./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 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_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am --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 f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 --- 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-4e7fbc6 [2022-11-23 06:44:04,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:44:04,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:44:04,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:44:04,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:44:04,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:44:04,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:44:04,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:44:04,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:44:04,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:44:04,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:44:04,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:44:04,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:44:04,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:44:04,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:44:04,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:44:04,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:44:04,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:44:04,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:44:04,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:44:04,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:44:04,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:44:04,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:44:04,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:44:04,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:44:04,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:44:04,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:44:04,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:44:04,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:44:04,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:44:04,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:44:04,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:44:04,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:44:04,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:44:04,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:44:04,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:44:04,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:44:04,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:44:04,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:44:04,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:44:04,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:44:04,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-23 06:44:04,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:44:04,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:44:04,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:44:04,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:44:04,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:44:04,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:44:04,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:44:04,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:44:04,506 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:44:04,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:44:04,508 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:44:04,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:44:04,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:44:04,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:44:04,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:44:04,509 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 06:44:04,509 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 06:44:04,509 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 06:44:04,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:44:04,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 06:44:04,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:44:04,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:44:04,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:44:04,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:44:04,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:44:04,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:44:04,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:44:04,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:44:04,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:44:04,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:44:04,512 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:44:04,513 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:44:04,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:44:04,513 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:44:04,513 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:44:04,514 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_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 [2022-11-23 06:44:04,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:44:04,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:44:04,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:44:04,806 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:44:04,807 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:44:04,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2022-11-23 06:44:07,946 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:44:08,191 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:44:08,192 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2022-11-23 06:44:08,202 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/data/dac45581d/093682565e374b2b8b56fc071a4f7292/FLAGfd14d2c01 [2022-11-23 06:44:08,216 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/data/dac45581d/093682565e374b2b8b56fc071a4f7292 [2022-11-23 06:44:08,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:44:08,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:44:08,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:44:08,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:44:08,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:44:08,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244709dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08, skipping insertion in model container [2022-11-23 06:44:08,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:44:08,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:44:08,560 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_e158e34a-1519-48db-aca9-0ee8facfc287/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-11-23 06:44:08,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:44:08,578 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:44:08,616 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_e158e34a-1519-48db-aca9-0ee8facfc287/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-11-23 06:44:08,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:44:08,651 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:44:08,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08 WrapperNode [2022-11-23 06:44:08,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:44:08,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:44:08,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:44:08,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:44:08,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,714 INFO L138 Inliner]: procedures = 167, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-23 06:44:08,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:44:08,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:44:08,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:44:08,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:44:08,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:44:08,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:44:08,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:44:08,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:44:08,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (1/1) ... [2022-11-23 06:44:08,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:44:08,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:08,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:08,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:44:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-23 06:44:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-23 06:44:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 06:44:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:44:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:44:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:44:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 06:44:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:44:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:44:08,853 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:44:09,000 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:44:09,002 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:44:09,169 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:44:09,176 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:44:09,176 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 06:44:09,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:09 BoogieIcfgContainer [2022-11-23 06:44:09,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:44:09,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:44:09,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:44:09,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:44:09,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:44:08" (1/3) ... [2022-11-23 06:44:09,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b00122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:09, skipping insertion in model container [2022-11-23 06:44:09,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:08" (2/3) ... [2022-11-23 06:44:09,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b00122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:09, skipping insertion in model container [2022-11-23 06:44:09,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:09" (3/3) ... [2022-11-23 06:44:09,188 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2022-11-23 06:44:09,208 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:44:09,208 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 06:44:09,208 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:44:09,369 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 06:44:09,414 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:09,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:44:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:09,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:09,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:44:09,466 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:44:09,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2022-11-23 06:44:09,504 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;@25aaeb7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:09,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 06:44:09,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-23 06:44:09,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:44:09,716 INFO L85 PathProgramCache]: Analyzing trace with hash -2004910627, now seen corresponding path program 1 times [2022-11-23 06:44:09,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:44:09,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818760385] [2022-11-23 06:44:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:44:09,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:44:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:44:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:44:09,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:44:09,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818760385] [2022-11-23 06:44:09,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818760385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:44:09,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:44:09,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 06:44:09,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467813871] [2022-11-23 06:44:09,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:44:09,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 06:44:09,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:44:09,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 06:44:09,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 06:44:09,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:09,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:44:10,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 06:44:10,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:10,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:10,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 06:44:10,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-23 06:44:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:44:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash -2004909666, now seen corresponding path program 1 times [2022-11-23 06:44:10,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:44:10,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063311395] [2022-11-23 06:44:10,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:44:10,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:44:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:44:10,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 06:44:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:44:10,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 06:44:10,236 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 06:44:10,238 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-23 06:44:10,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 06:44:10,256 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 06:44:10,258 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was UNSAFE (1/2) [2022-11-23 06:44:10,261 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 06:44:10,261 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 06:44:10,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:44:10 BasicIcfg [2022-11-23 06:44:10,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 06:44:10,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 06:44:10,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 06:44:10,297 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 06:44:10,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:09" (3/4) ... [2022-11-23 06:44:10,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 06:44:10,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 06:44:10,302 INFO L158 Benchmark]: Toolchain (without parser) took 2081.57ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 91.7MB in the beginning and 87.5MB in the end (delta: 4.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-23 06:44:10,302 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:10,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.21ms. Allocated memory is still 140.5MB. Free memory was 91.3MB in the beginning and 72.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 06:44:10,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.61ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 145.2MB in the end (delta: -73.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-23 06:44:10,303 INFO L158 Benchmark]: Boogie Preprocessor took 25.28ms. Allocated memory is still 176.2MB. Free memory was 145.2MB in the beginning and 143.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:10,304 INFO L158 Benchmark]: RCFGBuilder took 419.40ms. Allocated memory is still 176.2MB. Free memory was 146.2MB in the beginning and 133.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 06:44:10,304 INFO L158 Benchmark]: TraceAbstraction took 1115.08ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 87.5MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-23 06:44:10,305 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 176.2MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:10,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.21ms. Allocated memory is still 140.5MB. Free memory was 91.3MB in the beginning and 72.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.61ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 145.2MB in the end (delta: -73.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.28ms. Allocated memory is still 176.2MB. Free memory was 145.2MB in the beginning and 143.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 419.40ms. Allocated memory is still 176.2MB. Free memory was 146.2MB in the beginning and 133.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1115.08ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 87.5MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 176.2MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 399, independent: 392, independent conditional: 18, independent unconditional: 374, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 14, dependent conditional: 10, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 788, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 376, unknown conditional: 0, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 399, independent: 392, independent conditional: 18, independent unconditional: 374, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 14, dependent conditional: 10, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 788, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 376, unknown conditional: 0, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 10, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 33, Number of trivial persistent sets: 21, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 399, independent: 392, independent conditional: 18, independent unconditional: 374, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 14, dependent conditional: 10, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 788, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 376, unknown conditional: 0, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 0.0s, Number of persistent set computation: 33, Number of trivial persistent sets: 21, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 399, independent: 392, independent conditional: 18, independent unconditional: 374, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 14, dependent conditional: 10, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 788, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 376, unknown conditional: 0, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 10, Statistics for Abstraction: - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 695. Possible FailurePath: [L700] 0 pthread_t t; VAL [t={3:0}] [L701] COND TRUE 0 1 VAL [t={3:0}] [L703] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [#in~arg={0:0}, pthread_create(&t, 0, thr1, 0)=-1, t={3:0}] [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); VAL [#in~arg={0:0}, __VERIFIER_nondet_uint()=0, arg={0:0}, x=0] [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); VAL [#in~arg={0:0}, __VERIFIER_nondet_uint()=4294967301, arg={0:0}, x=0, y=4294967301] [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); VAL [#in~arg={0:0}, __VERIFIER_nondet_uint()=5, arg={0:0}, x=0, y=4294967301, z=5] [L687] 1 int i, j=1, k=1; VAL [#in~arg={0:0}, arg={0:0}, j=1, k=1, x=0, y=4294967301, z=5] [L688] 1 i=0 VAL [#in~arg={0:0}, arg={0:0}, i=0, j=1, k=1, x=0, y=4294967301, z=5] [L688] COND FALSE 1 !(i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am 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 -> f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 [2022-11-23 06:44:13,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:44:13,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:44:13,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:44:13,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:44:13,521 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:44:13,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2022-11-23 06:44:16,720 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:44:17,003 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:44:17,004 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2022-11-23 06:44:17,015 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/data/4824709fa/01fc74d2806440e586591a95f8506e22/FLAG802ac3e58 [2022-11-23 06:44:17,038 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/data/4824709fa/01fc74d2806440e586591a95f8506e22 [2022-11-23 06:44:17,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:44:17,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:44:17,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:44:17,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:44:17,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:44:17,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c18e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17, skipping insertion in model container [2022-11-23 06:44:17,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:44:17,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:44:17,442 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_e158e34a-1519-48db-aca9-0ee8facfc287/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-11-23 06:44:17,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:44:17,467 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:44:17,533 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_e158e34a-1519-48db-aca9-0ee8facfc287/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-11-23 06:44:17,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:44:17,590 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:44:17,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17 WrapperNode [2022-11-23 06:44:17,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:44:17,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:44:17,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:44:17,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:44:17,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,673 INFO L138 Inliner]: procedures = 170, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-23 06:44:17,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:44:17,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:44:17,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:44:17,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:44:17,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,698 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:44:17,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:44:17,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:44:17,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:44:17,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (1/1) ... [2022-11-23 06:44:17,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:44:17,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:17,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:17,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:44:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-23 06:44:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-23 06:44:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:44:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:44:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:44:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 06:44:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 06:44:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:44:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:44:17,826 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:44:18,016 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:44:18,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:44:18,286 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:44:18,293 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:44:18,303 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 06:44:18,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:18 BoogieIcfgContainer [2022-11-23 06:44:18,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:44:18,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:44:18,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:44:18,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:44:18,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:44:17" (1/3) ... [2022-11-23 06:44:18,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63096fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:18, skipping insertion in model container [2022-11-23 06:44:18,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:17" (2/3) ... [2022-11-23 06:44:18,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63096fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:18, skipping insertion in model container [2022-11-23 06:44:18,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:18" (3/3) ... [2022-11-23 06:44:18,317 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2022-11-23 06:44:18,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:44:18,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 06:44:18,337 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:44:18,430 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 06:44:18,479 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:18,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:44:18,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:18,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:18,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:44:18,552 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:44:18,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2022-11-23 06:44:18,572 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;@39b9b6d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:18,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 06:44:18,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-23 06:44:18,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:44:18,798 INFO L85 PathProgramCache]: Analyzing trace with hash -664783221, now seen corresponding path program 1 times [2022-11-23 06:44:18,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:44:18,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808345714] [2022-11-23 06:44:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:44:18,812 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 [2022-11-23 06:44:18,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:44:18,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:44:18,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:44:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:44:18,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 06:44:18,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:44:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:44:19,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:44:19,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:44:19,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808345714] [2022-11-23 06:44:19,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808345714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:44:19,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:44:19,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 06:44:19,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754557337] [2022-11-23 06:44:19,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:44:19,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 06:44:19,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:44:19,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 06:44:19,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 06:44:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:19,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:44:19,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 06:44:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:19,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:44:19,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:44:19,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:44:19,327 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-23 06:44:19,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:44:19,328 INFO L85 PathProgramCache]: Analyzing trace with hash -664782260, now seen corresponding path program 1 times [2022-11-23 06:44:19,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:44:19,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160900885] [2022-11-23 06:44:19,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:44:19,329 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 [2022-11-23 06:44:19,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:44:19,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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) [2022-11-23 06:44:19,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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 (4)] Waiting until timeout for monitored process [2022-11-23 06:44:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:44:19,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 06:44:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:44:19,508 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-23 06:44:19,509 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 06:44:19,510 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-23 06:44:19,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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 (4)] Forceful destruction successful, exit code 0 [2022-11-23 06:44:19,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e158e34a-1519-48db-aca9-0ee8facfc287/bin/ugemcutter-1C6z4D84am/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 [2022-11-23 06:44:19,736 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 06:44:19,738 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was UNSAFE (1/2) [2022-11-23 06:44:19,741 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 06:44:19,741 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 06:44:19,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:44:19 BasicIcfg [2022-11-23 06:44:19,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 06:44:19,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 06:44:19,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 06:44:19,769 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 06:44:19,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:18" (3/4) ... [2022-11-23 06:44:19,772 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 06:44:19,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 06:44:19,774 INFO L158 Benchmark]: Toolchain (without parser) took 2730.67ms. Allocated memory is still 86.0MB. Free memory was 62.8MB in the beginning and 37.1MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 06:44:19,774 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:19,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.19ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 42.3MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 06:44:19,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.78ms. Allocated memory is still 86.0MB. Free memory was 42.3MB in the beginning and 65.5MB in the end (delta: -23.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-11-23 06:44:19,776 INFO L158 Benchmark]: Boogie Preprocessor took 28.35ms. Allocated memory is still 86.0MB. Free memory was 65.5MB in the beginning and 64.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:19,776 INFO L158 Benchmark]: RCFGBuilder took 602.59ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 50.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 06:44:19,777 INFO L158 Benchmark]: TraceAbstraction took 1461.40ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 37.6MB in the end (delta: 12.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-23 06:44:19,777 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 86.0MB. Free memory was 37.6MB in the beginning and 37.1MB in the end (delta: 477.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:44:19,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.19ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 42.3MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.78ms. Allocated memory is still 86.0MB. Free memory was 42.3MB in the beginning and 65.5MB in the end (delta: -23.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.35ms. Allocated memory is still 86.0MB. Free memory was 65.5MB in the beginning and 64.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.59ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 50.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1461.40ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 37.6MB in the end (delta: 12.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 86.0MB. Free memory was 37.6MB in the beginning and 37.1MB in the end (delta: 477.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 399, independent: 392, independent conditional: 18, independent unconditional: 374, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 14, dependent conditional: 10, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 788, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 376, unknown conditional: 0, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 399, independent: 392, independent conditional: 18, independent unconditional: 374, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 14, dependent conditional: 10, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 788, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 376, unknown conditional: 0, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 10, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 34, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 399, independent: 392, independent conditional: 18, independent unconditional: 374, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 14, dependent conditional: 10, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 788, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 376, unknown conditional: 0, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 0.0s, Number of persistent set computation: 34, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 399, independent: 392, independent conditional: 18, independent unconditional: 374, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 14, dependent conditional: 10, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 36, independent unconditional: 748, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 788, independent: 784, independent conditional: 0, independent unconditional: 784, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 788, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 376, unknown conditional: 0, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 10, Statistics for Abstraction: - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 695. Possible FailurePath: [L700] 0 pthread_t t; VAL [t={3:0}] [L701] COND TRUE 0 1 VAL [t={3:0}] [L703] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [#in~arg={0:0}, pthread_create(&t, 0, thr1, 0)=0, t={3:0}] [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); VAL [#in~arg={0:0}, __VERIFIER_nondet_uint()=0, arg={0:0}, x=0] [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); VAL [#in~arg={0:0}, __VERIFIER_nondet_uint()=-2147483648, arg={0:0}, x=0, y=-2147483648] [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); VAL [#in~arg={0:0}, __VERIFIER_nondet_uint()=0, arg={0:0}, x=0, y=-2147483648, z=0] [L687] 1 int i, j=1, k=1; VAL [#in~arg={0:0}, arg={0:0}, j=1, k=1, x=0, y=-2147483648, z=0] [L688] 1 i=0 VAL [#in~arg={0:0}, arg={0:0}, i=0, j=1, k=1, x=0, y=-2147483648, z=0] [L688] COND FALSE 1 !(i