./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f 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 ../sv-benchmarks/c/weaver/popl20-more-buffer-series.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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 12:34:51,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 12:34:51,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 12:34:51,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 12:34:51,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 12:34:51,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 12:34:51,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 12:34:51,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 12:34:51,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 12:34:51,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 12:34:51,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 12:34:51,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 12:34:51,944 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 12:34:51,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 12:34:51,944 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 12:34:51,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 12:34:51,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 12:34:51,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 12:34:51,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 12:34:51,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 12:34:51,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:34:51,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 12:34:51,946 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 12:34:51,947 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 -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2024-11-21 12:34:52,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 12:34:52,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 12:34:52,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 12:34:52,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 12:34:52,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 12:34:52,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2024-11-21 12:34:53,345 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d4f4dfa88/a9493378597546e891ac5303fa15259d/FLAG1efcc18dc [2024-11-21 12:34:53,525 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 12:34:53,527 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2024-11-21 12:34:53,535 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d4f4dfa88/a9493378597546e891ac5303fa15259d/FLAG1efcc18dc [2024-11-21 12:34:53,897 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d4f4dfa88/a9493378597546e891ac5303fa15259d [2024-11-21 12:34:53,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 12:34:53,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 12:34:53,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 12:34:53,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 12:34:53,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 12:34:53,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:34:53" (1/1) ... [2024-11-21 12:34:53,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0c719b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:53, skipping insertion in model container [2024-11-21 12:34:53,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:34:53" (1/1) ... [2024-11-21 12:34:53,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 12:34:54,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4403,4416] [2024-11-21 12:34:54,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:34:54,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 12:34:54,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4403,4416] [2024-11-21 12:34:54,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:34:54,088 INFO L204 MainTranslator]: Completed translation [2024-11-21 12:34:54,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54 WrapperNode [2024-11-21 12:34:54,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 12:34:54,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 12:34:54,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 12:34:54,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 12:34:54,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,118 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 333 [2024-11-21 12:34:54,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 12:34:54,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 12:34:54,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 12:34:54,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 12:34:54,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 12:34:54,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 12:34:54,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 12:34:54,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 12:34:54,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (1/1) ... [2024-11-21 12:34:54,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:34:54,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:34:54,176 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) [2024-11-21 12:34:54,183 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 [2024-11-21 12:34:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 12:34:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 12:34:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 12:34:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 12:34:54,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 12:34:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 12:34:54,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 12:34:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 12:34:54,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 12:34:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 12:34:54,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 12:34:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 12:34:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 12:34:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 12:34:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 12:34:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 12:34:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 12:34:54,202 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 12:34:54,305 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 12:34:54,308 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 12:34:54,713 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 12:34:54,713 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 12:34:54,963 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 12:34:54,964 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-21 12:34:54,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:34:54 BoogieIcfgContainer [2024-11-21 12:34:54,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 12:34:54,967 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 12:34:54,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 12:34:54,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 12:34:54,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:34:53" (1/3) ... [2024-11-21 12:34:54,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246029d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:34:54, skipping insertion in model container [2024-11-21 12:34:54,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:34:54" (2/3) ... [2024-11-21 12:34:54,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246029d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:34:54, skipping insertion in model container [2024-11-21 12:34:54,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:34:54" (3/3) ... [2024-11-21 12:34:54,972 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-11-21 12:34:54,982 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 12:34:54,983 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-series.wvr.c that has 5 procedures, 46 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-21 12:34:54,983 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 12:34:55,030 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 12:34:55,084 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:34:55,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 12:34:55,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:34:55,086 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) [2024-11-21 12:34:55,087 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 [2024-11-21 12:34:55,162 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 12:34:55,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 12:34:55,179 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;@77487ec5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:34:55,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 12:34:56,347 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)] === [2024-11-21 12:34:56,348 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:34:56,348 INFO L139 ounterexampleChecker]: Examining path program with hash 758875395, occurence #1 [2024-11-21 12:34:56,348 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:34:56,348 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:34:56,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:34:56,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1304764487, now seen corresponding path program 1 times [2024-11-21 12:34:56,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:34:56,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674080974] [2024-11-21 12:34:56,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:34:56,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:34:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:34:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:34:57,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:34:57,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674080974] [2024-11-21 12:34:57,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674080974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:34:57,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:34:57,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:34:57,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150892344] [2024-11-21 12:34:57,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:34:57,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:34:57,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:34:57,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:34:57,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:34:57,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:34:57,265 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:34:57,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:34:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:34:57,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:34:57,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 12:34:57,403 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)] === [2024-11-21 12:34:57,403 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:34:57,403 INFO L139 ounterexampleChecker]: Examining path program with hash 758875395, occurence #2 [2024-11-21 12:34:57,403 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:34:57,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:34:57,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:34:57,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:34:57,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:34:57,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 12:34:57,413 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:34:57,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 12:34:57,414 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:34:57,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:34:57,414 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:34:57,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 12:34:57,414 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:34:57,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-21 12:34:57,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:34:57,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:34:57,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:34:57,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1327686408, now seen corresponding path program 1 times [2024-11-21 12:34:57,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:34:57,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134633855] [2024-11-21 12:34:57,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:34:57,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:34:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:34:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:34:57,941 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:34:57,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134633855] [2024-11-21 12:34:57,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134633855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:34:57,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:34:57,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 12:34:57,942 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 65. Constructing proof automaton... [2024-11-21 12:34:57,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:34:57,943 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 12:34:57,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:34:57,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 12:34:57,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:34:57,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:34:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:34:57,947 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:34:57,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:34:57,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:34:57,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:34:58,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:34:58,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:34:58,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 12:34:58,065 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)] === [2024-11-21 12:34:58,065 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:34:58,065 INFO L139 ounterexampleChecker]: Examining path program with hash 758875395, occurence #3 [2024-11-21 12:34:58,065 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:34:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:34:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:34:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:34:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:34:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 12:34:58,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:34:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 12:34:58,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:34:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 12:34:58,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:34:58,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 12:34:58,066 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:34:58,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-21 12:34:58,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:34:58,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:34:58,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:34:58,303 INFO L85 PathProgramCache]: Analyzing trace with hash 298794351, now seen corresponding path program 1 times [2024-11-21 12:34:58,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:34:58,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95258176] [2024-11-21 12:34:58,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:34:58,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:34:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:34:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:34:58,540 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:34:58,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95258176] [2024-11-21 12:34:58,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95258176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:34:58,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [143144166] [2024-11-21 12:34:58,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:34:58,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:34:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:34:58,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:34:58,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:34:58,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:34:58,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [143144166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:34:58,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:34:58,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 12:34:58,693 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:34:58,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 12:34:58,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:34:58,763 INFO L85 PathProgramCache]: Analyzing trace with hash 910873216, now seen corresponding path program 1 times [2024-11-21 12:34:58,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:34:58,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16815758] [2024-11-21 12:34:58,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:34:58,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:34:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:34:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:34:59,044 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:34:59,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16815758] [2024-11-21 12:34:59,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16815758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:34:59,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [780360320] [2024-11-21 12:34:59,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:34:59,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:34:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:34:59,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:34:59,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:34:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:34:59,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [780360320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:34:59,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:34:59,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 12:34:59,201 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:34:59,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 12:34:59,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:34:59,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:01,098 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:01,098 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:01,098 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:01,098 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:01,098 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:01,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:01,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1383815975, now seen corresponding path program 1 times [2024-11-21 12:35:01,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:01,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730462518] [2024-11-21 12:35:01,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:01,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:01,335 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:01,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730462518] [2024-11-21 12:35:01,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730462518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:01,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1183706615] [2024-11-21 12:35:01,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:01,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:01,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:35:01,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:01,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1183706615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:01,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:01,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 12:35:01,465 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:01,466 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2024-11-21 12:35:01,466 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2024-11-21 12:35:01,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-21 12:35:01,466 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:01,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-21 12:35:01,466 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:01,466 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:01,466 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:01,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:01,468 INFO L85 PathProgramCache]: Analyzing trace with hash -956823877, now seen corresponding path program 1 times [2024-11-21 12:35:01,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:01,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432189340] [2024-11-21 12:35:01,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:01,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:01,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:01,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432189340] [2024-11-21 12:35:01,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432189340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:01,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429385590] [2024-11-21 12:35:01,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:01,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:01,953 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) [2024-11-21 12:35:01,954 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 [2024-11-21 12:35:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:02,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:35:02,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:02,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:35:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:02,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429385590] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:35:02,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:35:02,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-21 12:35:02,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041208201] [2024-11-21 12:35:02,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:35:02,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 12:35:02,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:02,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 12:35:02,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-21 12:35:02,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:02,358 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:02,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 13 states have internal predecessors, (115), 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) [2024-11-21 12:35:02,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:02,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:02,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:02,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:02,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:02,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:02,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 12:35:02,748 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 [2024-11-21 12:35:02,749 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)] === [2024-11-21 12:35:02,749 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:02,749 INFO L139 ounterexampleChecker]: Examining path program with hash 758875395, occurence #4 [2024-11-21 12:35:02,749 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:35:02,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:35:02,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:02,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 12:35:02,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:02,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 12:35:02,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:02,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:35:02,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:02,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 12:35:02,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:02,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 12:35:02,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:02,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-21 12:35:02,893 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:02,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:35:02,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:02,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1788877702, now seen corresponding path program 1 times [2024-11-21 12:35:02,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:02,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889315866] [2024-11-21 12:35:02,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:02,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:03,167 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:03,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889315866] [2024-11-21 12:35:03,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889315866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:03,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1401253222] [2024-11-21 12:35:03,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:03,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:03,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 12:35:03,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:03,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1401253222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:03,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:03,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 12:35:03,319 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:03,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 12:35:03,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:03,381 INFO L85 PathProgramCache]: Analyzing trace with hash -885486277, now seen corresponding path program 1 times [2024-11-21 12:35:03,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:03,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593911226] [2024-11-21 12:35:03,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:03,599 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:03,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593911226] [2024-11-21 12:35:03,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593911226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:03,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1667264685] [2024-11-21 12:35:03,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:03,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:03,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 12:35:03,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:03,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1667264685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:03,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:03,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 12:35:03,760 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:03,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 12:35:03,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:03,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:05,619 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:05,620 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:05,620 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:05,620 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:05,620 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:05,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:05,624 INFO L85 PathProgramCache]: Analyzing trace with hash -710046316, now seen corresponding path program 1 times [2024-11-21 12:35:05,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:05,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943833317] [2024-11-21 12:35:05,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:05,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:05,858 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:05,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943833317] [2024-11-21 12:35:05,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943833317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:05,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [225641244] [2024-11-21 12:35:05,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:05,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:05,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 12:35:05,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:35:06,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [225641244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:06,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:06,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 12:35:06,012 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:06,012 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2024-11-21 12:35:06,012 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2024-11-21 12:35:06,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-21 12:35:06,012 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:06,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-11-21 12:35:06,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:06,012 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:06,012 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:06,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:06,012 INFO L85 PathProgramCache]: Analyzing trace with hash 80138185, now seen corresponding path program 2 times [2024-11-21 12:35:06,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:06,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969192356] [2024-11-21 12:35:06,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:35:06,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:06,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969192356] [2024-11-21 12:35:06,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969192356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:06,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305393998] [2024-11-21 12:35:06,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:35:06,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:06,307 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) [2024-11-21 12:35:06,308 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 [2024-11-21 12:35:06,453 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 12:35:06,454 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:06,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:06,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 12:35:06,544 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:35:06,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305393998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:35:06,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:35:06,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-21 12:35:06,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917419881] [2024-11-21 12:35:06,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:35:06,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:35:06,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:06,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 12:35:06,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-21 12:35:06,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:06,546 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:06,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:35:06,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:06,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:06,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:06,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:06,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:06,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 12:35:06,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-21 12:35:06,909 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)] === [2024-11-21 12:35:06,909 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:06,910 INFO L139 ounterexampleChecker]: Examining path program with hash 1588076001, occurence #1 [2024-11-21 12:35:06,910 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:35:06,910 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:06,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:06,910 INFO L85 PathProgramCache]: Analyzing trace with hash 11704515, now seen corresponding path program 3 times [2024-11-21 12:35:06,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:06,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978370181] [2024-11-21 12:35:06,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:06,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-21 12:35:07,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:07,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978370181] [2024-11-21 12:35:07,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978370181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:07,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137161093] [2024-11-21 12:35:07,164 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:35:07,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:07,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:07,166 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) [2024-11-21 12:35:07,167 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 [2024-11-21 12:35:07,281 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-21 12:35:07,281 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:07,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 12:35:07,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-21 12:35:07,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:35:07,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137161093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:35:07,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:35:07,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-11-21 12:35:07,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752511170] [2024-11-21 12:35:07,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:35:07,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-21 12:35:07,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:07,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-21 12:35:07,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-21 12:35:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:07,512 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:07,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 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) [2024-11-21 12:35:07,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:07,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:07,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:07,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:07,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:08,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 12:35:08,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:08,563 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)] === [2024-11-21 12:35:08,563 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:08,563 INFO L139 ounterexampleChecker]: Examining path program with hash 1039582955, occurence #1 [2024-11-21 12:35:08,563 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:35:08,563 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:08,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:08,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1988027004, now seen corresponding path program 4 times [2024-11-21 12:35:08,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:08,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380494161] [2024-11-21 12:35:08,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:08,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-21 12:35:09,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:09,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380494161] [2024-11-21 12:35:09,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380494161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:09,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890003779] [2024-11-21 12:35:09,045 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:35:09,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:09,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:09,047 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) [2024-11-21 12:35:09,048 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 [2024-11-21 12:35:09,220 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:35:09,220 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:09,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 12:35:09,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 92 proven. 7 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-21 12:35:09,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:35:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 92 proven. 7 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-21 12:35:09,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890003779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:35:09,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:35:09,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-21 12:35:09,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339402386] [2024-11-21 12:35:09,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:35:09,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-21 12:35:09,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:09,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-21 12:35:09,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-21 12:35:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:09,592 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:09,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.31578947368421) internal successors, (158), 19 states have internal predecessors, (158), 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) [2024-11-21 12:35:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:10,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 12:35:10,204 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,SelfDestructingSolverStorable17 [2024-11-21 12:35:10,204 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)] === [2024-11-21 12:35:10,204 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:10,205 INFO L139 ounterexampleChecker]: Examining path program with hash 1039582955, occurence #2 [2024-11-21 12:35:10,205 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:35:10,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:35:10,205 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:10,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 12:35:10,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:10,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 12:35:10,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:10,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:35:10,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:10,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 12:35:10,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:10,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 12:35:10,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:10,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-21 12:35:10,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:10,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:13,289 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:13,290 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:13,290 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:13,290 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:13,290 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:13,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:13,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1162357185, now seen corresponding path program 1 times [2024-11-21 12:35:13,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:13,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969135704] [2024-11-21 12:35:13,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:13,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:35:13,438 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:13,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969135704] [2024-11-21 12:35:13,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969135704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:13,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1053777235] [2024-11-21 12:35:13,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:13,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:13,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:13,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:35:13,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1053777235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:13,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:13,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 12:35:13,624 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:13,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-11-21 12:35:13,739 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-21 12:35:13,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-11-21 12:35:13,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:13,795 INFO L85 PathProgramCache]: Analyzing trace with hash -145296182, now seen corresponding path program 1 times [2024-11-21 12:35:13,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:13,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403036405] [2024-11-21 12:35:13,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 124 proven. 58 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-21 12:35:14,169 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:14,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403036405] [2024-11-21 12:35:14,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403036405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:14,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1234127540] [2024-11-21 12:35:14,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:14,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:14,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:14,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-21 12:35:14,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1234127540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:14,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:14,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-11-21 12:35:14,439 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:14,439 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 176 is hopeless, skipping. [2024-11-21 12:35:14,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 12:35:14,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:14,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 12:35:14,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:14,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2061381888, now seen corresponding path program 1 times [2024-11-21 12:35:14,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:14,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778428756] [2024-11-21 12:35:14,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:14,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 124 proven. 58 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 12:35:14,877 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:14,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778428756] [2024-11-21 12:35:14,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778428756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:14,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [825666386] [2024-11-21 12:35:14,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:14,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:14,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:14,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-21 12:35:15,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [825666386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:15,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:15,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-11-21 12:35:15,158 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:15,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 12:35:15,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:15,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 12:35:15,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:15,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 12:35:15,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:15,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 12:35:15,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:15,159 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:15,159 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:15,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:15,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1774713858, now seen corresponding path program 5 times [2024-11-21 12:35:15,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:15,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038058495] [2024-11-21 12:35:15,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-21 12:35:15,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:15,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038058495] [2024-11-21 12:35:15,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038058495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:15,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017048792] [2024-11-21 12:35:15,620 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:35:15,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:15,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:15,621 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) [2024-11-21 12:35:15,622 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 [2024-11-21 12:35:15,843 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 12:35:15,843 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:15,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 12:35:15,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 182 proven. 48 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 12:35:16,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:35:16,829 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 188 proven. 42 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 12:35:16,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017048792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:35:16,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:35:16,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 35 [2024-11-21 12:35:16,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348164288] [2024-11-21 12:35:16,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:35:16,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 12:35:16,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:16,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 12:35:16,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=905, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 12:35:16,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:16,831 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:16,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.694444444444445) internal successors, (313), 35 states have internal predecessors, (313), 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) [2024-11-21 12:35:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:17,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:17,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 12:35:17,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-11-21 12:35:17,367 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)] === [2024-11-21 12:35:17,367 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:17,367 INFO L139 ounterexampleChecker]: Examining path program with hash 1039582955, occurence #3 [2024-11-21 12:35:17,367 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:35:17,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:35:17,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:17,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 12:35:17,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:17,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 12:35:17,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:17,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 12:35:17,368 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:17,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 12:35:17,368 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:17,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 12:35:17,368 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:17,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 12:35:17,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:17,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:19,297 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:19,297 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:19,297 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:19,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:19,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1370073596, now seen corresponding path program 1 times [2024-11-21 12:35:19,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:19,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508243096] [2024-11-21 12:35:19,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:19,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-21 12:35:19,425 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:19,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508243096] [2024-11-21 12:35:19,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508243096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:19,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [557874961] [2024-11-21 12:35:19,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:19,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:19,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:19,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-21 12:35:19,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [557874961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:19,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:19,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 12:35:19,566 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:19,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-11-21 12:35:19,664 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-21 12:35:19,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-11-21 12:35:19,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:19,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1068980357, now seen corresponding path program 1 times [2024-11-21 12:35:19,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:19,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751616425] [2024-11-21 12:35:19,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:19,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-21 12:35:20,013 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:20,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751616425] [2024-11-21 12:35:20,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751616425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:20,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1452491848] [2024-11-21 12:35:20,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:20,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:20,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:20,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-21 12:35:20,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1452491848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:20,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:20,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 12:35:20,266 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:20,266 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 181 is hopeless, skipping. [2024-11-21 12:35:20,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-11-21 12:35:20,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:20,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 12:35:20,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:20,316 INFO L85 PathProgramCache]: Analyzing trace with hash 988544023, now seen corresponding path program 1 times [2024-11-21 12:35:20,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:20,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067489990] [2024-11-21 12:35:20,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:20,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:20,675 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-21 12:35:20,675 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:20,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067489990] [2024-11-21 12:35:20,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067489990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:20,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1221486728] [2024-11-21 12:35:20,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:20,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:20,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:20,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-21 12:35:20,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1221486728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:20,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:20,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 12:35:20,904 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:20,904 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-21 12:35:20,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:20,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-21 12:35:20,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:20,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-21 12:35:20,905 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:20,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-21 12:35:20,905 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:20,905 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:20,905 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:20,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:20,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1478858868, now seen corresponding path program 6 times [2024-11-21 12:35:20,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:20,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829126012] [2024-11-21 12:35:20,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:20,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:21,691 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 16 proven. 122 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-21 12:35:21,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:21,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829126012] [2024-11-21 12:35:21,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829126012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:21,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977831535] [2024-11-21 12:35:21,692 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 12:35:21,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:21,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:21,693 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) [2024-11-21 12:35:21,694 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 [2024-11-21 12:35:21,830 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-21 12:35:21,831 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:21,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 12:35:21,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 12:35:21,961 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:35:21,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977831535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:35:21,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:35:21,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-11-21 12:35:21,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418609784] [2024-11-21 12:35:21,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:35:21,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 12:35:21,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:21,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 12:35:21,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2024-11-21 12:35:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:21,962 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:21,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 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) [2024-11-21 12:35:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:21,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:21,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:21,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:21,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:22,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 12:35:22,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable25,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-11-21 12:35:22,258 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)] === [2024-11-21 12:35:22,258 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:22,258 INFO L139 ounterexampleChecker]: Examining path program with hash 1039582955, occurence #4 [2024-11-21 12:35:22,258 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:35:22,258 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:35:22,258 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:22,258 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 12:35:22,258 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:22,258 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 12:35:22,259 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:22,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 12:35:22,259 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:22,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 12:35:22,259 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:22,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 12:35:22,259 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:22,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-21 12:35:22,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:22,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:24,943 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:24,943 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:24,943 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:24,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:24,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1614071285, now seen corresponding path program 1 times [2024-11-21 12:35:24,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:24,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475502687] [2024-11-21 12:35:24,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:24,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:25,082 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-21 12:35:25,082 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:25,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475502687] [2024-11-21 12:35:25,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475502687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:25,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [574794133] [2024-11-21 12:35:25,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:25,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:25,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:25,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-21 12:35:25,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [574794133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:25,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:25,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 12:35:25,217 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:25,217 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-11-21 12:35:25,318 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-21 12:35:25,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-11-21 12:35:25,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash -2047346562, now seen corresponding path program 1 times [2024-11-21 12:35:25,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:25,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917910866] [2024-11-21 12:35:25,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-21 12:35:25,649 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:25,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917910866] [2024-11-21 12:35:25,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917910866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:25,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1706066181] [2024-11-21 12:35:25,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:25,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:25,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-21 12:35:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1706066181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:25,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 12:35:25,876 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:25,876 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 182 is hopeless, skipping. [2024-11-21 12:35:25,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2024-11-21 12:35:25,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:25,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-21 12:35:25,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:25,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2022307376, now seen corresponding path program 1 times [2024-11-21 12:35:25,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:25,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969982997] [2024-11-21 12:35:25,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:25,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-21 12:35:26,221 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:26,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969982997] [2024-11-21 12:35:26,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969982997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:26,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1209456338] [2024-11-21 12:35:26,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:26,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:26,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:26,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-21 12:35:26,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1209456338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:26,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:26,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 12:35:26,446 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:26,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 12:35:26,446 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:26,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 12:35:26,446 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:26,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-21 12:35:26,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:26,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-11-21 12:35:26,446 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:26,446 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:26,446 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:26,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:26,446 INFO L85 PathProgramCache]: Analyzing trace with hash -699138660, now seen corresponding path program 1 times [2024-11-21 12:35:26,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:26,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455146082] [2024-11-21 12:35:26,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 16 proven. 122 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 12:35:27,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:27,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455146082] [2024-11-21 12:35:27,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455146082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:27,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110275536] [2024-11-21 12:35:27,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:27,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:27,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:27,110 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) [2024-11-21 12:35:27,111 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 [2024-11-21 12:35:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:27,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:27,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 12:35:27,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:35:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 124 proven. 29 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 12:35:27,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110275536] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:35:27,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:35:27,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 31 [2024-11-21 12:35:27,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413820242] [2024-11-21 12:35:27,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:35:27,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-21 12:35:27,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:27,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-21 12:35:27,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-11-21 12:35:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:27,559 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:27,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.32258064516129) internal successors, (227), 31 states have internal predecessors, (227), 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) [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:27,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:27,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 12:35:27,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:27,980 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)] === [2024-11-21 12:35:27,980 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:27,980 INFO L139 ounterexampleChecker]: Examining path program with hash 1039582955, occurence #5 [2024-11-21 12:35:27,980 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:35:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:35:27,980 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 12:35:27,980 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 12:35:27,980 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 12:35:27,980 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 12:35:27,980 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 12:35:27,980 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 12:35:28,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:28,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:29,731 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:29,732 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:29,732 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:29,732 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:29,732 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:29,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:29,732 INFO L85 PathProgramCache]: Analyzing trace with hash 794913596, now seen corresponding path program 1 times [2024-11-21 12:35:29,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:29,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471228602] [2024-11-21 12:35:29,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:29,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-21 12:35:30,027 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:30,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471228602] [2024-11-21 12:35:30,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471228602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:30,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [542015871] [2024-11-21 12:35:30,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:30,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:30,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 12:35:30,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:30,380 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-21 12:35:30,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [542015871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:30,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:30,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 18 [2024-11-21 12:35:30,381 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:30,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-21 12:35:30,494 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-21 12:35:30,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-11-21 12:35:30,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:30,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1590895035, now seen corresponding path program 1 times [2024-11-21 12:35:30,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:30,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50178777] [2024-11-21 12:35:30,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:30,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 110 proven. 159 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:35:31,219 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:31,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50178777] [2024-11-21 12:35:31,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50178777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:31,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [850756887] [2024-11-21 12:35:31,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:31,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:31,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 12:35:31,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 162 proven. 107 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:35:31,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [850756887] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:31,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:31,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 12:35:31,872 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:31,872 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 184 is hopeless, skipping. [2024-11-21 12:35:31,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 12:35:31,872 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:31,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 12:35:31,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:31,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1212806213, now seen corresponding path program 1 times [2024-11-21 12:35:31,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:31,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388837795] [2024-11-21 12:35:31,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:31,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 31 proven. 173 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 12:35:32,604 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:32,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388837795] [2024-11-21 12:35:32,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388837795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:32,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [102627058] [2024-11-21 12:35:32,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:32,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:32,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 12:35:32,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 157 proven. 47 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 12:35:33,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [102627058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:33,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:33,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 12:35:33,301 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:33,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 12:35:33,302 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:33,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-21 12:35:33,302 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:33,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 12:35:33,302 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:33,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-11-21 12:35:33,302 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:33,302 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:33,302 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:33,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:33,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1928694114, now seen corresponding path program 2 times [2024-11-21 12:35:33,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:33,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562434022] [2024-11-21 12:35:33,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:33,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 27 proven. 167 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 12:35:34,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:34,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562434022] [2024-11-21 12:35:34,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562434022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:34,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094118967] [2024-11-21 12:35:34,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:35:34,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:34,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:34,122 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) [2024-11-21 12:35:34,123 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 [2024-11-21 12:35:34,322 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 12:35:34,323 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:34,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 12:35:34,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 164 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-21 12:35:34,535 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:35:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 26 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-21 12:35:34,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094118967] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:35:34,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:35:34,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 10] total 37 [2024-11-21 12:35:34,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614644856] [2024-11-21 12:35:34,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:35:34,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 12:35:34,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:34,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 12:35:34,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1143, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 12:35:34,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:34,753 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:34,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.243243243243243) internal successors, (268), 37 states have internal predecessors, (268), 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) [2024-11-21 12:35:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:35:34,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-21 12:35:35,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-21 12:35:35,107 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)] === [2024-11-21 12:35:35,107 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:35,107 INFO L139 ounterexampleChecker]: Examining path program with hash 1039582955, occurence #6 [2024-11-21 12:35:35,107 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:35:35,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:35:35,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:35,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:35:35,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:35,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 12:35:35,108 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:35,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 12:35:35,108 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:35,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 12:35:35,108 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:35,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 12:35:35,108 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:35,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 12:35:35,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:35,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:40,346 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:40,346 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:40,346 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:40,346 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:40,346 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:40,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:40,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1533287865, now seen corresponding path program 1 times [2024-11-21 12:35:40,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:40,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845507246] [2024-11-21 12:35:40,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:40,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 12:35:40,609 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:40,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845507246] [2024-11-21 12:35:40,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845507246] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:40,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [486782261] [2024-11-21 12:35:40,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:40,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:40,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:40,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-21 12:35:40,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [486782261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:40,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:40,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 16 [2024-11-21 12:35:40,754 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:40,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-21 12:35:40,852 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-21 12:35:40,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-11-21 12:35:40,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:40,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1162216656, now seen corresponding path program 1 times [2024-11-21 12:35:40,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:40,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779372711] [2024-11-21 12:35:40,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:40,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 3 proven. 149 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-21 12:35:41,295 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:41,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779372711] [2024-11-21 12:35:41,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779372711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:41,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1670777905] [2024-11-21 12:35:41,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:41,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 12:35:41,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:41,693 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 126 proven. 26 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-21 12:35:41,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1670777905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:41,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:41,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-21 12:35:41,693 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:41,694 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 186 is hopeless, skipping. [2024-11-21 12:35:41,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 12:35:41,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:41,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 12:35:41,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:41,751 INFO L85 PathProgramCache]: Analyzing trace with hash 687735298, now seen corresponding path program 1 times [2024-11-21 12:35:41,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:41,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361731809] [2024-11-21 12:35:41,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:41,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 67 proven. 185 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-21 12:35:42,473 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:42,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361731809] [2024-11-21 12:35:42,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361731809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:42,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1333382106] [2024-11-21 12:35:42,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:42,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:42,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 12:35:42,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 196 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-21 12:35:43,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1333382106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:43,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:43,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 12:35:43,089 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:43,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 12:35:43,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:43,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 12:35:43,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:43,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-11-21 12:35:43,089 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:43,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-11-21 12:35:43,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:43,090 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:43,090 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:43,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:43,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1673828700, now seen corresponding path program 3 times [2024-11-21 12:35:43,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:43,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437024144] [2024-11-21 12:35:43,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:43,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 27 proven. 178 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 12:35:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:43,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437024144] [2024-11-21 12:35:43,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437024144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:43,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929777022] [2024-11-21 12:35:43,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:35:43,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:43,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:43,968 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) [2024-11-21 12:35:43,969 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 [2024-11-21 12:35:44,131 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 12:35:44,131 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:44,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 12:35:44,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 44 proven. 27 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-21 12:35:44,423 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:35:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-21 12:35:44,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929777022] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:44,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:44,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [23, 10] total 37 [2024-11-21 12:35:44,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106729206] [2024-11-21 12:35:44,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:35:44,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 12:35:44,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:44,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 12:35:44,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1161, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 12:35:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:44,530 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:44,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:35:44,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:44,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:35:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:44,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 12:35:45,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-11-21 12:35:45,135 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)] === [2024-11-21 12:35:45,135 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:45,135 INFO L139 ounterexampleChecker]: Examining path program with hash 1254920724, occurence #1 [2024-11-21 12:35:45,135 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:35:45,135 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:45,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:45,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1239854581, now seen corresponding path program 4 times [2024-11-21 12:35:45,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:45,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983172847] [2024-11-21 12:35:45,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:45,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 38 proven. 115 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-21 12:35:45,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:45,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983172847] [2024-11-21 12:35:45,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983172847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:45,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32553348] [2024-11-21 12:35:45,553 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:35:45,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:45,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:45,555 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) [2024-11-21 12:35:45,555 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 [2024-11-21 12:35:45,753 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:35:45,753 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:45,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-21 12:35:45,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 158 proven. 42 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-21 12:35:46,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:35:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 167 proven. 33 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-21 12:35:46,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32553348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:35:46,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:35:46,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2024-11-21 12:35:46,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558501942] [2024-11-21 12:35:46,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:35:46,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 12:35:46,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:46,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 12:35:46,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=948, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 12:35:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:46,353 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:46,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.944444444444445) internal successors, (286), 36 states have internal predecessors, (286), 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) [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:35:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:46,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:35:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:46,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 12:35:47,003 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,SelfDestructingSolverStorable53 [2024-11-21 12:35:47,003 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)] === [2024-11-21 12:35:47,003 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:47,004 INFO L139 ounterexampleChecker]: Examining path program with hash 1254920724, occurence #2 [2024-11-21 12:35:47,004 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:35:47,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:35:47,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:47,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:35:47,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:47,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 12:35:47,004 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:47,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 12:35:47,004 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:47,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 12:35:47,004 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:47,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 12:35:47,004 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:47,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 12:35:47,197 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:47,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:50,706 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:50,706 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:50,706 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:50,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash -840519646, now seen corresponding path program 1 times [2024-11-21 12:35:50,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:50,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916606907] [2024-11-21 12:35:50,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:50,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-21 12:35:50,981 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:50,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916606907] [2024-11-21 12:35:50,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916606907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:50,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1125934448] [2024-11-21 12:35:50,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:50,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:51,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:35:51,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 12:35:51,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1125934448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:51,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:51,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2024-11-21 12:35:51,117 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:51,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 12:35:51,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:51,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1354617623, now seen corresponding path program 1 times [2024-11-21 12:35:51,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:51,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046289071] [2024-11-21 12:35:51,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:51,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 38 proven. 120 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-21 12:35:51,605 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:51,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046289071] [2024-11-21 12:35:51,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046289071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:51,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [991269382] [2024-11-21 12:35:51,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:51,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:51,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 12:35:51,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 137 proven. 21 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-21 12:35:51,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [991269382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:51,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:51,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-11-21 12:35:51,916 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:51,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 12:35:51,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:51,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-21 12:35:51,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:51,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-21 12:35:51,916 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:51,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 12:35:51,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:51,916 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:51,916 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:51,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:51,917 INFO L85 PathProgramCache]: Analyzing trace with hash -953077157, now seen corresponding path program 5 times [2024-11-21 12:35:51,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:51,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436813996] [2024-11-21 12:35:51,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:51,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 38 proven. 120 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-21 12:35:52,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:52,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436813996] [2024-11-21 12:35:52,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436813996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:52,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50356737] [2024-11-21 12:35:52,358 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:35:52,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:52,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:52,360 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) [2024-11-21 12:35:52,361 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 [2024-11-21 12:35:52,903 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 12:35:52,903 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:52,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 12:35:52,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 170 proven. 69 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 12:35:53,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:35:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 12:35:53,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50356737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:35:53,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:35:53,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 18] total 47 [2024-11-21 12:35:53,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62846471] [2024-11-21 12:35:53,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:35:53,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-21 12:35:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:35:53,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-21 12:35:53,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=1573, Unknown=0, NotChecked=0, Total=2162 [2024-11-21 12:35:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:53,822 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:35:53,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 8.127659574468085) internal successors, (382), 47 states have internal predecessors, (382), 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) [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:35:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:35:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:35:54,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 12:35:54,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58 [2024-11-21 12:35:54,576 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)] === [2024-11-21 12:35:54,576 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:35:54,576 INFO L139 ounterexampleChecker]: Examining path program with hash 1254920724, occurence #3 [2024-11-21 12:35:54,576 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:35:54,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:35:54,576 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:54,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:35:54,576 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:54,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 12:35:54,576 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:54,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 12:35:54,576 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:54,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 12:35:54,576 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:54,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 12:35:54,576 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:54,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 12:35:54,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:35:54,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:35:57,132 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:57,133 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:57,133 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:57,133 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:57,133 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:35:57,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:57,133 INFO L85 PathProgramCache]: Analyzing trace with hash -830061520, now seen corresponding path program 1 times [2024-11-21 12:35:57,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:57,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73441141] [2024-11-21 12:35:57,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:57,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 12:35:57,334 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:57,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73441141] [2024-11-21 12:35:57,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73441141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:57,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1701131394] [2024-11-21 12:35:57,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:57,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:57,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 12:35:57,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 14 proven. 21 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 12:35:57,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1701131394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:57,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:57,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 18 [2024-11-21 12:35:57,600 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:57,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 12:35:57,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:57,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1988486921, now seen corresponding path program 1 times [2024-11-21 12:35:57,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:35:57,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226935821] [2024-11-21 12:35:57,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:57,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 89 proven. 180 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-21 12:35:58,244 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:35:58,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226935821] [2024-11-21 12:35:58,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226935821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:58,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1870327983] [2024-11-21 12:35:58,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:58,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:58,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 12:35:58,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 150 proven. 119 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-21 12:35:58,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1870327983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:58,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:35:58,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2024-11-21 12:35:58,791 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:35:58,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-21 12:35:58,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:58,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 12:35:58,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:58,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 12:35:58,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:35:58,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 12:35:58,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:35:58,791 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:35:58,791 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:35:58,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:35:58,792 INFO L85 PathProgramCache]: Analyzing trace with hash 868621915, now seen corresponding path program 6 times [2024-11-21 12:35:58,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:35:58,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184654445] [2024-11-21 12:35:58,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:35:58,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:35:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:35:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 89 proven. 180 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 12:35:59,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:35:59,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184654445] [2024-11-21 12:35:59,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184654445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:35:59,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801425657] [2024-11-21 12:35:59,535 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 12:35:59,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:35:59,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:35:59,537 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) [2024-11-21 12:35:59,537 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 [2024-11-21 12:35:59,790 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-21 12:35:59,790 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:35:59,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 12:35:59,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:35:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 89 proven. 6 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-21 12:35:59,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:36:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 85 proven. 26 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-21 12:36:00,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801425657] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:36:00,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:36:00,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 7, 8] total 34 [2024-11-21 12:36:00,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318366100] [2024-11-21 12:36:00,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:36:00,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 12:36:00,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:36:00,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 12:36:00,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=973, Unknown=0, NotChecked=0, Total=1122 [2024-11-21 12:36:00,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:00,095 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:36:00,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.764705882352941) internal successors, (264), 34 states have internal predecessors, (264), 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) [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:00,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:00,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 12:36:00,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-21 12:36:00,835 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)] === [2024-11-21 12:36:00,835 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:36:00,835 INFO L139 ounterexampleChecker]: Examining path program with hash 1254920724, occurence #4 [2024-11-21 12:36:00,835 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:36:00,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:36:00,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:00,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:36:00,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:00,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 12:36:00,836 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:00,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 12:36:00,836 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:00,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 12:36:00,836 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:00,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 12:36:00,836 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:00,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 12:36:01,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:36:01,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:36:13,715 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:13,715 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:13,715 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:13,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:13,716 INFO L85 PathProgramCache]: Analyzing trace with hash -999214564, now seen corresponding path program 1 times [2024-11-21 12:36:13,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:36:13,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57906455] [2024-11-21 12:36:13,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-21 12:36:13,997 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:36:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57906455] [2024-11-21 12:36:13,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57906455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1239860402] [2024-11-21 12:36:13,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:14,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 12:36:14,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-21 12:36:14,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1239860402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:14,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:36:14,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-21 12:36:14,328 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:36:14,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-21 12:36:14,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:14,381 INFO L85 PathProgramCache]: Analyzing trace with hash 345005859, now seen corresponding path program 1 times [2024-11-21 12:36:14,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:36:14,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364402796] [2024-11-21 12:36:14,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:14,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 172 proven. 107 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 12:36:15,062 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:36:15,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364402796] [2024-11-21 12:36:15,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364402796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:15,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1337750857] [2024-11-21 12:36:15,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:15,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:15,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 12:36:15,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 224 proven. 55 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 12:36:15,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1337750857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:15,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:36:15,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 12:36:15,770 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:36:15,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-21 12:36:15,770 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:15,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 12:36:15,770 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:15,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-21 12:36:15,770 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:15,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-21 12:36:15,770 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:15,770 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:36:15,770 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:36:15,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:15,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1318904709, now seen corresponding path program 7 times [2024-11-21 12:36:15,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:36:15,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140771729] [2024-11-21 12:36:15,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 67 proven. 186 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-21 12:36:16,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:36:16,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140771729] [2024-11-21 12:36:16,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140771729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:16,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085072716] [2024-11-21 12:36:16,491 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 12:36:16,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:36:16,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:36:16,493 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) [2024-11-21 12:36:16,509 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 [2024-11-21 12:36:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:16,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 12:36:16,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 225 proven. 55 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 12:36:17,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:36:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 213 proven. 67 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 12:36:18,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085072716] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:36:18,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:36:18,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 65 [2024-11-21 12:36:18,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598488456] [2024-11-21 12:36:18,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:36:18,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-11-21 12:36:18,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:36:18,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-11-21 12:36:18,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=810, Invalid=3480, Unknown=0, NotChecked=0, Total=4290 [2024-11-21 12:36:18,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:18,011 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:36:18,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.575757575757576) internal successors, (434), 65 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:18,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:36:18,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 12:36:18,356 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,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68 [2024-11-21 12:36:18,357 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)] === [2024-11-21 12:36:18,357 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:36:18,357 INFO L139 ounterexampleChecker]: Examining path program with hash 1254920724, occurence #5 [2024-11-21 12:36:18,357 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:36:18,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:36:18,357 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:18,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 12:36:18,357 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:18,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 12:36:18,357 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:18,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 12:36:18,357 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:18,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 12:36:18,357 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:18,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 12:36:18,357 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:18,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 12:36:18,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:36:18,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:36:19,979 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:19,979 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:19,979 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:19,979 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:19,979 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:19,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:19,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1587191888, now seen corresponding path program 1 times [2024-11-21 12:36:19,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:36:19,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413883687] [2024-11-21 12:36:19,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:19,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 12:36:20,392 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:36:20,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413883687] [2024-11-21 12:36:20,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413883687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:20,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2026501725] [2024-11-21 12:36:20,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:20,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:20,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 12:36:20,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 12:36:20,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2026501725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:20,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:36:20,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 20 [2024-11-21 12:36:20,615 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:36:20,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 12:36:20,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:20,669 INFO L85 PathProgramCache]: Analyzing trace with hash 788514523, now seen corresponding path program 1 times [2024-11-21 12:36:20,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:36:20,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886632982] [2024-11-21 12:36:20,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:20,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 207 proven. 20 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 12:36:21,105 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:36:21,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886632982] [2024-11-21 12:36:21,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886632982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:21,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [126791998] [2024-11-21 12:36:21,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:21,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:21,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 12:36:21,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 224 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 12:36:21,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [126791998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:21,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:36:21,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 30 [2024-11-21 12:36:21,548 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:36:21,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 12:36:21,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:21,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 12:36:21,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:21,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 12:36:21,548 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:21,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 12:36:21,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:21,548 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:36:21,548 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:36:21,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:21,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1004452781, now seen corresponding path program 8 times [2024-11-21 12:36:21,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:36:21,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681541388] [2024-11-21 12:36:21,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:21,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 116 proven. 172 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-21 12:36:22,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:36:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681541388] [2024-11-21 12:36:22,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681541388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979402365] [2024-11-21 12:36:22,323 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:36:22,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:36:22,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:36:22,325 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) [2024-11-21 12:36:22,326 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 [2024-11-21 12:36:22,591 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 12:36:22,591 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:36:22,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 12:36:22,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 184 proven. 43 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 12:36:23,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:36:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 184 proven. 43 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 12:36:23,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979402365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:36:23,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:36:23,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 17, 18] total 58 [2024-11-21 12:36:23,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612541721] [2024-11-21 12:36:23,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:36:23,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-21 12:36:23,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:36:23,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-21 12:36:23,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=513, Invalid=2909, Unknown=0, NotChecked=0, Total=3422 [2024-11-21 12:36:23,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:23,490 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:36:23,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 7.830508474576271) internal successors, (462), 58 states have internal predecessors, (462), 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) [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:36:23,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:24,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:24,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:24,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:24,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:24,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:36:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:24,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-21 12:36:24,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-21 12:36:24,279 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)] === [2024-11-21 12:36:24,279 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:36:24,279 INFO L139 ounterexampleChecker]: Examining path program with hash 1254920724, occurence #6 [2024-11-21 12:36:24,279 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:36:24,279 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:36:24,279 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:24,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:36:24,280 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:24,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 12:36:24,280 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:24,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 12:36:24,280 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:24,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 12:36:24,280 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:24,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 12:36:24,280 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:24,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-11-21 12:36:24,482 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:36:24,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:36:33,230 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:33,230 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:33,230 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:36:33,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:33,231 INFO L85 PathProgramCache]: Analyzing trace with hash -157442062, now seen corresponding path program 1 times [2024-11-21 12:36:33,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:36:33,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119307705] [2024-11-21 12:36:33,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:33,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:36:33,664 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:36:33,664 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:36:33,664 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 12:36:33,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:33,731 INFO L85 PathProgramCache]: Analyzing trace with hash 173873529, now seen corresponding path program 1 times [2024-11-21 12:36:33,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:36:33,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372345330] [2024-11-21 12:36:33,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:33,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 207 proven. 38 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-21 12:36:34,341 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:36:34,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372345330] [2024-11-21 12:36:34,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372345330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:34,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1159059571] [2024-11-21 12:36:34,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:34,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:34,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 12:36:34,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 224 proven. 21 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-21 12:36:34,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1159059571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:34,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:36:34,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 38 [2024-11-21 12:36:34,926 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:36:34,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-21 12:36:34,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:34,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-21 12:36:34,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:34,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-21 12:36:34,926 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:36:34,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-21 12:36:34,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:36:34,926 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:36:34,926 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:36:34,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:34,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2117220677, now seen corresponding path program 9 times [2024-11-21 12:36:34,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:36:34,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231630738] [2024-11-21 12:36:34,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:34,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 178 proven. 132 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-21 12:36:35,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:36:35,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231630738] [2024-11-21 12:36:35,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231630738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:35,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172814566] [2024-11-21 12:36:35,848 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:36:35,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:36:35,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:36:35,849 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) [2024-11-21 12:36:35,850 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 [2024-11-21 12:36:36,094 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 12:36:36,094 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:36:36,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 12:36:36,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-11-21 12:36:36,423 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:36:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-21 12:36:36,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172814566] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:36:36,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:36:36,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 12, 6] total 43 [2024-11-21 12:36:36,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803602824] [2024-11-21 12:36:36,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:36:36,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-21 12:36:36,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:36:36,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-21 12:36:36,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1572, Unknown=0, NotChecked=0, Total=1806 [2024-11-21 12:36:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:36,510 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:36:36,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.813953488372093) internal successors, (293), 43 states have internal predecessors, (293), 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) [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:36:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:36:38,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 12:36:38,540 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,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77 [2024-11-21 12:36:38,540 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)] === [2024-11-21 12:36:38,540 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:36:38,540 INFO L139 ounterexampleChecker]: Examining path program with hash 280767691, occurence #1 [2024-11-21 12:36:38,540 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:36:38,540 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:36:38,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:38,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1413463485, now seen corresponding path program 10 times [2024-11-21 12:36:38,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:36:38,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73789946] [2024-11-21 12:36:38,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:38,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 13 proven. 78 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-21 12:36:38,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:36:38,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73789946] [2024-11-21 12:36:38,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73789946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:38,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658991310] [2024-11-21 12:36:38,971 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:36:38,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:36:38,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:36:38,972 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) [2024-11-21 12:36:38,973 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 [2024-11-21 12:36:39,243 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:36:39,244 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:36:39,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 12:36:39,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:36:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 13 proven. 78 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-21 12:36:39,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:36:39,778 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 9 proven. 130 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-21 12:36:39,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658991310] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:36:39,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:36:39,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 20] total 23 [2024-11-21 12:36:39,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130002897] [2024-11-21 12:36:39,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:36:39,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-21 12:36:39,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:36:39,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-21 12:36:39,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=324, Unknown=0, NotChecked=0, Total=552 [2024-11-21 12:36:39,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:39,779 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:36:39,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.541666666666666) internal successors, (205), 23 states have internal predecessors, (205), 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) [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:36:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:36:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:36:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:36:40,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 12:36:40,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:36:40,509 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)] === [2024-11-21 12:36:40,509 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:36:40,509 INFO L139 ounterexampleChecker]: Examining path program with hash -1303545868, occurence #1 [2024-11-21 12:36:40,509 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:36:40,509 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:36:40,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:36:40,510 INFO L85 PathProgramCache]: Analyzing trace with hash -2034456421, now seen corresponding path program 11 times [2024-11-21 12:36:40,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:36:40,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808779864] [2024-11-21 12:36:40,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:36:40,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:36:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:36:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 129 proven. 34 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-21 12:36:41,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:36:41,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808779864] [2024-11-21 12:36:41,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808779864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:36:41,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149786737] [2024-11-21 12:36:41,171 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:36:41,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:36:41,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:36:41,173 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) [2024-11-21 12:36:41,174 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 [2024-11-21 12:37:24,497 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-21 12:37:24,498 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:37:24,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 12:37:24,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:37:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-21 12:37:24,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:37:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 6 proven. 47 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-21 12:37:24,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149786737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:37:24,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:37:24,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 5, 7] total 29 [2024-11-21 12:37:24,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692607436] [2024-11-21 12:37:24,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:37:24,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-21 12:37:24,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:37:24,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-21 12:37:24,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=718, Unknown=0, NotChecked=0, Total=870 [2024-11-21 12:37:24,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:37:24,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:37:24,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.966666666666667) internal successors, (239), 29 states have internal predecessors, (239), 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) [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:37:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:37:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:24,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:37:27,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 12:37:27,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-21 12:37:27,727 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)] === [2024-11-21 12:37:27,727 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:37:27,727 INFO L139 ounterexampleChecker]: Examining path program with hash -1693364549, occurence #1 [2024-11-21 12:37:27,727 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:37:27,727 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:37:27,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:37:27,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1135882347, now seen corresponding path program 12 times [2024-11-21 12:37:27,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:37:27,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99824346] [2024-11-21 12:37:27,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:27,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 201 proven. 495 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-21 12:37:29,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:37:29,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99824346] [2024-11-21 12:37:29,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99824346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:37:29,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934582265] [2024-11-21 12:37:29,569 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 12:37:29,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:37:29,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:37:29,570 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) [2024-11-21 12:37:29,571 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 [2024-11-21 12:37:29,868 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 12:37:29,868 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:37:29,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:37:29,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:37:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-11-21 12:37:29,988 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:37:30,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-11-21 12:37:30,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934582265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:37:30,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:37:30,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 7, 5] total 38 [2024-11-21 12:37:30,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132043632] [2024-11-21 12:37:30,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:37:30,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-21 12:37:30,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:37:30,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-21 12:37:30,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1157, Unknown=0, NotChecked=0, Total=1406 [2024-11-21 12:37:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:37:30,054 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:37:30,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.368421052631579) internal successors, (280), 38 states have internal predecessors, (280), 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) [2024-11-21 12:37:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:37:30,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:37:32,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:37:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:37:32,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-21 12:37:32,272 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,SelfDestructingSolverStorable80 [2024-11-21 12:37:32,272 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)] === [2024-11-21 12:37:32,273 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:37:32,273 INFO L139 ounterexampleChecker]: Examining path program with hash -623207883, occurence #1 [2024-11-21 12:37:32,273 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:37:32,273 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:37:32,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:37:32,273 INFO L85 PathProgramCache]: Analyzing trace with hash 178529483, now seen corresponding path program 13 times [2024-11-21 12:37:32,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:37:32,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437428883] [2024-11-21 12:37:32,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:32,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 124 proven. 502 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-21 12:37:34,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:37:34,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437428883] [2024-11-21 12:37:34,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437428883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:37:34,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517578264] [2024-11-21 12:37:34,279 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 12:37:34,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:37:34,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:37:34,281 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) [2024-11-21 12:37:34,281 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 [2024-11-21 12:37:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:34,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 12:37:34,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:37:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 527 proven. 55 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-21 12:37:35,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:37:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 446 proven. 136 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-21 12:37:36,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517578264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:37:36,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:37:36,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 24, 24] total 75 [2024-11-21 12:37:36,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463251118] [2024-11-21 12:37:36,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:37:36,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-11-21 12:37:36,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:37:36,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-11-21 12:37:36,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=762, Invalid=4788, Unknown=0, NotChecked=0, Total=5550 [2024-11-21 12:37:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:37:36,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:37:36,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 7.16) internal successors, (537), 75 states have internal predecessors, (537), 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) [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:37:36,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:37:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 12:37:36,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 12:37:36,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:37:36,790 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)] === [2024-11-21 12:37:36,790 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:37:36,790 INFO L139 ounterexampleChecker]: Examining path program with hash -623207883, occurence #2 [2024-11-21 12:37:36,790 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:37:36,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:37:36,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:37:36,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 12:37:36,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:37:36,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 12:37:36,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:37:36,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 12:37:36,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:37:36,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 12:37:36,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:37:36,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 12:37:36,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:37:36,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-11-21 12:37:36,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:37:36,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:37:48,716 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_18 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:48,716 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:48,716 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_18 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:48,716 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_28 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:48,716 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_18 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:48,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:37:48,716 INFO L85 PathProgramCache]: Analyzing trace with hash 376668541, now seen corresponding path program 1 times [2024-11-21 12:37:48,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:37:48,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419068990] [2024-11-21 12:37:48,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:48,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:37:48,857 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:37:48,858 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:37:48,858 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 177 is hopeless, skipping. [2024-11-21 12:37:48,858 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 298 is hopeless, skipping. [2024-11-21 12:37:48,858 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 323 is hopeless, skipping. [2024-11-21 12:37:48,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-11-21 12:37:48,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:37:48,974 INFO L85 PathProgramCache]: Analyzing trace with hash -648767818, now seen corresponding path program 1 times [2024-11-21 12:37:48,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:37:48,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539048437] [2024-11-21 12:37:48,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:48,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-21 12:37:50,616 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:37:50,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539048437] [2024-11-21 12:37:50,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539048437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:37:50,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1264988384] [2024-11-21 12:37:50,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:50,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:50,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 12:37:50,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:37:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 408 proven. 