./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- 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 06:43:21,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:43:21,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:43:21,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:43:21,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:43:21,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:43:21,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:43:21,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:43:21,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:43:21,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:43:21,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:43:21,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:43:21,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:43:21,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:43:21,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:43:21,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:43:21,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:43:21,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:43:21,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:43:21,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:43:21,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:43:21,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:43:21,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:43:21,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:43:21,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:43:21,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:43:21,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:43:21,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:43:21,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:43:21,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:43:21,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:43:21,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:43:21,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:43:21,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:43:21,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:43:21,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:43:21,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:43:21,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:43:21,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:43:21,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:43:21,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:43:21,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-23 06:43:21,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:43:21,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:43:21,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:43:21,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:43:21,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:43:21,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:43:21,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:43:21,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:43:21,879 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:43:21,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:43:21,881 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:43:21,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:43:21,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:43:21,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:43:21,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:43:21,882 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 06:43:21,882 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 06:43:21,882 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 06:43:21,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:43:21,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 06:43:21,883 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:43:21,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:43:21,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:43:21,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:43:21,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:43:21,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:43:21,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:43:21,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:43:21,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:43:21,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:43:21,885 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:43:21,885 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:43:21,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:43:21,886 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:43:21,886 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:43:21,886 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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2022-11-23 06:43:22,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:43:22,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:43:22,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:43:22,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:43:22,218 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:43:22,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-23 06:43:25,229 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:43:25,455 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:43:25,456 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-23 06:43:25,469 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/data/21a33a72f/295b2e472fb946f0855beb108f930d31/FLAGd77df0593 [2022-11-23 06:43:25,484 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/data/21a33a72f/295b2e472fb946f0855beb108f930d31 [2022-11-23 06:43:25,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:43:25,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:43:25,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:43:25,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:43:25,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:43:25,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:25" (1/1) ... [2022-11-23 06:43:25,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31733c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:25, skipping insertion in model container [2022-11-23 06:43:25,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:25" (1/1) ... [2022-11-23 06:43:25,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:43:25,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:43:25,816 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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-23 06:43:25,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:43:26,008 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:43:26,023 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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-23 06:43:26,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:43:26,105 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:43:26,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26 WrapperNode [2022-11-23 06:43:26,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:43:26,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:43:26,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:43:26,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:43:26,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,156 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-23 06:43:26,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:43:26,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:43:26,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:43:26,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:43:26,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:43:26,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:43:26,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:43:26,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:43:26,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (1/1) ... [2022-11-23 06:43:26,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:43:26,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:43:26,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:43:26,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:43:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 06:43:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 06:43:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 06:43:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:43:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:43:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 06:43:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 06:43:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:43:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 06:43:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:43:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:43:26,287 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 06:43:26,431 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:43:26,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:43:26,646 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:43:26,653 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:43:26,653 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 06:43:26,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:26 BoogieIcfgContainer [2022-11-23 06:43:26,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:43:26,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:43:26,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:43:26,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:43:26,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:43:25" (1/3) ... [2022-11-23 06:43:26,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b44100e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:26, skipping insertion in model container [2022-11-23 06:43:26,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:26" (2/3) ... [2022-11-23 06:43:26,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b44100e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:26, skipping insertion in model container [2022-11-23 06:43:26,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:26" (3/3) ... [2022-11-23 06:43:26,664 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-23 06:43:26,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:43:26,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-23 06:43:26,700 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:43:26,792 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 06:43:26,851 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:43:26,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:43:26,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:43:26,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:43:26,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:43:26,902 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:43:26,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-23 06:43:26,922 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;@72663cf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:43:26,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-23 06:43:27,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-11-23 06:43:27,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:43:27,175 INFO L85 PathProgramCache]: Analyzing trace with hash -939072700, now seen corresponding path program 1 times [2022-11-23 06:43:27,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:43:27,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447937679] [2022-11-23 06:43:27,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:43:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:43:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:43:27,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 06:43:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:43:27,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 06:43:27,441 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 06:43:27,442 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2022-11-23 06:43:27,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2022-11-23 06:43:27,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2022-11-23 06:43:27,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2022-11-23 06:43:27,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2022-11-23 06:43:27,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2022-11-23 06:43:27,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2022-11-23 06:43:27,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 06:43:27,459 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 06:43:27,464 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 06:43:27,464 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 06:43:27,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:43:27 BasicIcfg [2022-11-23 06:43:27,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 06:43:27,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 06:43:27,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 06:43:27,493 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 06:43:27,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:26" (3/4) ... [2022-11-23 06:43:27,497 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 06:43:27,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 06:43:27,498 INFO L158 Benchmark]: Toolchain (without parser) took 2009.92ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 61.4MB in the end (delta: 49.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-11-23 06:43:27,498 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:43:27,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.22ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 113.0MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 06:43:27,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.97ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 06:43:27,500 INFO L158 Benchmark]: Boogie Preprocessor took 24.56ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 109.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:43:27,500 INFO L158 Benchmark]: RCFGBuilder took 473.43ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 95.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 06:43:27,501 INFO L158 Benchmark]: TraceAbstraction took 834.86ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 62.1MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-23 06:43:27,502 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 151.0MB. Free memory was 62.1MB in the beginning and 61.4MB in the end (delta: 645.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:43:27,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.22ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 113.0MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.97ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.56ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 109.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 473.43ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 95.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 834.86ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 62.1MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 151.0MB. Free memory was 62.1MB in the beginning and 61.4MB in the end (delta: 645.0kB). 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: 216, independent: 211, independent conditional: 12, independent unconditional: 199, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 216, independent: 211, independent conditional: 12, independent unconditional: 199, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 211, independent: 211, independent conditional: 12, independent unconditional: 199, 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: 211, independent: 211, independent conditional: 12, independent unconditional: 199, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 211, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 199, unknown conditional: 0, unknown unconditional: 199] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 199, Positive conditional cache size: 0, Positive unconditional cache size: 199, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 43, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 216, independent: 211, independent conditional: 12, independent unconditional: 199, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 216, independent: 211, independent conditional: 12, independent unconditional: 199, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 211, independent: 211, independent conditional: 12, independent unconditional: 199, 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: 211, independent: 211, independent conditional: 12, independent unconditional: 199, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 211, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 199, unknown conditional: 0, unknown unconditional: 199] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 199, Positive conditional cache size: 0, Positive unconditional cache size: 199, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5, Statistics for Abstraction: - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [#in~arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [#in~arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}, unknown-#in~cond-unknown=0] [L19] 0 reach_error() VAL [#in~arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}, unknown-#in~cond-unknown=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 95 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 06:43:27,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-23 06:43:27,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- 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 06:43:30,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:43:30,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:43:30,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:43:30,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:43:30,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:43:30,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:43:30,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:43:30,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:43:30,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:43:30,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:43:30,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:43:30,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:43:30,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:43:30,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:43:30,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:43:30,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:43:30,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:43:30,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:43:30,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:43:30,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:43:30,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:43:30,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:43:30,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:43:30,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:43:30,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:43:30,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:43:30,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:43:30,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:43:30,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:43:30,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:43:30,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:43:30,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:43:30,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:43:30,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:43:30,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:43:30,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:43:30,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:43:30,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:43:30,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:43:30,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:43:30,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-11-23 06:43:30,354 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:43:30,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:43:30,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:43:30,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:43:30,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:43:30,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:43:30,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:43:30,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:43:30,359 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:43:30,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:43:30,360 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:43:30,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:43:30,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:43:30,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:43:30,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:43:30,361 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 06:43:30,361 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 06:43:30,361 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 06:43:30,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:43:30,362 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 06:43:30,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 06:43:30,362 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 06:43:30,362 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:43:30,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:43:30,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:43:30,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:43:30,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:43:30,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:43:30,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:43:30,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:43:30,364 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 06:43:30,364 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 06:43:30,365 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:43:30,365 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:43:30,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:43:30,365 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:43:30,366 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:43:30,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 06:43:30,366 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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2022-11-23 06:43:30,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:43:30,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:43:30,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:43:30,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:43:30,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:43:30,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-23 06:43:33,939 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:43:34,234 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:43:34,235 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-23 06:43:34,247 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/data/64839fa28/97740b4991d246c69318bc4668a1f9b5/FLAG02ddff82e [2022-11-23 06:43:34,261 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/data/64839fa28/97740b4991d246c69318bc4668a1f9b5 [2022-11-23 06:43:34,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:43:34,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:43:34,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:43:34,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:43:34,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:43:34,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed3aee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34, skipping insertion in model container [2022-11-23 06:43:34,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:43:34,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:43:34,495 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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-23 06:43:34,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:43:34,702 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:43:34,725 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_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-23 06:43:34,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:43:34,826 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:43:34,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34 WrapperNode [2022-11-23 06:43:34,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:43:34,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:43:34,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:43:34,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:43:34,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,897 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-23 06:43:34,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:43:34,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:43:34,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:43:34,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:43:34,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,928 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:43:34,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:43:34,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:43:34,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:43:34,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (1/1) ... [2022-11-23 06:43:34,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:43:34,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:43:34,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:43:34,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:43:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 06:43:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 06:43:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:43:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:43:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 06:43:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 06:43:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:43:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 06:43:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 06:43:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-23 06:43:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:43:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:43:35,028 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 06:43:35,161 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:43:35,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:43:35,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:43:35,384 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:43:35,384 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 06:43:35,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:35 BoogieIcfgContainer [2022-11-23 06:43:35,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:43:35,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:43:35,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:43:35,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:43:35,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:43:34" (1/3) ... [2022-11-23 06:43:35,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40041d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:35, skipping insertion in model container [2022-11-23 06:43:35,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:34" (2/3) ... [2022-11-23 06:43:35,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40041d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:35, skipping insertion in model container [2022-11-23 06:43:35,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:35" (3/3) ... [2022-11-23 06:43:35,395 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-23 06:43:35,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:43:35,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-23 06:43:35,414 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:43:35,478 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 06:43:35,540 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:43:35,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:43:35,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:43:35,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:43:35,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:43:35,608 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:43:35,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-23 06:43:35,651 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;@7cb30ee4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:43:35,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-23 06:43:35,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-11-23 06:43:35,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:43:35,894 INFO L85 PathProgramCache]: Analyzing trace with hash 407729490, now seen corresponding path program 1 times [2022-11-23 06:43:35,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 06:43:35,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632297791] [2022-11-23 06:43:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:43:35,918 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 06:43:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/mathsat [2022-11-23 06:43:35,927 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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 06:43:35,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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 06:43:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:43:36,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 06:43:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 06:43:36,160 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-23 06:43:36,162 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 06:43:36,163 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2022-11-23 06:43:36,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2022-11-23 06:43:36,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2022-11-23 06:43:36,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2022-11-23 06:43:36,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2022-11-23 06:43:36,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2022-11-23 06:43:36,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2022-11-23 06:43:36,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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 06:43:36,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/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 06:43:36,386 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 06:43:36,391 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 06:43:36,391 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 06:43:36,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:43:36 BasicIcfg [2022-11-23 06:43:36,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 06:43:36,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 06:43:36,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 06:43:36,432 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 06:43:36,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:35" (3/4) ... [2022-11-23 06:43:36,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 06:43:36,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 06:43:36,436 INFO L158 Benchmark]: Toolchain (without parser) took 2171.08ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 28.7MB in the beginning and 36.8MB in the end (delta: -8.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-23 06:43:36,437 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:43:36,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.17ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 28.5MB in the beginning and 44.7MB in the end (delta: -16.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-23 06:43:36,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.65ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 42.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:43:36,438 INFO L158 Benchmark]: Boogie Preprocessor took 33.62ms. Allocated memory is still 81.8MB. Free memory was 42.6MB in the beginning and 41.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 06:43:36,439 INFO L158 Benchmark]: RCFGBuilder took 453.41ms. Allocated memory is still 81.8MB. Free memory was 41.0MB in the beginning and 47.6MB in the end (delta: -6.7MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-23 06:43:36,440 INFO L158 Benchmark]: TraceAbstraction took 1042.82ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 37.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-23 06:43:36,440 INFO L158 Benchmark]: Witness Printer took 3.49ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 36.8MB in the end (delta: 440.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 06:43:36,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 561.17ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 28.5MB in the beginning and 44.7MB in the end (delta: -16.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.65ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 42.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.62ms. Allocated memory is still 81.8MB. Free memory was 42.6MB in the beginning and 41.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.41ms. Allocated memory is still 81.8MB. Free memory was 41.0MB in the beginning and 47.6MB in the end (delta: -6.7MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1042.82ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 37.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 3.49ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 36.8MB in the end (delta: 440.1kB). Peak memory consumption was 2.1MB. 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: 216, independent: 211, independent conditional: 12, independent unconditional: 199, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 216, independent: 211, independent conditional: 12, independent unconditional: 199, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 211, independent: 211, independent conditional: 12, independent unconditional: 199, 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: 211, independent: 211, independent conditional: 12, independent unconditional: 199, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 211, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 199, unknown conditional: 0, unknown unconditional: 199] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 199, Positive conditional cache size: 0, Positive unconditional cache size: 199, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 44, Number of trivial persistent sets: 44, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 216, independent: 211, independent conditional: 12, independent unconditional: 199, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 216, independent: 211, independent conditional: 12, independent unconditional: 199, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 211, independent: 211, independent conditional: 12, independent unconditional: 199, 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: 211, independent: 211, independent conditional: 12, independent unconditional: 199, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 211, independent: 211, independent conditional: 0, independent unconditional: 211, 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: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 199, independent: 199, independent conditional: 0, independent unconditional: 199, 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: 211, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 199, unknown conditional: 0, unknown unconditional: 199] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 199, Positive conditional cache size: 0, Positive unconditional cache size: 199, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5, Statistics for Abstraction: - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={7:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [#in~arg={0:0}, glob1=0, id={7:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [#in~arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}, unknown-#in~cond-unknown=0] [L19] 0 reach_error() VAL [#in~arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}, unknown-#in~cond-unknown=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 96 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 06:43:36,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 06:43:36,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cd41a5-c64c-47aa-81d2-eb53e0042b01/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample