./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:43:23,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:43:23,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:43:23,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:43:23,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:43:23,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:43:23,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:43:23,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:43:23,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:43:23,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:43:23,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:43:23,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:43:23,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:43:23,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:43:23,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:43:23,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:43:23,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:43:23,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:43:23,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:43:23,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:43:23,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:43:23,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:43:23,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:43:23,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:43:23,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:43:23,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:43:23,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:43:23,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:43:23,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:43:23,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:43:23,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:43:23,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:43:23,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:43:23,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:43:23,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:43:23,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:43:23,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:43:23,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:43:23,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:43:23,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:43:23,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:43:23,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:43:23,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:43:23,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:43:23,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:43:23,470 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:43:23,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:43:23,471 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:43:23,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:43:23,471 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:43:23,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:43:23,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:43:23,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:43:23,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:43:23,473 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:43:23,473 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:43:23,473 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:43:23,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:43:23,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:43:23,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:43:23,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:43:23,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:43:23,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:43:23,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:43:23,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:43:23,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:43:23,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:43:23,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:43:23,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:43:23,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:43:23,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:43:23,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:43:23,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:43:23,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:43:23,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:43:23,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:43:23,481 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:43:23,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:43:23,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:43:23,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:43:23,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:43:23,483 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 [2021-11-07 01:43:23,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:43:23,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:43:23,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:43:23,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:43:23,783 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:43:23,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2021-11-07 01:43:23,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/data/52bef4520/e788eab686c34d178a26613b9365fff6/FLAG10bb61a4e [2021-11-07 01:43:24,414 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:43:24,414 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2021-11-07 01:43:24,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/data/52bef4520/e788eab686c34d178a26613b9365fff6/FLAG10bb61a4e [2021-11-07 01:43:24,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/data/52bef4520/e788eab686c34d178a26613b9365fff6 [2021-11-07 01:43:24,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:43:24,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:43:24,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:24,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:43:24,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:43:24,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:24" (1/1) ... [2021-11-07 01:43:24,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413634b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:24, skipping insertion in model container [2021-11-07 01:43:24,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:24" (1/1) ... [2021-11-07 01:43:24,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:43:24,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:43:25,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2021-11-07 01:43:25,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:43:25,349 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:43:25,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2021-11-07 01:43:25,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:43:25,471 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:43:25,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25 WrapperNode [2021-11-07 01:43:25,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:25,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:43:25,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:43:25,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:43:25,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:43:25,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:43:25,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:43:25,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:43:25,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:43:25,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:43:25,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:43:25,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:43:25,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (1/1) ... [2021-11-07 01:43:25,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:43:25,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:43:25,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:43:25,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:43:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:43:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:43:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-07 01:43:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:43:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-07 01:43:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-07 01:43:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:43:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:43:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:43:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:43:25,716 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 01:43:26,075 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:43:26,075 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 01:43:26,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:43:26 BoogieIcfgContainer [2021-11-07 01:43:26,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:43:26,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:43:26,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:43:26,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:43:26,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:43:24" (1/3) ... [2021-11-07 01:43:26,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107b260a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:43:26, skipping insertion in model container [2021-11-07 01:43:26,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:25" (2/3) ... [2021-11-07 01:43:26,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107b260a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:43:26, skipping insertion in model container [2021-11-07 01:43:26,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:43:26" (3/3) ... [2021-11-07 01:43:26,098 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2021-11-07 01:43:26,104 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 01:43:26,104 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:43:26,104 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:43:26,104 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 01:43:26,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,131 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,131 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,132 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,132 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,133 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,133 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,135 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,136 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,136 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,136 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,138 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,138 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,138 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,138 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,144 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:43:26,151 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-07 01:43:26,197 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:43:26,203 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:43:26,203 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:43:26,216 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 01:43:26,227 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 57 transitions, 122 flow [2021-11-07 01:43:26,230 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 57 transitions, 122 flow [2021-11-07 01:43:26,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 57 transitions, 122 flow [2021-11-07 01:43:26,265 INFO L129 PetriNetUnfolder]: 2/56 cut-off events. [2021-11-07 01:43:26,265 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-07 01:43:26,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 56 events. 2/56 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-11-07 01:43:26,269 INFO L116 LiptonReduction]: Number of co-enabled transitions 264 [2021-11-07 01:43:29,657 INFO L131 LiptonReduction]: Checked pairs total: 362 [2021-11-07 01:43:29,657 INFO L133 LiptonReduction]: Total number of compositions: 56 [2021-11-07 01:43:29,666 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 11 transitions, 30 flow [2021-11-07 01:43:29,676 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-07 01:43:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-07 01:43:29,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:43:29,689 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:43:29,690 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:43:29,692 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:43:29,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:43:29,700 INFO L85 PathProgramCache]: Analyzing trace with hash 226718, now seen corresponding path program 1 times [2021-11-07 01:43:29,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:43:29,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362181923] [2021-11-07 01:43:29,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:29,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:43:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:43:29,830 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:43:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:43:29,925 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:43:29,938 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:43:29,939 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:43:29,941 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 01:43:29,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:43:29,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:43:29,949 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 01:43:29,954 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 01:43:29,954 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:43:29,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:43:29 BasicIcfg [2021-11-07 01:43:29,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:43:29,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:43:29,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:43:29,971 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:43:29,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:43:26" (3/4) ... [2021-11-07 01:43:29,973 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 01:43:30,009 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:43:30,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:43:30,019 INFO L168 Benchmark]: Toolchain (without parser) took 5179.95 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 67.7 MB in the beginning and 76.0 MB in the end (delta: -8.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,020 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 58.4 MB in the beginning and 58.4 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:43:30,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.43 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 67.5 MB in the beginning and 99.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.86 ms. Allocated memory is still 134.2 MB. Free memory was 99.0 MB in the beginning and 96.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,028 INFO L168 Benchmark]: Boogie Preprocessor took 54.94 ms. Allocated memory is still 134.2 MB. Free memory was 96.8 MB in the beginning and 95.8 MB in the end (delta: 994.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,029 INFO L168 Benchmark]: RCFGBuilder took 471.97 ms. Allocated memory is still 134.2 MB. Free memory was 95.8 MB in the beginning and 84.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,029 INFO L168 Benchmark]: TraceAbstraction took 3890.70 ms. Allocated memory is still 134.2 MB. Free memory was 84.1 MB in the beginning and 78.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,031 INFO L168 Benchmark]: Witness Printer took 43.58 ms. Allocated memory is still 134.2 MB. Free memory was 78.1 MB in the beginning and 76.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 58.4 MB in the beginning and 58.4 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 633.43 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 67.5 MB in the beginning and 99.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.86 ms. Allocated memory is still 134.2 MB. Free memory was 99.0 MB in the beginning and 96.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.94 ms. Allocated memory is still 134.2 MB. Free memory was 96.8 MB in the beginning and 95.8 MB in the end (delta: 994.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 471.97 ms. Allocated memory is still 134.2 MB. Free memory was 95.8 MB in the beginning and 84.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3890.70 ms. Allocated memory is still 134.2 MB. Free memory was 84.1 MB in the beginning and 78.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Witness Printer took 43.58 ms. Allocated memory is still 134.2 MB. Free memory was 78.1 MB in the beginning and 76.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 59 PlacesBefore, 14 PlacesAfterwards, 57 TransitionsBefore, 11 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 362 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 296, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 215, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 215, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 104, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 296, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 215, unknown conditional: 0, unknown unconditional: 215] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, mutex1={7:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND TRUE 1 t == 42 [L688] 1 glob1 = 1 [L690] 1 t = glob1 [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [glob1=1, mutex1={7:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2021-11-07 01:43:30,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5480feb-6ff0-4488-9030-8b63ba0ed43f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE