./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:21:49,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:21:49,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:21:49,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:21:49,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:21:49,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:21:49,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:21:49,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:21:49,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:21:49,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:21:49,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:21:49,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:21:49,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:21:49,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:21:49,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:21:49,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:21:49,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:21:49,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:21:49,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:21:49,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:21:49,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:21:49,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:21:49,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:21:49,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:21:49,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:21:49,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:21:49,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:21:49,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:21:49,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:21:49,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:21:49,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:21:49,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:21:49,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:21:49,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:21:49,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:21:49,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:21:49,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:21:49,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:21:49,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:21:49,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:21:49,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:21:49,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:21:49,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:21:49,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:21:49,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:21:49,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:21:49,773 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:21:49,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:21:49,773 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:21:49,773 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:21:49,774 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:21:49,774 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:21:49,775 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:21:49,775 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:21:49,776 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:21:49,776 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:21:49,776 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:21:49,777 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:21:49,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:21:49,778 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:21:49,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:21:49,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:21:49,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:21:49,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:21:49,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:21:49,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:21:49,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:21:49,780 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:21:49,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:21:49,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:21:49,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:21:49,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:21:49,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:21:49,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:21:49,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:21:49,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:21:49,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:21:49,783 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:21:49,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:21:49,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:21:49,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:21:49,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:21:49,784 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2021-11-12 23:21:50,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:21:50,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:21:50,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:21:50,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:21:50,122 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:21:50,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-12 23:21:50,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/data/5b4e478f0/d2edf18b10fc431faf72eb4c3738a3bf/FLAGaf971517d [2021-11-12 23:21:50,891 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:21:50,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-12 23:21:50,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/data/5b4e478f0/d2edf18b10fc431faf72eb4c3738a3bf/FLAGaf971517d [2021-11-12 23:21:51,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/data/5b4e478f0/d2edf18b10fc431faf72eb4c3738a3bf [2021-11-12 23:21:51,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:21:51,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:21:51,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:21:51,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:21:51,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:21:51,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5b6186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51, skipping insertion in model container [2021-11-12 23:21:51,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:21:51,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:21:51,388 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_f50fb734-f26f-4d74-aaa8-cd66ab108a45/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2021-11-12 23:21:51,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:21:51,546 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:21:51,559 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_f50fb734-f26f-4d74-aaa8-cd66ab108a45/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2021-11-12 23:21:51,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:21:51,625 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:21:51,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51 WrapperNode [2021-11-12 23:21:51,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:21:51,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:21:51,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:21:51,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:21:51,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:21:51,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:21:51,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:21:51,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:21:51,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:21:51,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:21:51,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:21:51,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:21:51,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (1/1) ... [2021-11-12 23:21:51,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:21:51,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:21:51,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:21:51,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:21:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:21:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:21:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-12 23:21:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:21:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-12 23:21:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-12 23:21:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:21:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:21:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:21:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:21:51,787 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:21:52,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:21:52,121 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:21:52,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:21:52 BoogieIcfgContainer [2021-11-12 23:21:52,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:21:52,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:21:52,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:21:52,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:21:52,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:21:51" (1/3) ... [2021-11-12 23:21:52,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25aef2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:21:52, skipping insertion in model container [2021-11-12 23:21:52,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:21:51" (2/3) ... [2021-11-12 23:21:52,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25aef2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:21:52, skipping insertion in model container [2021-11-12 23:21:52,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:21:52" (3/3) ... [2021-11-12 23:21:52,138 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2021-11-12 23:21:52,144 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:21:52,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:21:52,144 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:21:52,144 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:21:52,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,181 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,181 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,182 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,182 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,192 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,193 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:21:52,198 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-12 23:21:52,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:21:52,269 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=FINITE_AUTOMATA, 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 [2021-11-12 23:21:52,270 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-12 23:21:52,285 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:21:52,309 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 69 transitions, 146 flow [2021-11-12 23:21:52,312 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 69 transitions, 146 flow [2021-11-12 23:21:52,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 69 transitions, 146 flow [2021-11-12 23:21:52,352 INFO L129 PetriNetUnfolder]: 1/68 cut-off events. [2021-11-12 23:21:52,353 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-12 23:21:52,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 68 events. 1/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2021-11-12 23:21:52,358 INFO L116 LiptonReduction]: Number of co-enabled transitions 448 [2021-11-12 23:21:56,574 INFO L131 LiptonReduction]: Checked pairs total: 1271 [2021-11-12 23:21:56,574 INFO L133 LiptonReduction]: Total number of compositions: 59 [2021-11-12 23:21:56,583 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 17 transitions, 42 flow [2021-11-12 23:21:56,596 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 38 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 37 states have internal predecessors, (61), 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) [2021-11-12 23:21:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 37 states have internal predecessors, (61), 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) [2021-11-12 23:21:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-12 23:21:56,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:21:56,605 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-12 23:21:56,606 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-12 23:21:56,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:21:56,612 INFO L85 PathProgramCache]: Analyzing trace with hash 7576056, now seen corresponding path program 1 times [2021-11-12 23:21:56,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:21:56,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543050955] [2021-11-12 23:21:56,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:21:56,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:21:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:21:56,815 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:21:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:21:56,872 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:21:56,874 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:21:56,876 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-12 23:21:56,878 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-12 23:21:56,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:21:56,882 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-12 23:21:56,887 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:21:56,887 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:21:56,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:21:56 BasicIcfg [2021-11-12 23:21:56,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:21:56,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:21:56,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:21:56,911 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:21:56,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:21:52" (3/4) ... [2021-11-12 23:21:56,914 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-12 23:21:56,955 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:21:56,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:21:56,957 INFO L158 Benchmark]: Toolchain (without parser) took 5837.99ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.3MB in the beginning and 61.4MB in the end (delta: 11.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-12 23:21:56,958 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:21:56,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.76ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 73.1MB in the end (delta: 206.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:21:56,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.72ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:21:56,960 INFO L158 Benchmark]: Boogie Preprocessor took 25.10ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:21:56,961 INFO L158 Benchmark]: RCFGBuilder took 426.27ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 58.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:21:56,961 INFO L158 Benchmark]: TraceAbstraction took 4784.95ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.9MB in the beginning and 63.5MB in the end (delta: -5.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-12 23:21:56,962 INFO L158 Benchmark]: Witness Printer took 45.17ms. Allocated memory is still 130.0MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:21:56,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.76ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 73.1MB in the end (delta: 206.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.72ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.10ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.27ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 58.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4784.95ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.9MB in the beginning and 63.5MB in the end (delta: -5.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 45.17ms. Allocated memory is still 130.0MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 72 PlacesBefore, 21 PlacesAfterwards, 69 TransitionsBefore, 17 TransitionsAfterwards, 448 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 59 TotalNumberOfCompositions, 1271 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 761, positive: 631, positive conditional: 0, positive unconditional: 631, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 390, positive: 344, positive conditional: 0, positive unconditional: 344, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 390, positive: 317, positive conditional: 0, positive unconditional: 317, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 761, positive: 287, positive conditional: 0, positive unconditional: 287, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 390, unknown conditional: 0, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - 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; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={7:0}, mutex1={3:0}, mutex2={9:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={9:0}] - 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 with 1 thread instances CFG has 3 procedures, 85 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 4 NumberOfCodeBlocks, 4 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! [2021-11-12 23:21:57,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50fb734-f26f-4d74-aaa8-cd66ab108a45/bin/utaipan-vmNK8stdcF/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