./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:55:55,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:55:55,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:55:55,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:55:55,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:55:55,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:55:55,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:55:55,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:55:55,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:55:55,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:55:55,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:55:55,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:55:55,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:55:55,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:55:55,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:55:55,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:55:55,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:55:55,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:55:55,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:55:55,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:55:55,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:55:55,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:55:55,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:55:55,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:55:55,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:55:55,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:55:55,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:55:55,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:55:55,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:55:55,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:55:55,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:55:55,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:55:55,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:55:55,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:55:55,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:55:55,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:55:55,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:55:55,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:55:55,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:55:55,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:55:55,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:55:55,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:55:55,598 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:55:55,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:55:55,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:55:55,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:55:55,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:55:55,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:55:55,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:55:55,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:55:55,602 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:55:55,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:55:55,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:55:55,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:55:55,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:55:55,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:55:55,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:55:55,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:55:55,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:55:55,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:55:55,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:55:55,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:55:55,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:55:55,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:55:55,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:55:55,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:55:55,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:55,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:55:55,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:55:55,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:55:55,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:55:55,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:55:55,607 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:55:55,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:55:55,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:55:55,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:55:55,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c [2021-11-20 06:55:55,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:55:55,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:55:55,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:55:55,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:55:55,888 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:55:55,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2021-11-20 06:55:55,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/data/3885f6e7c/e0fce40a20f14f3ab689f10aa4296017/FLAGc478f19ad [2021-11-20 06:55:56,600 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:55:56,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2021-11-20 06:55:56,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/data/3885f6e7c/e0fce40a20f14f3ab689f10aa4296017/FLAGc478f19ad [2021-11-20 06:55:56,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/data/3885f6e7c/e0fce40a20f14f3ab689f10aa4296017 [2021-11-20 06:55:56,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:55:56,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:55:56,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:56,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:55:56,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:55:56,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:56" (1/1) ... [2021-11-20 06:55:56,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267c5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:56, skipping insertion in model container [2021-11-20 06:55:56,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:55:56" (1/1) ... [2021-11-20 06:55:56,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:55:56,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:55:57,157 WARN L230 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_472975a9-e6c7-4de6-88bd-8a5836397caf/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2021-11-20 06:55:57,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:55:57,334 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:55:57,351 WARN L230 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_472975a9-e6c7-4de6-88bd-8a5836397caf/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2021-11-20 06:55:57,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:55:57,472 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:55:57,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57 WrapperNode [2021-11-20 06:55:57,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:55:57,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:55:57,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:55:57,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:55:57,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,557 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-11-20 06:55:57,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:55:57,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:55:57,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:55:57,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:55:57,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:55:57,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:55:57,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:55:57,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:55:57,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (1/1) ... [2021-11-20 06:55:57,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:55:57,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:55:57,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:55:57,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:55:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:55:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 06:55:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:55:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:55:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-20 06:55:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-20 06:55:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:55:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:55:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:55:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:55:57,695 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:55:57,883 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:55:57,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:55:58,159 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:55:58,168 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:55:58,170 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:55:58,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:58 BoogieIcfgContainer [2021-11-20 06:55:58,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:55:58,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:55:58,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:55:58,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:55:58,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:55:56" (1/3) ... [2021-11-20 06:55:58,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab01657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:55:58, skipping insertion in model container [2021-11-20 06:55:58,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:55:57" (2/3) ... [2021-11-20 06:55:58,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab01657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:55:58, skipping insertion in model container [2021-11-20 06:55:58,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:58" (3/3) ... [2021-11-20 06:55:58,185 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2021-11-20 06:55:58,191 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:55:58,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:55:58,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:55:58,191 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:55:58,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,249 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,249 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,251 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,251 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,252 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,269 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,278 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:55:58,282 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:55:58,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:55:58,385 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=PETRI_NET, 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 [2021-11-20 06:55:58,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 06:55:58,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 78 transitions, 161 flow [2021-11-20 06:55:58,464 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2021-11-20 06:55:58,465 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:55:58,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2021-11-20 06:55:58,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 78 transitions, 161 flow [2021-11-20 06:55:58,474 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 65 transitions, 133 flow [2021-11-20 06:55:58,496 INFO L129 PetriNetUnfolder]: 1/64 cut-off events. [2021-11-20 06:55:58,496 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:55:58,496 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:55:58,497 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:58,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-20 06:55:58,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2021-11-20 06:55:58,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:55:58,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246130515] [2021-11-20 06:55:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:58,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:55:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:55:58,668 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:55:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:55:58,785 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:55:58,787 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:55:58,788 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-20 06:55:58,790 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-20 06:55:58,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:55:58,795 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-20 06:55:58,800 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 06:55:58,800 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:55:58,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:55:58 BasicIcfg [2021-11-20 06:55:58,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:55:58,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:55:58,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:55:58,842 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:55:58,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:55:58" (3/4) ... [2021-11-20 06:55:58,844 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 06:55:58,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:55:58,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:55:58,912 INFO L158 Benchmark]: Toolchain (without parser) took 2046.78ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 64.1MB in the beginning and 70.4MB in the end (delta: -6.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-20 06:55:58,912 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:55:58,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.24ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 61.8MB in the end (delta: 2.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:55:58,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.51ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 59.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:55:58,914 INFO L158 Benchmark]: Boogie Preprocessor took 35.67ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 58.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:55:58,915 INFO L158 Benchmark]: RCFGBuilder took 577.42ms. Allocated memory is still 96.5MB. Free memory was 58.4MB in the beginning and 46.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:55:58,916 INFO L158 Benchmark]: TraceAbstraction took 665.68ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 46.2MB in the beginning and 74.6MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:55:58,917 INFO L158 Benchmark]: Witness Printer took 68.88ms. Allocated memory is still 121.6MB. Free memory was 74.6MB in the beginning and 70.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:55:58,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.24ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 61.8MB in the end (delta: 2.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.51ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 59.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.67ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 58.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.42ms. Allocated memory is still 96.5MB. Free memory was 58.4MB in the beginning and 46.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 665.68ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 46.2MB in the beginning and 74.6MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.88ms. Allocated memory is still 121.6MB. Free memory was 74.6MB in the beginning and 70.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: 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 g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0, t=42] [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - UnprovableResult [Line: 697]: 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, 89 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred 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, 50 NumberOfCodeBlocks, 50 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! [2021-11-20 06:55:58,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472975a9-e6c7-4de6-88bd-8a5836397caf/bin/uautomizer-DQz5hQGWxF/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