./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.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 b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 18:23:59,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 18:24:00,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 18:24:00,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 18:24:00,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 18:24:00,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 18:24:00,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 18:24:00,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 18:24:00,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 18:24:00,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 18:24:00,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 18:24:00,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 18:24:00,036 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 18:24:00,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 18:24:00,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 18:24:00,036 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 18:24:00,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 18:24:00,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 18:24:00,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 18:24:00,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:24:00,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 18:24:00,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 18:24:00,039 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 18:24:00,039 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 18:24:00,039 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 -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-23 18:24:00,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 18:24:00,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 18:24:00,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 18:24:00,312 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 18:24:00,312 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 18:24:00,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2025-01-23 18:24:01,511 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7210517a1/bea9426c3ab34efca0901a5c62b68859/FLAG945f9e0ee [2025-01-23 18:24:01,687 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 18:24:01,687 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2025-01-23 18:24:01,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7210517a1/bea9426c3ab34efca0901a5c62b68859/FLAG945f9e0ee [2025-01-23 18:24:01,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7210517a1/bea9426c3ab34efca0901a5c62b68859 [2025-01-23 18:24:01,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 18:24:01,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 18:24:01,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 18:24:01,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 18:24:01,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 18:24:01,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec80861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01, skipping insertion in model container [2025-01-23 18:24:01,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 18:24:01,853 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2592,2605] [2025-01-23 18:24:01,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:24:01,867 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 18:24:01,912 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2592,2605] [2025-01-23 18:24:01,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:24:01,930 INFO L204 MainTranslator]: Completed translation [2025-01-23 18:24:01,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01 WrapperNode [2025-01-23 18:24:01,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 18:24:01,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 18:24:01,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 18:24:01,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 18:24:01,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,970 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 157 [2025-01-23 18:24:01,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 18:24:01,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 18:24:01,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 18:24:01,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 18:24:01,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,990 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:01,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:02,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:02,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 18:24:02,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 18:24:02,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 18:24:02,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 18:24:02,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (1/1) ... [2025-01-23 18:24:02,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:24:02,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:02,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 18:24:02,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 18:24:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 18:24:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 18:24:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 18:24:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 18:24:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 18:24:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 18:24:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 18:24:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 18:24:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 18:24:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 18:24:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 18:24:02,062 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 18:24:02,131 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 18:24:02,132 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 18:24:02,376 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 18:24:02,377 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 18:24:02,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 18:24:02,578 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 18:24:02,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:24:02 BoogieIcfgContainer [2025-01-23 18:24:02,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 18:24:02,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 18:24:02,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 18:24:02,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 18:24:02,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 06:24:01" (1/3) ... [2025-01-23 18:24:02,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ed5c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:24:02, skipping insertion in model container [2025-01-23 18:24:02,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:24:01" (2/3) ... [2025-01-23 18:24:02,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ed5c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:24:02, skipping insertion in model container [2025-01-23 18:24:02,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:24:02" (3/3) ... [2025-01-23 18:24:02,587 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2025-01-23 18:24:02,596 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 18:24:02,598 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-opt-symm.wvr.c that has 3 procedures, 23 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-23 18:24:02,598 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 18:24:02,637 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-23 18:24:02,668 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:24:02,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 18:24:02,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:02,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 18:24:02,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 18:24:02,732 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 18:24:02,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 18:24:02,747 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;@6f75877f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:24:02,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-23 18:24:02,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:02,886 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:02,887 INFO L139 ounterexampleChecker]: Examining path program with hash 35192044, occurence #1 [2025-01-23 18:24:02,887 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:24:02,887 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:02,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:02,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1953229868, now seen corresponding path program 1 times [2025-01-23 18:24:02,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:02,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104835049] [2025-01-23 18:24:02,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:02,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:02,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-23 18:24:02,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-23 18:24:02,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:02,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:24:03,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:03,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104835049] [2025-01-23 18:24:03,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104835049] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:24:03,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:24:03,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 18:24:03,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124850474] [2025-01-23 18:24:03,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:24:03,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 18:24:03,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:03,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 18:24:03,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-23 18:24:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,122 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:03,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:03,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 18:24:03,169 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:03,170 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:03,170 INFO L139 ounterexampleChecker]: Examining path program with hash -979748344, occurence #1 [2025-01-23 18:24:03,170 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:24:03,170 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:03,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:03,170 INFO L85 PathProgramCache]: Analyzing trace with hash 449929583, now seen corresponding path program 1 times [2025-01-23 18:24:03,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:03,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132902072] [2025-01-23 18:24:03,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:03,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:03,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-23 18:24:03,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-23 18:24:03,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:03,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:24:03,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:03,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132902072] [2025-01-23 18:24:03,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132902072] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:24:03,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:24:03,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 18:24:03,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709979540] [2025-01-23 18:24:03,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:24:03,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 18:24:03,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:03,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 18:24:03,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-23 18:24:03,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,316 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:03,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:03,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 18:24:03,363 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:03,363 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:03,363 INFO L139 ounterexampleChecker]: Examining path program with hash 1194577526, occurence #1 [2025-01-23 18:24:03,364 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:24:03,364 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:03,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:03,364 INFO L85 PathProgramCache]: Analyzing trace with hash 529033215, now seen corresponding path program 1 times [2025-01-23 18:24:03,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:03,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351676594] [2025-01-23 18:24:03,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:03,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-23 18:24:03,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-23 18:24:03,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:03,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:24:03,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:03,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351676594] [2025-01-23 18:24:03,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351676594] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:24:03,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:24:03,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 18:24:03,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998522500] [2025-01-23 18:24:03,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:24:03,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 18:24:03,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:03,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 18:24:03,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-23 18:24:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,461 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:03,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:03,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:03,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-23 18:24:03,514 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:03,514 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:03,515 INFO L139 ounterexampleChecker]: Examining path program with hash 962265281, occurence #1 [2025-01-23 18:24:03,515 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:24:03,515 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:03,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:03,515 INFO L85 PathProgramCache]: Analyzing trace with hash -511263743, now seen corresponding path program 2 times [2025-01-23 18:24:03,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:03,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964669979] [2025-01-23 18:24:03,528 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:24:03,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:03,539 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-23 18:24:03,549 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 20 of 22 statements. [2025-01-23 18:24:03,549 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 18:24:03,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:03,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 18:24:03,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:03,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964669979] [2025-01-23 18:24:03,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964669979] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:24:03,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:24:03,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 18:24:03,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073551153] [2025-01-23 18:24:03,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:24:03,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:24:03,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:03,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:24:03,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:24:03,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,632 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:03,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:03,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:03,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:03,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 18:24:03,668 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:03,669 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:03,669 INFO L139 ounterexampleChecker]: Examining path program with hash 962265281, occurence #2 [2025-01-23 18:24:03,669 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:03,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:03,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:03,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 18:24:03,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:03,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-23 18:24:03,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:03,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 18:24:03,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:03,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-23 18:24:03,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:03,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-23 18:24:03,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:03,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 18:24:03,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:03,687 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:03,687 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:03,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:03,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1366481200, now seen corresponding path program 1 times [2025-01-23 18:24:03,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:03,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744561743] [2025-01-23 18:24:03,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:03,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:03,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-23 18:24:03,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-23 18:24:03,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:03,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 18:24:03,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744561743] [2025-01-23 18:24:03,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744561743] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007903700] [2025-01-23 18:24:03,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:03,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:03,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:03,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:03,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 18:24:03,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-23 18:24:03,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-23 18:24:03,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:03,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:03,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-23 18:24:03,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 18:24:03,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:24:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 18:24:03,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007903700] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:24:03,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:24:03,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2025-01-23 18:24:03,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902345761] [2025-01-23 18:24:03,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:24:03,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 18:24:03,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:03,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 18:24:03,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-01-23 18:24:03,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:03,981 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:03,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:03,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:03,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:03,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:03,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:04,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:04,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:04,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:04,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:04,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:04,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 18:24:04,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:04,303 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:04,303 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:04,303 INFO L139 ounterexampleChecker]: Examining path program with hash 962265281, occurence #3 [2025-01-23 18:24:04,303 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:04,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:04,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:04,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-23 18:24:04,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:04,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 18:24:04,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:04,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-23 18:24:04,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:04,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-23 18:24:04,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:04,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-23 18:24:04,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:04,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 18:24:04,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:04,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-23 18:24:04,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:04,303 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:04,303 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:04,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:04,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1314833731, now seen corresponding path program 2 times [2025-01-23 18:24:04,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:04,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050756520] [2025-01-23 18:24:04,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:24:04,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:04,319 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-01-23 18:24:04,353 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 20 of 32 statements. [2025-01-23 18:24:04,353 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 18:24:04,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-23 18:24:04,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:04,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050756520] [2025-01-23 18:24:04,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050756520] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:24:04,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:24:04,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-23 18:24:04,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81867812] [2025-01-23 18:24:04,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:24:04,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 18:24:04,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:04,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 18:24:04,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-01-23 18:24:04,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:04,856 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:04,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:04,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:04,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:04,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:04,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:04,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:04,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:05,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-23 18:24:05,075 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:05,075 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:05,076 INFO L139 ounterexampleChecker]: Examining path program with hash 962265281, occurence #4 [2025-01-23 18:24:05,076 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:05,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:05,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:05,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-23 18:24:05,076 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:05,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 18:24:05,076 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:05,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-23 18:24:05,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:05,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 18:24:05,076 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:05,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-23 18:24:05,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:05,076 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:05,076 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:05,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:05,076 INFO L85 PathProgramCache]: Analyzing trace with hash 360030649, now seen corresponding path program 1 times [2025-01-23 18:24:05,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:05,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566034528] [2025-01-23 18:24:05,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:05,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-23 18:24:05,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-23 18:24:05,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:05,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 18:24:05,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:05,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566034528] [2025-01-23 18:24:05,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566034528] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:05,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614529460] [2025-01-23 18:24:05,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:05,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:05,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:05,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:05,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 18:24:05,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-23 18:24:05,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-23 18:24:05,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:05,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:05,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 18:24:05,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 18:24:05,305 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:24:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 18:24:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614529460] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:24:05,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:24:05,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2025-01-23 18:24:05,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037577944] [2025-01-23 18:24:05,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:24:05,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-23 18:24:05,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:05,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-23 18:24:05,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2025-01-23 18:24:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:05,364 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:05,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:05,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:05,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:05,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:05,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:05,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:05,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:05,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:05,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-23 18:24:05,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:05,684 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:05,684 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:05,684 INFO L139 ounterexampleChecker]: Examining path program with hash 962265281, occurence #5 [2025-01-23 18:24:05,684 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:05,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:05,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:05,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 18:24:05,685 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:05,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:24:05,685 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:05,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-23 18:24:05,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:05,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 18:24:05,685 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:05,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:24:05,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:05,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 18:24:05,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:05,692 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:05,692 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:05,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:05,692 INFO L85 PathProgramCache]: Analyzing trace with hash 98663499, now seen corresponding path program 1 times [2025-01-23 18:24:05,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:05,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725579098] [2025-01-23 18:24:05,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:05,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:05,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-23 18:24:05,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-23 18:24:05,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:05,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:05,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:05,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725579098] [2025-01-23 18:24:05,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725579098] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:05,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803511624] [2025-01-23 18:24:05,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:05,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:05,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:05,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:05,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 18:24:05,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-23 18:24:05,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-23 18:24:05,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:05,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:05,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-23 18:24:05,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:05,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:24:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:06,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803511624] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:24:06,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:24:06,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2025-01-23 18:24:06,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247350588] [2025-01-23 18:24:06,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:24:06,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-23 18:24:06,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:06,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-23 18:24:06,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2025-01-23 18:24:06,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:06,048 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:06,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:06,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:06,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 18:24:06,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:06,325 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:06,325 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:06,326 INFO L139 ounterexampleChecker]: Examining path program with hash 962265281, occurence #6 [2025-01-23 18:24:06,326 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:06,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:06,326 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:06,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 18:24:06,326 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:06,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:24:06,326 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:06,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-23 18:24:06,326 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:06,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 18:24:06,326 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:06,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-23 18:24:06,326 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:06,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 18:24:06,327 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:06,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-23 18:24:06,327 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:06,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-23 18:24:06,327 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:06,327 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:06,327 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:06,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:06,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1293821391, now seen corresponding path program 2 times [2025-01-23 18:24:06,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:06,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307059551] [2025-01-23 18:24:06,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:24:06,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:06,338 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-01-23 18:24:06,436 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-01-23 18:24:06,437 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:24:06,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:07,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:07,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307059551] [2025-01-23 18:24:07,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307059551] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:07,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130400605] [2025-01-23 18:24:07,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:24:07,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:07,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:07,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:07,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 18:24:07,414 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-01-23 18:24:07,450 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-01-23 18:24:07,450 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:24:07,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:07,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 18:24:07,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-01-23 18:24:07,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:24:08,112 INFO L349 Elim1Store]: treesize reduction 60, result has 69.4 percent of original size [2025-01-23 18:24:08,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 147 [2025-01-23 18:24:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-01-23 18:24:08,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130400605] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:24:08,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:24:08,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 35 [2025-01-23 18:24:08,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774934110] [2025-01-23 18:24:08,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:24:08,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-23 18:24:08,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:08,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-23 18:24:08,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1082, Unknown=0, NotChecked=0, Total=1190 [2025-01-23 18:24:08,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:08,279 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:08,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.4) internal successors, (84), 35 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 18:24:09,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-23 18:24:09,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:09,989 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:09,989 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:09,989 INFO L139 ounterexampleChecker]: Examining path program with hash 962265281, occurence #7 [2025-01-23 18:24:09,989 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:09,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:09,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:09,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 18:24:09,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:09,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:24:09,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:09,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:24:09,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:09,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 18:24:09,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:09,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-23 18:24:09,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:09,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-23 18:24:09,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:09,990 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:09,990 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:09,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:09,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1773839479, now seen corresponding path program 1 times [2025-01-23 18:24:09,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:09,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275418697] [2025-01-23 18:24:09,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:09,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:10,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-23 18:24:10,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-23 18:24:10,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:10,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-23 18:24:10,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:10,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275418697] [2025-01-23 18:24:10,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275418697] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:10,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73622527] [2025-01-23 18:24:10,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:10,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:10,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:10,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:10,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 18:24:10,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-23 18:24:10,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-23 18:24:10,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:10,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:10,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-23 18:24:10,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-23 18:24:10,187 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:24:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-23 18:24:10,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73622527] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:24:10,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:24:10,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-01-23 18:24:10,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225604923] [2025-01-23 18:24:10,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:24:10,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 18:24:10,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:10,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 18:24:10,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-01-23 18:24:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:10,247 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:10,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 18:24:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 18:24:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:10,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 18:24:10,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-23 18:24:10,671 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:10,671 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:10,671 INFO L139 ounterexampleChecker]: Examining path program with hash 119844671, occurence #1 [2025-01-23 18:24:10,671 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:24:10,671 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:10,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:10,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1122809563, now seen corresponding path program 3 times [2025-01-23 18:24:10,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:10,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119661143] [2025-01-23 18:24:10,672 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:24:10,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:10,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 6 equivalence classes. [2025-01-23 18:24:10,812 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 48 of 48 statements. [2025-01-23 18:24:10,812 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-23 18:24:10,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-23 18:24:12,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:12,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119661143] [2025-01-23 18:24:12,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119661143] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:12,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986609406] [2025-01-23 18:24:12,618 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:24:12,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:12,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:12,619 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:12,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-23 18:24:12,690 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 6 equivalence classes. [2025-01-23 18:24:12,796 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 48 of 48 statements. [2025-01-23 18:24:12,796 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-23 18:24:12,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:12,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 18:24:12,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:12,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 18:24:12,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986609406] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:24:12,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-23 18:24:12,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [21] total 28 [2025-01-23 18:24:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152384754] [2025-01-23 18:24:12,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:24:12,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 18:24:12,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:12,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 18:24:12,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2025-01-23 18:24:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:12,921 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:12,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 18:24:13,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-23 18:24:13,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:13,235 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:13,235 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:13,235 INFO L139 ounterexampleChecker]: Examining path program with hash 962265281, occurence #8 [2025-01-23 18:24:13,235 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:13,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:13,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:13,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 18:24:13,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:13,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:24:13,236 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:13,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-23 18:24:13,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:13,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-23 18:24:13,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:13,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 18:24:13,236 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:13,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-23 18:24:13,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:13,236 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:13,236 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:13,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:13,237 INFO L85 PathProgramCache]: Analyzing trace with hash 306049416, now seen corresponding path program 2 times [2025-01-23 18:24:13,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:13,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813452017] [2025-01-23 18:24:13,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:24:13,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:13,249 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 52 statements into 2 equivalence classes. [2025-01-23 18:24:13,261 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 52 of 52 statements. [2025-01-23 18:24:13,262 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:24:13,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:13,368 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 47 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:13,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:13,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813452017] [2025-01-23 18:24:13,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813452017] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:13,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013610514] [2025-01-23 18:24:13,369 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:24:13,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:13,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:13,374 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:13,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-23 18:24:13,435 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 52 statements into 2 equivalence classes. [2025-01-23 18:24:13,463 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 52 of 52 statements. [2025-01-23 18:24:13,463 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:24:13,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:13,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 18:24:13,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-23 18:24:13,496 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 18:24:13,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013610514] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:24:13,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-23 18:24:13,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 11 [2025-01-23 18:24:13,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44249158] [2025-01-23 18:24:13,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:24:13,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 18:24:13,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:13,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 18:24:13,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2025-01-23 18:24:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:13,497 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:13,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:13,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:13,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 18:24:13,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:13,943 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:13,943 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:13,943 INFO L139 ounterexampleChecker]: Examining path program with hash 119844671, occurence #2 [2025-01-23 18:24:13,943 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:13,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:13,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:13,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 18:24:13,943 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:13,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:24:13,943 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:13,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-23 18:24:13,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:13,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-23 18:24:13,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:13,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-23 18:24:13,944 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:13,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-23 18:24:13,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:13,944 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:13,944 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:13,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:13,944 INFO L85 PathProgramCache]: Analyzing trace with hash 961344650, now seen corresponding path program 1 times [2025-01-23 18:24:13,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:13,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988251911] [2025-01-23 18:24:13,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:13,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:13,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-23 18:24:13,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-23 18:24:13,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:13,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:14,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:14,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988251911] [2025-01-23 18:24:14,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988251911] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:14,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834870584] [2025-01-23 18:24:14,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:24:14,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:14,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:14,832 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:14,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 18:24:14,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-23 18:24:14,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-23 18:24:14,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:24:14,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:14,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-23 18:24:14,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:15,220 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2025-01-23 18:24:15,220 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 127 treesize of output 64 [2025-01-23 18:24:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:15,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:24:15,472 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2025-01-23 18:24:15,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 144 treesize of output 112 [2025-01-23 18:24:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-23 18:24:15,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834870584] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:24:15,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:24:15,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 9] total 37 [2025-01-23 18:24:15,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005964810] [2025-01-23 18:24:15,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:24:15,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-23 18:24:15,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:15,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-23 18:24:15,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1212, Unknown=0, NotChecked=0, Total=1332 [2025-01-23 18:24:15,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:15,571 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:15,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.1621621621621623) internal successors, (80), 37 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:15,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-23 18:24:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:15,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-23 18:24:18,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-23 18:24:18,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:18,331 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:24:18,331 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:24:18,331 INFO L139 ounterexampleChecker]: Examining path program with hash 119844671, occurence #3 [2025-01-23 18:24:18,331 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:24:18,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:24:18,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:18,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 18:24:18,332 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:18,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:24:18,332 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:18,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:24:18,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:18,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-23 18:24:18,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:18,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-23 18:24:18,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:18,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-23 18:24:18,332 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:24:18,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-23 18:24:18,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:24:18,332 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:24:18,332 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:24:18,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:24:18,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1724739400, now seen corresponding path program 2 times [2025-01-23 18:24:18,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:24:18,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796527050] [2025-01-23 18:24:18,332 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:24:18,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:24:18,343 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-01-23 18:24:18,371 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-01-23 18:24:18,371 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:24:18,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:18,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:24:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796527050] [2025-01-23 18:24:18,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796527050] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:24:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311227853] [2025-01-23 18:24:18,835 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:24:18,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:24:18,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:24:18,841 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:24:18,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 18:24:18,917 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-01-23 18:24:18,947 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-01-23 18:24:18,947 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:24:18,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:24:18,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-23 18:24:18,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:24:19,233 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 18:24:19,234 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 50 treesize of output 30 [2025-01-23 18:24:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 18:24:19,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:24:19,357 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2025-01-23 18:24:19,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 95 [2025-01-23 18:24:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-23 18:24:19,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311227853] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:24:19,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:24:19,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 8] total 31 [2025-01-23 18:24:19,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731895625] [2025-01-23 18:24:19,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:24:19,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-23 18:24:19,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:24:19,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-23 18:24:19,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2025-01-23 18:24:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:19,444 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:24:19,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:24:19,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:19,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-23 18:24:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:24:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 18:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-23 18:24:22,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-01-23 18:24:22,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-01-23 18:24:22,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-23 18:24:22,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-23 18:24:23,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-23 18:24:23,170 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 1, 1, 1] [2025-01-23 18:24:23,172 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-23 18:24:23,173 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-23 18:24:23,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-23 18:24:23,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 06:24:23 BasicIcfg [2025-01-23 18:24:23,181 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-23 18:24:23,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-23 18:24:23,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-23 18:24:23,182 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-23 18:24:23,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:24:02" (3/4) ... [2025-01-23 18:24:23,184 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-23 18:24:23,186 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-23 18:24:23,186 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-23 18:24:23,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2025-01-23 18:24:23,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-01-23 18:24:23,190 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-23 18:24:23,190 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-23 18:24:23,249 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-01-23 18:24:23,249 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2025-01-23 18:24:23,249 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-23 18:24:23,250 INFO L158 Benchmark]: Toolchain (without parser) took 21535.25ms. Allocated memory was 83.9MB in the beginning and 436.2MB in the end (delta: 352.3MB). Free memory was 59.4MB in the beginning and 160.4MB in the end (delta: -100.9MB). Peak memory consumption was 250.6MB. Max. memory is 16.1GB. [2025-01-23 18:24:23,250 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 83.9MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 18:24:23,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.86ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 45.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-23 18:24:23,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.03ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 43.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 18:24:23,252 INFO L158 Benchmark]: Boogie Preprocessor took 32.43ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 42.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 18:24:23,252 INFO L158 Benchmark]: RCFGBuilder took 571.45ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 36.1MB in the end (delta: 6.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2025-01-23 18:24:23,252 INFO L158 Benchmark]: TraceAbstraction took 20600.71ms. Allocated memory was 83.9MB in the beginning and 436.2MB in the end (delta: 352.3MB). Free memory was 35.6MB in the beginning and 167.1MB in the end (delta: -131.5MB). Peak memory consumption was 221.6MB. Max. memory is 16.1GB. [2025-01-23 18:24:23,252 INFO L158 Benchmark]: Witness Printer took 67.16ms. Allocated memory is still 436.2MB. Free memory was 167.1MB in the beginning and 160.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-23 18:24:23,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 83.9MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.86ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 45.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.03ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 43.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.43ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 42.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 571.45ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 36.1MB in the end (delta: 6.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 20600.71ms. Allocated memory was 83.9MB in the beginning and 436.2MB in the end (delta: 352.3MB). Free memory was 35.6MB in the beginning and 167.1MB in the end (delta: -131.5MB). Peak memory consumption was 221.6MB. Max. memory is 16.1GB. * Witness Printer took 67.16ms. Allocated memory is still 436.2MB. Free memory was 167.1MB in the beginning and 160.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2117, independent: 1472, independent conditional: 1214, independent unconditional: 258, dependent: 645, dependent conditional: 643, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 1214, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 1214, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 1214, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 0, independent unconditional: 1472, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 0, independent unconditional: 1472, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1474, independent: 1254, independent conditional: 0, independent unconditional: 1254, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 220, unknown conditional: 0, unknown unconditional: 220] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1214, Maximal queried relation: 0, Independence queries for same thread: 643, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 54, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 260, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2117, independent: 1472, independent conditional: 1214, independent unconditional: 258, dependent: 645, dependent conditional: 643, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 1214, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 1214, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 1214, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 0, independent unconditional: 1472, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1474, independent: 1472, independent conditional: 0, independent unconditional: 1472, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1474, independent: 1254, independent conditional: 0, independent unconditional: 1254, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 220, unknown conditional: 0, unknown unconditional: 220] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1214, Maximal queried relation: 0, Independence queries for same thread: 643 - PositiveResult [Line: 93]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 35 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 9.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 268, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 831 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1062 ConstructedInterpolants, 7 QuantifiedInterpolants, 6843 SizeOfPredicates, 50 NumberOfNonLiveVariables, 2605 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 856/1126 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 16, ConditionCalculationTime [ms]: 0, ConditionCalculations: 39, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-23 18:24:23,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE