./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7 --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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:36:28,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:36:28,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:36:28,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:36:28,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:36:28,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:36:28,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:36:28,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:36:28,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:36:28,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:36:28,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:36:28,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:36:28,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:36:28,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:36:28,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:36:28,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:36:28,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:36:28,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:36:28,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:36:28,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:36:28,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:36:28,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:36:28,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:36:28,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:36:28,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:36:28,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:36:28,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:36:28,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:36:28,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:36:28,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:36:28,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:36:28,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:36:28,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:36:28,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:36:28,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:36:28,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:36:28,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:36:28,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:36:28,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:36:28,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:36:28,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:36:28,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:36:28,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:36:28,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:36:28,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:36:28,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:36:28,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:36:28,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:36:28,823 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:36:28,824 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:36:28,824 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:36:28,824 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:36:28,824 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:36:28,825 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:36:28,825 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:36:28,825 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:36:28,825 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:36:28,825 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:36:28,826 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:36:28,826 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:36:28,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:36:28,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:36:28,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:36:28,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:36:28,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:36:28,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:36:28,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:36:28,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:36:28,829 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:36:28,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:36:28,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:36:28,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:36:28,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:36:28,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:36:28,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:36:28,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:36:28,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:36:28,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:36:28,831 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:36:28,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:36:28,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:36:28,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:36:28,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:36:28,832 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_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2021-11-25 18:36:29,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:36:29,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:36:29,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:36:29,183 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:36:29,184 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:36:29,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2021-11-25 18:36:29,256 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/data/8bbd88b22/4ae90846cf51494796ff08ee50cda4ce/FLAG38e3e68e5 [2021-11-25 18:36:29,817 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:36:29,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2021-11-25 18:36:29,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/data/8bbd88b22/4ae90846cf51494796ff08ee50cda4ce/FLAG38e3e68e5 [2021-11-25 18:36:30,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/data/8bbd88b22/4ae90846cf51494796ff08ee50cda4ce [2021-11-25 18:36:30,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:36:30,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:36:30,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:36:30,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:36:30,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:36:30,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128f9ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30, skipping insertion in model container [2021-11-25 18:36:30,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:36:30,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:36:30,359 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_6f76ab2f-9964-4ac7-bd14-0471ad43275a/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2021-11-25 18:36:30,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:36:30,520 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:36:30,538 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_6f76ab2f-9964-4ac7-bd14-0471ad43275a/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2021-11-25 18:36:30,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:36:30,656 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:36:30,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30 WrapperNode [2021-11-25 18:36:30,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:36:30,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:36:30,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:36:30,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:36:30,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,739 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2021-11-25 18:36:30,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:36:30,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:36:30,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:36:30,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:36:30,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:36:30,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:36:30,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:36:30,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:36:30,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:36:30,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:36:30,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:36:30,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:36:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:36:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:36:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 18:36:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:36:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:36:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-25 18:36:30,868 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-25 18:36:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:36:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:36:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:36:30,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:36:30,871 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 18:36:30,984 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:36:30,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:36:31,201 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:36:31,209 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:36:31,209 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:36:31,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:31 BoogieIcfgContainer [2021-11-25 18:36:31,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:36:31,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:36:31,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:36:31,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:36:31,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:36:30" (1/3) ... [2021-11-25 18:36:31,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee5701e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:36:31, skipping insertion in model container [2021-11-25 18:36:31,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30" (2/3) ... [2021-11-25 18:36:31,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee5701e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:36:31, skipping insertion in model container [2021-11-25 18:36:31,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:31" (3/3) ... [2021-11-25 18:36:31,239 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2021-11-25 18:36:31,244 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 18:36:31,248 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:36:31,249 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:36:31,249 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 18:36:31,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:36:31,342 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-25 18:36:31,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:36:31,427 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 [2021-11-25 18:36:31,428 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 18:36:31,442 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 18:36:31,456 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 64 transitions, 136 flow [2021-11-25 18:36:31,459 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 64 transitions, 136 flow [2021-11-25 18:36:31,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2021-11-25 18:36:31,503 INFO L129 PetriNetUnfolder]: 2/63 cut-off events. [2021-11-25 18:36:31,503 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-25 18:36:31,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 2/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2021-11-25 18:36:31,508 INFO L116 LiptonReduction]: Number of co-enabled transitions 288 [2021-11-25 18:36:34,184 INFO L131 LiptonReduction]: Checked pairs total: 364 [2021-11-25 18:36:34,185 INFO L133 LiptonReduction]: Total number of compositions: 66 [2021-11-25 18:36:34,194 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 10 transitions, 28 flow [2021-11-25 18:36:34,204 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-25 18:36:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-25 18:36:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 18:36:34,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:36:34,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 18:36:34,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:36:34,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:36:34,217 INFO L85 PathProgramCache]: Analyzing trace with hash 251266, now seen corresponding path program 1 times [2021-11-25 18:36:34,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:36:34,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709133853] [2021-11-25 18:36:34,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:36:34,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:36:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:36:34,358 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 18:36:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:36:34,406 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 18:36:34,408 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 18:36:34,409 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-25 18:36:34,412 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-25 18:36:34,412 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-25 18:36:34,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:36:34,416 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 18:36:34,421 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 18:36:34,422 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:36:34,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:36:34 BasicIcfg [2021-11-25 18:36:34,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:36:34,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:36:34,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:36:34,443 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:36:34,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:31" (3/4) ... [2021-11-25 18:36:34,446 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 18:36:34,486 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:36:34,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:36:34,487 INFO L158 Benchmark]: Toolchain (without parser) took 4400.29ms. Allocated memory was 115.3MB in the beginning and 165.7MB in the end (delta: 50.3MB). Free memory was 73.3MB in the beginning and 68.2MB in the end (delta: 5.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2021-11-25 18:36:34,488 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:36:34,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.99ms. Allocated memory is still 115.3MB. Free memory was 73.1MB in the beginning and 81.4MB in the end (delta: -8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 18:36:34,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.05ms. Allocated memory is still 115.3MB. Free memory was 81.4MB in the beginning and 79.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:36:34,490 INFO L158 Benchmark]: Boogie Preprocessor took 39.09ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 77.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:36:34,491 INFO L158 Benchmark]: RCFGBuilder took 436.92ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 66.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 18:36:34,491 INFO L158 Benchmark]: TraceAbstraction took 3215.83ms. Allocated memory was 115.3MB in the beginning and 165.7MB in the end (delta: 50.3MB). Free memory was 66.2MB in the beginning and 69.3MB in the end (delta: -3.1MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-11-25 18:36:34,492 INFO L158 Benchmark]: Witness Printer took 43.50ms. Allocated memory is still 165.7MB. Free memory was 69.3MB in the beginning and 68.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:36:34,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.99ms. Allocated memory is still 115.3MB. Free memory was 73.1MB in the beginning and 81.4MB in the end (delta: -8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.05ms. Allocated memory is still 115.3MB. Free memory was 81.4MB in the beginning and 79.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.09ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 77.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.92ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 66.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3215.83ms. Allocated memory was 115.3MB in the beginning and 165.7MB in the end (delta: 50.3MB). Free memory was 66.2MB in the beginning and 69.3MB in the end (delta: -3.1MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Witness Printer took 43.50ms. Allocated memory is still 165.7MB. Free memory was 69.3MB in the beginning and 68.2MB in the end (delta: 1.1MB). 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: 2.7s, 66 PlacesBefore, 14 PlacesAfterwards, 64 TransitionsBefore, 10 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 5 FixpointIterations, 29 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 322, positive: 296, positive conditional: 0, positive unconditional: 296, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 322, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: 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, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2021-11-25 18:36:34,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f76ab2f-9964-4ac7-bd14-0471ad43275a/bin/utaipan-eEHZpOm5b7/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