./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/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_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-12 22:29:30,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:29:30,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:29:30,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:29:30,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:29:30,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:29:30,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:29:30,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:29:30,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:29:30,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:29:30,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:29:30,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:29:30,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:29:30,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:29:30,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:29:30,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:29:30,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:29:30,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:29:30,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:29:30,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:29:30,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:29:30,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:29:30,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:29:30,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:29:30,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:29:30,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:29:30,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:29:30,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:29:30,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:29:30,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:29:30,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:29:30,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:29:30,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:29:30,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:29:30,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:29:30,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:29:30,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:29:30,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:29:30,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:29:30,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:29:30,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:29:30,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 22:29:30,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:29:30,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:29:30,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:29:30,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:29:30,555 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:29:30,556 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:29:30,556 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:29:30,556 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:29:30,556 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:29:30,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:29:30,557 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:29:30,557 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:29:30,557 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:29:30,557 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:29:30,558 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:29:30,558 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:29:30,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:29:30,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:29:30,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:29:30,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:29:30,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:29:30,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:29:30,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:29:30,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:29:30,560 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:29:30,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:29:30,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:29:30,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:29:30,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:29:30,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:29:30,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:29:30,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:29:30,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:29:30,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:29:30,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:29:30,563 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:29:30,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:29:30,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:29:30,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:29:30,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:29:30,564 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_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 [2021-11-12 22:29:30,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:29:30,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:29:30,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:29:30,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:29:30,894 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:29:30,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2021-11-12 22:29:30,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/data/a6efeaaea/76514bf58d3f40a2b836f187612a049e/FLAG5f177a757 [2021-11-12 22:29:31,545 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:29:31,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2021-11-12 22:29:31,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/data/a6efeaaea/76514bf58d3f40a2b836f187612a049e/FLAG5f177a757 [2021-11-12 22:29:31,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/data/a6efeaaea/76514bf58d3f40a2b836f187612a049e [2021-11-12 22:29:31,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:29:31,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:29:31,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:29:31,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:29:31,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:29:31,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:29:31" (1/1) ... [2021-11-12 22:29:31,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5684de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:31, skipping insertion in model container [2021-11-12 22:29:31,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:29:31" (1/1) ... [2021-11-12 22:29:31,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:29:31,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:29:32,193 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_711d5461-e3b2-4ed6-b497-af6168b9f726/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2021-11-12 22:29:32,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:29:32,386 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:29:32,401 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_711d5461-e3b2-4ed6-b497-af6168b9f726/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2021-11-12 22:29:32,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:29:32,493 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:29:32,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32 WrapperNode [2021-11-12 22:29:32,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:29:32,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:29:32,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:29:32,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:29:32,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:29:32,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:29:32,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:29:32,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:29:32,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:29:32,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:29:32,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:29:32,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:29:32,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (1/1) ... [2021-11-12 22:29:32,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:29:32,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:29:32,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:29:32,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 22:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 22:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-12 22:29:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:29:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-12 22:29:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-12 22:29:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:29:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 22:29:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:29:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:29:32,769 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 22:29:33,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:29:33,219 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:29:33,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:29:33 BoogieIcfgContainer [2021-11-12 22:29:33,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:29:33,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:29:33,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:29:33,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:29:33,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:29:31" (1/3) ... [2021-11-12 22:29:33,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619b36c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:29:33, skipping insertion in model container [2021-11-12 22:29:33,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:29:32" (2/3) ... [2021-11-12 22:29:33,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619b36c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:29:33, skipping insertion in model container [2021-11-12 22:29:33,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:29:33" (3/3) ... [2021-11-12 22:29:33,234 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2021-11-12 22:29:33,242 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 22:29:33,242 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:29:33,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:29:33,243 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 22:29:33,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 22:29:33,303 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-12 22:29:33,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:29:33,384 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 [2021-11-12 22:29:33,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 22:29:33,415 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 22:29:33,434 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 63 transitions, 134 flow [2021-11-12 22:29:33,438 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 63 transitions, 134 flow [2021-11-12 22:29:33,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 63 transitions, 134 flow [2021-11-12 22:29:33,500 INFO L129 PetriNetUnfolder]: 2/62 cut-off events. [2021-11-12 22:29:33,501 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-12 22:29:33,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 62 events. 2/62 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. 0/59 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2021-11-12 22:29:33,508 INFO L116 LiptonReduction]: Number of co-enabled transitions 288 [2021-11-12 22:29:37,677 INFO L131 LiptonReduction]: Checked pairs total: 397 [2021-11-12 22:29:37,677 INFO L133 LiptonReduction]: Total number of compositions: 64 [2021-11-12 22:29:37,688 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 11 transitions, 30 flow [2021-11-12 22:29:37,697 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) [2021-11-12 22:29:37,700 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) [2021-11-12 22:29:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-12 22:29:37,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:37,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-12 22:29:37,708 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:29:37,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:37,714 INFO L85 PathProgramCache]: Analyzing trace with hash 250237, now seen corresponding path program 1 times [2021-11-12 22:29:37,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:29:37,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484365899] [2021-11-12 22:29:37,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:37,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:29:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 22:29:37,869 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 22:29:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 22:29:37,928 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 22:29:37,930 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 22:29:37,931 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-12 22:29:37,933 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-12 22:29:37,934 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-12 22:29:37,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 22:29:37,937 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-12 22:29:37,942 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 22:29:37,943 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 22:29:37,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 10:29:37 BasicIcfg [2021-11-12 22:29:37,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 22:29:37,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 22:29:37,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 22:29:37,965 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 22:29:37,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:29:33" (3/4) ... [2021-11-12 22:29:37,968 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-12 22:29:38,007 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 22:29:38,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 22:29:38,009 INFO L158 Benchmark]: Toolchain (without parser) took 6165.25ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 55.6MB in the beginning and 67.5MB in the end (delta: -11.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-12 22:29:38,009 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:29:38,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.70ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 55.4MB in the beginning and 91.2MB in the end (delta: -35.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 22:29:38,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.36ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 89.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 22:29:38,011 INFO L158 Benchmark]: Boogie Preprocessor took 65.80ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 88.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 22:29:38,012 INFO L158 Benchmark]: RCFGBuilder took 577.18ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 76.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 22:29:38,012 INFO L158 Benchmark]: TraceAbstraction took 4739.50ms. Allocated memory is still 123.7MB. Free memory was 75.9MB in the beginning and 68.5MB in the end (delta: 7.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-12 22:29:38,013 INFO L158 Benchmark]: Witness Printer took 43.01ms. Allocated memory is still 123.7MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:29:38,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.70ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 55.4MB in the beginning and 91.2MB in the end (delta: -35.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.36ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 89.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.80ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 88.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.18ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 76.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4739.50ms. Allocated memory is still 123.7MB. Free memory was 75.9MB in the beginning and 68.5MB in the end (delta: 7.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 43.01ms. Allocated memory is still 123.7MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 65 PlacesBefore, 14 PlacesAfterwards, 63 TransitionsBefore, 11 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, 397 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 303, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 230, positive: 219, positive conditional: 0, positive unconditional: 219, 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: 230, positive: 207, positive conditional: 0, positive unconditional: 207, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 303, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 230, unknown conditional: 0, unknown unconditional: 230] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, 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, id={7:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND TRUE 1 t == 42 [L688] 1 glob1 = 1 [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 0) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - 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, 86 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , 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, 0.1s 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! [2021-11-12 22:29:38,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711d5461-e3b2-4ed6-b497-af6168b9f726/bin/utaipan-vmNK8stdcF/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