239 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-21 12:37:51,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1264988384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:37:51,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:37:51,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2024-11-21 12:37:51,800 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:37:51,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2024-11-21 12:37:51,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:37:51,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:37:53,509 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:53,509 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_19 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:53,509 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:53,509 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:53,509 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_29 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:37:53,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:37:53,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2114933740, now seen corresponding path program 1 times [2024-11-21 12:37:53,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:37:53,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207409658] [2024-11-21 12:37:53,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:53,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-21 12:37:55,263 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:37:55,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207409658] [2024-11-21 12:37:55,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207409658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:37:55,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [842682112] [2024-11-21 12:37:55,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:55,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 12:37:55,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:37:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 408 proven. 239 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-21 12:37:56,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [842682112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:37:56,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:37:56,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2024-11-21 12:37:56,539 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:37:56,539 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2024-11-21 12:37:56,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:37:56,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:37:56,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:37:56,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1450277427, now seen corresponding path program 1 times [2024-11-21 12:37:56,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:37:56,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249219782] [2024-11-21 12:37:56,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:56,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-21 12:37:58,661 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:37:58,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249219782] [2024-11-21 12:37:58,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249219782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:37:58,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1186264101] [2024-11-21 12:37:58,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:37:58,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:37:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:37:58,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 12:37:58,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:37:59,876 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 408 proven. 239 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-21 12:37:59,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1186264101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:37:59,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:37:59,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2024-11-21 12:37:59,877 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:37:59,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 374 [2024-11-21 12:37:59,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:37:59,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:38:00,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:00,039 INFO L85 PathProgramCache]: Analyzing trace with hash -653168697, now seen corresponding path program 1 times [2024-11-21 12:38:00,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:38:00,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580382149] [2024-11-21 12:38:00,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:00,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-21 12:38:01,860 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:38:01,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580382149] [2024-11-21 12:38:01,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580382149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:01,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1452725160] [2024-11-21 12:38:01,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:01,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:02,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 12:38:02,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:38:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 408 proven. 239 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-21 12:38:03,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1452725160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:03,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:38:03,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2024-11-21 12:38:03,053 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:38:03,054 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 385 is hopeless, skipping. [2024-11-21 12:38:03,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2024-11-21 12:38:03,054 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:03,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 396 [2024-11-21 12:38:03,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:38:03,054 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:38:03,054 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:38:03,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:03,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1519490551, now seen corresponding path program 14 times [2024-11-21 12:38:03,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:38:03,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243484081] [2024-11-21 12:38:03,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:03,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:05,075 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-21 12:38:05,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:38:05,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243484081] [2024-11-21 12:38:05,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243484081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:05,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322232940] [2024-11-21 12:38:05,076 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:38:05,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:38:05,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:38:05,078 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) [2024-11-21 12:38:05,078 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 [2024-11-21 12:38:05,498 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 12:38:05,498 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:38:05,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 12:38:05,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:38:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 485 proven. 140 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-21 12:38:06,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:38:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 518 proven. 107 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-21 12:38:07,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322232940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:38:07,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:38:07,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 27, 27] total 85 [2024-11-21 12:38:07,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115408449] [2024-11-21 12:38:07,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:38:07,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-21 12:38:07,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:38:07,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-21 12:38:07,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1082, Invalid=6058, Unknown=0, NotChecked=0, Total=7140 [2024-11-21 12:38:07,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:38:07,362 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:38:07,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 7.070588235294117) internal successors, (601), 85 states have internal predecessors, (601), 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) [2024-11-21 12:38:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:38:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:38:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:38:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:38:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:38:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:38:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 12:38:07,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:38:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:38:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 12:38:09,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:38:09,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-21 12:38:09,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89 [2024-11-21 12:38:09,205 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)] === [2024-11-21 12:38:09,205 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:38:09,206 INFO L139 ounterexampleChecker]: Examining path program with hash -623207883, occurence #3 [2024-11-21 12:38:09,206 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:38:09,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:38:09,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:38:09,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 12:38:09,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:38:09,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 12:38:09,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:09,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 12:38:09,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:09,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 12:38:09,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:09,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 12:38:09,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:09,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2024-11-21 12:38:09,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:38:09,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:38:10,267 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:10,267 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:10,267 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:10,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:10,268 INFO L85 PathProgramCache]: Analyzing trace with hash -430751528, now seen corresponding path program 1 times [2024-11-21 12:38:10,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:38:10,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81499705] [2024-11-21 12:38:10,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:10,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:38:10,345 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:38:10,346 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:38:10,346 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 179 is hopeless, skipping. [2024-11-21 12:38:10,346 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 300 is hopeless, skipping. [2024-11-21 12:38:10,346 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 325 is hopeless, skipping. [2024-11-21 12:38:10,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2024-11-21 12:38:10,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:10,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1300617327, now seen corresponding path program 1 times [2024-11-21 12:38:10,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:38:10,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878795203] [2024-11-21 12:38:10,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:10,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 12:38:12,167 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:38:12,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878795203] [2024-11-21 12:38:12,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878795203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:12,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [58995102] [2024-11-21 12:38:12,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:12,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:12,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 12:38:12,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:38:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 396 proven. 299 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 12:38:13,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [58995102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:13,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:38:13,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2024-11-21 12:38:13,427 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:38:13,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2024-11-21 12:38:13,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:38:13,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:38:17,611 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_31 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:17,611 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_21 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:17,611 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_21 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:17,611 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_21 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:17,611 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:17,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:17,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1500818617, now seen corresponding path program 1 times [2024-11-21 12:38:17,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:38:17,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048228892] [2024-11-21 12:38:17,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:17,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-21 12:38:19,467 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:38:19,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048228892] [2024-11-21 12:38:19,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048228892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:19,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1077247928] [2024-11-21 12:38:19,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:19,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:19,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 12:38:19,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:38:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 396 proven. 299 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-21 12:38:20,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1077247928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:20,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:38:20,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2024-11-21 12:38:20,758 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:38:20,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 366 [2024-11-21 12:38:20,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:38:20,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:38:20,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:20,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1855037096, now seen corresponding path program 1 times [2024-11-21 12:38:20,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:38:20,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865900297] [2024-11-21 12:38:20,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-21 12:38:22,780 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:38:22,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865900297] [2024-11-21 12:38:22,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865900297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:22,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [236827777] [2024-11-21 12:38:22,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:22,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 12:38:22,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:38:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 396 proven. 299 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-21 12:38:23,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [236827777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:23,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:38:23,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2024-11-21 12:38:23,913 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:38:23,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2024-11-21 12:38:24,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:38:24,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:38:24,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:24,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1758671650, now seen corresponding path program 1 times [2024-11-21 12:38:24,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:38:24,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157615332] [2024-11-21 12:38:24,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:24,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-21 12:38:26,034 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:38:26,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157615332] [2024-11-21 12:38:26,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157615332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:26,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [234648861] [2024-11-21 12:38:26,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:26,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:26,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 1686 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 12:38:26,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:38:27,336 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 396 proven. 299 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-21 12:38:27,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [234648861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:27,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:38:27,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2024-11-21 12:38:27,337 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:38:27,337 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 387 is hopeless, skipping. [2024-11-21 12:38:27,337 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2024-11-21 12:38:27,337 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:27,337 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 398 [2024-11-21 12:38:27,337 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:38:27,337 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:38:27,337 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:38:27,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:27,337 INFO L85 PathProgramCache]: Analyzing trace with hash 616685835, now seen corresponding path program 15 times [2024-11-21 12:38:27,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:38:27,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026344687] [2024-11-21 12:38:27,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:27,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-21 12:38:29,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:38:29,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026344687] [2024-11-21 12:38:29,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026344687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:29,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222327341] [2024-11-21 12:38:29,384 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:38:29,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:38:29,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:38:29,386 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) [2024-11-21 12:38:29,387 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 [2024-11-21 12:38:51,880 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-21 12:38:51,881 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:38:51,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 12:38:51,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:38:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 197 proven. 78 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-11-21 12:38:52,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:38:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 115 proven. 160 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-11-21 12:38:53,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222327341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:38:53,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:38:53,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 28, 28] total 87 [2024-11-21 12:38:53,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159234669] [2024-11-21 12:38:53,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:38:53,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-11-21 12:38:53,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:38:53,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-11-21 12:38:53,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1006, Invalid=6476, Unknown=0, NotChecked=0, Total=7482 [2024-11-21 12:38:53,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:38:53,784 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:38:53,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 6.022988505747127) internal successors, (524), 87 states have internal predecessors, (524), 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) [2024-11-21 12:38:53,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:38:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 12:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:38:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:38:54,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-21 12:38:54,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable98,SelfDestructingSolverStorable99,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101 [2024-11-21 12:38:54,480 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)] === [2024-11-21 12:38:54,480 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:38:54,481 INFO L139 ounterexampleChecker]: Examining path program with hash -623207883, occurence #4 [2024-11-21 12:38:54,481 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:38:54,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:38:54,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:38:54,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 12:38:54,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:38:54,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 12:38:54,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:54,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 12:38:54,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:54,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 12:38:54,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:54,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 12:38:54,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:38:54,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-11-21 12:38:54,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:38:54,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:38:57,355 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:57,355 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:57,355 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_28 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:38:57,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:57,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1251575017, now seen corresponding path program 1 times [2024-11-21 12:38:57,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:38:57,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315025140] [2024-11-21 12:38:57,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:57,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:38:57,573 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:38:57,574 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:38:57,574 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 181 is hopeless, skipping. [2024-11-21 12:38:57,574 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 302 is hopeless, skipping. [2024-11-21 12:38:57,574 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 327 is hopeless, skipping. [2024-11-21 12:38:57,574 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2024-11-21 12:38:57,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:38:57,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1097869858, now seen corresponding path program 1 times [2024-11-21 12:38:57,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:38:57,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173932079] [2024-11-21 12:38:57,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:57,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 12:38:59,484 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:38:59,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173932079] [2024-11-21 12:38:59,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173932079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:38:59,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [898812847] [2024-11-21 12:38:59,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:38:59,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:38:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:38:59,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 12:38:59,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:39:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 346 proven. 390 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 12:39:00,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [898812847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:00,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:39:00,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2024-11-21 12:39:00,883 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:39:00,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2024-11-21 12:39:01,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:39:01,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:39:13,015 WARN L286 SmtUtils]: Spent 10.41s on a formula simplification. DAG size of input: 33 DAG size of output: 28 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-11-21 12:39:13,015 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:13,015 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:13,016 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_30 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:13,016 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:13,016 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:13,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:39:13,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1957865640, now seen corresponding path program 1 times [2024-11-21 12:39:13,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:39:13,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783771271] [2024-11-21 12:39:13,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:13,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-21 12:39:14,932 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:39:14,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783771271] [2024-11-21 12:39:14,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783771271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:14,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1415334231] [2024-11-21 12:39:14,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:14,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:15,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 12:39:15,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:39:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 346 proven. 390 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-21 12:39:16,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1415334231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:16,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:39:16,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2024-11-21 12:39:16,400 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:39:16,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2024-11-21 12:39:16,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:39:16,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:39:16,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:39:16,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1015879993, now seen corresponding path program 1 times [2024-11-21 12:39:16,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:39:16,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059446709] [2024-11-21 12:39:16,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:16,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-21 12:39:18,610 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:39:18,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059446709] [2024-11-21 12:39:18,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059446709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:18,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1201068838] [2024-11-21 12:39:18,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:18,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:18,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 12:39:18,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:39:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 346 proven. 390 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-21 12:39:20,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1201068838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:20,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:39:20,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2024-11-21 12:39:20,055 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:39:20,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 378 [2024-11-21 12:39:20,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:39:20,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:39:20,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:39:20,236 INFO L85 PathProgramCache]: Analyzing trace with hash -765398221, now seen corresponding path program 1 times [2024-11-21 12:39:20,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:39:20,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368013081] [2024-11-21 12:39:20,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-21 12:39:22,268 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:39:22,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368013081] [2024-11-21 12:39:22,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368013081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:22,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1324331019] [2024-11-21 12:39:22,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:22,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:22,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 12:39:22,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:39:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 346 proven. 390 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-21 12:39:23,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1324331019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:23,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:39:23,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2024-11-21 12:39:23,707 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:39:23,708 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 389 is hopeless, skipping. [2024-11-21 12:39:23,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 399 [2024-11-21 12:39:23,708 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:39:23,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 400 [2024-11-21 12:39:23,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:39:23,708 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:39:23,708 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:39:23,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:39:23,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1874804425, now seen corresponding path program 16 times [2024-11-21 12:39:23,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:39:23,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346785725] [2024-11-21 12:39:23,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:23,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:25,893 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-21 12:39:25,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:39:25,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346785725] [2024-11-21 12:39:25,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346785725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:25,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636655382] [2024-11-21 12:39:25,893 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:39:25,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:39:25,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:39:25,895 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:39:25,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-21 12:39:26,389 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:39:26,389 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:39:26,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 12:39:26,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:39:27,421 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 496 proven. 185 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-21 12:39:27,421 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:39:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 530 proven. 151 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-21 12:39:28,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636655382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:39:28,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:39:28,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 31, 31] total 97 [2024-11-21 12:39:28,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803308025] [2024-11-21 12:39:28,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:39:28,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-11-21 12:39:28,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:39:28,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-11-21 12:39:28,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=7906, Unknown=0, NotChecked=0, Total=9312 [2024-11-21 12:39:28,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:39:28,661 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:39:28,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 7.061855670103093) internal successors, (685), 97 states have internal predecessors, (685), 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) [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:39:28,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:39:28,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:39:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:39:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 12:39:30,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-21 12:39:30,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,SelfDestructingSolverStorable104,SelfDestructingSolverStorable105,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107,SelfDestructingSolverStorable111,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2024-11-21 12:39:30,455 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)] === [2024-11-21 12:39:30,455 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:39:30,456 INFO L139 ounterexampleChecker]: Examining path program with hash -623207883, occurence #5 [2024-11-21 12:39:30,456 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:39:30,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:39:30,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:39:30,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 12:39:30,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:39:30,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 12:39:30,456 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:39:30,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 12:39:30,456 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:39:30,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 12:39:30,456 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:39:30,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 12:39:30,456 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:39:30,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 12:39:30,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:39:30,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:39:47,861 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_33 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:47,862 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:47,862 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_28 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:47,862 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:47,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:39:47,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1412496580, now seen corresponding path program 1 times [2024-11-21 12:39:47,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:39:47,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507406174] [2024-11-21 12:39:47,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:39:48,125 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:39:48,125 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:39:48,126 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 183 is hopeless, skipping. [2024-11-21 12:39:48,126 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 304 is hopeless, skipping. [2024-11-21 12:39:48,126 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 329 is hopeless, skipping. [2024-11-21 12:39:48,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 338 [2024-11-21 12:39:48,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:39:48,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1607265411, now seen corresponding path program 1 times [2024-11-21 12:39:48,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:39:48,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969889638] [2024-11-21 12:39:48,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:48,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-21 12:39:50,008 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:39:50,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969889638] [2024-11-21 12:39:50,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969889638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:50,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2146607842] [2024-11-21 12:39:50,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:50,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 1559 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 12:39:50,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:39:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 299 proven. 465 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-21 12:39:51,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2146607842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:51,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:39:51,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 12:39:51,529 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:39:51,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2024-11-21 12:39:51,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:39:51,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-11-21 12:39:53,148 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_35 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:53,148 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:53,148 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:39:53,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:39:53,149 INFO L85 PathProgramCache]: Analyzing trace with hash -982446285, now seen corresponding path program 1 times [2024-11-21 12:39:53,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:39:53,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129446908] [2024-11-21 12:39:53,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:53,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-21 12:39:55,118 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:39:55,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129446908] [2024-11-21 12:39:55,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129446908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:55,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [333861858] [2024-11-21 12:39:55,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:55,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:55,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 12:39:55,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:39:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 299 proven. 465 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-21 12:39:56,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [333861858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:56,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:39:56,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 12:39:56,599 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:39:56,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 370 [2024-11-21 12:39:56,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:39:56,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:39:56,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:39:56,775 INFO L85 PathProgramCache]: Analyzing trace with hash -408188268, now seen corresponding path program 1 times [2024-11-21 12:39:56,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:39:56,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975865515] [2024-11-21 12:39:56,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:56,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-21 12:39:58,788 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:39:58,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975865515] [2024-11-21 12:39:58,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975865515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:39:58,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1679407525] [2024-11-21 12:39:58,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:39:58,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:39:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:39:58,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 12:39:58,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:40:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 299 proven. 465 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-21 12:40:00,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1679407525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:40:00,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:40:00,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 12:40:00,263 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:40:00,263 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 380 [2024-11-21 12:40:00,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:40:00,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-11-21 12:40:00,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:40:00,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1303810290, now seen corresponding path program 1 times [2024-11-21 12:40:00,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:40:00,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930393815] [2024-11-21 12:40:00,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:40:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:40:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:40:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 12:40:02,543 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:40:02,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930393815] [2024-11-21 12:40:02,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930393815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:40:02,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1596650431] [2024-11-21 12:40:02,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:40:02,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:40:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:40:02,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 12:40:02,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:40:04,049 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 299 proven. 465 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 12:40:04,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1596650431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:40:04,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:40:04,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 12:40:04,049 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:40:04,050 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 391 is hopeless, skipping. [2024-11-21 12:40:04,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 401 [2024-11-21 12:40:04,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:40:04,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 402 [2024-11-21 12:40:04,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:40:04,050 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:40:04,050 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:40:04,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:40:04,050 INFO L85 PathProgramCache]: Analyzing trace with hash -207327925, now seen corresponding path program 17 times [2024-11-21 12:40:04,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:40:04,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636256206] [2024-11-21 12:40:04,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:40:04,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:40:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:40:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-21 12:40:06,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:40:06,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636256206] [2024-11-21 12:40:06,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636256206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:40:06,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904869762] [2024-11-21 12:40:06,297 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:40:06,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:40:06,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:40:06,298 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:40:06,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process Killed by 15