./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.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 d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 12:58:35,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 12:58:35,499 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 12:58:35,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 12:58:35,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 12:58:35,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 12:58:35,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 12:58:35,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 12:58:35,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 12:58:35,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 12:58:35,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 12:58:35,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 12:58:35,521 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 12:58:35,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 12:58:35,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 12:58:35,522 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 12:58:35,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 12:58:35,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 12:58:35,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 12:58:35,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 12:58:35,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 12:58:35,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 12:58:35,523 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 12:58:35,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 12:58:35,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 12:58:35,523 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 12:58:35,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 12:58:35,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 12:58:35,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 12:58:35,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 12:58:35,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 12:58:35,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 12:58:35,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 12:58:35,524 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 12:58:35,524 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 12:58:35,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 12:58:35,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 12:58:35,525 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 12:58:35,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 12:58:35,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 12:58:35,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 12:58:35,525 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 12:58:35,525 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 12:58:35,525 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 -> d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 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 -> NONE [2025-01-23 12:58:35,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 12:58:35,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 12:58:35,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 12:58:35,798 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 12:58:35,798 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 12:58:35,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2025-01-23 12:58:37,059 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a57567fae/24931897a6d549b993801434a76afa42/FLAG0363c5ed4 [2025-01-23 12:58:37,323 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 12:58:37,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2025-01-23 12:58:37,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a57567fae/24931897a6d549b993801434a76afa42/FLAG0363c5ed4 [2025-01-23 12:58:37,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a57567fae/24931897a6d549b993801434a76afa42 [2025-01-23 12:58:37,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 12:58:37,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 12:58:37,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 12:58:37,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 12:58:37,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 12:58:37,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d341f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37, skipping insertion in model container [2025-01-23 12:58:37,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 12:58:37,788 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3081,3094] [2025-01-23 12:58:37,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 12:58:37,802 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 12:58:37,870 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3081,3094] [2025-01-23 12:58:37,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 12:58:37,892 INFO L204 MainTranslator]: Completed translation [2025-01-23 12:58:37,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37 WrapperNode [2025-01-23 12:58:37,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 12:58:37,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 12:58:37,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 12:58:37,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 12:58:37,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,932 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 162 [2025-01-23 12:58:37,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 12:58:37,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 12:58:37,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 12:58:37,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 12:58:37,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,957 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 12:58:37,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 12:58:37,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 12:58:37,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 12:58:37,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (1/1) ... [2025-01-23 12:58:37,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 12:58:37,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:58:38,002 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 12:58:38,006 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 12:58:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 12:58:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 12:58:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 12:58:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 12:58:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 12:58:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 12:58:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 12:58:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 12:58:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 12:58:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 12:58:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 12:58:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 12:58:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 12:58:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 12:58:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 12:58:38,031 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 12:58:38,131 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 12:58:38,133 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 12:58:38,443 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 12:58:38,443 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 12:58:38,675 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 12:58:38,675 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 12:58:38,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 12:58:38 BoogieIcfgContainer [2025-01-23 12:58:38,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 12:58:38,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 12:58:38,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 12:58:38,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 12:58:38,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 12:58:37" (1/3) ... [2025-01-23 12:58:38,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141a7099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 12:58:38, skipping insertion in model container [2025-01-23 12:58:38,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 12:58:37" (2/3) ... [2025-01-23 12:58:38,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141a7099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 12:58:38, skipping insertion in model container [2025-01-23 12:58:38,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 12:58:38" (3/3) ... [2025-01-23 12:58:38,684 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2025-01-23 12:58:38,695 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 12:58:38,696 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-multiply-verify.wvr.c that has 4 procedures, 33 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-23 12:58:38,697 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 12:58:38,748 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-23 12:58:38,781 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 12:58:38,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 12:58:38,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:58:38,785 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 12:58:38,787 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 12:58:38,856 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 12:58:38,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 12:58:38,876 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;@163e1a2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 12:58:38,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-23 12:58:39,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:39,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:39,288 INFO L85 PathProgramCache]: Analyzing trace with hash 35637497, now seen corresponding path program 1 times [2025-01-23 12:58:39,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:39,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868644576] [2025-01-23 12:58:39,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 12:58:39,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:39,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-23 12:58:39,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-23 12:58:39,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 12:58:39,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:39,595 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 12:58:39,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:39,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868644576] [2025-01-23 12:58:39,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868644576] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 12:58:39,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 12:58:39,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 12:58:39,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131096014] [2025-01-23 12:58:39,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 12:58:39,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 12:58:39,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:39,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 12:58:39,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 12:58:39,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:39,617 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:39,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 12:58:39,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:39,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 12:58:39,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:39,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:39,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1479608347, now seen corresponding path program 2 times [2025-01-23 12:58:39,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:39,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330310188] [2025-01-23 12:58:39,783 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 12:58:39,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:39,797 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 1 equivalence classes. [2025-01-23 12:58:39,829 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-23 12:58:39,832 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 12:58:39,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:40,041 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 12:58:40,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:40,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330310188] [2025-01-23 12:58:40,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330310188] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 12:58:40,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 12:58:40,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 12:58:40,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899150906] [2025-01-23 12:58:40,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 12:58:40,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 12:58:40,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:40,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 12:58:40,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-23 12:58:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:40,046 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:40,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 12:58:40,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:40,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:40,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 12:58:40,141 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:40,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:40,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2085046429, now seen corresponding path program 1 times [2025-01-23 12:58:40,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:40,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63332944] [2025-01-23 12:58:40,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 12:58:40,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:40,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-23 12:58:40,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-23 12:58:40,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 12:58:40,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 12:58:40,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:40,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63332944] [2025-01-23 12:58:40,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63332944] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:58:40,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190325481] [2025-01-23 12:58:40,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 12:58:40,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:40,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:58:40,401 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 12:58:40,402 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 12:58:40,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-23 12:58:40,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-23 12:58:40,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 12:58:40,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:40,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 12:58:40,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:58:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 12:58:40,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:58:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 12:58:40,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190325481] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:58:40,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:58:40,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-01-23 12:58:40,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449981310] [2025-01-23 12:58:40,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:58:40,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-23 12:58:40,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:40,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-23 12:58:40,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-01-23 12:58:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:40,709 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:40,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 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 12:58:40,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:40,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:40,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:40,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-23 12:58:41,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:41,062 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:41,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:41,063 INFO L85 PathProgramCache]: Analyzing trace with hash -920194789, now seen corresponding path program 2 times [2025-01-23 12:58:41,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:41,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479429485] [2025-01-23 12:58:41,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 12:58:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:41,075 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-01-23 12:58:41,097 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 27 of 29 statements. [2025-01-23 12:58:41,097 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 12:58:41,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 12:58:41,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:41,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479429485] [2025-01-23 12:58:41,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479429485] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 12:58:41,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 12:58:41,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-23 12:58:41,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50173304] [2025-01-23 12:58:41,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 12:58:41,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 12:58:41,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:41,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 12:58:41,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-23 12:58:41,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:41,239 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:41,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 12:58:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:41,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 12:58:41,381 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:41,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:41,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1513657534, now seen corresponding path program 1 times [2025-01-23 12:58:41,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:41,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710806853] [2025-01-23 12:58:41,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 12:58:41,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:41,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-23 12:58:41,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-23 12:58:41,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 12:58:41,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 12:58:41,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:41,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710806853] [2025-01-23 12:58:41,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710806853] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:58:41,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327589768] [2025-01-23 12:58:41,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 12:58:41,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:41,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:58:41,610 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 12:58:41,613 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 12:58:41,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-23 12:58:41,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-23 12:58:41,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 12:58:41,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:41,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-23 12:58:41,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:58:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 12:58:41,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:58:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 12:58:41,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327589768] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:58:41,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:58:41,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2025-01-23 12:58:41,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839659989] [2025-01-23 12:58:41,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:58:41,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-23 12:58:41,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:41,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-23 12:58:41,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2025-01-23 12:58:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:41,954 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:41,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.117647058823529) internal successors, (70), 17 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 12:58:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:58:42,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 12:58:42,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:42,642 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:42,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:42,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1193111402, now seen corresponding path program 2 times [2025-01-23 12:58:42,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:42,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534761659] [2025-01-23 12:58:42,642 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 12:58:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:42,653 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-01-23 12:58:42,720 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-01-23 12:58:42,720 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 12:58:42,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-23 12:58:44,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:44,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534761659] [2025-01-23 12:58:44,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534761659] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:58:44,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737000061] [2025-01-23 12:58:44,594 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 12:58:44,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:44,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:58:44,596 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 12:58:44,598 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 12:58:44,648 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-01-23 12:58:44,719 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-01-23 12:58:44,719 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 12:58:44,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:44,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-23 12:58:44,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:58:44,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-23 12:58:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 12:58:45,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:58:47,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2025-01-23 12:58:47,426 INFO L349 Elim1Store]: treesize reduction 13, result has 64.9 percent of original size [2025-01-23 12:58:47,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 167 treesize of output 138 [2025-01-23 12:58:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 12:58:47,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737000061] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:58:47,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:58:47,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 44 [2025-01-23 12:58:47,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163655989] [2025-01-23 12:58:47,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:58:47,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-01-23 12:58:47,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:47,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-01-23 12:58:47,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1693, Unknown=0, NotChecked=0, Total=1980 [2025-01-23 12:58:47,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:47,773 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:47,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.7333333333333334) internal successors, (123), 44 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 12:58:47,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:47,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:47,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:47,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:47,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:58:47,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:48,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:58:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 12:58:48,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-23 12:58:48,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:48,889 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:48,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:48,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2086878870, now seen corresponding path program 3 times [2025-01-23 12:58:48,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:48,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916211035] [2025-01-23 12:58:48,890 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 12:58:48,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:48,902 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 4 equivalence classes. [2025-01-23 12:58:48,976 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 48 of 48 statements. [2025-01-23 12:58:48,976 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-23 12:58:48,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-23 12:58:49,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916211035] [2025-01-23 12:58:49,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916211035] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:58:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426911115] [2025-01-23 12:58:49,774 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 12:58:49,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:49,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:58:49,776 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 12:58:49,778 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 12:58:49,827 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 4 equivalence classes. [2025-01-23 12:58:49,997 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 48 of 48 statements. [2025-01-23 12:58:49,997 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-23 12:58:49,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:49,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-01-23 12:58:50,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:58:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 12:58:50,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:58:50,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 12:58:50,515 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 58 treesize of output 60 [2025-01-23 12:58:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-01-23 12:58:51,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426911115] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-23 12:58:51,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-23 12:58:51,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 17] total 27 [2025-01-23 12:58:51,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181703782] [2025-01-23 12:58:51,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 12:58:51,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-23 12:58:51,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:51,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-23 12:58:51,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2025-01-23 12:58:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:51,053 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:51,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 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 12:58:51,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:51,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:51,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:51,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:51,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:58:51,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 12:58:51,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:58:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 12:58:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:58:51,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-23 12:58:51,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:51,402 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:51,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash -536933145, now seen corresponding path program 4 times [2025-01-23 12:58:51,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:51,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330752756] [2025-01-23 12:58:51,403 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 12:58:51,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:51,411 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 51 statements into 2 equivalence classes. [2025-01-23 12:58:51,425 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-01-23 12:58:51,425 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 12:58:51,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 12:58:51,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:51,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330752756] [2025-01-23 12:58:51,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330752756] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:58:51,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370212542] [2025-01-23 12:58:51,720 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 12:58:51,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:51,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:58:51,722 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 12:58:51,724 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 12:58:51,774 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 51 statements into 2 equivalence classes. [2025-01-23 12:58:51,807 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-01-23 12:58:51,807 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 12:58:51,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:51,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-23 12:58:51,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:58:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 12:58:51,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:58:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 12:58:52,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370212542] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:58:52,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:58:52,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2025-01-23 12:58:52,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657294520] [2025-01-23 12:58:52,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:58:52,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-23 12:58:52,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:52,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-23 12:58:52,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2025-01-23 12:58:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:52,208 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:52,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.5416666666666665) internal successors, (85), 24 states have internal predecessors, (85), 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 12:58:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:58:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 12:58:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:58:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-23 12:58:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 12:58:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:58:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:58:53,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-23 12:58:53,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:53,230 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-23 12:58:53,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:58:53,230 INFO L85 PathProgramCache]: Analyzing trace with hash -297513213, now seen corresponding path program 5 times [2025-01-23 12:58:53,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:58:53,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231276606] [2025-01-23 12:58:53,230 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 12:58:53,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:58:53,241 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 8 equivalence classes. [2025-01-23 12:58:53,287 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 75 of 75 statements. [2025-01-23 12:58:53,288 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-23 12:58:53,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-23 12:58:53,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:58:53,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231276606] [2025-01-23 12:58:53,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231276606] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:58:53,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281238007] [2025-01-23 12:58:53,550 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 12:58:53,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:58:53,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:58:53,553 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 12:58:53,554 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 12:58:53,608 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 8 equivalence classes. [2025-01-23 12:58:53,696 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 75 of 75 statements. [2025-01-23 12:58:53,696 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-23 12:58:53,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:58:53,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-23 12:58:53,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:58:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 12:58:54,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:58:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 12:58:54,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281238007] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:58:54,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:58:54,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 19] total 39 [2025-01-23 12:58:54,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844578443] [2025-01-23 12:58:54,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:58:54,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-01-23 12:58:54,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:58:54,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-01-23 12:58:54,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1192, Unknown=0, NotChecked=0, Total=1482 [2025-01-23 12:58:54,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:58:54,481 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:58:54,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.5384615384615383) internal successors, (138), 39 states have internal predecessors, (138), 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 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-23 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:58:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:59:10,755 WARN L286 SmtUtils]: Spent 15.10s on a formula simplification. DAG size of input: 65 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-23 12:59:25,498 WARN L286 SmtUtils]: Spent 12.44s on a formula simplification. DAG size of input: 57 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-23 12:59:37,231 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification. DAG size of input: 49 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-23 12:59:48,271 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification. DAG size of input: 41 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-23 12:59:56,711 WARN L286 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-23 13:00:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 13:00:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 13:00:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 13:00:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 13:00:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-23 13:00:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-01-23 13:00:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 13:00:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 13:00:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 13:00:11,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-01-23 13:00:11,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-23 13:00:11,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-23 13:00:11,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-23 13:00:11,449 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 13:00:11,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 13:00:11,647 INFO L422 BasicCegarLoop]: Path program histogram: [5, 2, 2] [2025-01-23 13:00:11,649 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-23 13:00:11,649 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-23 13:00:11,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-23 13:00:11,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 01:00:11 BasicIcfg [2025-01-23 13:00:11,659 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-23 13:00:11,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-23 13:00:11,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-23 13:00:11,660 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-23 13:00:11,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 12:58:38" (3/4) ... [2025-01-23 13:00:11,663 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-23 13:00:11,666 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-23 13:00:11,666 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-23 13:00:11,666 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-01-23 13:00:11,670 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges [2025-01-23 13:00:11,670 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-23 13:00:11,670 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-23 13:00:11,670 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-23 13:00:11,736 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-01-23 13:00:11,736 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2025-01-23 13:00:11,736 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-23 13:00:11,738 INFO L158 Benchmark]: Toolchain (without parser) took 94086.43ms. Allocated memory was 83.9MB in the beginning and 234.9MB in the end (delta: 151.0MB). Free memory was 59.3MB in the beginning and 81.8MB in the end (delta: -22.6MB). Peak memory consumption was 129.5MB. Max. memory is 16.1GB. [2025-01-23 13:00:11,738 INFO L158 Benchmark]: CDTParser took 2.81ms. Allocated memory is still 83.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 13:00:11,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.72ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 45.1MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-23 13:00:11,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.09ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 43.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 13:00:11,739 INFO L158 Benchmark]: Boogie Preprocessor took 35.66ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 42.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 13:00:11,740 INFO L158 Benchmark]: RCFGBuilder took 704.56ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 40.1MB in the end (delta: 2.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2025-01-23 13:00:11,740 INFO L158 Benchmark]: TraceAbstraction took 92981.53ms. Allocated memory was 83.9MB in the beginning and 234.9MB in the end (delta: 151.0MB). Free memory was 39.5MB in the beginning and 89.7MB in the end (delta: -50.1MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2025-01-23 13:00:11,740 INFO L158 Benchmark]: Witness Printer took 76.60ms. Allocated memory is still 234.9MB. Free memory was 89.7MB in the beginning and 81.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-23 13:00:11,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.81ms. Allocated memory is still 83.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.72ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 45.1MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.09ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 43.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.66ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 42.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 704.56ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 40.1MB in the end (delta: 2.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 92981.53ms. Allocated memory was 83.9MB in the beginning and 234.9MB in the end (delta: 151.0MB). Free memory was 39.5MB in the beginning and 89.7MB in the end (delta: -50.1MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. * Witness Printer took 76.60ms. Allocated memory is still 234.9MB. Free memory was 89.7MB in the beginning and 81.8MB in the end (delta: 7.8MB). 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: 53271, independent: 48370, independent conditional: 47712, independent unconditional: 658, dependent: 4901, dependent conditional: 4891, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48413, independent: 48370, independent conditional: 47712, independent unconditional: 658, dependent: 43, dependent conditional: 33, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48413, independent: 48370, independent conditional: 47712, independent unconditional: 658, dependent: 43, dependent conditional: 33, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49049, independent: 48370, independent conditional: 47712, independent unconditional: 658, dependent: 679, dependent conditional: 669, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49049, independent: 48370, independent conditional: 371, independent unconditional: 47999, dependent: 679, dependent conditional: 45, dependent unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49049, independent: 48370, independent conditional: 371, independent unconditional: 47999, dependent: 679, dependent conditional: 45, dependent unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 613, independent: 598, independent conditional: 10, independent unconditional: 588, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 613, independent: 586, independent conditional: 0, independent unconditional: 586, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 12, independent conditional: 10, independent unconditional: 2, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 12, independent conditional: 10, independent unconditional: 2, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 661, independent: 270, independent conditional: 191, independent unconditional: 79, dependent: 390, dependent conditional: 80, dependent unconditional: 310, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 49049, independent: 47772, independent conditional: 361, independent unconditional: 47411, dependent: 664, dependent conditional: 40, dependent unconditional: 624, unknown: 613, unknown conditional: 15, unknown unconditional: 598] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 598, Positive conditional cache size: 10, Positive unconditional cache size: 588, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 47965, Maximal queried relation: 3, Independence queries for same thread: 4858, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 261, Number of trivial persistent sets: 223, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 668, independent: 658, independent conditional: 0, independent unconditional: 658, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 53271, independent: 48370, independent conditional: 47712, independent unconditional: 658, dependent: 4901, dependent conditional: 4891, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48413, independent: 48370, independent conditional: 47712, independent unconditional: 658, dependent: 43, dependent conditional: 33, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48413, independent: 48370, independent conditional: 47712, independent unconditional: 658, dependent: 43, dependent conditional: 33, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49049, independent: 48370, independent conditional: 47712, independent unconditional: 658, dependent: 679, dependent conditional: 669, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49049, independent: 48370, independent conditional: 371, independent unconditional: 47999, dependent: 679, dependent conditional: 45, dependent unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49049, independent: 48370, independent conditional: 371, independent unconditional: 47999, dependent: 679, dependent conditional: 45, dependent unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 613, independent: 598, independent conditional: 10, independent unconditional: 588, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 613, independent: 586, independent conditional: 0, independent unconditional: 586, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 12, independent conditional: 10, independent unconditional: 2, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 12, independent conditional: 10, independent unconditional: 2, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 661, independent: 270, independent conditional: 191, independent unconditional: 79, dependent: 390, dependent conditional: 80, dependent unconditional: 310, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 49049, independent: 47772, independent conditional: 361, independent unconditional: 47411, dependent: 664, dependent conditional: 40, dependent unconditional: 624, unknown: 613, unknown conditional: 15, unknown unconditional: 598] , Statistics on independence cache: Total cache size (in pairs): 613, Positive cache size: 598, Positive conditional cache size: 10, Positive unconditional cache size: 588, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 47965, Maximal queried relation: 3, Independence queries for same thread: 4858 - PositiveResult [Line: 110]: 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 7 procedures, 54 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 92.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 80.3s, 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: 189, 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 645 NumberOfCodeBlocks, 643 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 905 ConstructedInterpolants, 0 QuantifiedInterpolants, 12190 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1435 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 356/819 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: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-23 13:00:11,761 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