./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -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 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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 [2024-10-19 08:18:14,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 08:18:14,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 08:18:14,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 08:18:14,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 08:18:14,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 08:18:14,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 08:18:14,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 08:18:14,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 08:18:14,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 08:18:14,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 08:18:14,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 08:18:14,321 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 08:18:14,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 08:18:14,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 08:18:14,322 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 08:18:14,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 08:18:14,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 08:18:14,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 08:18:14,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 08:18:14,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 08:18:14,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 08:18:14,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 08:18:14,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 08:18:14,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 08:18:14,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 08:18:14,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 08:18:14,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 08:18:14,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 08:18:14,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 08:18:14,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 08:18:14,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 08:18:14,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 08:18:14,328 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 08:18:14,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 08:18:14,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 08:18:14,329 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 08:18:14,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 08:18:14,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 08:18:14,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 08:18:14,331 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 08:18:14,331 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 -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c 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 -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-19 08:18:14,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 08:18:14,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 08:18:14,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 08:18:14,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 08:18:14,607 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 08:18:14,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-10-19 08:18:15,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 08:18:16,209 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 08:18:16,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-10-19 08:18:16,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/94dc247e5/c919058f99564869877328f838f25316/FLAG38aa51e41 [2024-10-19 08:18:16,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/94dc247e5/c919058f99564869877328f838f25316 [2024-10-19 08:18:16,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 08:18:16,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 08:18:16,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 08:18:16,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 08:18:16,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 08:18:16,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec12788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16, skipping insertion in model container [2024-10-19 08:18:16,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 08:18:16,497 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2024-10-19 08:18:16,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 08:18:16,669 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 08:18:16,680 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2024-10-19 08:18:16,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 08:18:16,757 INFO L204 MainTranslator]: Completed translation [2024-10-19 08:18:16,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16 WrapperNode [2024-10-19 08:18:16,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 08:18:16,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 08:18:16,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 08:18:16,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 08:18:16,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,799 INFO L138 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2024-10-19 08:18:16,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 08:18:16,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 08:18:16,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 08:18:16,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 08:18:16,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 08:18:16,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 08:18:16,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 08:18:16,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 08:18:16,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (1/1) ... [2024-10-19 08:18:16,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 08:18:16,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 08:18:16,871 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) [2024-10-19 08:18:16,873 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 [2024-10-19 08:18:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-19 08:18:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 08:18:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-19 08:18:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-19 08:18:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 08:18:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-19 08:18:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 08:18:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 08:18:16,922 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 08:18:17,062 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 08:18:17,065 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 08:18:17,210 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 08:18:17,210 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 08:18:17,320 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 08:18:17,320 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 08:18:17,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:18:17 BoogieIcfgContainer [2024-10-19 08:18:17,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 08:18:17,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 08:18:17,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 08:18:17,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 08:18:17,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 08:18:16" (1/3) ... [2024-10-19 08:18:17,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519257aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 08:18:17, skipping insertion in model container [2024-10-19 08:18:17,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:18:16" (2/3) ... [2024-10-19 08:18:17,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519257aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 08:18:17, skipping insertion in model container [2024-10-19 08:18:17,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:18:17" (3/3) ... [2024-10-19 08:18:17,334 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-10-19 08:18:17,353 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 08:18:17,353 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 08:18:17,353 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 08:18:17,382 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 08:18:17,428 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 08:18:17,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 08:18:17,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 08:18:17,432 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) [2024-10-19 08:18:17,434 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 [2024-10-19 08:18:17,508 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 08:18:17,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 08:18:17,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 08:18:17,533 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;@6fe0f85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 08:18:17,533 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-19 08:18:17,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 08:18:17,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 08:18:17,962 INFO L85 PathProgramCache]: Analyzing trace with hash 2074550844, now seen corresponding path program 1 times [2024-10-19 08:18:17,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 08:18:17,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537864131] [2024-10-19 08:18:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 08:18:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 08:18:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 08:18:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 08:18:18,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 08:18:18,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537864131] [2024-10-19 08:18:18,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537864131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 08:18:18,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 08:18:18,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-19 08:18:18,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774119477] [2024-10-19 08:18:18,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 08:18:18,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-19 08:18:18,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 08:18:18,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 08:18:18,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-19 08:18:18,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 08:18:18,434 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 08:18:18,435 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) [2024-10-19 08:18:18,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 08:18:18,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:18,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-19 08:18:18,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 08:18:18,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 08:18:18,852 INFO L85 PathProgramCache]: Analyzing trace with hash 760086748, now seen corresponding path program 2 times [2024-10-19 08:18:18,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 08:18:18,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921541680] [2024-10-19 08:18:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 08:18:18,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 08:18:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 08:18:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 08:18:19,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 08:18:19,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921541680] [2024-10-19 08:18:19,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921541680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 08:18:19,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 08:18:19,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 08:18:19,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035990177] [2024-10-19 08:18:19,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 08:18:19,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-19 08:18:19,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 08:18:19,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 08:18:19,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-19 08:18:19,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 08:18:19,089 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 08:18:19,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 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) [2024-10-19 08:18:19,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:19,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 08:18:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:19,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-19 08:18:19,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 08:18:19,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 08:18:19,301 INFO L85 PathProgramCache]: Analyzing trace with hash 7207344, now seen corresponding path program 3 times [2024-10-19 08:18:19,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 08:18:19,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024738647] [2024-10-19 08:18:19,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 08:18:19,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 08:18:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 08:18:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 08:18:19,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 08:18:19,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024738647] [2024-10-19 08:18:19,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024738647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 08:18:19,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 08:18:19,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 08:18:19,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302508866] [2024-10-19 08:18:19,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 08:18:19,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-19 08:18:19,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 08:18:19,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 08:18:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-19 08:18:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 08:18:19,469 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 08:18:19,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 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) [2024-10-19 08:18:19,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:19,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:19,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 08:18:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 08:18:19,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-19 08:18:19,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 08:18:19,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 08:18:19,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1010966815, now seen corresponding path program 1 times [2024-10-19 08:18:19,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 08:18:19,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495013717] [2024-10-19 08:18:19,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 08:18:19,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 08:18:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 08:18:19,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 08:18:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 08:18:19,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-19 08:18:19,605 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-19 08:18:19,607 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-10-19 08:18:19,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-19 08:18:19,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-19 08:18:19,618 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1] [2024-10-19 08:18:19,647 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-19 08:18:19,647 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-19 08:18:19,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 08:18:19 BasicIcfg [2024-10-19 08:18:19,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-19 08:18:19,651 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-19 08:18:19,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-19 08:18:19,651 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-19 08:18:19,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:18:17" (3/4) ... [2024-10-19 08:18:19,653 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-19 08:18:19,694 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-19 08:18:19,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-19 08:18:19,694 INFO L158 Benchmark]: Toolchain (without parser) took 3445.95ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 120.0MB in the beginning and 169.1MB in the end (delta: -49.1MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-10-19 08:18:19,695 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 08:18:19,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.64ms. Allocated memory is still 176.2MB. Free memory was 120.0MB in the beginning and 98.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-19 08:18:19,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.72ms. Allocated memory is still 176.2MB. Free memory was 98.9MB in the beginning and 96.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-19 08:18:19,696 INFO L158 Benchmark]: Boogie Preprocessor took 22.85ms. Allocated memory is still 176.2MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 08:18:19,696 INFO L158 Benchmark]: RCFGBuilder took 497.20ms. Allocated memory is still 176.2MB. Free memory was 95.5MB in the beginning and 72.5MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-19 08:18:19,697 INFO L158 Benchmark]: TraceAbstraction took 2326.73ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 71.1MB in the beginning and 172.2MB in the end (delta: -101.2MB). Peak memory consumption was 887.8kB. Max. memory is 16.1GB. [2024-10-19 08:18:19,697 INFO L158 Benchmark]: Witness Printer took 42.72ms. Allocated memory is still 276.8MB. Free memory was 172.2MB in the beginning and 169.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-19 08:18:19,698 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.64ms. Allocated memory is still 176.2MB. Free memory was 120.0MB in the beginning and 98.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.72ms. Allocated memory is still 176.2MB. Free memory was 98.9MB in the beginning and 96.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.85ms. Allocated memory is still 176.2MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.20ms. Allocated memory is still 176.2MB. Free memory was 95.5MB in the beginning and 72.5MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2326.73ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 71.1MB in the beginning and 172.2MB in the end (delta: -101.2MB). Peak memory consumption was 887.8kB. Max. memory is 16.1GB. * Witness Printer took 42.72ms. Allocated memory is still 276.8MB. Free memory was 172.2MB in the beginning and 169.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 406, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 27, dependent conditional: 13, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 406, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 27, dependent conditional: 13, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 406, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 27, dependent conditional: 13, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 406, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 27, dependent conditional: 13, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 63, dependent conditional: 35, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 442, independent: 379, independent conditional: 31, independent unconditional: 348, dependent: 63, dependent conditional: 3, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 442, independent: 379, independent conditional: 31, independent unconditional: 348, dependent: 63, dependent conditional: 3, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 180, independent conditional: 6, independent unconditional: 174, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 824, independent: 355, independent conditional: 6, independent unconditional: 349, dependent: 469, dependent conditional: 44, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 442, independent: 199, independent conditional: 25, independent unconditional: 174, dependent: 48, dependent conditional: 1, dependent unconditional: 47, unknown: 195, unknown conditional: 8, unknown unconditional: 187] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 180, Positive conditional cache size: 6, Positive unconditional cache size: 174, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 186, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 63, dependent conditional: 35, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 442, independent: 379, independent conditional: 31, independent unconditional: 348, dependent: 63, dependent conditional: 3, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 442, independent: 379, independent conditional: 31, independent unconditional: 348, dependent: 63, dependent conditional: 3, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 180, independent conditional: 6, independent unconditional: 174, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 824, independent: 355, independent conditional: 6, independent unconditional: 349, dependent: 469, dependent conditional: 44, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 442, independent: 199, independent conditional: 25, independent unconditional: 174, dependent: 48, dependent conditional: 1, dependent unconditional: 47, unknown: 195, unknown conditional: 8, unknown unconditional: 187] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 180, Positive conditional cache size: 6, Positive unconditional cache size: 174, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 186 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 67, Number of trivial persistent sets: 67, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 187, independent: 174, independent conditional: 0, independent unconditional: 174, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 406, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 27, dependent conditional: 13, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 406, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 27, dependent conditional: 13, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 406, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 27, dependent conditional: 13, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 406, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 27, dependent conditional: 13, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 63, dependent conditional: 35, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 442, independent: 379, independent conditional: 31, independent unconditional: 348, dependent: 63, dependent conditional: 3, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 442, independent: 379, independent conditional: 31, independent unconditional: 348, dependent: 63, dependent conditional: 3, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 180, independent conditional: 6, independent unconditional: 174, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 824, independent: 355, independent conditional: 6, independent unconditional: 349, dependent: 469, dependent conditional: 44, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 442, independent: 199, independent conditional: 25, independent unconditional: 174, dependent: 48, dependent conditional: 1, dependent unconditional: 47, unknown: 195, unknown conditional: 8, unknown unconditional: 187] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 180, Positive conditional cache size: 6, Positive unconditional cache size: 174, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 186, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, independent: 379, independent conditional: 185, independent unconditional: 194, dependent: 63, dependent conditional: 35, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 442, independent: 379, independent conditional: 31, independent unconditional: 348, dependent: 63, dependent conditional: 3, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 442, independent: 379, independent conditional: 31, independent unconditional: 348, dependent: 63, dependent conditional: 3, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 180, independent conditional: 6, independent unconditional: 174, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 824, independent: 355, independent conditional: 6, independent unconditional: 349, dependent: 469, dependent conditional: 44, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 442, independent: 199, independent conditional: 25, independent unconditional: 174, dependent: 48, dependent conditional: 1, dependent unconditional: 47, unknown: 195, unknown conditional: 8, unknown unconditional: 187] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 180, Positive conditional cache size: 6, Positive unconditional cache size: 174, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 186 ], Independence queries for same thread: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, \old(arg)={0:0}, g=0, id=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, D={4:0}, \old(arg)={0:0}, \old(cond)=0, arg={0:0}, cond=0, g=0] [L19] 0 reach_error() VAL [A={3:0}, D={4:0}, \old(arg)={0:0}, \old(cond)=0, arg={0:0}, cond=0, g=0] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 35 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.1s, 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: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 0.0s, ConditionalCommutativityCheckTime: 0.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate proved your program to be incorrect! [2024-10-19 08:18:19,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-19 08:18:19,927 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE