./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8 --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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:20:28,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:20:28,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:20:28,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:20:28,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:20:28,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:20:28,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:20:28,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:20:28,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:20:28,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:20:28,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:20:28,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:20:28,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:20:28,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:20:28,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:20:28,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:20:28,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:20:28,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:20:28,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:20:28,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:20:28,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:20:28,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:20:28,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:20:28,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:20:28,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:20:28,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:20:28,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:20:28,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:20:28,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:20:28,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:20:28,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:20:28,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:20:28,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:20:28,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:20:28,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:20:28,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:20:28,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:20:28,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:20:28,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:20:28,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:20:28,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:20:28,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:20:28,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:20:28,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:20:28,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:20:28,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:20:28,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:20:28,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:20:28,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:20:28,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:20:28,655 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:20:28,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:20:28,656 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:20:28,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:20:28,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:20:28,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:20:28,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:20:28,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:20:28,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:20:28,658 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:20:28,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:20:28,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:20:28,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:20:28,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:20:28,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:20:28,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:20:28,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:20:28,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:20:28,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:20:28,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:20:28,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:20:28,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:20:28,663 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:20:28,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:20:28,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:20:28,664 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_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2022-11-16 11:20:28,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:20:29,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:20:29,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:20:29,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:20:29,018 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:20:29,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-16 11:20:29,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/data/4a53d6891/4221ec83b73c41a68f0e36c16a08f546/FLAG55966ce9f [2022-11-16 11:20:29,760 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:20:29,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-16 11:20:29,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/data/4a53d6891/4221ec83b73c41a68f0e36c16a08f546/FLAG55966ce9f [2022-11-16 11:20:30,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/data/4a53d6891/4221ec83b73c41a68f0e36c16a08f546 [2022-11-16 11:20:30,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:20:30,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:20:30,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:20:30,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:20:30,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:20:30,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bad68ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30, skipping insertion in model container [2022-11-16 11:20:30,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:20:30,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:20:30,345 WARN L229 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_1f588600-c13c-45b5-a180-7425abcd7ddd/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-11-16 11:20:30,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:20:30,505 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:20:30,528 WARN L229 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_1f588600-c13c-45b5-a180-7425abcd7ddd/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-11-16 11:20:30,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:20:30,645 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:20:30,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30 WrapperNode [2022-11-16 11:20:30,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:20:30,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:20:30,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:20:30,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:20:30,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,724 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-16 11:20:30,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:20:30,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:20:30,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:20:30,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:20:30,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,776 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:20:30,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:20:30,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:20:30,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:20:30,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (1/1) ... [2022-11-16 11:20:30,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:20:30,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:20:30,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:20:30,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:20:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:20:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:20:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:20:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:20:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:20:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:20:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:20:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:20:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:20:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:20:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:20:30,901 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:20:31,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:20:31,074 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:20:31,365 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:20:31,372 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:20:31,372 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:20:31,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:20:31 BoogieIcfgContainer [2022-11-16 11:20:31,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:20:31,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:20:31,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:20:31,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:20:31,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:20:30" (1/3) ... [2022-11-16 11:20:31,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f03c916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:20:31, skipping insertion in model container [2022-11-16 11:20:31,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:20:30" (2/3) ... [2022-11-16 11:20:31,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f03c916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:20:31, skipping insertion in model container [2022-11-16 11:20:31,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:20:31" (3/3) ... [2022-11-16 11:20:31,401 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-16 11:20:31,410 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:20:31,424 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:20:31,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:20:31,424 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:20:31,504 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 11:20:31,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-11-16 11:20:31,596 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-11-16 11:20:31,596 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:20:31,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-11-16 11:20:31,602 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-11-16 11:20:31,606 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-11-16 11:20:31,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:20:31,625 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@520b793, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:20:31,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 11:20:31,644 INFO L130 PetriNetUnfolder]: 0/50 cut-off events. [2022-11-16 11:20:31,645 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:20:31,645 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:20:31,646 INFO L209 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] [2022-11-16 11:20:31,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 11:20:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:20:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash -591045949, now seen corresponding path program 1 times [2022-11-16 11:20:31,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:20:31,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972977964] [2022-11-16 11:20:31,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:31,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:20:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:20:31,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:20:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:20:31,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:20:31,975 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:20:31,977 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-16 11:20:31,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-16 11:20:31,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:20:31,980 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 11:20:31,988 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:20:31,988 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:20:32,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:20:32 BasicIcfg [2022-11-16 11:20:32,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:20:32,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:20:32,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:20:32,080 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:20:32,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:20:31" (3/4) ... [2022-11-16 11:20:32,083 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 11:20:32,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:20:32,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:20:32,148 INFO L158 Benchmark]: Toolchain (without parser) took 2135.06ms. Allocated memory is still 119.5MB. Free memory was 82.9MB in the beginning and 90.1MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:20:32,150 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:20:32,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.80ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 86.1MB in the end (delta: -3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:20:32,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.67ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:20:32,156 INFO L158 Benchmark]: Boogie Preprocessor took 53.96ms. Allocated memory is still 119.5MB. Free memory was 84.0MB in the beginning and 82.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:20:32,158 INFO L158 Benchmark]: RCFGBuilder took 594.03ms. Allocated memory is still 119.5MB. Free memory was 82.3MB in the beginning and 69.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:20:32,160 INFO L158 Benchmark]: TraceAbstraction took 701.13ms. Allocated memory is still 119.5MB. Free memory was 68.7MB in the beginning and 92.9MB in the end (delta: -24.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-16 11:20:32,161 INFO L158 Benchmark]: Witness Printer took 67.42ms. Allocated memory is still 119.5MB. Free memory was 92.9MB in the beginning and 90.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:20:32,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.80ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 86.1MB in the end (delta: -3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.67ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.96ms. Allocated memory is still 119.5MB. Free memory was 84.0MB in the beginning and 82.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 594.03ms. Allocated memory is still 119.5MB. Free memory was 82.3MB in the beginning and 69.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 701.13ms. Allocated memory is still 119.5MB. Free memory was 68.7MB in the beginning and 92.9MB in the end (delta: -24.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Witness Printer took 67.42ms. Allocated memory is still 119.5MB. Free memory was 92.9MB in the beginning and 90.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex2={3:0}] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex1={4:0}, mutex2={3:0}] [L681] 0 int glob1 = 0; VAL [glob1=0, mutex1={4:0}, mutex2={3:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={4:0}, mutex2={3:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={4:0}, mutex2={3:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={4:0}, mutex2={3:0}] - 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, 87 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, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 42 NumberOfCodeBlocks, 42 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! [2022-11-16 11:20:32,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f588600-c13c-45b5-a180-7425abcd7ddd/bin/uautomizer-tPACEb0tL8/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