./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/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_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:05:39,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:05:39,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:05:39,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:05:39,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:05:39,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:05:39,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:05:39,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:05:39,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:05:39,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:05:39,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:05:39,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:05:39,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:05:39,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:05:39,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:05:39,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:05:39,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:05:39,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:05:39,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:05:39,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:05:39,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:05:39,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:05:39,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:05:39,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:05:39,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:05:39,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:05:39,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:05:39,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:05:39,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:05:39,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:05:39,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:05:39,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:05:39,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:05:39,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:05:39,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:05:39,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:05:39,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:05:39,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:05:39,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:05:39,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:05:39,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:05:39,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 14:05:39,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:05:39,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:05:39,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:05:39,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:05:39,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:05:39,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:05:39,777 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:05:39,777 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:05:39,777 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:05:39,777 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:05:39,779 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:05:39,779 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:05:39,779 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:05:39,779 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:05:39,779 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:05:39,780 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:05:39,780 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:05:39,780 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:05:39,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:05:39,781 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:05:39,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:05:39,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:05:39,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:05:39,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:05:39,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:05:39,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:05:39,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:05:39,783 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 14:05:39,784 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:05:39,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:05:39,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:05:39,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:05:39,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:05:39,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:05:39,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:05:39,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:05:39,787 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:05:39,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:05:39,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:05:39,787 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:05:39,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:05:39,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:05:39,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:05:39,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a [2022-11-23 14:05:40,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:05:40,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:05:40,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:05:40,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:05:40,128 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:05:40,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2022-11-23 14:05:43,264 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:05:43,730 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:05:43,731 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2022-11-23 14:05:43,753 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/data/6e412d266/37bf61a599994025ac250374b70e2bd9/FLAG2cd803c86 [2022-11-23 14:05:43,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/data/6e412d266/37bf61a599994025ac250374b70e2bd9 [2022-11-23 14:05:43,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:05:43,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:05:43,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:05:43,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:05:43,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:05:43,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:43" (1/1) ... [2022-11-23 14:05:43,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a59bb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:43, skipping insertion in model container [2022-11-23 14:05:43,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:43" (1/1) ... [2022-11-23 14:05:43,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:05:43,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:05:44,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:05:44,631 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:05:44,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:05:44,781 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:05:44,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44 WrapperNode [2022-11-23 14:05:44,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:05:44,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:05:44,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:05:44,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:05:44,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,867 INFO L138 Inliner]: procedures = 365, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2022-11-23 14:05:44,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:05:44,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:05:44,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:05:44,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:05:44,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,908 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:05:44,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:05:44,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:05:44,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:05:44,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:05:44,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:05:44,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:05:44,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:05:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:05:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:05:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:05:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:05:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 14:05:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:05:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 14:05:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 14:05:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:05:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:05:45,018 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:05:45,243 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:05:45,251 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:05:45,545 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:05:45,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:05:45,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:05:45,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:45 BoogieIcfgContainer [2022-11-23 14:05:45,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:05:45,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:05:45,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:05:45,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:05:45,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:05:43" (1/3) ... [2022-11-23 14:05:45,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2652d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:45, skipping insertion in model container [2022-11-23 14:05:45,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (2/3) ... [2022-11-23 14:05:45,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2652d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:45, skipping insertion in model container [2022-11-23 14:05:45,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:45" (3/3) ... [2022-11-23 14:05:45,568 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2022-11-23 14:05:45,578 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:05:45,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:05:45,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-11-23 14:05:45,590 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 14:05:45,660 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 14:05:45,699 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 14:05:45,716 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 115 transitions, 235 flow [2022-11-23 14:05:45,720 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 115 transitions, 235 flow [2022-11-23 14:05:45,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 115 transitions, 235 flow [2022-11-23 14:05:45,785 INFO L130 PetriNetUnfolder]: 0/114 cut-off events. [2022-11-23 14:05:45,786 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 14:05:45,790 INFO L83 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. [2022-11-23 14:05:45,793 INFO L119 LiptonReduction]: Number of co-enabled transitions 2652 [2022-11-23 14:05:50,314 INFO L134 LiptonReduction]: Checked pairs total: 11594 [2022-11-23 14:05:50,315 INFO L136 LiptonReduction]: Total number of compositions: 88 [2022-11-23 14:05:50,324 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 42 transitions, 89 flow [2022-11-23 14:05:50,373 INFO L135 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) [2022-11-23 14:05:50,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:05:50,401 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@136a316d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:05:50,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-23 14:05:50,406 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) [2022-11-23 14:05:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-23 14:05:50,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:05:50,413 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-23 14:05:50,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-23 14:05:50,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:05:50,420 INFO L85 PathProgramCache]: Analyzing trace with hash 384, now seen corresponding path program 1 times [2022-11-23 14:05:50,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:05:50,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766276729] [2022-11-23 14:05:50,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:05:50,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:05:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:05:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:05:50,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:05:50,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766276729] [2022-11-23 14:05:50,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766276729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:05:50,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:05:50,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 14:05:50,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893134669] [2022-11-23 14:05:50,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:05:50,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:05:50,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:05:50,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:05:50,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:05:50,653 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) [2022-11-23 14:05:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:05:50,748 INFO L93 Difference]: Finished difference Result 322 states and 606 transitions. [2022-11-23 14:05:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:05:50,752 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 [2022-11-23 14:05:50,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:05:50,777 INFO L225 Difference]: With dead ends: 322 [2022-11-23 14:05:50,777 INFO L226 Difference]: Without dead ends: 322 [2022-11-23 14:05:50,779 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:05:50,784 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:05:50,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:05:50,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-11-23 14:05:50,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2022-11-23 14:05:50,877 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) [2022-11-23 14:05:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 606 transitions. [2022-11-23 14:05:50,884 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 606 transitions. Word has length 1 [2022-11-23 14:05:50,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:05:50,885 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 606 transitions. [2022-11-23 14:05:50,885 INFO L496 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) [2022-11-23 14:05:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 606 transitions. [2022-11-23 14:05:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:05:50,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:05:50,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:05:50,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:05:50,888 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-23 14:05:50,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:05:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1395150010, now seen corresponding path program 1 times [2022-11-23 14:05:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:05:50,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679750133] [2022-11-23 14:05:50,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:05:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:05:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:05:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:05:51,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:05:51,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679750133] [2022-11-23 14:05:51,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679750133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:05:51,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:05:51,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:05:51,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939484863] [2022-11-23 14:05:51,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:05:51,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:05:51,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:05:51,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:05:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:05:51,555 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) [2022-11-23 14:05:51,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:05:51,946 INFO L93 Difference]: Finished difference Result 353 states and 662 transitions. [2022-11-23 14:05:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:05:51,946 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 [2022-11-23 14:05:51,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:05:51,949 INFO L225 Difference]: With dead ends: 353 [2022-11-23 14:05:51,949 INFO L226 Difference]: Without dead ends: 353 [2022-11-23 14:05:51,949 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:05:51,951 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 42 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:05:51,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 26 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:05:51,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-23 14:05:51,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 339. [2022-11-23 14:05:51,966 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) [2022-11-23 14:05:51,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 636 transitions. [2022-11-23 14:05:51,968 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 636 transitions. Word has length 10 [2022-11-23 14:05:51,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:05:51,969 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 636 transitions. [2022-11-23 14:05:51,969 INFO L496 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) [2022-11-23 14:05:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 636 transitions. [2022-11-23 14:05:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:05:51,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:05:51,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:05:51,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:05:51,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-23 14:05:51,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:05:51,971 INFO L85 PathProgramCache]: Analyzing trace with hash -431905724, now seen corresponding path program 1 times [2022-11-23 14:05:51,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:05:51,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9138765] [2022-11-23 14:05:51,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:05:51,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:05:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:05:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:05:52,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:05:52,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9138765] [2022-11-23 14:05:52,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9138765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:05:52,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:05:52,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:05:52,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95274537] [2022-11-23 14:05:52,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:05:52,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:05:52,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:05:52,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:05:52,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:05:52,309 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) [2022-11-23 14:05:52,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:05:52,553 INFO L93 Difference]: Finished difference Result 371 states and 694 transitions. [2022-11-23 14:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:05:52,554 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 [2022-11-23 14:05:52,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:05:52,555 INFO L225 Difference]: With dead ends: 371 [2022-11-23 14:05:52,556 INFO L226 Difference]: Without dead ends: 371 [2022-11-23 14:05:52,556 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:05:52,557 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 38 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:05:52,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 26 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:05:52,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-11-23 14:05:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 357. [2022-11-23 14:05:52,571 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) [2022-11-23 14:05:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 668 transitions. [2022-11-23 14:05:52,573 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 668 transitions. Word has length 10 [2022-11-23 14:05:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:05:52,573 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 668 transitions. [2022-11-23 14:05:52,573 INFO L496 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) [2022-11-23 14:05:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 668 transitions. [2022-11-23 14:05:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:05:52,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:05:52,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:05:52,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:05:52,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-23 14:05:52,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:05:52,580 INFO L85 PathProgramCache]: Analyzing trace with hash -727360761, now seen corresponding path program 1 times [2022-11-23 14:05:52,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:05:52,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288462206] [2022-11-23 14:05:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:05:52,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:05:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:05:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:05:52,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:05:52,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288462206] [2022-11-23 14:05:52,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288462206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:05:52,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:05:52,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:05:52,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978965627] [2022-11-23 14:05:52,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:05:52,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:05:52,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:05:52,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:05:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:05:53,000 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) [2022-11-23 14:05:53,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:05:53,269 INFO L93 Difference]: Finished difference Result 423 states and 793 transitions. [2022-11-23 14:05:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:05:53,270 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 [2022-11-23 14:05:53,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:05:53,273 INFO L225 Difference]: With dead ends: 423 [2022-11-23 14:05:53,273 INFO L226 Difference]: Without dead ends: 395 [2022-11-23 14:05:53,274 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:05:53,274 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 39 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 27 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 [2022-11-23 14:05:53,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 27 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:05:53,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-11-23 14:05:53,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 380. [2022-11-23 14:05:53,287 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) [2022-11-23 14:05:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 708 transitions. [2022-11-23 14:05:53,289 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 708 transitions. Word has length 16 [2022-11-23 14:05:53,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:05:53,289 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 708 transitions. [2022-11-23 14:05:53,290 INFO L496 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) [2022-11-23 14:05:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 708 transitions. [2022-11-23 14:05:53,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:05:53,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:05:53,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:05:53,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:05:53,298 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-23 14:05:53,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:05:53,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2124747874, now seen corresponding path program 1 times [2022-11-23 14:05:53,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:05:53,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553668019] [2022-11-23 14:05:53,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:05:53,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:05:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:05:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:05:53,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:05:53,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553668019] [2022-11-23 14:05:53,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553668019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:05:53,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:05:53,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:05:53,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420065311] [2022-11-23 14:05:53,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:05:53,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:05:53,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:05:53,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:05:53,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:05:53,629 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) [2022-11-23 14:05:53,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:05:53,838 INFO L93 Difference]: Finished difference Result 438 states and 814 transitions. [2022-11-23 14:05:53,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:05:53,839 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 [2022-11-23 14:05:53,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:05:53,841 INFO L225 Difference]: With dead ends: 438 [2022-11-23 14:05:53,841 INFO L226 Difference]: Without dead ends: 410 [2022-11-23 14:05:53,842 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:05:53,842 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 39 mSDsluCounter, 5 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 [2022-11-23 14:05:53,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 26 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:05:53,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-11-23 14:05:53,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 402. [2022-11-23 14:05:53,860 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) [2022-11-23 14:05:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 742 transitions. [2022-11-23 14:05:53,863 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 742 transitions. Word has length 16 [2022-11-23 14:05:53,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:05:53,863 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 742 transitions. [2022-11-23 14:05:53,863 INFO L496 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) [2022-11-23 14:05:53,863 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 742 transitions. [2022-11-23 14:05:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 14:05:53,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:05:53,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:05:53,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:05:53,865 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-23 14:05:53,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:05:53,867 INFO L85 PathProgramCache]: Analyzing trace with hash 114240718, now seen corresponding path program 1 times [2022-11-23 14:05:53,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:05:53,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383605015] [2022-11-23 14:05:53,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:05:53,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:05:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:05:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:05:54,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:05:54,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383605015] [2022-11-23 14:05:54,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383605015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:05:54,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:05:54,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:05:54,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118356244] [2022-11-23 14:05:54,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:05:54,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:05:54,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:05:54,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:05:54,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:05:54,564 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) [2022-11-23 14:05:54,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:05:54,642 INFO L93 Difference]: Finished difference Result 402 states and 730 transitions. [2022-11-23 14:05:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:05:54,643 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 [2022-11-23 14:05:54,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:05:54,646 INFO L225 Difference]: With dead ends: 402 [2022-11-23 14:05:54,646 INFO L226 Difference]: Without dead ends: 378 [2022-11-23 14:05:54,647 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:05:54,649 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 54 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:05:54,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 31 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:05:54,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-11-23 14:05:54,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2022-11-23 14:05:54,667 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) [2022-11-23 14:05:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 694 transitions. [2022-11-23 14:05:54,668 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 694 transitions. Word has length 20 [2022-11-23 14:05:54,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:05:54,669 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 694 transitions. [2022-11-23 14:05:54,669 INFO L496 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) [2022-11-23 14:05:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 694 transitions. [2022-11-23 14:05:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 14:05:54,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:05:54,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:05:54,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:05:54,671 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-11-23 14:05:54,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:05:54,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1141794509, now seen corresponding path program 1 times [2022-11-23 14:05:54,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:05:54,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036801102] [2022-11-23 14:05:54,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:05:54,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:05:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:05:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:05:55,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:05:55,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036801102] [2022-11-23 14:05:55,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036801102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:05:55,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:05:55,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:05:55,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293702428] [2022-11-23 14:05:55,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:05:55,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:05:55,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:05:55,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:05:55,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:05:55,692 INFO L87 Difference]: Start difference. First operand 378 states and 694 transitions. Second operand has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 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) [2022-11-23 14:05:55,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:05:55,747 INFO L93 Difference]: Finished difference Result 30 states and 42 transitions. [2022-11-23 14:05:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:05:55,748 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 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 [2022-11-23 14:05:55,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:05:55,748 INFO L225 Difference]: With dead ends: 30 [2022-11-23 14:05:55,748 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:05:55,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:05:55,751 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:05:55,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:05:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:05:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:05:55,753 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) [2022-11-23 14:05:55,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:05:55,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-23 14:05:55,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:05:55,753 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:05:55,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 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) [2022-11-23 14:05:55,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:05:55,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:05:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-11-23 14:05:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-11-23 14:05:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2022-11-23 14:05:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-11-23 14:05:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2022-11-23 14:05:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2022-11-23 14:05:55,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2022-11-23 14:05:55,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-11-23 14:05:55,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2022-11-23 14:05:55,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2022-11-23 14:05:55,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2022-11-23 14:05:55,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-11-23 14:05:55,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-11-23 14:05:55,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:05:55,763 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:05:55,769 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 14:05:55,771 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:05:55,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:05:55 BasicIcfg [2022-11-23 14:05:55,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:05:55,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:05:55,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:05:55,777 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:05:55,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:45" (3/4) ... [2022-11-23 14:05:55,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:05:55,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-23 14:05:55,794 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-23 14:05:55,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 14:05:55,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 14:05:55,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:05:55,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:05:55,840 INFO L158 Benchmark]: Toolchain (without parser) took 12058.63ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 145.7MB in the beginning and 155.5MB in the end (delta: -9.9MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-11-23 14:05:55,841 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 75.4MB in the beginning and 75.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:05:55,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 997.22ms. Allocated memory is still 180.4MB. Free memory was 144.8MB in the beginning and 107.9MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-23 14:05:55,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.45ms. Allocated memory is still 180.4MB. Free memory was 107.9MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:05:55,842 INFO L158 Benchmark]: Boogie Preprocessor took 45.00ms. Allocated memory is still 180.4MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:05:55,842 INFO L158 Benchmark]: RCFGBuilder took 643.00ms. Allocated memory is still 180.4MB. Free memory was 102.9MB in the beginning and 86.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 14:05:55,842 INFO L158 Benchmark]: TraceAbstraction took 10216.39ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 85.2MB in the beginning and 158.7MB in the end (delta: -73.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:05:55,843 INFO L158 Benchmark]: Witness Printer took 63.18ms. Allocated memory is still 218.1MB. Free memory was 158.7MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:05:55,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 75.4MB in the beginning and 75.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 997.22ms. Allocated memory is still 180.4MB. Free memory was 144.8MB in the beginning and 107.9MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.45ms. Allocated memory is still 180.4MB. Free memory was 107.9MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.00ms. Allocated memory is still 180.4MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.00ms. Allocated memory is still 180.4MB. Free memory was 102.9MB in the beginning and 86.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10216.39ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 85.2MB in the beginning and 158.7MB in the end (delta: -73.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.18ms. Allocated memory is still 218.1MB. Free memory was 158.7MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.6s, 119 PlacesBefore, 46 PlacesAfterwards, 115 TransitionsBefore, 42 TransitionsAfterwards, 2652 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 88 TotalNumberOfCompositions, 11594 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2763, independent: 2280, independent conditional: 0, independent unconditional: 2280, dependent: 483, dependent conditional: 0, dependent unconditional: 483, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1538, independent: 1462, independent conditional: 0, independent unconditional: 1462, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1538, independent: 1439, independent conditional: 0, independent unconditional: 1439, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 408, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 355, dependent conditional: 0, dependent unconditional: 355, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2763, independent: 818, independent conditional: 0, independent unconditional: 818, dependent: 407, dependent conditional: 0, dependent unconditional: 407, unknown: 1538, unknown conditional: 0, unknown unconditional: 1538] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 157, Positive conditional cache size: 0, Positive unconditional cache size: 157, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 10.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 157 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 877 IncrementalHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 126 mSDtfsCounter, 877 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 937 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! [2022-11-23 14:05:55,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1eeb8b-9c62-4e89-a6ed-3ab62850a2ca/bin/utaipan-Q6hlc19bkW/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