./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.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 64b25926fb6c7e27855d812b862643321480d6d0eb308c80224ee02bfde27516 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 00:40:38,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 00:40:38,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-13 00:40:38,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 00:40:38,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 00:40:38,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 00:40:38,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 00:40:38,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 00:40:38,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 00:40:38,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 00:40:38,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 00:40:38,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 00:40:38,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 00:40:38,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 00:40:38,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 00:40:38,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 00:40:38,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 00:40:38,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 00:40:38,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 00:40:38,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 00:40:38,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 00:40:38,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 00:40:38,115 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 00:40:38,115 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 00:40:38,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 00:40:38,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 00:40:38,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 00:40:38,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 00:40:38,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 00:40:38,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 00:40:38,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 00:40:38,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 00:40:38,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 00:40:38,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 00:40:38,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 00:40:38,119 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 00:40:38,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 00:40:38,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 00:40:38,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 00:40:38,120 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 00:40:38,120 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 00:40:38,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b25926fb6c7e27855d812b862643321480d6d0eb308c80224ee02bfde27516 [2024-11-13 00:40:38,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 00:40:38,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 00:40:38,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 00:40:38,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 00:40:38,381 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 00:40:38,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-11-13 00:40:39,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 00:40:40,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 00:40:40,045 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-11-13 00:40:40,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ecc47d606/15c35952414844e684b134e57a61764d/FLAGbaafa03cb [2024-11-13 00:40:40,377 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ecc47d606/15c35952414844e684b134e57a61764d [2024-11-13 00:40:40,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 00:40:40,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 00:40:40,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 00:40:40,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 00:40:40,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 00:40:40,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:40,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b65dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40, skipping insertion in model container [2024-11-13 00:40:40,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:40,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 00:40:40,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2024-11-13 00:40:40,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 00:40:40,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 00:40:40,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2024-11-13 00:40:40,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 00:40:40,930 INFO L204 MainTranslator]: Completed translation [2024-11-13 00:40:40,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40 WrapperNode [2024-11-13 00:40:40,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 00:40:40,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 00:40:40,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 00:40:40,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 00:40:40,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:40,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:40,977 INFO L138 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2024-11-13 00:40:40,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 00:40:40,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 00:40:40,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 00:40:40,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 00:40:40,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:40,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:40,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:40,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:40,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:41,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:41,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:41,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:41,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 00:40:41,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 00:40:41,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 00:40:41,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 00:40:41,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (1/1) ... [2024-11-13 00:40:41,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 00:40:41,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 00:40:41,049 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) [2024-11-13 00:40:41,055 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 [2024-11-13 00:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 00:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 00:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 00:40:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 00:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 00:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 00:40:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 00:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 00:40:41,100 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 00:40:41,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 00:40:41,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 00:40:41,375 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 00:40:41,375 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 00:40:41,497 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 00:40:41,498 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 00:40:41,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:40:41 BoogieIcfgContainer [2024-11-13 00:40:41,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 00:40:41,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 00:40:41,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 00:40:41,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 00:40:41,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:40:40" (1/3) ... [2024-11-13 00:40:41,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3626bf64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:40:41, skipping insertion in model container [2024-11-13 00:40:41,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:40:40" (2/3) ... [2024-11-13 00:40:41,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3626bf64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:40:41, skipping insertion in model container [2024-11-13 00:40:41,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:40:41" (3/3) ... [2024-11-13 00:40:41,507 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-11-13 00:40:41,523 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 00:40:41,523 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-13 00:40:41,524 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 00:40:41,557 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 00:40:41,603 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 00:40:41,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 00:40:41,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 00:40:41,606 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) [2024-11-13 00:40:41,607 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 [2024-11-13 00:40:41,632 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 00:40:41,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 00:40:41,657 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;@6cd4067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 00:40:41,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 00:40:42,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-13 00:40:42,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 00:40:42,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2074550844, now seen corresponding path program 1 times [2024-11-13 00:40:42,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 00:40:42,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894823580] [2024-11-13 00:40:42,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 00:40:42,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 00:40:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 00:40:42,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 00:40:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 00:40:42,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 00:40:42,309 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 00:40:42,311 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-13 00:40:42,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-13 00:40:42,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 00:40:42,325 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 00:40:42,382 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 00:40:42,382 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 00:40:42,404 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 [2024-11-13 00:40:42,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:40:42 BasicIcfg [2024-11-13 00:40:42,405 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 00:40:42,405 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 00:40:42,406 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 00:40:42,406 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 00:40:42,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:40:41" (3/4) ... [2024-11-13 00:40:42,426 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 00:40:42,475 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-13 00:40:42,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 00:40:42,477 INFO L158 Benchmark]: Toolchain (without parser) took 2095.50ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 90.3MB in the beginning and 179.7MB in the end (delta: -89.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 00:40:42,477 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 00:40:42,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.47ms. Allocated memory is still 163.6MB. Free memory was 90.1MB in the beginning and 124.9MB in the end (delta: -34.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-13 00:40:42,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.31ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 122.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-13 00:40:42,478 INFO L158 Benchmark]: Boogie Preprocessor took 31.85ms. Allocated memory is still 163.6MB. Free memory was 122.9MB in the beginning and 121.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 00:40:42,478 INFO L158 Benchmark]: RCFGBuilder took 486.67ms. Allocated memory is still 163.6MB. Free memory was 121.5MB in the beginning and 97.7MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 00:40:42,479 INFO L158 Benchmark]: TraceAbstraction took 904.67ms. Allocated memory is still 163.6MB. Free memory was 96.9MB in the beginning and 128.8MB in the end (delta: -31.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-13 00:40:42,479 INFO L158 Benchmark]: Witness Printer took 70.34ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 128.7MB in the beginning and 179.7MB in the end (delta: -50.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-13 00:40:42,481 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 163.6MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.47ms. Allocated memory is still 163.6MB. Free memory was 90.1MB in the beginning and 124.9MB in the end (delta: -34.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.31ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 122.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.85ms. Allocated memory is still 163.6MB. Free memory was 122.9MB in the beginning and 121.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.67ms. Allocated memory is still 163.6MB. Free memory was 121.5MB in the beginning and 97.7MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 904.67ms. Allocated memory is still 163.6MB. Free memory was 96.9MB in the beginning and 128.8MB in the end (delta: -31.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Witness Printer took 70.34ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 128.7MB in the beginning and 179.7MB in the end (delta: -50.9MB). Peak memory consumption was 9.8MB. 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: 89, independent: 84, independent conditional: 9, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 9, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 9, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 9, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 89, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 80, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 80, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 368, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 89, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 80, unknown conditional: 0, unknown unconditional: 80] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 20, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 9, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 9, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 9, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 9, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 89, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 80, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 80, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 368, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 89, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 80, unknown conditional: 0, unknown unconditional: 80] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0, 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] [L687] 1 g = 17 VAL [A={3:0}, D={4:0}, \old(arg)={0:0}, arg={0:0}, g=17] [L690] 1 return ((void *)0); [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, \result={0:0}, arg={0:0}, cond=0, g=17] [L19] 0 reach_error() VAL [A={3:0}, D={4:0}, \old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, g=17] - 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, 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: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 00:40:42,514 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