./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled.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 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 21:15:25,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 21:15:25,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 21:15:25,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 21:15:25,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 21:15:25,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 21:15:25,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 21:15:25,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 21:15:25,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 21:15:25,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 21:15:25,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 21:15:25,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 21:15:25,411 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 21:15:25,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 21:15:25,412 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 21:15:25,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 21:15:25,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 21:15:25,413 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 21:15:25,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 21:15:25,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 21:15:25,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 21:15:25,414 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 21:15:25,414 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 21:15:25,414 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 -> 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 21:15:25,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 21:15:25,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 21:15:25,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 21:15:25,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 21:15:25,614 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 21:15:25,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled.wvr.c [2024-12-17 21:15:26,670 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/42bd3be20/65ee4d003a2744d9994d581fe57d9393/FLAG5cbf2abbe [2024-12-17 21:15:26,888 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 21:15:26,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled.wvr.c [2024-12-17 21:15:26,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/42bd3be20/65ee4d003a2744d9994d581fe57d9393/FLAG5cbf2abbe [2024-12-17 21:15:27,228 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/42bd3be20/65ee4d003a2744d9994d581fe57d9393 [2024-12-17 21:15:27,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 21:15:27,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 21:15:27,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 21:15:27,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 21:15:27,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 21:15:27,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e32cc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27, skipping insertion in model container [2024-12-17 21:15:27,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 21:15:27,336 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/parallel-misc-2-unrolled.wvr.c[2043,2056] [2024-12-17 21:15:27,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 21:15:27,343 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 21:15:27,353 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/parallel-misc-2-unrolled.wvr.c[2043,2056] [2024-12-17 21:15:27,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 21:15:27,361 INFO L204 MainTranslator]: Completed translation [2024-12-17 21:15:27,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27 WrapperNode [2024-12-17 21:15:27,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 21:15:27,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 21:15:27,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 21:15:27,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 21:15:27,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,376 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-12-17 21:15:27,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 21:15:27,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 21:15:27,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 21:15:27,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 21:15:27,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 21:15:27,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 21:15:27,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 21:15:27,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 21:15:27,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (1/1) ... [2024-12-17 21:15:27,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 21:15:27,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:15:27,409 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 21:15:27,411 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 21:15:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 21:15:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 21:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 21:15:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 21:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 21:15:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 21:15:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 21:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 21:15:27,425 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 21:15:27,472 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 21:15:27,473 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 21:15:27,620 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 21:15:27,621 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 21:15:27,692 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 21:15:27,692 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 21:15:27,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:15:27 BoogieIcfgContainer [2024-12-17 21:15:27,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 21:15:27,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 21:15:27,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 21:15:27,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 21:15:27,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 09:15:27" (1/3) ... [2024-12-17 21:15:27,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc10fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:15:27, skipping insertion in model container [2024-12-17 21:15:27,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:15:27" (2/3) ... [2024-12-17 21:15:27,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc10fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:15:27, skipping insertion in model container [2024-12-17 21:15:27,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:15:27" (3/3) ... [2024-12-17 21:15:27,700 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2024-12-17 21:15:27,709 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 21:15:27,710 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-2-unrolled.wvr.c that has 3 procedures, 27 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-17 21:15:27,710 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 21:15:27,743 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 21:15:27,773 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 21:15:27,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 21:15:27,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:15:27,777 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 21:15:27,779 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 21:15:27,830 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 21:15:27,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 21:15:27,847 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;@240ab8a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 21:15:27,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 21:15:28,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:15:28,045 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:15:28,047 INFO L139 ounterexampleChecker]: Examining path program with hash 1636303577, occurence #1 [2024-12-17 21:15:28,047 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:15:28,047 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:15:28,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:15:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1375042254, now seen corresponding path program 1 times [2024-12-17 21:15:28,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:15:28,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951788264] [2024-12-17 21:15:28,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:15:28,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:15:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:15:28,296 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 21:15:28,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:15:28,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951788264] [2024-12-17 21:15:28,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951788264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 21:15:28,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 21:15:28,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 21:15:28,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180154180] [2024-12-17 21:15:28,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:15:28,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 21:15:28,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:15:28,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 21:15:28,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 21:15:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:15:28,313 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:15:28,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 21:15:28,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:15:28,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:15:28,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 21:15:28,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:15:28,417 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:15:28,417 INFO L139 ounterexampleChecker]: Examining path program with hash -80882546, occurence #1 [2024-12-17 21:15:28,417 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:15:28,417 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:15:28,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:15:28,417 INFO L85 PathProgramCache]: Analyzing trace with hash -499215929, now seen corresponding path program 1 times [2024-12-17 21:15:28,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:15:28,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698393875] [2024-12-17 21:15:28,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:15:28,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:15:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:15:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 21:15:28,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:15:28,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698393875] [2024-12-17 21:15:28,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698393875] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 21:15:28,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 21:15:28,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 21:15:28,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017739250] [2024-12-17 21:15:28,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:15:28,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 21:15:28,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:15:28,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 21:15:28,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 21:15:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:15:28,714 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:15:28,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 21:15:28,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:15:28,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:15:28,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:15:28,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:15:28,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 21:15:28,811 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:15:28,811 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:15:28,811 INFO L139 ounterexampleChecker]: Examining path program with hash -1344796, occurence #1 [2024-12-17 21:15:28,811 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:15:28,811 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:15:28,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:15:28,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1766842688, now seen corresponding path program 2 times [2024-12-17 21:15:28,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:15:28,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169658309] [2024-12-17 21:15:28,811 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:15:28,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:15:28,846 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:15:28,847 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:15:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-17 21:15:29,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:15:29,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169658309] [2024-12-17 21:15:29,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169658309] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 21:15:29,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 21:15:29,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 21:15:29,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881587043] [2024-12-17 21:15:29,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:15:29,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 21:15:29,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:15:29,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 21:15:29,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-17 21:15:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:15:29,144 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:15:29,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 21:15:29,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:15:29,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:15:29,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:15:29,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:15:29,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:15:29,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:15:29,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-17 21:15:29,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-12-17 21:15:29,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-12-17 21:15:29,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 21:15:29,404 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1] [2024-12-17 21:15:29,406 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 21:15:29,406 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 21:15:29,415 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 21:15:29,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 09:15:29 BasicIcfg [2024-12-17 21:15:29,417 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 21:15:29,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-17 21:15:29,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-17 21:15:29,417 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-17 21:15:29,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:15:27" (3/4) ... [2024-12-17 21:15:29,420 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-17 21:15:29,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-17 21:15:29,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-17 21:15:29,426 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2024-12-17 21:15:29,427 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-17 21:15:29,427 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-17 21:15:29,427 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-17 21:15:29,478 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-12-17 21:15:29,480 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-12-17 21:15:29,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-17 21:15:29,480 INFO L158 Benchmark]: Toolchain (without parser) took 2250.12ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 44.9MB in the end (delta: 83.6MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2024-12-17 21:15:29,481 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 21:15:29,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 130.06ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 117.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 21:15:29,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.79ms. Allocated memory is still 167.8MB. Free memory was 117.0MB in the beginning and 115.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 21:15:29,481 INFO L158 Benchmark]: Boogie Preprocessor took 9.74ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 115.0MB in the end (delta: 965.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 21:15:29,481 INFO L158 Benchmark]: RCFGBuilder took 306.07ms. Allocated memory is still 167.8MB. Free memory was 115.0MB in the beginning and 94.6MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-17 21:15:29,481 INFO L158 Benchmark]: TraceAbstraction took 1721.81ms. Allocated memory is still 167.8MB. Free memory was 94.2MB in the beginning and 51.1MB in the end (delta: 43.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-12-17 21:15:29,481 INFO L158 Benchmark]: Witness Printer took 62.78ms. Allocated memory is still 167.8MB. Free memory was 51.1MB in the beginning and 44.9MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 21:15:29,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 130.06ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 117.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 14.79ms. Allocated memory is still 167.8MB. Free memory was 117.0MB in the beginning and 115.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 9.74ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 115.0MB in the end (delta: 965.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 306.07ms. Allocated memory is still 167.8MB. Free memory was 115.0MB in the beginning and 94.6MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1721.81ms. Allocated memory is still 167.8MB. Free memory was 94.2MB in the beginning and 51.1MB in the end (delta: 43.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 62.78ms. Allocated memory is still 167.8MB. Free memory was 51.1MB in the beginning and 44.9MB in the end (delta: 6.2MB). 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: 1282, independent: 1062, independent conditional: 734, independent unconditional: 328, dependent: 220, dependent conditional: 210, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1111, independent: 1062, independent conditional: 734, independent unconditional: 328, dependent: 49, dependent conditional: 39, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1111, independent: 1062, independent conditional: 734, independent unconditional: 328, dependent: 49, dependent conditional: 39, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1179, independent: 1062, independent conditional: 734, independent unconditional: 328, dependent: 117, dependent conditional: 107, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1179, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 117, dependent conditional: 45, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1179, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 117, dependent conditional: 45, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 275, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 275, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 203, dependent conditional: 91, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1179, independent: 811, independent conditional: 0, independent unconditional: 811, dependent: 93, dependent conditional: 31, dependent unconditional: 62, unknown: 275, unknown conditional: 14, unknown unconditional: 261] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 251, Positive conditional cache size: 0, Positive unconditional cache size: 251, Negative cache size: 24, Negative conditional cache size: 14, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 796, Maximal queried relation: 3, Independence queries for same thread: 171, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 136, Number of trivial persistent sets: 108, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 338, independent: 328, independent conditional: 0, independent unconditional: 328, 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: 1282, independent: 1062, independent conditional: 734, independent unconditional: 328, dependent: 220, dependent conditional: 210, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1111, independent: 1062, independent conditional: 734, independent unconditional: 328, dependent: 49, dependent conditional: 39, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1111, independent: 1062, independent conditional: 734, independent unconditional: 328, dependent: 49, dependent conditional: 39, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1179, independent: 1062, independent conditional: 734, independent unconditional: 328, dependent: 117, dependent conditional: 107, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1179, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 117, dependent conditional: 45, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1179, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 117, dependent conditional: 45, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 275, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 275, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 203, dependent conditional: 91, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1179, independent: 811, independent conditional: 0, independent unconditional: 811, dependent: 93, dependent conditional: 31, dependent unconditional: 62, unknown: 275, unknown conditional: 14, unknown unconditional: 261] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 251, Positive conditional cache size: 0, Positive unconditional cache size: 251, Negative cache size: 24, Negative conditional cache size: 14, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 796, Maximal queried relation: 3, Independence queries for same thread: 171 - PositiveResult [Line: 78]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 43 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, 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: 16, 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, 0.7s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 23/23 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-17 21:15:29,496 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