./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36105814f7d14243ca8b55776979fcada1717aa30ae4c259b302358b1f244a48 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 08:44:00,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:44:00,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:44:00,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:44:00,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:44:00,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:44:00,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:44:00,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:44:00,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:44:00,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:44:00,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:44:00,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:44:00,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:44:00,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:44:00,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:44:00,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:44:00,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:44:00,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:44:00,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:44:00,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:44:00,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:44:00,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:44:00,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:44:00,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:44:00,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:44:00,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:44:00,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:44:00,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:44:00,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:44:00,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:44:00,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:44:00,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:44:00,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:44:00,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:44:00,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:44:00,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:44:00,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:44:00,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:44:00,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:44:00,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:44:00,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:44:00,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-12-13 08:44:00,340 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:44:00,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:44:00,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:44:00,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:44:00,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:44:00,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:44:00,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:44:00,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:44:00,342 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:44:00,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:44:00,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:44:00,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:44:00,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:44:00,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:44:00,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:44:00,343 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 08:44:00,344 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 08:44:00,344 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 08:44:00,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:44:00,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 08:44:00,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:44:00,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:44:00,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:44:00,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:44:00,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:44:00,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:44:00,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:44:00,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:44:00,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:44:00,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:44:00,346 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:44:00,346 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:44:00,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:44:00,346 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:44:00,347 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:44:00,347 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_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36105814f7d14243ca8b55776979fcada1717aa30ae4c259b302358b1f244a48 [2022-12-13 08:44:00,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:44:00,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:44:00,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:44:00,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:44:00,532 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:44:00,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-13 08:44:03,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:44:03,454 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:44:03,455 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-13 08:44:03,466 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/data/4df0361fa/145303f13b8b4144bfcabb1afa1dd23b/FLAG46debaa48 [2022-12-13 08:44:03,481 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/data/4df0361fa/145303f13b8b4144bfcabb1afa1dd23b [2022-12-13 08:44:03,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:44:03,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:44:03,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:44:03,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:44:03,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:44:03,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dd0df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03, skipping insertion in model container [2022-12-13 08:44:03,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:44:03,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:44:03,645 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_fac4adc9-a26c-488d-b809-09b01f4fdb83/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-12-13 08:44:03,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:44:03,748 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:44:03,757 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_fac4adc9-a26c-488d-b809-09b01f4fdb83/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-12-13 08:44:03,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:44:03,796 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:44:03,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03 WrapperNode [2022-12-13 08:44:03,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:44:03,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:44:03,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:44:03,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:44:03,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,826 INFO L138 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-13 08:44:03,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:44:03,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:44:03,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:44:03,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:44:03,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,840 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:44:03,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:44:03,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:44:03,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:44:03,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (1/1) ... [2022-12-13 08:44:03,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:44:03,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:44:03,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:44:03,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:44:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:44:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 08:44:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:44:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:44:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 08:44:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 08:44:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:44:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:44:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:44:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:44:03,903 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:44:04,004 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:44:04,006 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:44:04,135 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:44:04,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:44:04,140 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 08:44:04,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:44:04 BoogieIcfgContainer [2022-12-13 08:44:04,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:44:04,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:44:04,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:44:04,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:44:04,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:44:03" (1/3) ... [2022-12-13 08:44:04,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc37dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:44:04, skipping insertion in model container [2022-12-13 08:44:04,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:03" (2/3) ... [2022-12-13 08:44:04,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc37dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:44:04, skipping insertion in model container [2022-12-13 08:44:04,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:44:04" (3/3) ... [2022-12-13 08:44:04,148 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-13 08:44:04,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:44:04,163 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 08:44:04,163 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:44:04,208 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 08:44:04,250 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:44:04,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:44:04,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:44:04,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:44:04,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:44:04,293 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:44:04,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 08:44:04,306 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;@1df8b5e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:44:04,307 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 08:44:04,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-12-13 08:44:04,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:44:04,467 INFO L85 PathProgramCache]: Analyzing trace with hash -415762490, now seen corresponding path program 1 times [2022-12-13 08:44:04,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:44:04,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656188335] [2022-12-13 08:44:04,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:44:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:44:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:44:04,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 08:44:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:44:04,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 08:44:04,631 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 08:44:04,632 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2022-12-13 08:44:04,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining) [2022-12-13 08:44:04,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 5 remaining) [2022-12-13 08:44:04,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2022-12-13 08:44:04,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-13 08:44:04,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 08:44:04,640 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 08:44:04,644 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 08:44:04,644 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 08:44:04,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:44:04 BasicIcfg [2022-12-13 08:44:04,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 08:44:04,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 08:44:04,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 08:44:04,669 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 08:44:04,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:44:04" (3/4) ... [2022-12-13 08:44:04,672 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 08:44:04,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 08:44:04,673 INFO L158 Benchmark]: Toolchain (without parser) took 1187.98ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 94.4MB in the beginning and 104.5MB in the end (delta: -10.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-12-13 08:44:04,673 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:44:04,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.95ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 75.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 08:44:04,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.66ms. Allocated memory is still 127.9MB. Free memory was 75.1MB in the beginning and 73.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:44:04,674 INFO L158 Benchmark]: Boogie Preprocessor took 15.54ms. Allocated memory is still 127.9MB. Free memory was 73.1MB in the beginning and 71.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:44:04,674 INFO L158 Benchmark]: RCFGBuilder took 299.68ms. Allocated memory is still 127.9MB. Free memory was 71.8MB in the beginning and 58.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 08:44:04,675 INFO L158 Benchmark]: TraceAbstraction took 524.36ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 57.6MB in the beginning and 104.5MB in the end (delta: -46.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:44:04,675 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 155.2MB. Free memory was 104.5MB in the beginning and 104.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:44:04,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.95ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 75.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.66ms. Allocated memory is still 127.9MB. Free memory was 75.1MB in the beginning and 73.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.54ms. Allocated memory is still 127.9MB. Free memory was 73.1MB in the beginning and 71.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.68ms. Allocated memory is still 127.9MB. Free memory was 71.8MB in the beginning and 58.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 524.36ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 57.6MB in the beginning and 104.5MB in the end (delta: -46.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 155.2MB. Free memory was 104.5MB in the beginning and 104.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 271, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 271, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 265, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 244, unknown conditional: 0, unknown unconditional: 244] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 244, Positive conditional cache size: 0, Positive unconditional cache size: 244, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 55, Number of trivial persistent sets: 37, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 271, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 271, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 265, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 244, unknown conditional: 0, unknown unconditional: 244] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 244, Positive conditional cache size: 0, Positive unconditional cache size: 244, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6, Statistics for Abstraction: - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, A={3:0}, B={4:0}, g=42, r=1] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=1] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=1] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1] [L700] COND TRUE 0 \read(r) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=1] [L701] 0 g = 17 VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1, t=17] [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 95 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 08:44:04,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 08:44:04,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36105814f7d14243ca8b55776979fcada1717aa30ae4c259b302358b1f244a48 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 08:44:06,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:44:06,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:44:06,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:44:06,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:44:06,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:44:06,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:44:06,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:44:06,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:44:06,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:44:06,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:44:06,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:44:06,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:44:06,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:44:06,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:44:06,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:44:06,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:44:06,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:44:06,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:44:06,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:44:06,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:44:06,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:44:06,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:44:06,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:44:06,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:44:06,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:44:06,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:44:06,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:44:06,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:44:06,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:44:06,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:44:06,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:44:06,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:44:06,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:44:06,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:44:06,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:44:06,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:44:06,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:44:06,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:44:06,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:44:06,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:44:06,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-12-13 08:44:06,657 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:44:06,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:44:06,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:44:06,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:44:06,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:44:06,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:44:06,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:44:06,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:44:06,660 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:44:06,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:44:06,661 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:44:06,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:44:06,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:44:06,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:44:06,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:44:06,662 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 08:44:06,662 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 08:44:06,662 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 08:44:06,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:44:06,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 08:44:06,663 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 08:44:06,663 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 08:44:06,663 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:44:06,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:44:06,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:44:06,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:44:06,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:44:06,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:44:06,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:44:06,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:44:06,665 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 08:44:06,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 08:44:06,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:44:06,665 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:44:06,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:44:06,666 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:44:06,666 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:44:06,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 08:44:06,666 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36105814f7d14243ca8b55776979fcada1717aa30ae4c259b302358b1f244a48 [2022-12-13 08:44:06,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:44:06,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:44:06,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:44:06,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:44:06,922 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:44:06,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-13 08:44:09,492 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:44:09,696 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:44:09,696 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-13 08:44:09,705 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/data/3d9bff57b/b1daf034a7aa4a19b746954cea9926ff/FLAGa1f040b97 [2022-12-13 08:44:10,041 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/data/3d9bff57b/b1daf034a7aa4a19b746954cea9926ff [2022-12-13 08:44:10,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:44:10,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:44:10,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:44:10,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:44:10,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:44:10,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34dcc930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10, skipping insertion in model container [2022-12-13 08:44:10,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:44:10,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:44:10,217 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_fac4adc9-a26c-488d-b809-09b01f4fdb83/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-12-13 08:44:10,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:44:10,337 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:44:10,345 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_fac4adc9-a26c-488d-b809-09b01f4fdb83/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-12-13 08:44:10,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:44:10,392 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:44:10,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10 WrapperNode [2022-12-13 08:44:10,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:44:10,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:44:10,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:44:10,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:44:10,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,422 INFO L138 Inliner]: procedures = 167, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-13 08:44:10,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:44:10,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:44:10,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:44:10,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:44:10,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:44:10,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:44:10,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:44:10,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:44:10,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (1/1) ... [2022-12-13 08:44:10,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:44:10,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:44:10,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:44:10,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 08:44:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 08:44:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:44:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:44:10,525 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:44:10,627 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:44:10,629 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:44:10,792 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:44:10,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:44:10,798 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 08:44:10,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:44:10 BoogieIcfgContainer [2022-12-13 08:44:10,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:44:10,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:44:10,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:44:10,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:44:10,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:44:10" (1/3) ... [2022-12-13 08:44:10,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de480e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:44:10, skipping insertion in model container [2022-12-13 08:44:10,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:44:10" (2/3) ... [2022-12-13 08:44:10,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de480e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:44:10, skipping insertion in model container [2022-12-13 08:44:10,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:44:10" (3/3) ... [2022-12-13 08:44:10,808 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-12-13 08:44:10,826 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:44:10,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 08:44:10,827 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:44:10,873 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 08:44:10,903 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:44:10,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:44:10,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:44:10,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:44:10,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:44:10,936 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:44:10,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 08:44:10,948 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;@4d3a98cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:44:10,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 08:44:11,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-12-13 08:44:11,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:44:11,093 INFO L85 PathProgramCache]: Analyzing trace with hash 883072000, now seen corresponding path program 1 times [2022-12-13 08:44:11,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 08:44:11,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878744412] [2022-12-13 08:44:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:44:11,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 08:44:11,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 08:44:11,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 08:44:11,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 08:44:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:44:11,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 08:44:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 08:44:11,272 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 08:44:11,274 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 08:44:11,275 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2022-12-13 08:44:11,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining) [2022-12-13 08:44:11,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 5 remaining) [2022-12-13 08:44:11,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2022-12-13 08:44:11,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-13 08:44:11,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-12-13 08:44:11,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 08:44:11,498 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 08:44:11,510 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 08:44:11,511 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 08:44:11,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:44:11 BasicIcfg [2022-12-13 08:44:11,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 08:44:11,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 08:44:11,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 08:44:11,603 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 08:44:11,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:44:10" (3/4) ... [2022-12-13 08:44:11,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 08:44:11,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 08:44:11,610 INFO L158 Benchmark]: Toolchain (without parser) took 1566.15ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 44.4MB in the end (delta: 19.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-12-13 08:44:11,611 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:44:11,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.26ms. Allocated memory is still 86.0MB. Free memory was 63.1MB in the beginning and 43.1MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 08:44:11,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.96ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 41.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:44:11,614 INFO L158 Benchmark]: Boogie Preprocessor took 18.11ms. Allocated memory is still 86.0MB. Free memory was 41.0MB in the beginning and 39.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:44:11,614 INFO L158 Benchmark]: RCFGBuilder took 358.57ms. Allocated memory is still 86.0MB. Free memory was 39.3MB in the beginning and 52.1MB in the end (delta: -12.7MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-12-13 08:44:11,615 INFO L158 Benchmark]: TraceAbstraction took 798.92ms. Allocated memory is still 86.0MB. Free memory was 51.2MB in the beginning and 44.9MB in the end (delta: 6.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-12-13 08:44:11,616 INFO L158 Benchmark]: Witness Printer took 5.98ms. Allocated memory is still 86.0MB. Free memory was 44.9MB in the beginning and 44.4MB in the end (delta: 484.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:44:11,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.26ms. Allocated memory is still 86.0MB. Free memory was 63.1MB in the beginning and 43.1MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.96ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 41.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.11ms. Allocated memory is still 86.0MB. Free memory was 41.0MB in the beginning and 39.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.57ms. Allocated memory is still 86.0MB. Free memory was 39.3MB in the beginning and 52.1MB in the end (delta: -12.7MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * TraceAbstraction took 798.92ms. Allocated memory is still 86.0MB. Free memory was 51.2MB in the beginning and 44.9MB in the end (delta: 6.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 5.98ms. Allocated memory is still 86.0MB. Free memory was 44.9MB in the beginning and 44.4MB in the end (delta: 484.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 271, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 271, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 265, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 244, unknown conditional: 0, unknown unconditional: 244] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 244, Positive conditional cache size: 0, Positive unconditional cache size: 244, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 55, Number of trivial persistent sets: 37, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 271, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 271, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 21, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 265, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 244, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 265, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 244, unknown conditional: 0, unknown unconditional: 244] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 244, Positive conditional cache size: 0, Positive unconditional cache size: 244, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6, Statistics for Abstraction: - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=-2147483648, A={3:0}, B={4:0}, g=42, r=-2147483648] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=-2147483648] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={7:0}, r=-2147483648] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={7:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0, r=-2147483648] [L700] COND TRUE 0 \read(r) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={7:0}, r=-2147483648] [L701] 0 g = 17 VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={7:0}, r=-2147483648] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={7:0}, r=-2147483648, t=17] [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 95 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 08:44:11,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-12-13 08:44:11,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac4adc9-a26c-488d-b809-09b01f4fdb83/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample