./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 --- 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-38b53e6 [2022-11-25 18:49:54,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:49:54,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:49:54,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:49:54,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:49:54,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:49:54,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:49:54,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:49:54,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:49:54,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:49:54,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:49:54,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:49:54,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:49:54,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:49:54,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:49:54,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:49:54,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:49:54,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:49:54,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:49:54,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:49:54,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:49:54,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:49:54,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:49:54,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:49:54,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:49:54,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:49:54,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:49:54,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:49:54,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:49:54,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:49:54,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:49:54,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:49:54,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:49:54,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:49:54,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:49:54,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:49:54,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:49:54,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:49:54,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:49:54,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:49:54,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:49:54,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-25 18:49:54,611 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:49:54,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:49:54,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:49:54,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:49:54,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:49:54,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:49:54,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:49:54,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:49:54,616 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:49:54,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:49:54,617 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:49:54,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:49:54,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:49:54,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:49:54,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:49:54,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:49:54,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:49:54,619 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:49:54,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:49:54,619 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:49:54,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:49:54,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:49:54,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:49:54,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:49:54,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:49:54,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:49:54,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:49:54,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:49:54,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:49:54,622 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-25 18:49:54,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:49:54,623 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:49:54,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:49:54,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:49:54,624 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:49:54,624 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:49:54,624 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_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2022-11-25 18:49:54,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:49:54,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:49:54,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:49:54,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:49:54,978 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:49:54,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-11-25 18:49:57,948 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:49:58,240 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:49:58,241 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-11-25 18:49:58,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/data/6b94cfe4e/9b1538fe54074a5cb1065e7f65581962/FLAGbfd0dbf78 [2022-11-25 18:49:58,277 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/data/6b94cfe4e/9b1538fe54074a5cb1065e7f65581962 [2022-11-25 18:49:58,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:49:58,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:49:58,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:49:58,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:49:58,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:49:58,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d23093b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58, skipping insertion in model container [2022-11-25 18:49:58,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:49:58,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:49:58,580 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_41186378-1677-4a29-84fd-2201e5ab4485/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-11-25 18:49:58,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:49:58,822 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:49:58,835 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_41186378-1677-4a29-84fd-2201e5ab4485/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-11-25 18:49:58,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:49:58,887 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:49:58,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58 WrapperNode [2022-11-25 18:49:58,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:49:58,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:49:58,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:49:58,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:49:58,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,930 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-25 18:49:58,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:49:58,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:49:58,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:49:58,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:49:58,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:49:58,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:49:58,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:49:58,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:49:58,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (1/1) ... [2022-11-25 18:49:58,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:49:58,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:59,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:49:59,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:49:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:49:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:49:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:49:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:49:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:49:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 18:49:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 18:49:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:49:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:49:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:49:59,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:49:59,063 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:49:59,188 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:49:59,191 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:49:59,337 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:49:59,343 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:49:59,344 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:49:59,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:49:59 BoogieIcfgContainer [2022-11-25 18:49:59,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:49:59,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:49:59,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:49:59,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:49:59,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:49:58" (1/3) ... [2022-11-25 18:49:59,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570e5d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:49:59, skipping insertion in model container [2022-11-25 18:49:59,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:49:58" (2/3) ... [2022-11-25 18:49:59,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570e5d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:49:59, skipping insertion in model container [2022-11-25 18:49:59,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:49:59" (3/3) ... [2022-11-25 18:49:59,355 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-11-25 18:49:59,364 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:49:59,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:49:59,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:49:59,375 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:49:59,425 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 18:49:59,492 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:49:59,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:49:59,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:59,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:49:59,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:49:59,574 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:49:59,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-25 18:49:59,608 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@232c4d88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:49:59,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 18:49:59,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-25 18:49:59,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:59,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1618061546, now seen corresponding path program 1 times [2022-11-25 18:49:59,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:59,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85502812] [2022-11-25 18:49:59,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:59,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:50:00,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:00,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85502812] [2022-11-25 18:50:00,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85502812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:50:00,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:50:00,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:50:00,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12157319] [2022-11-25 18:50:00,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:50:00,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:50:00,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:00,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:50:00,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:50:00,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:00,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:00,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:50:00,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:00,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:00,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:50:00,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-25 18:50:00,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:00,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1561490860, now seen corresponding path program 2 times [2022-11-25 18:50:00,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:00,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62459885] [2022-11-25 18:50:00,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:00,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:50:00,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:00,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62459885] [2022-11-25 18:50:00,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62459885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:50:00,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:50:00,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:50:00,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680737246] [2022-11-25 18:50:00,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:50:00,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:50:00,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:00,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:50:00,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:50:00,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:00,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:00,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:50:00,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:00,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:50:00,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:50:00,997 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-25 18:50:00,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:00,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1925525721, now seen corresponding path program 1 times [2022-11-25 18:50:00,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:00,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710534579] [2022-11-25 18:50:00,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:00,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:50:01,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:50:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:50:01,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:50:01,069 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:50:01,071 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-25 18:50:01,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-25 18:50:01,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:50:01,087 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-25 18:50:01,094 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 18:50:01,096 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:50:01,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:50:01 BasicIcfg [2022-11-25 18:50:01,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:50:01,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:50:01,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:50:01,156 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:50:01,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:49:59" (3/4) ... [2022-11-25 18:50:01,160 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 18:50:01,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/witness.graphml [2022-11-25 18:50:01,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:50:01,219 INFO L158 Benchmark]: Toolchain (without parser) took 2938.05ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 60.9MB in the end (delta: 67.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-25 18:50:01,221 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory was 85.2MB in the beginning and 85.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:50:01,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.32ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 109.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:50:01,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.08ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:50:01,222 INFO L158 Benchmark]: Boogie Preprocessor took 22.51ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 106.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:50:01,223 INFO L158 Benchmark]: RCFGBuilder took 391.42ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 92.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:50:01,223 INFO L158 Benchmark]: TraceAbstraction took 1806.87ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 65.1MB in the end (delta: 27.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-25 18:50:01,223 INFO L158 Benchmark]: Witness Printer took 63.04ms. Allocated memory is still 161.5MB. Free memory was 65.1MB in the beginning and 60.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:50:01,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory was 85.2MB in the beginning and 85.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.32ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 109.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.08ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.51ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 106.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.42ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 92.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1806.87ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 65.1MB in the end (delta: 27.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 63.04ms. Allocated memory is still 161.5MB. Free memory was 65.1MB in the beginning and 60.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 305, independent: 294, independent conditional: 1, independent unconditional: 293, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 305, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, independent: 86, independent conditional: 4, independent unconditional: 82, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 446, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 305, unknown conditional: 1, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 305, Positive cache size: 294, Positive conditional cache size: 1, Positive unconditional cache size: 293, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 105, Number of trivial persistent sets: 105, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 304, independent: 293, independent conditional: 0, independent unconditional: 293, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 441, independent: 426, independent conditional: 133, independent unconditional: 293, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 446, independent: 426, independent conditional: 1, independent unconditional: 425, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 305, independent: 294, independent conditional: 1, independent unconditional: 293, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 305, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, independent: 86, independent conditional: 4, independent unconditional: 82, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 446, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 305, unknown conditional: 1, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 305, Positive cache size: 294, Positive conditional cache size: 1, Positive unconditional cache size: 293, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a 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 [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - 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, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, 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: 8, 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, 0.6s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect! [2022-11-25 18:50:01,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:50:01,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41186378-1677-4a29-84fd-2201e5ab4485/bin/ugemcutter-syNpU3ikLH/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE