./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 06:50:49,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:50:49,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:50:49,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:50:49,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:50:49,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:50:49,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:50:49,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:50:49,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:50:49,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:50:49,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:50:49,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:50:49,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:50:49,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:50:49,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:50:49,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:50:49,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:50:49,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:50:49,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:50:49,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:50:49,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:50:49,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:50:49,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:50:49,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:50:49,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:50:49,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:50:49,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:50:49,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:50:49,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:50:49,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:50:49,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:50:49,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:50:49,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:50:49,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:50:49,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:50:49,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:50:49,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:50:49,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:50:49,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:50:49,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:50:49,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:50:49,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-23 06:50:49,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:50:49,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:50:49,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:50:49,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:50:49,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:50:49,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:50:49,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:50:49,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:50:49,429 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:50:49,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:50:49,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:50:49,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:50:49,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:50:49,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:50:49,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:50:49,432 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 06:50:49,432 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 06:50:49,432 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 06:50:49,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:50:49,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 06:50:49,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:50:49,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:50:49,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:50:49,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:50:49,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:50:49,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:50:49,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:50:49,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:50:49,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:50:49,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:50:49,435 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:50:49,435 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:50:49,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:50:49,435 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:50:49,436 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:50:49,436 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_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2022-11-23 06:50:49,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:50:49,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:50:49,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:50:49,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:50:49,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:50:49,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-11-23 06:50:52,959 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:50:53,212 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:50:53,213 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-11-23 06:50:53,227 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/data/7b6fa0612/82a152607ea5476dbce2e97e31703d22/FLAGfbb4f237b [2022-11-23 06:50:53,243 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/data/7b6fa0612/82a152607ea5476dbce2e97e31703d22 [2022-11-23 06:50:53,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:50:53,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:50:53,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:50:53,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:50:53,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:50:53,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64573089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53, skipping insertion in model container [2022-11-23 06:50:53,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:50:53,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:50:53,497 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_a52b47aa-fa44-48b5-b148-e59803933f19/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2022-11-23 06:50:53,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:50:53,668 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:50:53,687 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_a52b47aa-fa44-48b5-b148-e59803933f19/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2022-11-23 06:50:53,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:50:53,786 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:50:53,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53 WrapperNode [2022-11-23 06:50:53,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:50:53,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:50:53,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:50:53,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:50:53,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,850 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-23 06:50:53,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:50:53,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:50:53,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:50:53,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:50:53,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:50:53,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:50:53,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:50:53,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:50:53,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (1/1) ... [2022-11-23 06:50:53,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:50:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:50:53,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:50:53,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:50:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 06:50:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 06:50:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 06:50:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:50:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:50:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 06:50:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 06:50:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:50:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 06:50:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:50:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:50:53,966 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:50:54,087 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:50:54,089 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:50:54,340 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:50:54,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:50:54,347 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 06:50:54,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:50:54 BoogieIcfgContainer [2022-11-23 06:50:54,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:50:54,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:50:54,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:50:54,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:50:54,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:50:53" (1/3) ... [2022-11-23 06:50:54,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b69512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:50:54, skipping insertion in model container [2022-11-23 06:50:54,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:53" (2/3) ... [2022-11-23 06:50:54,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b69512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:50:54, skipping insertion in model container [2022-11-23 06:50:54,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:50:54" (3/3) ... [2022-11-23 06:50:54,369 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2022-11-23 06:50:54,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:50:54,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-23 06:50:54,387 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:50:54,451 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 06:50:54,497 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:50:54,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:50:54,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:50:54,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:50:54,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:50:54,562 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:50:54,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-23 06:50:54,588 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;@2ab941b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:50:54,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 06:50:54,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-23 06:50:54,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:50:54,799 INFO L85 PathProgramCache]: Analyzing trace with hash 829438784, now seen corresponding path program 1 times [2022-11-23 06:50:54,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:50:54,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783857957] [2022-11-23 06:50:54,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:50:54,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:50:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:50:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:50:55,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:50:55,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783857957] [2022-11-23 06:50:55,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783857957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:50:55,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:50:55,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 06:50:55,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501938582] [2022-11-23 06:50:55,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:50:55,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 06:50:55,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:50:55,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 06:50:55,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 06:50:55,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:55,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:50:55,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 06:50:55,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:50:55,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 06:50:55,508 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-23 06:50:55,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:50:55,509 INFO L85 PathProgramCache]: Analyzing trace with hash -915577078, now seen corresponding path program 1 times [2022-11-23 06:50:55,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:50:55,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87246629] [2022-11-23 06:50:55,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:50:55,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:50:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:50:55,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 06:50:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:50:55,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 06:50:55,577 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 06:50:55,579 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-23 06:50:55,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 06:50:55,590 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 06:50:55,592 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2022-11-23 06:50:55,596 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 06:50:55,596 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 06:50:55,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:50:55 BasicIcfg [2022-11-23 06:50:55,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 06:50:55,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 06:50:55,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 06:50:55,641 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 06:50:55,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:50:54" (3/4) ... [2022-11-23 06:50:55,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 06:50:55,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 06:50:55,646 INFO L158 Benchmark]: Toolchain (without parser) took 2398.63ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 111.6MB in the beginning and 124.8MB in the end (delta: -13.2MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-11-23 06:50:55,647 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:50:55,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.49ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 92.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 06:50:55,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.56ms. Allocated memory is still 155.2MB. Free memory was 92.2MB in the beginning and 90.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 06:50:55,652 INFO L158 Benchmark]: Boogie Preprocessor took 23.19ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 89.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:50:55,653 INFO L158 Benchmark]: RCFGBuilder took 469.88ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 76.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 06:50:55,654 INFO L158 Benchmark]: TraceAbstraction took 1286.82ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 75.4MB in the beginning and 124.8MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:50:55,654 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 199.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:50:55,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.49ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 92.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.56ms. Allocated memory is still 155.2MB. Free memory was 92.2MB in the beginning and 90.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.19ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 89.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.88ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 76.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1286.82ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 75.4MB in the beginning and 124.8MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 199.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 206, independent: 205, independent conditional: 18, independent unconditional: 187, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 416, independent: 414, independent conditional: 40, independent unconditional: 374, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 414, independent: 414, independent conditional: 40, independent unconditional: 374, 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: 414, independent: 414, independent conditional: 40, independent unconditional: 374, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 288, independent: 288, independent conditional: 0, independent unconditional: 288, 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: 288, independent: 288, independent conditional: 0, independent unconditional: 288, 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: 414, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 187, Positive conditional cache size: 0, Positive unconditional cache size: 187, 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: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 210, independent: 209, independent conditional: 22, independent unconditional: 187, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 416, independent: 414, independent conditional: 40, independent unconditional: 374, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 414, independent: 414, independent conditional: 40, independent unconditional: 374, 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: 414, independent: 414, independent conditional: 40, independent unconditional: 374, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 288, independent: 288, independent conditional: 0, independent unconditional: 288, 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: 288, independent: 288, independent conditional: 0, independent unconditional: 288, 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: 414, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 288, Positive conditional cache size: 0, Positive unconditional cache size: 288, 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: 2, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 41, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 187, independent: 187, independent conditional: 0, independent unconditional: 187, 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: 206, independent: 205, independent conditional: 18, independent unconditional: 187, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 416, independent: 414, independent conditional: 40, independent unconditional: 374, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 414, independent: 414, independent conditional: 40, independent unconditional: 374, 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: 414, independent: 414, independent conditional: 40, independent unconditional: 374, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 288, independent: 288, independent conditional: 0, independent unconditional: 288, 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: 288, independent: 288, independent conditional: 0, independent unconditional: 288, 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: 414, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 187, Positive conditional cache size: 0, Positive unconditional cache size: 187, 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: 1, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 41, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 187, independent: 187, independent conditional: 0, independent unconditional: 187, 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: 210, independent: 209, independent conditional: 22, independent unconditional: 187, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 416, independent: 414, independent conditional: 40, independent unconditional: 374, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 414, independent: 414, independent conditional: 40, independent unconditional: 374, 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: 414, independent: 414, independent conditional: 40, independent unconditional: 374, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 414, independent: 414, independent conditional: 0, independent unconditional: 414, 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: 288, independent: 288, independent conditional: 0, independent unconditional: 288, 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: 288, independent: 288, independent conditional: 0, independent unconditional: 288, 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: 414, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 288, Positive conditional cache size: 0, Positive unconditional cache size: 288, 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: 2, 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 glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [#in~arg={0:0}, __VERIFIER_nondet_int()=0, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [#in~arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [#in~arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) VAL [cond=0, glob1=0, mutex1={3:0}, unknown-#in~cond-unknown=0] [L19] 1 reach_error() VAL [cond=0, glob1=0, mutex1={3:0}, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 95 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-11-23 06:50:55,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 06:50:55,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 06:50:58,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:50:58,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:50:58,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:50:58,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:50:58,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:50:58,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:50:58,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:50:58,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:50:58,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:50:58,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:50:58,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:50:58,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:50:58,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:50:58,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:50:58,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:50:58,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:50:58,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:50:58,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:50:58,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:50:58,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:50:58,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:50:58,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:50:58,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:50:58,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:50:58,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:50:58,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:50:58,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:50:58,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:50:58,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:50:58,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:50:58,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:50:58,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:50:58,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:50:58,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:50:58,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:50:58,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:50:58,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:50:58,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:50:58,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:50:58,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:50:58,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-11-23 06:50:58,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:50:58,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:50:58,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:50:58,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:50:58,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:50:58,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:50:58,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:50:58,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:50:58,397 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:50:58,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:50:58,398 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:50:58,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:50:58,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:50:58,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:50:58,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:50:58,399 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 06:50:58,399 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 06:50:58,399 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 06:50:58,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:50:58,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 06:50:58,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 06:50:58,400 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 06:50:58,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:50:58,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:50:58,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:50:58,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:50:58,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:50:58,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:50:58,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:50:58,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:50:58,402 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 06:50:58,403 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 06:50:58,403 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:50:58,403 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:50:58,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:50:58,403 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:50:58,404 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:50:58,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 06:50:58,404 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_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2022-11-23 06:50:58,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:50:58,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:50:58,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:50:58,781 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:50:58,782 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:50:58,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-11-23 06:51:01,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:51:02,194 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:51:02,195 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-11-23 06:51:02,207 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/data/d935835f4/b662174d71bf48f98895c22a4de4c72f/FLAG743e569ff [2022-11-23 06:51:02,227 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/data/d935835f4/b662174d71bf48f98895c22a4de4c72f [2022-11-23 06:51:02,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:51:02,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:51:02,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:51:02,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:51:02,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:51:02,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad32198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02, skipping insertion in model container [2022-11-23 06:51:02,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:51:02,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:51:02,445 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_a52b47aa-fa44-48b5-b148-e59803933f19/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2022-11-23 06:51:02,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:51:02,613 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:51:02,625 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_a52b47aa-fa44-48b5-b148-e59803933f19/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2022-11-23 06:51:02,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:51:02,692 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:51:02,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02 WrapperNode [2022-11-23 06:51:02,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:51:02,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:51:02,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:51:02,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:51:02,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,754 INFO L138 Inliner]: procedures = 167, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-23 06:51:02,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:51:02,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:51:02,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:51:02,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:51:02,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:51:02,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:51:02,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:51:02,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:51:02,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (1/1) ... [2022-11-23 06:51:02,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:51:02,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:51:02,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:51:02,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:51:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 06:51:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 06:51:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:51:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:51:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 06:51:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 06:51:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:51:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 06:51:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 06:51:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-23 06:51:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:51:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:51:02,926 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:51:03,151 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:51:03,154 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:51:03,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:51:03,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:51:03,457 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 06:51:03,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:51:03 BoogieIcfgContainer [2022-11-23 06:51:03,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:51:03,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:51:03,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:51:03,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:51:03,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:51:02" (1/3) ... [2022-11-23 06:51:03,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c09f686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:51:03, skipping insertion in model container [2022-11-23 06:51:03,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:51:02" (2/3) ... [2022-11-23 06:51:03,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c09f686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:51:03, skipping insertion in model container [2022-11-23 06:51:03,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:51:03" (3/3) ... [2022-11-23 06:51:03,480 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2022-11-23 06:51:03,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:51:03,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-23 06:51:03,502 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:51:03,597 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 06:51:03,655 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:51:03,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:51:03,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:51:03,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:51:03,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:51:03,763 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:51:03,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-23 06:51:03,784 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;@70dab7fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:51:03,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 06:51:04,025 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-23 06:51:04,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:51:04,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1949187005, now seen corresponding path program 1 times [2022-11-23 06:51:04,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:51:04,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148728337] [2022-11-23 06:51:04,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:51:04,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 06:51:04,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:51:04,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 06:51:04,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 06:51:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:51:04,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 06:51:04,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:51:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:51:04,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:51:04,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 06:51:04,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148728337] [2022-11-23 06:51:04,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148728337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:51:04,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:51:04,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 06:51:04,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375648637] [2022-11-23 06:51:04,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:51:04,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 06:51:04,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 06:51:04,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 06:51:04,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 06:51:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:04,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:51:04,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 06:51:04,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 06:51:04,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 06:51:04,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 06:51:04,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-23 06:51:04,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:51:04,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1295098164, now seen corresponding path program 1 times [2022-11-23 06:51:04,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:51:04,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441810985] [2022-11-23 06:51:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:51:04,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 06:51:04,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:51:04,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 06:51:04,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 06:51:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:51:04,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 06:51:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:51:04,857 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-23 06:51:04,857 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 06:51:04,859 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-23 06:51:04,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 06:51:05,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 06:51:05,069 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 06:51:05,071 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2022-11-23 06:51:05,075 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 06:51:05,075 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 06:51:05,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:51:05 BasicIcfg [2022-11-23 06:51:05,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 06:51:05,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 06:51:05,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 06:51:05,130 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 06:51:05,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:51:03" (3/4) ... [2022-11-23 06:51:05,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 06:51:05,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 06:51:05,136 INFO L158 Benchmark]: Toolchain (without parser) took 2903.37ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 58.4MB in the beginning and 72.6MB in the end (delta: -14.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-11-23 06:51:05,136 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:51:05,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.24ms. Allocated memory is still 81.8MB. Free memory was 58.1MB in the beginning and 38.1MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 06:51:05,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.09ms. Allocated memory is still 81.8MB. Free memory was 38.1MB in the beginning and 61.2MB in the end (delta: -23.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-11-23 06:51:05,145 INFO L158 Benchmark]: Boogie Preprocessor took 26.80ms. Allocated memory is still 81.8MB. Free memory was 61.2MB in the beginning and 59.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:51:05,147 INFO L158 Benchmark]: RCFGBuilder took 676.38ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 45.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 06:51:05,150 INFO L158 Benchmark]: TraceAbstraction took 1666.78ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 44.4MB in the beginning and 72.6MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:51:05,151 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 104.9MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:51:05,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.24ms. Allocated memory is still 81.8MB. Free memory was 58.1MB in the beginning and 38.1MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.09ms. Allocated memory is still 81.8MB. Free memory was 38.1MB in the beginning and 61.2MB in the end (delta: -23.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.80ms. Allocated memory is still 81.8MB. Free memory was 61.2MB in the beginning and 59.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 676.38ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 45.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1666.78ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 44.4MB in the beginning and 72.6MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 104.9MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 194, independent: 193, independent conditional: 16, independent unconditional: 177, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 393, independent: 391, independent conditional: 37, independent unconditional: 354, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 391, independent: 391, independent conditional: 37, independent unconditional: 354, 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: 391, independent: 391, independent conditional: 37, independent unconditional: 354, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 278, independent: 278, independent conditional: 0, independent unconditional: 278, 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: 278, independent: 278, independent conditional: 0, independent unconditional: 278, 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: 391, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 177, Positive cache size: 177, Positive conditional cache size: 0, Positive unconditional cache size: 177, 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: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 199, independent: 198, independent conditional: 21, independent unconditional: 177, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 393, independent: 391, independent conditional: 37, independent unconditional: 354, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 391, independent: 391, independent conditional: 37, independent unconditional: 354, 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: 391, independent: 391, independent conditional: 37, independent unconditional: 354, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 278, independent: 278, independent conditional: 0, independent unconditional: 278, 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: 278, independent: 278, independent conditional: 0, independent unconditional: 278, 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: 391, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, 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: 2, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 41, Number of trivial persistent sets: 27, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 177, independent: 177, independent conditional: 0, independent unconditional: 177, 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: 194, independent: 193, independent conditional: 16, independent unconditional: 177, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 393, independent: 391, independent conditional: 37, independent unconditional: 354, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 391, independent: 391, independent conditional: 37, independent unconditional: 354, 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: 391, independent: 391, independent conditional: 37, independent unconditional: 354, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 278, independent: 278, independent conditional: 0, independent unconditional: 278, 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: 278, independent: 278, independent conditional: 0, independent unconditional: 278, 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: 391, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 177, Positive cache size: 177, Positive conditional cache size: 0, Positive unconditional cache size: 177, 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: 1, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 41, Number of trivial persistent sets: 27, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 177, independent: 177, independent conditional: 0, independent unconditional: 177, 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: 199, independent: 198, independent conditional: 21, independent unconditional: 177, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 393, independent: 391, independent conditional: 37, independent unconditional: 354, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 391, independent: 391, independent conditional: 37, independent unconditional: 354, 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: 391, independent: 391, independent conditional: 37, independent unconditional: 354, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 391, independent: 391, independent conditional: 0, independent unconditional: 391, 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: 278, independent: 278, independent conditional: 0, independent unconditional: 278, 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: 278, independent: 278, independent conditional: 0, independent unconditional: 278, 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: 391, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, 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: 2, 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 glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={7:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={7:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [#in~arg={0:0}, __VERIFIER_nondet_int()=0, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [#in~arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [#in~arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) VAL [cond=0, glob1=0, mutex1={3:0}, unknown-#in~cond-unknown=0] [L19] 1 reach_error() VAL [cond=0, glob1=0, mutex1={3:0}, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 94 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 3 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-11-23 06:51:05,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 06:51:05,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b47aa-fa44-48b5-b148-e59803933f19/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample