./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3 --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 36105814f7d14243ca8b55776979fcada1717aa30ae4c259b302358b1f244a48 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 04:56:40,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 04:56:40,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 04:56:40,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 04:56:40,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 04:56:40,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 04:56:40,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 04:56:40,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 04:56:40,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 04:56:40,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 04:56:40,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 04:56:40,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 04:56:40,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 04:56:40,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 04:56:40,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 04:56:41,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 04:56:41,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 04:56:41,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 04:56:41,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 04:56:41,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 04:56:41,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 04:56:41,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 04:56:41,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 04:56:41,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 04:56:41,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 04:56:41,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 04:56:41,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 04:56:41,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 04:56:41,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 04:56:41,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 04:56:41,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 04:56:41,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 04:56:41,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 04:56:41,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 04:56:41,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 04:56:41,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 04:56:41,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 04:56:41,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 04:56:41,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 04:56:41,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 04:56:41,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 04:56:41,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-07 04:56:41,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 04:56:41,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 04:56:41,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 04:56:41,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 04:56:41,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 04:56:41,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 04:56:41,101 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 04:56:41,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 04:56:41,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 04:56:41,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 04:56:41,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 04:56:41,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 04:56:41,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 04:56:41,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 04:56:41,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 04:56:41,104 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 04:56:41,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 04:56:41,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 04:56:41,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 04:56:41,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 04:56:41,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 04:56:41,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-07 04:56:41,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 04:56:41,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:41,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 04:56:41,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 04:56:41,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 04:56:41,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 04:56:41,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 04:56:41,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 04:56:41,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-07 04:56:41,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 04:56:41,110 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-07 04:56:41,110 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-07 04:56:41,110 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_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36105814f7d14243ca8b55776979fcada1717aa30ae4c259b302358b1f244a48 [2021-11-07 04:56:41,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 04:56:41,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 04:56:41,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 04:56:41,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 04:56:41,443 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 04:56:41,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-11-07 04:56:41,521 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/data/ef303c292/2fb626cabe174ecdbba77009ec8f1cfc/FLAGf85f7c2b9 [2021-11-07 04:56:42,197 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 04:56:42,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-11-07 04:56:42,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/data/ef303c292/2fb626cabe174ecdbba77009ec8f1cfc/FLAGf85f7c2b9 [2021-11-07 04:56:42,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/data/ef303c292/2fb626cabe174ecdbba77009ec8f1cfc [2021-11-07 04:56:42,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 04:56:42,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 04:56:42,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:42,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 04:56:42,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 04:56:42,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9be1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42, skipping insertion in model container [2021-11-07 04:56:42,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 04:56:42,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 04:56:42,739 WARN L228 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_c4823113-33c2-4b30-93eb-3dab16e45580/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2021-11-07 04:56:42,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:42,902 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 04:56:42,915 WARN L228 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_c4823113-33c2-4b30-93eb-3dab16e45580/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2021-11-07 04:56:42,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:43,001 INFO L208 MainTranslator]: Completed translation [2021-11-07 04:56:43,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43 WrapperNode [2021-11-07 04:56:43,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:43,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:43,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 04:56:43,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 04:56:43,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:43,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 04:56:43,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 04:56:43,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 04:56:43,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 04:56:43,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 04:56:43,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 04:56:43,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 04:56:43,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (1/1) ... [2021-11-07 04:56:43,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:43,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:43,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:43,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 04:56:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 04:56:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-07 04:56:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 04:56:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-07 04:56:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-07 04:56:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 04:56:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 04:56:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 04:56:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 04:56:43,224 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 04:56:43,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 04:56:43,622 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 04:56:43,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:43 BoogieIcfgContainer [2021-11-07 04:56:43,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 04:56:43,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 04:56:43,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 04:56:43,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 04:56:43,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:56:42" (1/3) ... [2021-11-07 04:56:43,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54934545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:43, skipping insertion in model container [2021-11-07 04:56:43,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:43" (2/3) ... [2021-11-07 04:56:43,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54934545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:43, skipping insertion in model container [2021-11-07 04:56:43,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:43" (3/3) ... [2021-11-07 04:56:43,638 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-11-07 04:56:43,647 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 04:56:43,648 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 04:56:43,648 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 04:56:43,648 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 04:56:43,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,689 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,690 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,690 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,691 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,704 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-07 04:56:43,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:43,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:43,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:43,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-07 04:56:43,803 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:43,809 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 04:56:43,810 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:56:43,991 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:43,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:43,998 INFO L85 PathProgramCache]: Analyzing trace with hash 789266082, now seen corresponding path program 1 times [2021-11-07 04:56:44,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:44,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95004163] [2021-11-07 04:56:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:44,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:44,264 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:56:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:44,346 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:56:44,348 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:56:44,350 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:56:44,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:56:44,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 04:56:44,362 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 04:56:44,367 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 04:56:44,367 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 04:56:44,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:56:44 BasicIcfg [2021-11-07 04:56:44,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 04:56:44,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 04:56:44,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 04:56:44,447 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 04:56:44,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:43" (3/4) ... [2021-11-07 04:56:44,450 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 04:56:44,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/witness.graphml [2021-11-07 04:56:44,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 04:56:44,532 INFO L168 Benchmark]: Toolchain (without parser) took 2063.32 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 59.3 MB in the beginning and 88.0 MB in the end (delta: -28.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 04:56:44,533 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory is still 76.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 04:56:44,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.59 ms. Allocated memory is still 102.8 MB. Free memory was 59.1 MB in the beginning and 67.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:44,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.91 ms. Allocated memory is still 102.8 MB. Free memory was 67.3 MB in the beginning and 65.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:44,540 INFO L168 Benchmark]: Boogie Preprocessor took 67.16 ms. Allocated memory is still 102.8 MB. Free memory was 65.2 MB in the beginning and 64.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 04:56:44,541 INFO L168 Benchmark]: RCFGBuilder took 497.34 ms. Allocated memory is still 102.8 MB. Free memory was 64.1 MB in the beginning and 52.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:44,542 INFO L168 Benchmark]: TraceAbstraction took 814.93 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 51.5 MB in the beginning and 92.7 MB in the end (delta: -41.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 04:56:44,542 INFO L168 Benchmark]: Witness Printer took 83.57 ms. Allocated memory is still 132.1 MB. Free memory was 92.7 MB in the beginning and 88.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 04:56:44,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory is still 76.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 532.59 ms. Allocated memory is still 102.8 MB. Free memory was 59.1 MB in the beginning and 67.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.91 ms. Allocated memory is still 102.8 MB. Free memory was 67.3 MB in the beginning and 65.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.16 ms. Allocated memory is still 102.8 MB. Free memory was 65.2 MB in the beginning and 64.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 497.34 ms. Allocated memory is still 102.8 MB. Free memory was 64.1 MB in the beginning and 52.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 814.93 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 51.5 MB in the beginning and 92.7 MB in the end (delta: -41.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 83.57 ms. Allocated memory is still 132.1 MB. Free memory was 92.7 MB in the beginning and 88.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 224, positive: 217, positive conditional: 20, positive unconditional: 197, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 223, positive: 217, positive conditional: 20, positive unconditional: 197, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 223, positive: 217, positive conditional: 20, positive unconditional: 197, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 223, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 223, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, positive: 191, positive conditional: 0, positive unconditional: 191, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 223, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 203, unknown conditional: 0, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 197, Positive conditional cache size: 0, Positive unconditional cache size: 197, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 123, Number of persistent set computation: 48, Number of trivial persistent sets: 37, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 224, positive: 217, positive conditional: 20, positive unconditional: 197, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 223, positive: 217, positive conditional: 20, positive unconditional: 197, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 223, positive: 217, positive conditional: 20, positive unconditional: 197, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 223, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 223, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, positive: 191, positive conditional: 0, positive unconditional: 191, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 223, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 203, unknown conditional: 0, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 197, Positive conditional cache size: 0, Positive unconditional cache size: 197, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={7:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={7:0}, B={9:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [A={7:0}, B={9:0}, g=42] [L695] 0 int t; VAL [A={7:0}, B={9:0}, g=42] [L696] 0 pthread_t id; VAL [A={7:0}, B={9:0}, g=42] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={7:0}, arg={0:0}, B={9:0}, g=42] [L700] COND TRUE 0 \read(r) VAL [A={7:0}, arg={0:0}, B={9:0}, g=42] [L701] 0 g = 17 VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L705] 0 t = g VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L19] COND TRUE 0 !(cond) VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L19] 0 reach_error() VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] - 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, 81 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: No data available, 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, 48 NumberOfCodeBlocks, 48 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 proved your program to be incorrect! [2021-11-07 04:56:44,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:44,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4823113-33c2-4b30-93eb-3dab16e45580/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE