./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/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_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:03:42,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:03:42,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:03:42,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:03:42,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:03:42,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:03:42,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:03:42,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:03:42,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:03:42,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:03:42,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:03:42,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:03:42,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:03:42,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:03:42,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:03:42,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:03:42,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:03:42,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:03:42,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:03:42,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:03:42,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:03:42,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:03:42,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:03:42,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:03:42,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:03:42,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:03:42,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:03:42,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:03:42,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:03:42,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:03:42,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:03:42,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:03:42,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:03:42,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:03:42,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:03:42,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:03:42,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:03:42,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:03:42,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:03:42,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:03:42,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:03:42,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-22 23:03:42,854 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:03:42,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:03:42,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:03:42,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:03:42,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:03:42,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:03:42,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:03:42,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:03:42,857 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:03:42,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:03:42,857 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:03:42,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:03:42,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:03:42,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:03:42,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:03:42,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:03:42,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:03:42,858 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:03:42,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:03:42,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:03:42,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:03:42,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:03:42,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:03:42,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:03:42,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:03:42,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:42,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:03:42,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:03:42,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:03:42,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:03:42,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:03:42,861 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:03:42,861 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:03:42,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:03:42,861 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:03:42,862 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:03:42,862 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_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2021-11-22 23:03:43,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:03:43,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:03:43,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:03:43,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:03:43,183 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:03:43,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2021-11-22 23:03:43,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/data/dccd744dd/556ccc247df1403d93b4334e1b0d68d6/FLAG5370c3dc1 [2021-11-22 23:03:43,833 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:03:43,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2021-11-22 23:03:43,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/data/dccd744dd/556ccc247df1403d93b4334e1b0d68d6/FLAG5370c3dc1 [2021-11-22 23:03:44,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/data/dccd744dd/556ccc247df1403d93b4334e1b0d68d6 [2021-11-22 23:03:44,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:03:44,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:03:44,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:44,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:03:44,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:03:44,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e8ba03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44, skipping insertion in model container [2021-11-22 23:03:44,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:03:44,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:03:44,395 WARN L230 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_50e36752-be5d-4025-910e-306ce6df734f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2021-11-22 23:03:44,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:44,621 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:03:44,637 WARN L230 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_50e36752-be5d-4025-910e-306ce6df734f/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2021-11-22 23:03:44,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:44,739 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:03:44,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44 WrapperNode [2021-11-22 23:03:44,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:44,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:44,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:03:44,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:03:44,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,813 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2021-11-22 23:03:44,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:44,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:03:44,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:03:44,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:03:44,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:03:44,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:03:44,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:03:44,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:03:44,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (1/1) ... [2021-11-22 23:03:44,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:44,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:44,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:44,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 23:03:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:03:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:03:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-22 23:03:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:03:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:03:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-22 23:03:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-22 23:03:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:03:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:03:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:03:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:03:44,948 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:03:45,084 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:03:45,086 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:03:45,301 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:03:45,308 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:03:45,309 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:03:45,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:45 BoogieIcfgContainer [2021-11-22 23:03:45,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:03:45,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 23:03:45,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 23:03:45,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 23:03:45,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:03:44" (1/3) ... [2021-11-22 23:03:45,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbf7e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:45, skipping insertion in model container [2021-11-22 23:03:45,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:44" (2/3) ... [2021-11-22 23:03:45,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbf7e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:45, skipping insertion in model container [2021-11-22 23:03:45,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:45" (3/3) ... [2021-11-22 23:03:45,321 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2021-11-22 23:03:45,326 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 23:03:45,327 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 23:03:45,327 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 23:03:45,327 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 23:03:45,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,355 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,355 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,356 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,356 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,364 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,365 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:45,370 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-22 23:03:45,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-22 23:03:45,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:45,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:45,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-22 23:03:45,478 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-22 23:03:45,491 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 [2021-11-22 23:03:45,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-22 23:03:45,642 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-22 23:03:45,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:45,648 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2021-11-22 23:03:45,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:45,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66125162] [2021-11-22 23:03:45,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:45,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:45,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:45,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66125162] [2021-11-22 23:03:45,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66125162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:45,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:45,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 23:03:45,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877622016] [2021-11-22 23:03:45,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:45,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 23:03:45,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:46,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 23:03:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 23:03:46,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:46,008 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:46,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-11-22 23:03:46,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:46,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 23:03:46,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-22 23:03:46,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:46,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2021-11-22 23:03:46,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:46,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542757621] [2021-11-22 23:03:46,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:46,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:46,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:46,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542757621] [2021-11-22 23:03:46,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542757621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:46,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:46,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 23:03:46,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79925067] [2021-11-22 23:03:46,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:46,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:03:46,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:46,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:03:46,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:03:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:46,300 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:46,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-11-22 23:03:46,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:46,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:46,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 23:03:46,447 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-22 23:03:46,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:46,448 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2021-11-22 23:03:46,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:46,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110584028] [2021-11-22 23:03:46,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:46,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:03:46,480 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:03:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:03:46,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 23:03:46,525 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 23:03:46,526 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-22 23:03:46,528 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-22 23:03:46,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 23:03:46,543 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-22 23:03:46,548 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-22 23:03:46,548 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 23:03:46,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:03:46 BasicIcfg [2021-11-22 23:03:46,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 23:03:46,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:03:46,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:03:46,603 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:03:46,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:45" (3/4) ... [2021-11-22 23:03:46,605 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:03:46,649 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/witness.graphml [2021-11-22 23:03:46,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:03:46,650 INFO L158 Benchmark]: Toolchain (without parser) took 2540.19ms. Allocated memory is still 113.2MB. Free memory was 72.4MB in the beginning and 49.4MB in the end (delta: 23.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-22 23:03:46,650 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:03:46,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.22ms. Allocated memory is still 113.2MB. Free memory was 72.2MB in the beginning and 80.2MB in the end (delta: -8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:03:46,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.85ms. Allocated memory is still 113.2MB. Free memory was 80.2MB in the beginning and 78.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:03:46,652 INFO L158 Benchmark]: Boogie Preprocessor took 37.42ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 76.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:03:46,652 INFO L158 Benchmark]: RCFGBuilder took 459.48ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 65.2MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:03:46,653 INFO L158 Benchmark]: TraceAbstraction took 1288.02ms. Allocated memory is still 113.2MB. Free memory was 64.6MB in the beginning and 53.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-22 23:03:46,653 INFO L158 Benchmark]: Witness Printer took 47.01ms. Allocated memory is still 113.2MB. Free memory was 53.1MB in the beginning and 49.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:03:46,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.22ms. Allocated memory is still 113.2MB. Free memory was 72.2MB in the beginning and 80.2MB in the end (delta: -8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.85ms. Allocated memory is still 113.2MB. Free memory was 80.2MB in the beginning and 78.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.42ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 76.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.48ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 65.2MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1288.02ms. Allocated memory is still 113.2MB. Free memory was 64.6MB in the beginning and 53.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 47.01ms. Allocated memory is still 113.2MB. Free memory was 53.1MB in the beginning and 49.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 326, positive: 313, positive conditional: 68, positive unconditional: 245, negative: 13, negative conditional: 4, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 326, positive: 313, positive conditional: 68, positive unconditional: 245, negative: 13, negative conditional: 4, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 326, positive: 313, positive conditional: 68, positive unconditional: 245, negative: 13, negative conditional: 4, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330, positive: 313, positive conditional: 49, positive unconditional: 264, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 330, positive: 313, positive conditional: 36, positive unconditional: 277, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 330, positive: 313, positive conditional: 36, positive unconditional: 277, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 256, positive: 245, positive conditional: 0, positive unconditional: 245, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 256, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 330, positive: 68, positive conditional: 36, positive unconditional: 32, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 256, unknown conditional: 2, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 256, Positive cache size: 245, Positive conditional cache size: 0, Positive unconditional cache size: 245, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Eliminated conditions: 13, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 66, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, positive: 245, positive conditional: 0, positive unconditional: 245, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 326, positive: 313, positive conditional: 68, positive unconditional: 245, negative: 13, negative conditional: 4, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 326, positive: 313, positive conditional: 68, positive unconditional: 245, negative: 13, negative conditional: 4, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 326, positive: 313, positive conditional: 68, positive unconditional: 245, negative: 13, negative conditional: 4, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330, positive: 313, positive conditional: 49, positive unconditional: 264, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 330, positive: 313, positive conditional: 36, positive unconditional: 277, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 330, positive: 313, positive conditional: 36, positive unconditional: 277, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 256, positive: 245, positive conditional: 0, positive unconditional: 245, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 256, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 330, positive: 68, positive conditional: 36, positive unconditional: 32, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 256, unknown conditional: 2, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 256, Positive cache size: 245, Positive conditional cache size: 0, Positive unconditional cache size: 245, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Eliminated conditions: 13, Maximal queried relation: 1, Independence queries for same thread: 0 - 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: [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: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 311 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! [2021-11-22 23:03:46,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:46,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e36752-be5d-4025-910e-306ce6df734f/bin/ugemcutter-lIJgRBJBxA/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