./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh --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 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --- 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-2329fc7 [2022-12-14 07:30:53,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:30:53,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:30:53,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:30:53,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:30:53,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:30:53,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:30:53,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:30:53,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:30:53,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:30:53,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:30:53,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:30:53,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:30:53,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:30:53,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:30:53,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:30:53,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:30:53,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:30:53,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:30:53,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:30:53,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:30:53,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:30:53,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:30:53,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:30:53,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:30:53,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:30:53,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:30:53,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:30:53,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:30:53,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:30:53,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:30:53,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:30:53,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:30:53,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:30:53,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:30:53,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:30:53,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:30:53,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:30:53,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:30:53,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:30:53,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:30:53,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 07:30:53,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:30:53,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:30:53,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:30:53,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:30:53,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:30:53,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:30:53,857 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:30:53,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:30:53,857 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:30:53,857 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:30:53,858 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:30:53,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:30:53,858 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:30:53,858 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:30:53,858 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:30:53,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:30:53,859 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:30:53,859 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:30:53,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:30:53,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:30:53,860 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:30:53,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:30:53,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:30:53,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:30:53,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:30:53,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:30:53,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:30:53,861 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 07:30:53,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:30:53,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:30:53,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:30:53,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:30:53,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:30:53,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:30:53,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:30:53,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:30:53,863 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:30:53,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:30:53,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:30:53,864 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:30:53,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:30:53,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:30:53,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:30:53,865 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_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 [2022-12-14 07:30:54,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:30:54,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:30:54,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:30:54,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:30:54,074 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:30:54,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2022-12-14 07:30:56,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:30:56,836 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:30:56,836 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2022-12-14 07:30:56,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/data/bd94bbb38/333e85ddea984c0fa3063ff4dce0195d/FLAG909c36af8 [2022-12-14 07:30:56,860 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/data/bd94bbb38/333e85ddea984c0fa3063ff4dce0195d [2022-12-14 07:30:56,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:30:56,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:30:56,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:30:56,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:30:56,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:30:56,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:30:56" (1/1) ... [2022-12-14 07:30:56,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31966c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:56, skipping insertion in model container [2022-12-14 07:30:56,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:30:56" (1/1) ... [2022-12-14 07:30:56,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:30:56,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:30:57,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i[1097,1110] [2022-12-14 07:30:57,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:30:57,193 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:30:57,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i[1097,1110] [2022-12-14 07:30:57,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:30:57,256 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:30:57,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57 WrapperNode [2022-12-14 07:30:57,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:30:57,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:30:57,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:30:57,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:30:57,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,294 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-12-14 07:30:57,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:30:57,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:30:57,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:30:57,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:30:57,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,315 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:30:57,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:30:57,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:30:57,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:30:57,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (1/1) ... [2022-12-14 07:30:57,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:30:57,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:30:57,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:30:57,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:30:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:30:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:30:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 07:30:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:30:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:30:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 07:30:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 07:30:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:30:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:30:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:30:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:30:57,384 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 07:30:57,478 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:30:57,480 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:30:57,666 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:30:57,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:30:57,673 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:30:57,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:30:57 BoogieIcfgContainer [2022-12-14 07:30:57,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:30:57,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:30:57,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:30:57,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:30:57,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:30:56" (1/3) ... [2022-12-14 07:30:57,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5327d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:30:57, skipping insertion in model container [2022-12-14 07:30:57,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:57" (2/3) ... [2022-12-14 07:30:57,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5327d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:30:57, skipping insertion in model container [2022-12-14 07:30:57,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:30:57" (3/3) ... [2022-12-14 07:30:57,685 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2022-12-14 07:30:57,694 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 07:30:57,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:30:57,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 07:30:57,705 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 07:30:57,762 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 07:30:57,794 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 07:30:57,810 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 105 transitions, 218 flow [2022-12-14 07:30:57,813 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 105 transitions, 218 flow [2022-12-14 07:30:57,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 105 transitions, 218 flow [2022-12-14 07:30:57,867 INFO L130 PetriNetUnfolder]: 1/104 cut-off events. [2022-12-14 07:30:57,868 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 07:30:57,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 1/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2022-12-14 07:30:57,874 INFO L119 LiptonReduction]: Number of co-enabled transitions 2040 [2022-12-14 07:31:00,227 INFO L134 LiptonReduction]: Checked pairs total: 10869 [2022-12-14 07:31:00,228 INFO L136 LiptonReduction]: Total number of compositions: 94 [2022-12-14 07:31:00,234 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 36 transitions, 80 flow [2022-12-14 07:31:00,254 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 246 states, 232 states have (on average 2.0560344827586206) internal successors, (477), 245 states have internal predecessors, (477), 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) [2022-12-14 07:31:00,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:31:00,271 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;@5df621b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:31:00,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-12-14 07:31:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 246 states, 232 states have (on average 2.0560344827586206) internal successors, (477), 245 states have internal predecessors, (477), 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) [2022-12-14 07:31:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 07:31:00,277 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:31:00,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 07:31:00,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-14 07:31:00,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:31:00,281 INFO L85 PathProgramCache]: Analyzing trace with hash 361724, now seen corresponding path program 1 times [2022-12-14 07:31:00,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:31:00,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951267669] [2022-12-14 07:31:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:31:00,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:31:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:31:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:31:00,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:31:00,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951267669] [2022-12-14 07:31:00,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951267669] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:31:00,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:31:00,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 07:31:00,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019250940] [2022-12-14 07:31:00,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:31:00,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:31:00,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:31:00,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:31:00,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:31:00,426 INFO L87 Difference]: Start difference. First operand has 246 states, 232 states have (on average 2.0560344827586206) internal successors, (477), 245 states have internal predecessors, (477), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-14 07:31:00,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:31:00,467 INFO L93 Difference]: Finished difference Result 220 states and 408 transitions. [2022-12-14 07:31:00,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:31:00,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-12-14 07:31:00,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:31:00,479 INFO L225 Difference]: With dead ends: 220 [2022-12-14 07:31:00,479 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 07:31:00,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:31:00,482 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:31:00,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:31:00,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 07:31:00,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2022-12-14 07:31:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 212 states have (on average 1.9245283018867925) internal successors, (408), 219 states have internal predecessors, (408), 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) [2022-12-14 07:31:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 408 transitions. [2022-12-14 07:31:00,525 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 408 transitions. Word has length 3 [2022-12-14 07:31:00,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:31:00,526 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 408 transitions. [2022-12-14 07:31:00,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-14 07:31:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 408 transitions. [2022-12-14 07:31:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:31:00,526 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:31:00,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:31:00,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:31:00,527 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-14 07:31:00,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:31:00,527 INFO L85 PathProgramCache]: Analyzing trace with hash -890265681, now seen corresponding path program 1 times [2022-12-14 07:31:00,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:31:00,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658388636] [2022-12-14 07:31:00,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:31:00,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:31:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:31:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:31:00,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:31:00,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658388636] [2022-12-14 07:31:00,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658388636] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:31:00,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:31:00,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:31:00,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509447945] [2022-12-14 07:31:00,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:31:00,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:31:00,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:31:00,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:31:00,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:00,606 INFO L87 Difference]: Start difference. First operand 220 states and 408 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 07:31:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:31:00,653 INFO L93 Difference]: Finished difference Result 223 states and 413 transitions. [2022-12-14 07:31:00,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:31:00,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-12-14 07:31:00,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:31:00,655 INFO L225 Difference]: With dead ends: 223 [2022-12-14 07:31:00,655 INFO L226 Difference]: Without dead ends: 223 [2022-12-14 07:31:00,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:00,657 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:31:00,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:31:00,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-12-14 07:31:00,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-12-14 07:31:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 215 states have (on average 1.9209302325581394) internal successors, (413), 222 states have internal predecessors, (413), 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) [2022-12-14 07:31:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 413 transitions. [2022-12-14 07:31:00,673 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 413 transitions. Word has length 8 [2022-12-14 07:31:00,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:31:00,673 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 413 transitions. [2022-12-14 07:31:00,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 07:31:00,673 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 413 transitions. [2022-12-14 07:31:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:31:00,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:31:00,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:31:00,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:31:00,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-14 07:31:00,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:31:00,675 INFO L85 PathProgramCache]: Analyzing trace with hash 701665439, now seen corresponding path program 1 times [2022-12-14 07:31:00,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:31:00,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391505135] [2022-12-14 07:31:00,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:31:00,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:31:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:31:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:31:00,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:31:00,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391505135] [2022-12-14 07:31:00,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391505135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:31:00,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:31:00,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:31:00,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999713193] [2022-12-14 07:31:00,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:31:00,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:31:00,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:31:00,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:31:00,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:00,732 INFO L87 Difference]: Start difference. First operand 223 states and 413 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 07:31:00,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:31:00,776 INFO L93 Difference]: Finished difference Result 275 states and 499 transitions. [2022-12-14 07:31:00,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:31:00,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-12-14 07:31:00,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:31:00,779 INFO L225 Difference]: With dead ends: 275 [2022-12-14 07:31:00,779 INFO L226 Difference]: Without dead ends: 275 [2022-12-14 07:31:00,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:00,780 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 22 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:31:00,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 17 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:31:00,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-12-14 07:31:00,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 224. [2022-12-14 07:31:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 217 states have (on average 1.8986175115207373) internal successors, (412), 223 states have internal predecessors, (412), 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) [2022-12-14 07:31:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 412 transitions. [2022-12-14 07:31:00,794 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 412 transitions. Word has length 8 [2022-12-14 07:31:00,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:31:00,795 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 412 transitions. [2022-12-14 07:31:00,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 07:31:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 412 transitions. [2022-12-14 07:31:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 07:31:00,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:31:00,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:31:00,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:31:00,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-14 07:31:00,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:31:00,797 INFO L85 PathProgramCache]: Analyzing trace with hash -321012624, now seen corresponding path program 1 times [2022-12-14 07:31:00,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:31:00,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75170885] [2022-12-14 07:31:00,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:31:00,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:31:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:31:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:31:01,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:31:01,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75170885] [2022-12-14 07:31:01,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75170885] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:31:01,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:31:01,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:31:01,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650118163] [2022-12-14 07:31:01,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:31:01,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:31:01,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:31:01,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:31:01,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:01,007 INFO L87 Difference]: Start difference. First operand 224 states and 412 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 07:31:01,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:31:01,042 INFO L93 Difference]: Finished difference Result 206 states and 377 transitions. [2022-12-14 07:31:01,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:31:01,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-12-14 07:31:01,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:31:01,043 INFO L225 Difference]: With dead ends: 206 [2022-12-14 07:31:01,043 INFO L226 Difference]: Without dead ends: 176 [2022-12-14 07:31:01,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:01,045 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:31:01,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 28 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:31:01,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-12-14 07:31:01,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2022-12-14 07:31:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 172 states have (on average 1.8430232558139534) internal successors, (317), 175 states have internal predecessors, (317), 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) [2022-12-14 07:31:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 317 transitions. [2022-12-14 07:31:01,052 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 317 transitions. Word has length 12 [2022-12-14 07:31:01,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:31:01,053 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 317 transitions. [2022-12-14 07:31:01,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 07:31:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 317 transitions. [2022-12-14 07:31:01,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 07:31:01,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:31:01,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:31:01,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:31:01,054 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-14 07:31:01,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:31:01,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1548286921, now seen corresponding path program 1 times [2022-12-14 07:31:01,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:31:01,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157193755] [2022-12-14 07:31:01,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:31:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:31:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:31:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:31:01,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:31:01,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157193755] [2022-12-14 07:31:01,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157193755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:31:01,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:31:01,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:31:01,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237621855] [2022-12-14 07:31:01,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:31:01,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:31:01,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:31:01,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:31:01,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:01,118 INFO L87 Difference]: Start difference. First operand 176 states and 317 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-14 07:31:01,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:31:01,150 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2022-12-14 07:31:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:31:01,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-12-14 07:31:01,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:31:01,150 INFO L225 Difference]: With dead ends: 115 [2022-12-14 07:31:01,150 INFO L226 Difference]: Without dead ends: 115 [2022-12-14 07:31:01,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:01,151 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 11 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:31:01,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 11 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:31:01,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-12-14 07:31:01,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 95. [2022-12-14 07:31:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 92 states have (on average 1.5108695652173914) internal successors, (139), 94 states have internal predecessors, (139), 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) [2022-12-14 07:31:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 139 transitions. [2022-12-14 07:31:01,155 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 139 transitions. Word has length 13 [2022-12-14 07:31:01,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:31:01,156 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 139 transitions. [2022-12-14 07:31:01,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-14 07:31:01,156 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2022-12-14 07:31:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 07:31:01,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:31:01,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:31:01,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:31:01,157 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-14 07:31:01,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:31:01,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1459538906, now seen corresponding path program 1 times [2022-12-14 07:31:01,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:31:01,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342136254] [2022-12-14 07:31:01,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:31:01,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:31:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:31:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:31:01,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:31:01,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342136254] [2022-12-14 07:31:01,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342136254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:31:01,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:31:01,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:31:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946843031] [2022-12-14 07:31:01,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:31:01,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:31:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:31:01,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:31:01,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:01,186 INFO L87 Difference]: Start difference. First operand 95 states and 139 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:31:01,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:31:01,212 INFO L93 Difference]: Finished difference Result 89 states and 130 transitions. [2022-12-14 07:31:01,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:31:01,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 07:31:01,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:31:01,212 INFO L225 Difference]: With dead ends: 89 [2022-12-14 07:31:01,212 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 07:31:01,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:31:01,213 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:31:01,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 8 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:31:01,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 07:31:01,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 07:31:01,214 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) [2022-12-14 07:31:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 07:31:01,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-12-14 07:31:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:31:01,215 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 07:31:01,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:31:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 07:31:01,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 07:31:01,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-12-14 07:31:01,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-12-14 07:31:01,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2022-12-14 07:31:01,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-12-14 07:31:01,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2022-12-14 07:31:01,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-12-14 07:31:01,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-12-14 07:31:01,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-12-14 07:31:01,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-12-14 07:31:01,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-12-14 07:31:01,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-12-14 07:31:01,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:31:01,221 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 07:31:01,224 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 07:31:01,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:31:01,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:31:01 BasicIcfg [2022-12-14 07:31:01,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:31:01,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:31:01,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:31:01,227 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:31:01,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:30:57" (3/4) ... [2022-12-14 07:31:01,229 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 07:31:01,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-14 07:31:01,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 07:31:01,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 07:31:01,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 07:31:01,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:31:01,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:31:01,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:31:01,261 INFO L158 Benchmark]: Toolchain (without parser) took 4396.23ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 78.8MB in the beginning and 57.8MB in the end (delta: 21.1MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-12-14 07:31:01,261 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:31:01,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.80ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 59.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 07:31:01,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.45ms. Allocated memory is still 119.5MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:31:01,262 INFO L158 Benchmark]: Boogie Preprocessor took 23.81ms. Allocated memory is still 119.5MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:31:01,262 INFO L158 Benchmark]: RCFGBuilder took 356.51ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 55.8MB in the beginning and 109.9MB in the end (delta: -54.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-14 07:31:01,262 INFO L158 Benchmark]: TraceAbstraction took 3547.47ms. Allocated memory is still 144.7MB. Free memory was 109.5MB in the beginning and 60.9MB in the end (delta: 48.6MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-12-14 07:31:01,263 INFO L158 Benchmark]: Witness Printer took 33.63ms. Allocated memory is still 144.7MB. Free memory was 60.9MB in the beginning and 57.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 07:31:01,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.80ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 59.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.45ms. Allocated memory is still 119.5MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.81ms. Allocated memory is still 119.5MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.51ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 55.8MB in the beginning and 109.9MB in the end (delta: -54.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3547.47ms. Allocated memory is still 144.7MB. Free memory was 109.5MB in the beginning and 60.9MB in the end (delta: 48.6MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Witness Printer took 33.63ms. Allocated memory is still 144.7MB. Free memory was 60.9MB in the beginning and 57.8MB 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: 2.4s, 108 PlacesBefore, 39 PlacesAfterwards, 105 TransitionsBefore, 36 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 11 FixpointIterations, 36 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 94 TotalNumberOfCompositions, 10869 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4385, independent: 3820, independent conditional: 0, independent unconditional: 3820, dependent: 565, dependent conditional: 0, dependent unconditional: 565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1575, independent: 1497, independent conditional: 0, independent unconditional: 1497, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1575, independent: 1315, independent conditional: 0, independent unconditional: 1315, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 260, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4385, independent: 2323, independent conditional: 0, independent unconditional: 2323, dependent: 487, dependent conditional: 0, dependent unconditional: 487, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 186, Positive conditional cache size: 0, Positive unconditional cache size: 186, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, 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: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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, 141 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 249 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 65 mSDtfsCounter, 249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=246occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 71 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 07:31:01,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3991f933-e62d-4edd-a8cb-8ddd47294e6f/bin/utaipan-gh47qXpMRh/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