./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:53:38,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:53:38,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:53:38,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:53:38,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:53:38,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:53:38,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:53:38,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:53:38,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:53:38,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:53:38,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:53:38,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:53:38,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:53:38,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:53:38,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:53:38,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:53:38,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:53:38,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:53:38,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:53:38,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:53:38,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:53:38,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:53:38,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:53:38,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:53:38,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:53:38,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:53:38,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:53:38,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:53:38,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:53:38,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:53:38,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:53:38,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:53:38,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:53:38,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:53:38,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:53:38,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:53:38,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:53:38,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:53:38,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:53:38,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:53:38,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:53:38,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-21 00:53:38,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:53:38,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:53:38,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:53:38,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:53:38,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:53:38,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:53:38,737 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:53:38,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:53:38,738 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:53:38,738 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:53:38,738 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:53:38,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:53:38,739 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:53:38,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:53:38,739 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:53:38,740 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:53:38,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:53:38,740 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:53:38,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:53:38,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:53:38,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:53:38,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:53:38,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:53:38,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:53:38,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:53:38,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:53:38,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:53:38,744 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-21 00:53:38,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:53:38,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:53:38,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:53:38,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:53:38,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:53:38,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:53:38,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:53:38,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:53:38,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:53:38,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:53:38,747 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:53:38,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:53:38,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:53:38,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:53:38,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:53:38,749 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_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a [2021-11-21 00:53:38,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:53:39,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:53:39,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:53:39,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:53:39,029 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:53:39,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-21 00:53:39,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/data/97a54a132/cffebf8e1fc24c01941f91f34b654588/FLAG4750c83ae [2021-11-21 00:53:39,704 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:53:39,705 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-11-21 00:53:39,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/data/97a54a132/cffebf8e1fc24c01941f91f34b654588/FLAG4750c83ae [2021-11-21 00:53:39,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/data/97a54a132/cffebf8e1fc24c01941f91f34b654588 [2021-11-21 00:53:39,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:53:39,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:53:39,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:53:39,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:53:39,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:53:39,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:53:39" (1/1) ... [2021-11-21 00:53:39,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b85698a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:39, skipping insertion in model container [2021-11-21 00:53:39,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:53:39" (1/1) ... [2021-11-21 00:53:39,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:53:40,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:53:40,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:53:40,635 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:53:40,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:53:40,776 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:53:40,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40 WrapperNode [2021-11-21 00:53:40,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:53:40,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:53:40,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:53:40,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:53:40,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,834 INFO L137 Inliner]: procedures = 365, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2021-11-21 00:53:40,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:53:40,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:53:40,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:53:40,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:53:40,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:53:40,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:53:40,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:53:40,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:53:40,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (1/1) ... [2021-11-21 00:53:40,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:53:40,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:40,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:53:40,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:53:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:53:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:53:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:53:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:53:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 00:53:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:53:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-21 00:53:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-21 00:53:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:53:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:53:41,004 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 00:53:41,145 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:53:41,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:53:41,416 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:53:41,425 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:53:41,426 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 00:53:41,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:53:41 BoogieIcfgContainer [2021-11-21 00:53:41,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:53:41,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:53:41,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:53:41,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:53:41,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:53:39" (1/3) ... [2021-11-21 00:53:41,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dac556e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:53:41, skipping insertion in model container [2021-11-21 00:53:41,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:40" (2/3) ... [2021-11-21 00:53:41,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dac556e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:53:41, skipping insertion in model container [2021-11-21 00:53:41,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:53:41" (3/3) ... [2021-11-21 00:53:41,436 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2021-11-21 00:53:41,442 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-21 00:53:41,457 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:53:41,458 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-21 00:53:41,458 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-21 00:53:41,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~s~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:53:41,581 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-21 00:53:41,675 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:53:41,682 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 [2021-11-21 00:53:41,682 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-21 00:53:41,698 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-21 00:53:41,711 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 115 transitions, 235 flow [2021-11-21 00:53:41,714 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 115 transitions, 235 flow [2021-11-21 00:53:41,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 115 transitions, 235 flow [2021-11-21 00:53:41,770 INFO L129 PetriNetUnfolder]: 0/114 cut-off events. [2021-11-21 00:53:41,771 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-21 00:53:41,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 114 events. 0/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 82 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-21 00:53:41,777 INFO L116 LiptonReduction]: Number of co-enabled transitions 2652 [2021-11-21 00:53:45,874 INFO L131 LiptonReduction]: Checked pairs total: 11377 [2021-11-21 00:53:45,874 INFO L133 LiptonReduction]: Total number of compositions: 89 [2021-11-21 00:53:45,887 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 42 transitions, 89 flow [2021-11-21 00:53:45,933 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 362 states, 344 states have (on average 1.9796511627906976) internal successors, (681), 361 states have internal predecessors, (681), 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) [2021-11-21 00:53:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 362 states, 344 states have (on average 1.9796511627906976) internal successors, (681), 361 states have internal predecessors, (681), 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) [2021-11-21 00:53:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-21 00:53:45,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:45,950 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-21 00:53:45,950 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-21 00:53:45,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:45,956 INFO L85 PathProgramCache]: Analyzing trace with hash 384, now seen corresponding path program 1 times [2021-11-21 00:53:45,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:45,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013558934] [2021-11-21 00:53:45,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:45,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:46,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:46,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013558934] [2021-11-21 00:53:46,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013558934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:46,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:46,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-21 00:53:46,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139368071] [2021-11-21 00:53:46,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:46,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 00:53:46,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:46,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 00:53:46,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:53:46,147 INFO L87 Difference]: Start difference. First operand has 362 states, 344 states have (on average 1.9796511627906976) internal successors, (681), 361 states have internal predecessors, (681), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-21 00:53:46,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:46,219 INFO L93 Difference]: Finished difference Result 322 states and 606 transitions. [2021-11-21 00:53:46,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 00:53:46,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2021-11-21 00:53:46,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:46,244 INFO L225 Difference]: With dead ends: 322 [2021-11-21 00:53:46,245 INFO L226 Difference]: Without dead ends: 322 [2021-11-21 00:53:46,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:53:46,253 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:46,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:53:46,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-11-21 00:53:46,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2021-11-21 00:53:46,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 314 states have (on average 1.929936305732484) internal successors, (606), 321 states have internal predecessors, (606), 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) [2021-11-21 00:53:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 606 transitions. [2021-11-21 00:53:46,344 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 606 transitions. Word has length 1 [2021-11-21 00:53:46,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:46,350 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 606 transitions. [2021-11-21 00:53:46,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-21 00:53:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 606 transitions. [2021-11-21 00:53:46,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 00:53:46,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:46,352 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:46,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:53:46,352 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-21 00:53:46,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:46,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1907411021, now seen corresponding path program 1 times [2021-11-21 00:53:46,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:46,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102216391] [2021-11-21 00:53:46,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:46,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:46,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:46,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102216391] [2021-11-21 00:53:46,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102216391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:46,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:46,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:53:46,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000619765] [2021-11-21 00:53:46,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:46,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:53:46,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:46,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:53:46,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:53:46,599 INFO L87 Difference]: Start difference. First operand 322 states and 606 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-21 00:53:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:46,923 INFO L93 Difference]: Finished difference Result 353 states and 662 transitions. [2021-11-21 00:53:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:53:46,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) Word has length 10 [2021-11-21 00:53:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:46,927 INFO L225 Difference]: With dead ends: 353 [2021-11-21 00:53:46,927 INFO L226 Difference]: Without dead ends: 353 [2021-11-21 00:53:46,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:53:46,929 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 42 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:46,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 27 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 00:53:46,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-21 00:53:46,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 339. [2021-11-21 00:53:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 332 states have (on average 1.9156626506024097) internal successors, (636), 338 states have internal predecessors, (636), 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) [2021-11-21 00:53:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 636 transitions. [2021-11-21 00:53:46,947 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 636 transitions. Word has length 10 [2021-11-21 00:53:46,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:46,947 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 636 transitions. [2021-11-21 00:53:46,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-21 00:53:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 636 transitions. [2021-11-21 00:53:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 00:53:46,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:46,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:46,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:53:46,949 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-21 00:53:46,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:46,950 INFO L85 PathProgramCache]: Analyzing trace with hash -545341075, now seen corresponding path program 1 times [2021-11-21 00:53:46,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:46,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304220193] [2021-11-21 00:53:46,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:46,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:47,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:47,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304220193] [2021-11-21 00:53:47,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304220193] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:47,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:47,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:53:47,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521310337] [2021-11-21 00:53:47,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:47,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:53:47,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:47,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:53:47,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:53:47,094 INFO L87 Difference]: Start difference. First operand 339 states and 636 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-21 00:53:47,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:47,321 INFO L93 Difference]: Finished difference Result 371 states and 694 transitions. [2021-11-21 00:53:47,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:53:47,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) Word has length 10 [2021-11-21 00:53:47,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:47,324 INFO L225 Difference]: With dead ends: 371 [2021-11-21 00:53:47,324 INFO L226 Difference]: Without dead ends: 371 [2021-11-21 00:53:47,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:53:47,326 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 38 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:47,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 18 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:53:47,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-11-21 00:53:47,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 357. [2021-11-21 00:53:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 350 states have (on average 1.9085714285714286) internal successors, (668), 356 states have internal predecessors, (668), 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) [2021-11-21 00:53:47,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 668 transitions. [2021-11-21 00:53:47,338 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 668 transitions. Word has length 10 [2021-11-21 00:53:47,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:47,338 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 668 transitions. [2021-11-21 00:53:47,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-21 00:53:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 668 transitions. [2021-11-21 00:53:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 00:53:47,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:47,341 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:47,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:53:47,341 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-21 00:53:47,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:47,342 INFO L85 PathProgramCache]: Analyzing trace with hash 873951641, now seen corresponding path program 1 times [2021-11-21 00:53:47,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:47,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747806251] [2021-11-21 00:53:47,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:47,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:47,468 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:47,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747806251] [2021-11-21 00:53:47,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747806251] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:47,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:47,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:53:47,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001763615] [2021-11-21 00:53:47,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:47,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:53:47,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:47,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:53:47,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:53:47,470 INFO L87 Difference]: Start difference. First operand 357 states and 668 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-11-21 00:53:47,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:47,693 INFO L93 Difference]: Finished difference Result 423 states and 793 transitions. [2021-11-21 00:53:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:53:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) Word has length 16 [2021-11-21 00:53:47,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:47,701 INFO L225 Difference]: With dead ends: 423 [2021-11-21 00:53:47,702 INFO L226 Difference]: Without dead ends: 395 [2021-11-21 00:53:47,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:53:47,703 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 39 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:47,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 26 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:53:47,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2021-11-21 00:53:47,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 380. [2021-11-21 00:53:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 373 states have (on average 1.8981233243967828) internal successors, (708), 379 states have internal predecessors, (708), 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) [2021-11-21 00:53:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 708 transitions. [2021-11-21 00:53:47,717 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 708 transitions. Word has length 16 [2021-11-21 00:53:47,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:47,718 INFO L470 AbstractCegarLoop]: Abstraction has 380 states and 708 transitions. [2021-11-21 00:53:47,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-11-21 00:53:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 708 transitions. [2021-11-21 00:53:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 00:53:47,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:47,720 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:47,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:53:47,720 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-21 00:53:47,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:47,721 INFO L85 PathProgramCache]: Analyzing trace with hash 14886429, now seen corresponding path program 1 times [2021-11-21 00:53:47,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:47,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139451339] [2021-11-21 00:53:47,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:47,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:47,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:47,862 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:47,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139451339] [2021-11-21 00:53:47,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139451339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:47,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:47,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:53:47,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684083461] [2021-11-21 00:53:47,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:47,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:53:47,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:47,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:53:47,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:53:47,865 INFO L87 Difference]: Start difference. First operand 380 states and 708 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-11-21 00:53:48,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:48,052 INFO L93 Difference]: Finished difference Result 430 states and 800 transitions. [2021-11-21 00:53:48,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:53:48,052 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) Word has length 16 [2021-11-21 00:53:48,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:48,055 INFO L225 Difference]: With dead ends: 430 [2021-11-21 00:53:48,056 INFO L226 Difference]: Without dead ends: 402 [2021-11-21 00:53:48,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:53:48,057 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:48,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 18 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:53:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2021-11-21 00:53:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2021-11-21 00:53:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 395 states have (on average 1.8784810126582279) internal successors, (742), 401 states have internal predecessors, (742), 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) [2021-11-21 00:53:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 742 transitions. [2021-11-21 00:53:48,071 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 742 transitions. Word has length 16 [2021-11-21 00:53:48,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:48,071 INFO L470 AbstractCegarLoop]: Abstraction has 402 states and 742 transitions. [2021-11-21 00:53:48,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-11-21 00:53:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 742 transitions. [2021-11-21 00:53:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 00:53:48,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:48,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:48,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:53:48,074 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-21 00:53:48,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:48,074 INFO L85 PathProgramCache]: Analyzing trace with hash -2000961784, now seen corresponding path program 1 times [2021-11-21 00:53:48,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:48,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964328335] [2021-11-21 00:53:48,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:48,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:48,242 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:48,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964328335] [2021-11-21 00:53:48,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964328335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:48,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:48,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:53:48,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075666995] [2021-11-21 00:53:48,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:48,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:53:48,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:48,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:53:48,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:48,244 INFO L87 Difference]: Start difference. First operand 402 states and 742 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-21 00:53:48,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:48,302 INFO L93 Difference]: Finished difference Result 402 states and 730 transitions. [2021-11-21 00:53:48,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:53:48,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) Word has length 20 [2021-11-21 00:53:48,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:48,306 INFO L225 Difference]: With dead ends: 402 [2021-11-21 00:53:48,306 INFO L226 Difference]: Without dead ends: 378 [2021-11-21 00:53:48,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:48,312 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 67 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:48,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 31 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:53:48,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-11-21 00:53:48,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2021-11-21 00:53:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 371 states have (on average 1.8706199460916442) internal successors, (694), 377 states have internal predecessors, (694), 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) [2021-11-21 00:53:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 694 transitions. [2021-11-21 00:53:48,327 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 694 transitions. Word has length 20 [2021-11-21 00:53:48,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:48,327 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 694 transitions. [2021-11-21 00:53:48,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-21 00:53:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 694 transitions. [2021-11-21 00:53:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 00:53:48,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:48,329 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:48,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:53:48,329 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2021-11-21 00:53:48,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:48,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1827395520, now seen corresponding path program 2 times [2021-11-21 00:53:48,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:48,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201671891] [2021-11-21 00:53:48,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:48,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:48,526 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:48,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201671891] [2021-11-21 00:53:48,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201671891] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:48,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:48,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:53:48,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127010745] [2021-11-21 00:53:48,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:48,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:53:48,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:48,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:53:48,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:48,528 INFO L87 Difference]: Start difference. First operand 378 states and 694 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-21 00:53:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:48,547 INFO L93 Difference]: Finished difference Result 30 states and 42 transitions. [2021-11-21 00:53:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:53:48,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) Word has length 20 [2021-11-21 00:53:48,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:48,548 INFO L225 Difference]: With dead ends: 30 [2021-11-21 00:53:48,548 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 00:53:48,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:48,549 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:48,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:53:48,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 00:53:48,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 00:53:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-21 00:53:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 00:53:48,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-21 00:53:48,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:48,551 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 00:53:48,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-21 00:53:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 00:53:48,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 00:53:48,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2021-11-21 00:53:48,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2021-11-21 00:53:48,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2021-11-21 00:53:48,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2021-11-21 00:53:48,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2021-11-21 00:53:48,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2021-11-21 00:53:48,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 13 remaining) [2021-11-21 00:53:48,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2021-11-21 00:53:48,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2021-11-21 00:53:48,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2021-11-21 00:53:48,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2021-11-21 00:53:48,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2021-11-21 00:53:48,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2021-11-21 00:53:48,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:53:48,558 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2021-11-21 00:53:48,562 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-21 00:53:48,562 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 00:53:48,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:53:48 BasicIcfg [2021-11-21 00:53:48,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 00:53:48,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 00:53:48,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 00:53:48,565 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 00:53:48,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:53:41" (3/4) ... [2021-11-21 00:53:48,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 00:53:48,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-21 00:53:48,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-21 00:53:48,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-21 00:53:48,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 00:53:48,610 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 00:53:48,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 00:53:48,611 INFO L158 Benchmark]: Toolchain (without parser) took 8637.15ms. Allocated memory was 98.6MB in the beginning and 172.0MB in the end (delta: 73.4MB). Free memory was 59.2MB in the beginning and 71.0MB in the end (delta: -11.8MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-11-21 00:53:48,611 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:53:48,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.50ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 59.1MB in the beginning and 82.8MB in the end (delta: -23.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 00:53:48,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.59ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 79.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 00:53:48,612 INFO L158 Benchmark]: Boogie Preprocessor took 72.81ms. Allocated memory is still 136.3MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:53:48,613 INFO L158 Benchmark]: RCFGBuilder took 518.83ms. Allocated memory is still 136.3MB. Free memory was 77.7MB in the beginning and 63.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 00:53:48,613 INFO L158 Benchmark]: TraceAbstraction took 7134.54ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 63.0MB in the beginning and 73.1MB in the end (delta: -10.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-21 00:53:48,613 INFO L158 Benchmark]: Witness Printer took 45.46ms. Allocated memory is still 172.0MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:53:48,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.50ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 59.1MB in the beginning and 82.8MB in the end (delta: -23.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.59ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 79.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.81ms. Allocated memory is still 136.3MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.83ms. Allocated memory is still 136.3MB. Free memory was 77.7MB in the beginning and 63.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7134.54ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 63.0MB in the beginning and 73.1MB in the end (delta: -10.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 45.46ms. Allocated memory is still 172.0MB. Free memory was 73.1MB in the beginning and 71.0MB 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: 4.2s, 119 PlacesBefore, 46 PlacesAfterwards, 115 TransitionsBefore, 42 TransitionsAfterwards, 2652 CoEnabledTransitionPairs, 7 FixpointIterations, 49 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 89 TotalNumberOfCompositions, 11377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2580, positive: 2099, positive conditional: 0, positive unconditional: 2099, negative: 481, negative conditional: 0, negative unconditional: 481, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1485, positive: 1414, positive conditional: 0, positive unconditional: 1414, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1485, positive: 1395, positive conditional: 0, positive unconditional: 1395, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 90, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 266, negative conditional: 0, negative unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2580, positive: 685, positive conditional: 0, positive unconditional: 685, negative: 410, negative conditional: 0, negative unconditional: 410, unknown: 1485, unknown conditional: 0, unknown unconditional: 1485] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 133, Positive conditional cache size: 0, Positive unconditional cache size: 133, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53 - 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 - PositiveResult [Line: 1244]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1245]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1247]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 152 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 142 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 858 IncrementalHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 121 mSDtfsCounter, 858 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=5, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 43 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-21 00:53:48,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135cf094-9b17-49d7-bbc5-fba2fc58c61a/bin/utaipan-TEXQjIfE4P/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 Result: TRUE