./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --full-output --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i -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 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 11:53:03,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 11:53:03,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 11:53:03,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 11:53:03,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 11:53:03,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 11:53:03,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 11:53:03,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 11:53:03,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 11:53:03,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 11:53:03,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 11:53:03,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 11:53:03,634 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 11:53:03,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 11:53:03,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 11:53:03,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 11:53:03,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 11:53:03,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 11:53:03,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 11:53:03,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 11:53:03,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 11:53:03,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 11:53:03,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 11:53:03,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 11:53:03,636 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 11:53:03,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 11:53:03,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 11:53:03,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 11:53:03,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 11:53:03,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 11:53:03,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 11:53:03,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 11:53:03,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 11:53:03,638 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 11:53:03,638 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 11:53:03,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 11:53:03,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 11:53:03,638 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 11:53:03,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 11:53:03,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 11:53:03,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 11:53:03,639 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 11:53:03,639 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 11:53:03,639 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 -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 11:53:03,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 11:53:03,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 11:53:03,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 11:53:03,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 11:53:03,935 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 11:53:03,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2024-12-17 11:53:05,287 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/00a093d69/fde3faa2287c418ea739103317190506/FLAG4e9b19b25 [2024-12-17 11:53:05,585 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 11:53:05,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2024-12-17 11:53:05,598 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/00a093d69/fde3faa2287c418ea739103317190506/FLAG4e9b19b25 [2024-12-17 11:53:05,610 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/00a093d69/fde3faa2287c418ea739103317190506 [2024-12-17 11:53:05,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 11:53:05,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 11:53:05,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 11:53:05,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 11:53:05,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 11:53:05,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:53:05" (1/1) ... [2024-12-17 11:53:05,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69460c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:05, skipping insertion in model container [2024-12-17 11:53:05,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:53:05" (1/1) ... [2024-12-17 11:53:05,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 11:53:05,793 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/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2024-12-17 11:53:05,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 11:53:05,926 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 11:53:05,937 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/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2024-12-17 11:53:05,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 11:53:06,021 INFO L204 MainTranslator]: Completed translation [2024-12-17 11:53:06,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06 WrapperNode [2024-12-17 11:53:06,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 11:53:06,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 11:53:06,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 11:53:06,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 11:53:06,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,065 INFO L138 Inliner]: procedures = 165, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-17 11:53:06,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 11:53:06,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 11:53:06,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 11:53:06,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 11:53:06,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,086 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 11:53:06,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 11:53:06,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 11:53:06,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 11:53:06,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (1/1) ... [2024-12-17 11:53:06,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 11:53:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:53:06,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 11:53:06,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 11:53:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-12-17 11:53:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-12-17 11:53:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-17 11:53:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 11:53:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 11:53:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-17 11:53:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 11:53:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 11:53:06,164 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 11:53:06,291 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 11:53:06,293 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 11:53:06,482 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 11:53:06,483 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 11:53:06,597 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 11:53:06,598 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-17 11:53:06,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:53:06 BoogieIcfgContainer [2024-12-17 11:53:06,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 11:53:06,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 11:53:06,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 11:53:06,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 11:53:06,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 11:53:05" (1/3) ... [2024-12-17 11:53:06,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1badc3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:53:06, skipping insertion in model container [2024-12-17 11:53:06,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:53:06" (2/3) ... [2024-12-17 11:53:06,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1badc3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:53:06, skipping insertion in model container [2024-12-17 11:53:06,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:53:06" (3/3) ... [2024-12-17 11:53:06,609 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2024-12-17 11:53:06,625 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 11:53:06,627 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_69-refine-protected-loop-interval_true.i that has 2 procedures, 29 locations, 1 initial locations, 3 loop locations, and 2 error locations. [2024-12-17 11:53:06,627 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 11:53:06,676 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-17 11:53:06,727 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 11:53:06,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 11:53:06,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 11:53:06,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 11:53:06,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 11:53:06,805 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 11:53:06,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerThread1of1ForFork0 ======== [2024-12-17 11:53:06,828 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;@351d1546, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 11:53:06,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-17 11:53:06,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 11:53:06,972 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:53:06,974 INFO L139 ounterexampleChecker]: Examining path program with hash -1031203314, occurence #1 [2024-12-17 11:53:06,974 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:53:06,974 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:53:06,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:53:06,979 INFO L85 PathProgramCache]: Analyzing trace with hash 19000010, now seen corresponding path program 1 times [2024-12-17 11:53:06,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:53:06,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269677685] [2024-12-17 11:53:06,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 11:53:06,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:53:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:53:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 11:53:07,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:53:07,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269677685] [2024-12-17 11:53:07,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269677685] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 11:53:07,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 11:53:07,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 11:53:07,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413261104] [2024-12-17 11:53:07,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 11:53:07,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 11:53:07,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:53:07,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 11:53:07,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 11:53:07,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:07,256 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:53:07,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 11:53:07,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:07,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:07,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 11:53:07,286 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 11:53:07,286 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:53:07,287 INFO L139 ounterexampleChecker]: Examining path program with hash 225280604, occurence #1 [2024-12-17 11:53:07,287 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:53:07,287 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:53:07,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:53:07,288 INFO L85 PathProgramCache]: Analyzing trace with hash 19001036, now seen corresponding path program 1 times [2024-12-17 11:53:07,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:53:07,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015521477] [2024-12-17 11:53:07,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 11:53:07,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:53:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:53:07,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 11:53:07,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:53:07,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015521477] [2024-12-17 11:53:07,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015521477] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 11:53:07,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 11:53:07,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 11:53:07,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900371583] [2024-12-17 11:53:07,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 11:53:07,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 11:53:07,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:53:07,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 11:53:07,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 11:53:07,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:07,448 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:53:07,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 11:53:07,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:07,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:07,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:07,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 11:53:07,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 11:53:07,883 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 11:53:07,883 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:53:07,884 INFO L139 ounterexampleChecker]: Examining path program with hash 867110163, occurence #1 [2024-12-17 11:53:07,884 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:53:07,884 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:53:07,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:53:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2022871888, now seen corresponding path program 1 times [2024-12-17 11:53:07,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:53:07,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491619342] [2024-12-17 11:53:07,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 11:53:07,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:53:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:53:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 11:53:08,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:53:08,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491619342] [2024-12-17 11:53:08,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491619342] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 11:53:08,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 11:53:08,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 11:53:08,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416146978] [2024-12-17 11:53:08,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 11:53:08,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 11:53:08,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:53:08,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 11:53:08,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 11:53:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:08,074 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:53:08,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 11:53:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 11:53:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:08,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 11:53:08,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 11:53:08,159 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 11:53:08,159 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:53:08,159 INFO L139 ounterexampleChecker]: Examining path program with hash -370985166, occurence #1 [2024-12-17 11:53:08,159 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:53:08,160 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:53:08,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:53:08,160 INFO L85 PathProgramCache]: Analyzing trace with hash -474778064, now seen corresponding path program 2 times [2024-12-17 11:53:08,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:53:08,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868505360] [2024-12-17 11:53:08,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 11:53:08,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:53:08,185 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 11:53:08,186 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 11:53:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 11:53:08,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:53:08,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868505360] [2024-12-17 11:53:08,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868505360] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 11:53:08,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 11:53:08,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 11:53:08,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137626771] [2024-12-17 11:53:08,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 11:53:08,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 11:53:08,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:53:08,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 11:53:08,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 11:53:08,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:08,210 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:53:08,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 11:53:08,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 11:53:08,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:08,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 11:53:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-17 11:53:08,278 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 11:53:08,278 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 11:53:08,278 INFO L139 ounterexampleChecker]: Examining path program with hash 852449558, occurence #1 [2024-12-17 11:53:08,278 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 11:53:08,278 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 11:53:08,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 11:53:08,279 INFO L85 PathProgramCache]: Analyzing trace with hash 19269905, now seen corresponding path program 1 times [2024-12-17 11:53:08,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 11:53:08,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144949468] [2024-12-17 11:53:08,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 11:53:08,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 11:53:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 11:53:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 11:53:08,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 11:53:08,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144949468] [2024-12-17 11:53:08,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144949468] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 11:53:08,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 11:53:08,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 11:53:08,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324047884] [2024-12-17 11:53:08,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 11:53:08,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 11:53:08,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 11:53:08,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 11:53:08,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 11:53:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:08,416 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 11:53:08,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 11:53:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 11:53:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 11:53:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 11:53:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 11:53:08,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 11:53:08,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-12-17 11:53:08,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-12-17 11:53:08,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 11:53:08,572 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-12-17 11:53:08,574 INFO L319 ceAbstractionStarter]: Result for error location workerThread1of1ForFork0 was SAFE,SAFE (1/2) [2024-12-17 11:53:08,578 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 11:53:08,581 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 11:53:08,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 11:53:08,582 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;@351d1546, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 11:53:08,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-17 11:53:08,583 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-12-17 11:53:08,585 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-12-17 11:53:08,586 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2024-12-17 11:53:08,587 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 11:53:08,587 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 11:53:08,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-12-17 11:53:08,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 11:53:08 BasicIcfg [2024-12-17 11:53:08,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 11:53:08,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-17 11:53:08,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-17 11:53:08,603 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-17 11:53:08,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:53:06" (3/4) ... [2024-12-17 11:53:08,605 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-17 11:53:08,608 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2024-12-17 11:53:08,611 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2024-12-17 11:53:08,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-17 11:53:08,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-17 11:53:08,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-17 11:53:08,675 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-12-17 11:53:08,675 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-12-17 11:53:08,675 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-17 11:53:08,676 INFO L158 Benchmark]: Toolchain (without parser) took 3061.81ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 44.3MB in the end (delta: 67.0MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2024-12-17 11:53:08,676 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 11:53:08,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.08ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 91.2MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-17 11:53:08,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.13ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 89.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 11:53:08,677 INFO L158 Benchmark]: Boogie Preprocessor took 33.62ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 88.8MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 11:53:08,677 INFO L158 Benchmark]: RCFGBuilder took 495.75ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 63.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-17 11:53:08,678 INFO L158 Benchmark]: TraceAbstraction took 2000.53ms. Allocated memory is still 142.6MB. Free memory was 62.6MB in the beginning and 49.7MB in the end (delta: 12.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-17 11:53:08,678 INFO L158 Benchmark]: Witness Printer took 73.02ms. Allocated memory is still 142.6MB. Free memory was 49.7MB in the beginning and 44.3MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 11:53:08,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.08ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 91.2MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.13ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 89.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.62ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 88.8MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 495.75ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 63.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2000.53ms. Allocated memory is still 142.6MB. Free memory was 62.6MB in the beginning and 49.7MB in the end (delta: 12.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 73.02ms. Allocated memory is still 142.6MB. Free memory was 49.7MB in the beginning and 44.3MB in the end (delta: 5.4MB). There was no memory consumed. 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: 862, independent: 701, independent conditional: 306, independent unconditional: 395, dependent: 161, dependent conditional: 153, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 714, independent: 701, independent conditional: 306, independent unconditional: 395, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 714, independent: 701, independent conditional: 306, independent unconditional: 395, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 722, independent: 701, independent conditional: 306, independent unconditional: 395, dependent: 21, dependent conditional: 13, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 722, independent: 701, independent conditional: 0, independent unconditional: 701, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 722, independent: 701, independent conditional: 0, independent unconditional: 701, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 264, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 264, independent: 247, independent conditional: 0, independent unconditional: 247, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 437, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 336, dependent conditional: 117, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 722, independent: 449, independent conditional: 0, independent unconditional: 449, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 264, unknown conditional: 4, unknown unconditional: 260] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 252, Positive conditional cache size: 0, Positive unconditional cache size: 252, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 313, Maximal queried relation: 2, Independence queries for same thread: 148, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 95, Number of trivial persistent sets: 86, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 403, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 862, independent: 701, independent conditional: 306, independent unconditional: 395, dependent: 161, dependent conditional: 153, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 714, independent: 701, independent conditional: 306, independent unconditional: 395, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 714, independent: 701, independent conditional: 306, independent unconditional: 395, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 722, independent: 701, independent conditional: 306, independent unconditional: 395, dependent: 21, dependent conditional: 13, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 722, independent: 701, independent conditional: 0, independent unconditional: 701, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 722, independent: 701, independent conditional: 0, independent unconditional: 701, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 264, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 264, independent: 247, independent conditional: 0, independent unconditional: 247, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 437, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 336, dependent conditional: 117, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 722, independent: 449, independent conditional: 0, independent unconditional: 449, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 264, unknown conditional: 4, unknown unconditional: 260] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 252, Positive conditional cache size: 0, Positive unconditional cache size: 252, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 313, Maximal queried relation: 2, Independence queries for same thread: 148 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 252, Positive conditional cache size: 0, Positive unconditional cache size: 252, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 2, Number of trivial persistent sets: 2, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 252, Positive conditional cache size: 0, Positive unconditional cache size: 252, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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: workerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 50 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.9s, 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: 20, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 50 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-17 11:53:08,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE