./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 06:33:26,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 06:33:26,272 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 06:33:26,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 06:33:26,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 06:33:26,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 06:33:26,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 06:33:26,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 06:33:26,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 06:33:26,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 06:33:26,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 06:33:26,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 06:33:26,309 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 06:33:26,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 06:33:26,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 06:33:26,311 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 06:33:26,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 06:33:26,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 06:33:26,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 06:33:26,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 06:33:26,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 06:33:26,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 06:33:26,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 06:33:26,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 06:33:26,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 06:33:26,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 06:33:26,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 06:33:26,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 06:33:26,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 06:33:26,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 06:33:26,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 06:33:26,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 06:33:26,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 06:33:26,316 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 06:33:26,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 06:33:26,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 06:33:26,317 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 06:33:26,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 06:33:26,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 06:33:26,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 06:33:26,317 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 06:33:26,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release 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/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 -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 213 [2024-10-18 06:33:26,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 06:33:26,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 06:33:26,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 06:33:26,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 06:33:26,556 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 06:33:26,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c [2024-10-18 06:33:27,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 06:33:27,958 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 06:33:27,958 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c [2024-10-18 06:33:27,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4ddce6023/248afee7c5124533a328cc09f77225a7/FLAG91e0fb25b [2024-10-18 06:33:28,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4ddce6023/248afee7c5124533a328cc09f77225a7 [2024-10-18 06:33:28,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 06:33:28,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 06:33:28,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 06:33:28,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 06:33:28,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 06:33:28,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3feb02cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28, skipping insertion in model container [2024-10-18 06:33:28,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 06:33:28,611 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c[3072,3085] [2024-10-18 06:33:28,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 06:33:28,627 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 06:33:28,641 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c[3072,3085] [2024-10-18 06:33:28,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 06:33:28,660 INFO L204 MainTranslator]: Completed translation [2024-10-18 06:33:28,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28 WrapperNode [2024-10-18 06:33:28,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 06:33:28,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 06:33:28,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 06:33:28,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 06:33:28,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,689 INFO L138 Inliner]: procedures = 20, calls = 49, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2024-10-18 06:33:28,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 06:33:28,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 06:33:28,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 06:33:28,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 06:33:28,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 06:33:28,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 06:33:28,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 06:33:28,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 06:33:28,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (1/1) ... [2024-10-18 06:33:28,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 06:33:28,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 06:33:28,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 06:33:28,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 06:33:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 06:33:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 06:33:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 06:33:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 06:33:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 06:33:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 06:33:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 06:33:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 06:33:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 06:33:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 06:33:28,784 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 06:33:28,851 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 06:33:28,853 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 06:33:28,981 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 06:33:28,981 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 06:33:29,053 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 06:33:29,054 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 06:33:29,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:33:29 BoogieIcfgContainer [2024-10-18 06:33:29,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 06:33:29,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 06:33:29,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 06:33:29,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 06:33:29,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 06:33:28" (1/3) ... [2024-10-18 06:33:29,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793c99c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:33:29, skipping insertion in model container [2024-10-18 06:33:29,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:33:28" (2/3) ... [2024-10-18 06:33:29,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793c99c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:33:29, skipping insertion in model container [2024-10-18 06:33:29,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:33:29" (3/3) ... [2024-10-18 06:33:29,060 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy6.wvr.c [2024-10-18 06:33:29,076 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 06:33:29,076 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 06:33:29,076 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 06:33:29,104 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-18 06:33:29,134 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 06:33:29,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 06:33:29,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 06:33:29,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 06:33:29,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 06:33:29,209 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 06:33:29,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 06:33:29,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 06:33:29,231 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;@441af1e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-18 06:33:29,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 06:33:29,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 06:33:29,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 06:33:29,533 INFO L85 PathProgramCache]: Analyzing trace with hash -2106834043, now seen corresponding path program 1 times [2024-10-18 06:33:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 06:33:29,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607820205] [2024-10-18 06:33:29,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:29,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:29,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 06:33:29,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607820205] [2024-10-18 06:33:29,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607820205] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 06:33:29,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 06:33:29,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 06:33:29,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484298627] [2024-10-18 06:33:29,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 06:33:29,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 06:33:29,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 06:33:29,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 06:33:29,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-18 06:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:29,983 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 06:33:29,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 06:33:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:30,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:30,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 06:33:30,190 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 06:33:30,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 06:33:30,202 INFO L85 PathProgramCache]: Analyzing trace with hash 620789723, now seen corresponding path program 2 times [2024-10-18 06:33:30,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 06:33:30,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132306945] [2024-10-18 06:33:30,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:30,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:30,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 06:33:30,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132306945] [2024-10-18 06:33:30,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132306945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 06:33:30,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 06:33:30,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 06:33:30,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644684195] [2024-10-18 06:33:30,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 06:33:30,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 06:33:30,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 06:33:30,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 06:33:30,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 06:33:30,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:30,297 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 06:33:30,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 06:33:30,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:30,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 06:33:30,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 06:33:30,522 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 06:33:30,556 INFO L85 PathProgramCache]: Analyzing trace with hash 455720666, now seen corresponding path program 1 times [2024-10-18 06:33:30,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:30,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 06:33:30,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 06:33:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 06:33:30,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2141669763, now seen corresponding path program 1 times [2024-10-18 06:33:30,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:30,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:30,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 06:33:30,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 06:33:30,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 06:33:30,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:30,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 06:33:30,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-10-18 06:33:30,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:30,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 06:33:30,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:30,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 06:33:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:30,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-10-18 06:33:30,732 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 06:33:30,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 06:33:30,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1906276333, now seen corresponding path program 3 times [2024-10-18 06:33:30,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 06:33:30,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888521661] [2024-10-18 06:33:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:30,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:30,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 06:33:30,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888521661] [2024-10-18 06:33:30,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888521661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 06:33:30,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 06:33:30,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 06:33:30,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307585984] [2024-10-18 06:33:30,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 06:33:30,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 06:33:30,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 06:33:30,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 06:33:30,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-18 06:33:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:30,875 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 06:33:30,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 06:33:30,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:30,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 06:33:30,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:30,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 06:33:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 06:33:31,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-18 06:33:31,066 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 06:33:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash -602717966, now seen corresponding path program 1 times [2024-10-18 06:33:31,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:31,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:31,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:31,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:31,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 06:33:31,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 06:33:31,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 06:33:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:31,220 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 06:33:31,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-18 06:33:31,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:31,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 06:33:31,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 06:33:31,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 06:33:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 06:33:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-18 06:33:31,306 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 06:33:31,333 INFO L85 PathProgramCache]: Analyzing trace with hash 142290584, now seen corresponding path program 1 times [2024-10-18 06:33:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:31,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 06:33:31,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 06:33:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 06:33:31,372 INFO L85 PathProgramCache]: Analyzing trace with hash -578178906, now seen corresponding path program 1 times [2024-10-18 06:33:31,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:31,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 06:33:31,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 06:33:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 06:33:31,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1587050705, now seen corresponding path program 1 times [2024-10-18 06:33:31,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:31,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:31,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:31,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:31,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 06:33:31,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 06:33:31,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-18 06:33:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:31,571 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 06:33:31,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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) [2024-10-18 06:33:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 06:33:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 06:33:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 06:33:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 06:33:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 06:33:31,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-10-18 06:33:31,760 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 06:33:31,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 06:33:31,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1143182437, now seen corresponding path program 4 times [2024-10-18 06:33:31,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 06:33:31,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224164583] [2024-10-18 06:33:31,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 06:33:31,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 06:33:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 06:33:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 06:33:31,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 06:33:31,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224164583] [2024-10-18 06:33:31,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224164583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 06:33:31,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 06:33:31,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 06:33:31,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314029808] [2024-10-18 06:33:31,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 06:33:31,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 06:33:31,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 06:33:31,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 06:33:31,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-18 06:33:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:31,876 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 06:33:31,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 06:33:31,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:31,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 06:33:31,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 06:33:31,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:31,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 06:33:31,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 06:33:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 06:33:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 06:33:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 06:33:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 06:33:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 06:33:32,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-18 06:33:32,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-18 06:33:32,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-18 06:33:32,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-18 06:33:32,035 INFO L414 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2024-10-18 06:33:32,037 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 06:33:32,041 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 06:33:32,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 06:33:32 BasicIcfg [2024-10-18 06:33:32,046 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 06:33:32,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 06:33:32,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 06:33:32,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 06:33:32,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:33:29" (3/4) ... [2024-10-18 06:33:32,049 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 06:33:32,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-18 06:33:32,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-18 06:33:32,056 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-10-18 06:33:32,056 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-18 06:33:32,057 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-18 06:33:32,057 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 06:33:32,117 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 06:33:32,117 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 06:33:32,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 06:33:32,117 INFO L158 Benchmark]: Toolchain (without parser) took 3754.19ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 89.6MB in the beginning and 120.2MB in the end (delta: -30.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-10-18 06:33:32,118 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 06:33:32,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.06ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 119.9MB in the end (delta: -30.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-10-18 06:33:32,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.99ms. Allocated memory is still 157.3MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 06:33:32,119 INFO L158 Benchmark]: Boogie Preprocessor took 16.28ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 116.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 06:33:32,119 INFO L158 Benchmark]: RCFGBuilder took 347.95ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 94.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-18 06:33:32,119 INFO L158 Benchmark]: TraceAbstraction took 2990.05ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 93.3MB in the beginning and 124.4MB in the end (delta: -31.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-10-18 06:33:32,119 INFO L158 Benchmark]: Witness Printer took 70.60ms. Allocated memory is still 188.7MB. Free memory was 124.4MB in the beginning and 120.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 06:33:32,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.06ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 119.9MB in the end (delta: -30.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.99ms. Allocated memory is still 157.3MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.28ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 116.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.95ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 94.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2990.05ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 93.3MB in the beginning and 124.4MB in the end (delta: -31.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 70.60ms. Allocated memory is still 188.7MB. Free memory was 124.4MB in the beginning and 120.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 2074, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 84, dependent conditional: 58, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2074, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 84, dependent conditional: 58, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2074, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 84, dependent conditional: 58, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2074, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 84, dependent conditional: 58, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 339, dependent conditional: 287, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 8, independent unconditional: 1982, dependent: 339, dependent conditional: 84, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 8, independent unconditional: 1982, dependent: 339, dependent conditional: 84, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 477, independent: 423, independent conditional: 3, independent unconditional: 420, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 477, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 670, independent: 137, independent conditional: 34, independent unconditional: 103, dependent: 533, dependent conditional: 216, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2329, independent: 1567, independent conditional: 5, independent unconditional: 1562, dependent: 285, dependent conditional: 56, dependent unconditional: 229, unknown: 477, unknown conditional: 31, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 477, Positive cache size: 423, Positive conditional cache size: 3, Positive unconditional cache size: 420, Negative cache size: 54, Negative conditional cache size: 28, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1765, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 339, dependent conditional: 287, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 8, independent unconditional: 1982, dependent: 339, dependent conditional: 84, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 8, independent unconditional: 1982, dependent: 339, dependent conditional: 84, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 477, independent: 423, independent conditional: 3, independent unconditional: 420, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 477, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 670, independent: 137, independent conditional: 34, independent unconditional: 103, dependent: 533, dependent conditional: 216, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2329, independent: 1567, independent conditional: 5, independent unconditional: 1562, dependent: 285, dependent conditional: 56, dependent unconditional: 229, unknown: 477, unknown conditional: 31, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 477, Positive cache size: 423, Positive conditional cache size: 3, Positive unconditional cache size: 420, Negative cache size: 54, Negative conditional cache size: 28, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1765 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 129, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 420, independent conditional: 0, independent unconditional: 420, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2074, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 84, dependent conditional: 58, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2074, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 84, dependent conditional: 58, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2074, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 84, dependent conditional: 58, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2074, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 84, dependent conditional: 58, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 339, dependent conditional: 287, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 8, independent unconditional: 1982, dependent: 339, dependent conditional: 84, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 8, independent unconditional: 1982, dependent: 339, dependent conditional: 84, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 477, independent: 423, independent conditional: 3, independent unconditional: 420, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 477, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 670, independent: 137, independent conditional: 34, independent unconditional: 103, dependent: 533, dependent conditional: 216, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2329, independent: 1567, independent conditional: 5, independent unconditional: 1562, dependent: 285, dependent conditional: 56, dependent unconditional: 229, unknown: 477, unknown conditional: 31, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 477, Positive cache size: 423, Positive conditional cache size: 3, Positive unconditional cache size: 420, Negative cache size: 54, Negative conditional cache size: 28, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1765, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 1570, independent unconditional: 420, dependent: 339, dependent conditional: 287, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 8, independent unconditional: 1982, dependent: 339, dependent conditional: 84, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2329, independent: 1990, independent conditional: 8, independent unconditional: 1982, dependent: 339, dependent conditional: 84, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 477, independent: 423, independent conditional: 3, independent unconditional: 420, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 477, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 670, independent: 137, independent conditional: 34, independent unconditional: 103, dependent: 533, dependent conditional: 216, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2329, independent: 1567, independent conditional: 5, independent unconditional: 1562, dependent: 285, dependent conditional: 56, dependent unconditional: 229, unknown: 477, unknown conditional: 31, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 477, Positive cache size: 423, Positive conditional cache size: 3, Positive unconditional cache size: 420, Negative cache size: 54, Negative conditional cache size: 28, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1765 ], Independence queries for same thread: 0 - PositiveResult [Line: 116]: 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, 61 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 1.4s, 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: 44, 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, 0.5s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: ConditionalCommutativityOverallTime: 0.6s, ConditionalCommutativityCheckTime: 0.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 3, ConditionalCommutativityConditionCalculations: 6, ConditionalCommutativityTraceChecks: 6, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 06:33:32,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 06:33:32,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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