./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --- 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-2329fc7 [2022-12-13 09:44:33,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:44:33,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:44:33,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:44:33,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:44:33,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:44:33,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:44:33,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:44:33,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:44:33,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:44:33,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:44:33,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:44:33,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:44:33,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:44:33,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:44:33,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:44:33,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:44:33,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:44:33,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:44:33,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:44:33,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:44:33,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:44:33,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:44:33,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:44:33,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:44:33,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:44:33,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:44:33,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:44:33,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:44:33,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:44:33,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:44:33,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:44:33,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:44:33,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:44:33,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:44:33,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:44:33,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:44:33,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:44:33,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:44:33,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:44:33,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:44:33,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-12-13 09:44:33,527 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:44:33,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:44:33,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:44:33,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:44:33,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:44:33,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:44:33,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:44:33,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:44:33,530 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:44:33,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:44:33,530 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:44:33,530 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 09:44:33,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:44:33,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:44:33,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:44:33,531 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 09:44:33,531 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 09:44:33,532 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 09:44:33,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:44:33,532 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 09:44:33,532 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:44:33,532 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:44:33,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:44:33,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:44:33,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:44:33,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:44:33,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:44:33,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:44:33,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:44:33,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:44:33,534 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:44:33,534 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 09:44:33,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:44:33,534 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:44:33,534 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:44:33,535 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_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c [2022-12-13 09:44:33,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:44:33,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:44:33,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:44:33,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:44:33,750 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:44:33,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 09:44:36,338 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:44:36,524 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:44:36,525 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 09:44:36,533 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/data/1e45040ba/08f90013518646a0be4e27ea8a6e18d0/FLAG6181f0399 [2022-12-13 09:44:36,545 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/data/1e45040ba/08f90013518646a0be4e27ea8a6e18d0 [2022-12-13 09:44:36,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:44:36,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:44:36,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:44:36,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:44:36,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:44:36,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54878dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36, skipping insertion in model container [2022-12-13 09:44:36,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:44:36,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:44:36,690 WARN L237 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_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-13 09:44:36,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:44:36,786 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:44:36,796 WARN L237 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_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-13 09:44:36,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:44:36,861 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:44:36,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36 WrapperNode [2022-12-13 09:44:36,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:44:36,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:44:36,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:44:36,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:44:36,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,900 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-12-13 09:44:36,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:44:36,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:44:36,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:44:36,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:44:36,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:44:36,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:44:36,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:44:36,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:44:36,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (1/1) ... [2022-12-13 09:44:36,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:44:36,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:44:36,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:44:36,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:44:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:44:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 09:44:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:44:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:44:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 09:44:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 09:44:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:44:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:44:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:44:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:44:36,972 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:44:37,065 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:44:37,067 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:44:37,216 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:44:37,221 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:44:37,221 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:44:37,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:44:37 BoogieIcfgContainer [2022-12-13 09:44:37,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:44:37,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:44:37,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:44:37,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:44:37,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:44:36" (1/3) ... [2022-12-13 09:44:37,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dc06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:44:37, skipping insertion in model container [2022-12-13 09:44:37,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:36" (2/3) ... [2022-12-13 09:44:37,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dc06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:44:37, skipping insertion in model container [2022-12-13 09:44:37,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:44:37" (3/3) ... [2022-12-13 09:44:37,236 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 09:44:37,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:44:37,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 09:44:37,250 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:44:37,285 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 09:44:37,319 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:44:37,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:44:37,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:44:37,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:44:37,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:44:37,365 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:44:37,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 09:44:37,384 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@783680c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:44:37,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 09:44:37,535 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-12-13 09:44:37,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:44:37,540 INFO L85 PathProgramCache]: Analyzing trace with hash 239875686, now seen corresponding path program 1 times [2022-12-13 09:44:37,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:44:37,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915720572] [2022-12-13 09:44:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:37,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:44:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:44:37,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 09:44:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:44:37,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 09:44:37,698 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 09:44:37,699 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2022-12-13 09:44:37,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining) [2022-12-13 09:44:37,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 5 remaining) [2022-12-13 09:44:37,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2022-12-13 09:44:37,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-13 09:44:37,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:44:37,708 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 09:44:37,712 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 09:44:37,712 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 09:44:37,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:44:37 BasicIcfg [2022-12-13 09:44:37,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 09:44:37,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 09:44:37,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 09:44:37,732 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 09:44:37,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:44:37" (3/4) ... [2022-12-13 09:44:37,735 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 09:44:37,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 09:44:37,736 INFO L158 Benchmark]: Toolchain (without parser) took 1188.02ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 83.4MB in the beginning and 107.3MB in the end (delta: -23.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-12-13 09:44:37,736 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:44:37,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.11ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 64.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 09:44:37,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.98ms. Allocated memory is still 119.5MB. Free memory was 64.2MB in the beginning and 62.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 09:44:37,737 INFO L158 Benchmark]: Boogie Preprocessor took 17.76ms. Allocated memory is still 119.5MB. Free memory was 62.2MB in the beginning and 60.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:44:37,738 INFO L158 Benchmark]: RCFGBuilder took 303.95ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 60.8MB in the beginning and 139.3MB in the end (delta: -78.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-13 09:44:37,738 INFO L158 Benchmark]: TraceAbstraction took 500.35ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 107.5MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 09:44:37,738 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 169.9MB. Free memory was 107.5MB in the beginning and 107.3MB in the end (delta: 241.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:44:37,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.11ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 64.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.98ms. Allocated memory is still 119.5MB. Free memory was 64.2MB in the beginning and 62.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.76ms. Allocated memory is still 119.5MB. Free memory was 62.2MB in the beginning and 60.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.95ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 60.8MB in the beginning and 139.3MB in the end (delta: -78.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 500.35ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 107.5MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 169.9MB. Free memory was 107.5MB in the beginning and 107.3MB in the end (delta: 241.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 196, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 196, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 191, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 176, Positive conditional cache size: 0, Positive unconditional cache size: 176, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 46, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 196, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 196, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 191, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 176, Positive conditional cache size: 0, Positive unconditional cache size: 176, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5, Statistics for Abstraction: - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 694]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 84 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 09:44:37,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 09:44:37,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --- 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-2329fc7 [2022-12-13 09:44:39,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:44:39,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:44:39,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:44:39,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:44:39,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:44:39,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:44:39,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:44:39,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:44:39,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:44:39,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:44:39,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:44:39,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:44:39,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:44:39,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:44:39,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:44:39,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:44:39,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:44:39,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:44:39,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:44:39,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:44:39,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:44:39,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:44:39,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:44:39,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:44:39,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:44:39,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:44:39,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:44:39,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:44:39,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:44:39,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:44:39,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:44:39,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:44:39,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:44:39,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:44:39,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:44:39,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:44:39,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:44:39,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:44:39,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:44:39,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:44:39,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-12-13 09:44:39,797 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:44:39,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:44:39,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:44:39,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:44:39,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:44:39,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:44:39,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:44:39,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:44:39,800 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:44:39,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:44:39,800 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:44:39,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 09:44:39,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:44:39,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:44:39,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:44:39,801 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 09:44:39,801 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 09:44:39,801 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 09:44:39,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:44:39,802 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 09:44:39,802 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 09:44:39,802 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 09:44:39,802 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:44:39,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:44:39,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:44:39,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:44:39,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:44:39,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:44:39,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:44:39,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:44:39,804 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 09:44:39,804 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 09:44:39,804 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:44:39,804 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 09:44:39,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:44:39,805 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:44:39,805 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:44:39,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 09:44:39,805 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c [2022-12-13 09:44:40,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:44:40,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:44:40,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:44:40,049 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:44:40,049 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:44:40,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 09:44:42,638 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:44:42,858 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:44:42,859 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 09:44:42,871 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/data/3493f1e3c/e189db0126964fb09cb423d98054079a/FLAGccd860424 [2022-12-13 09:44:43,196 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/data/3493f1e3c/e189db0126964fb09cb423d98054079a [2022-12-13 09:44:43,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:44:43,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:44:43,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:44:43,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:44:43,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:44:43,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ad098f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43, skipping insertion in model container [2022-12-13 09:44:43,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:44:43,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:44:43,359 WARN L237 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_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-13 09:44:43,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:44:43,489 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:44:43,501 WARN L237 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_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-13 09:44:43,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:44:43,588 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:44:43,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43 WrapperNode [2022-12-13 09:44:43,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:44:43,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:44:43,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:44:43,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:44:43,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,629 INFO L138 Inliner]: procedures = 166, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-13 09:44:43,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:44:43,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:44:43,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:44:43,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:44:43,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,651 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:44:43,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:44:43,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:44:43,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:44:43,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (1/1) ... [2022-12-13 09:44:43,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:44:43,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:44:43,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:44:43,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:44:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 09:44:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:44:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:44:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 09:44:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 09:44:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:44:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 09:44:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 09:44:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 09:44:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:44:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:44:43,718 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:44:43,821 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:44:43,822 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:44:43,972 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:44:43,976 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:44:43,977 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:44:43,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:44:43 BoogieIcfgContainer [2022-12-13 09:44:43,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:44:43,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:44:43,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:44:43,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:44:43,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:44:43" (1/3) ... [2022-12-13 09:44:43,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71eb60a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:44:43, skipping insertion in model container [2022-12-13 09:44:43,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:44:43" (2/3) ... [2022-12-13 09:44:43,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71eb60a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:44:43, skipping insertion in model container [2022-12-13 09:44:43,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:44:43" (3/3) ... [2022-12-13 09:44:43,987 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 09:44:44,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:44:44,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 09:44:44,001 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:44:44,044 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 09:44:44,075 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:44:44,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:44:44,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:44:44,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:44:44,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:44:44,120 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:44:44,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 09:44:44,134 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@49cefe26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:44:44,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 09:44:44,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-12-13 09:44:44,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:44:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash 54540366, now seen corresponding path program 1 times [2022-12-13 09:44:44,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:44:44,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181442514] [2022-12-13 09:44:44,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:44,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:44:44,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:44:44,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 09:44:44,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 09:44:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:44:44,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 09:44:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:44:44,458 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 09:44:44,459 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 09:44:44,460 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2022-12-13 09:44:44,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining) [2022-12-13 09:44:44,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 5 remaining) [2022-12-13 09:44:44,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2022-12-13 09:44:44,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-13 09:44:44,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-12-13 09:44:44,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:44:44,688 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 09:44:44,702 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 09:44:44,702 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 09:44:44,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:44:44 BasicIcfg [2022-12-13 09:44:44,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 09:44:44,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 09:44:44,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 09:44:44,780 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 09:44:44,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:44:43" (3/4) ... [2022-12-13 09:44:44,788 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 09:44:44,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 09:44:44,791 INFO L158 Benchmark]: Toolchain (without parser) took 1591.47ms. Allocated memory is still 75.5MB. Free memory was 53.1MB in the beginning and 46.3MB in the end (delta: 6.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-12-13 09:44:44,792 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:44:44,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.07ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 51.1MB in the end (delta: 1.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-13 09:44:44,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.50ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 49.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:44:44,796 INFO L158 Benchmark]: Boogie Preprocessor took 24.82ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 09:44:44,798 INFO L158 Benchmark]: RCFGBuilder took 323.06ms. Allocated memory is still 75.5MB. Free memory was 47.3MB in the beginning and 33.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 09:44:44,799 INFO L158 Benchmark]: TraceAbstraction took 796.63ms. Allocated memory is still 75.5MB. Free memory was 32.3MB in the beginning and 46.3MB in the end (delta: -13.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-12-13 09:44:44,800 INFO L158 Benchmark]: Witness Printer took 9.90ms. Allocated memory is still 75.5MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:44:44,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.07ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 51.1MB in the end (delta: 1.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.50ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 49.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.82ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.06ms. Allocated memory is still 75.5MB. Free memory was 47.3MB in the beginning and 33.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 796.63ms. Allocated memory is still 75.5MB. Free memory was 32.3MB in the beginning and 46.3MB in the end (delta: -13.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 9.90ms. Allocated memory is still 75.5MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 196, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 196, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 191, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 176, Positive conditional cache size: 0, Positive unconditional cache size: 176, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 47, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 196, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 196, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 15, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 191, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 191, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 176, Positive conditional cache size: 0, Positive unconditional cache size: 176, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5, Statistics for Abstraction: - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={7:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={7:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 694]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 85 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 09:44:44,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-12-13 09:44:45,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d219f5ee-3ba6-44c5-a774-cfc3a582cbd7/bin/ugemcutter-rbreBovr8w/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 Result: UNKNOWN: Overapproximated counterexample