./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI --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 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 --- 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-5e519f3 [2022-11-03 03:42:49,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:42:49,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:42:49,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:42:49,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:42:49,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:42:49,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:42:49,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:42:49,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:42:49,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:42:49,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:42:49,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:42:49,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:42:49,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:42:49,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:42:49,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:42:49,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:42:49,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:42:49,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:42:49,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:42:49,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:42:49,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:42:49,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:42:49,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:42:49,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:42:49,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:42:49,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:42:49,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:42:49,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:42:49,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:42:49,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:42:49,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:42:49,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:42:49,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:42:49,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:42:49,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:42:49,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:42:49,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:42:49,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:42:49,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:42:49,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:42:49,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:42:49,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:42:49,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:42:49,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:42:49,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:42:49,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:42:49,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:42:49,707 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:42:49,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:42:49,708 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:42:49,708 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:42:49,709 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:42:49,709 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:42:49,709 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:42:49,710 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:42:49,710 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:42:49,710 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:42:49,710 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:42:49,711 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:42:49,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:42:49,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:42:49,712 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:42:49,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:42:49,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:42:49,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:42:49,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:42:49,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:42:49,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:42:49,713 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:42:49,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:42:49,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:42:49,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:42:49,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:42:49,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:42:49,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:42:49,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:42:49,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:42:49,715 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:42:49,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:42:49,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:42:49,716 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:42:49,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:42:49,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:42:49,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:42:49,717 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_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 [2022-11-03 03:42:49,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:42:50,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:42:50,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:42:50,024 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:42:50,025 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:42:50,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2022-11-03 03:42:50,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/data/5d425ba0e/ebc2bc54a54b4e60a8c52c3fe124bca7/FLAG4242838da [2022-11-03 03:42:50,660 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:42:50,660 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2022-11-03 03:42:50,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/data/5d425ba0e/ebc2bc54a54b4e60a8c52c3fe124bca7/FLAG4242838da [2022-11-03 03:42:51,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/data/5d425ba0e/ebc2bc54a54b4e60a8c52c3fe124bca7 [2022-11-03 03:42:51,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:42:51,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:42:51,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:42:51,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:42:51,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:42:51,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d6a0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51, skipping insertion in model container [2022-11-03 03:42:51,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:42:51,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:42:51,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:42:51,715 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:42:51,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:42:51,842 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:42:51,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51 WrapperNode [2022-11-03 03:42:51,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:42:51,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:42:51,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:42:51,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:42:51,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,919 INFO L138 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2022-11-03 03:42:51,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:42:51,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:42:51,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:42:51,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:42:51,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:51,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:42:51,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:42:51,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:42:51,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:42:52,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (1/1) ... [2022-11-03 03:42:52,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:42:52,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:52,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:42:52,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:42:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:42:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:42:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:42:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:42:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 03:42:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:42:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 03:42:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 03:42:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:42:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:42:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:42:52,074 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:42:52,197 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:42:52,199 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:42:52,465 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:42:52,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:42:52,481 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:42:52,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:52 BoogieIcfgContainer [2022-11-03 03:42:52,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:42:52,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:42:52,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:42:52,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:42:52,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:42:51" (1/3) ... [2022-11-03 03:42:52,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698673cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:42:52, skipping insertion in model container [2022-11-03 03:42:52,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:51" (2/3) ... [2022-11-03 03:42:52,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698673cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:42:52, skipping insertion in model container [2022-11-03 03:42:52,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:52" (3/3) ... [2022-11-03 03:42:52,501 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2022-11-03 03:42:52,509 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:42:52,519 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:42:52,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-03 03:42:52,520 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 03:42:52,644 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-03 03:42:52,697 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:42:52,711 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 117 transitions, 242 flow [2022-11-03 03:42:52,714 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 117 transitions, 242 flow [2022-11-03 03:42:52,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 117 transitions, 242 flow [2022-11-03 03:42:52,768 INFO L130 PetriNetUnfolder]: 0/116 cut-off events. [2022-11-03 03:42:52,768 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-03 03:42:52,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 0/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-03 03:42:52,773 INFO L118 LiptonReduction]: Number of co-enabled transitions 2304 [2022-11-03 03:42:56,570 INFO L133 LiptonReduction]: Checked pairs total: 32140 [2022-11-03 03:42:56,570 INFO L135 LiptonReduction]: Total number of compositions: 104 [2022-11-03 03:42:56,588 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 51 transitions, 110 flow [2022-11-03 03:42:56,645 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 542 states, 511 states have (on average 2.0234833659491196) internal successors, (1034), 541 states have internal predecessors, (1034), 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) [2022-11-03 03:42:56,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:42:56,686 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;@6203aa9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:42:56,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-03 03:42:56,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 542 states, 511 states have (on average 2.0234833659491196) internal successors, (1034), 541 states have internal predecessors, (1034), 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) [2022-11-03 03:42:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-03 03:42:56,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:56,699 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-03 03:42:56,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:42:56,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:56,710 INFO L85 PathProgramCache]: Analyzing trace with hash 385, now seen corresponding path program 1 times [2022-11-03 03:42:56,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:56,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258300287] [2022-11-03 03:42:56,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:56,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:42:56,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:56,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258300287] [2022-11-03 03:42:56,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258300287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:56,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:56,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-03 03:42:56,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194251071] [2022-11-03 03:42:56,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:56,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:42:56,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:56,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:42:56,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:42:56,897 INFO L87 Difference]: Start difference. First operand has 542 states, 511 states have (on average 2.0234833659491196) internal successors, (1034), 541 states have internal predecessors, (1034), 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) [2022-11-03 03:42:56,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:56,962 INFO L93 Difference]: Finished difference Result 451 states and 857 transitions. [2022-11-03 03:42:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:42:56,978 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 [2022-11-03 03:42:56,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:56,990 INFO L225 Difference]: With dead ends: 451 [2022-11-03 03:42:56,990 INFO L226 Difference]: Without dead ends: 450 [2022-11-03 03:42:56,991 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 [2022-11-03 03:42:56,994 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:56,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:42:57,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-11-03 03:42:57,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2022-11-03 03:42:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 439 states have (on average 1.9476082004555808) internal successors, (855), 449 states have internal predecessors, (855), 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) [2022-11-03 03:42:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 855 transitions. [2022-11-03 03:42:57,064 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 855 transitions. Word has length 1 [2022-11-03 03:42:57,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:57,065 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 855 transitions. [2022-11-03 03:42:57,065 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) [2022-11-03 03:42:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 855 transitions. [2022-11-03 03:42:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:42:57,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:57,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:57,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:42:57,067 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:42:57,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:57,068 INFO L85 PathProgramCache]: Analyzing trace with hash 670643198, now seen corresponding path program 1 times [2022-11-03 03:42:57,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:57,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529835421] [2022-11-03 03:42:57,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:57,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:42:57,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:57,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529835421] [2022-11-03 03:42:57,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529835421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:57,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:57,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:42:57,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369979048] [2022-11-03 03:42:57,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:57,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:42:57,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:57,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:42:57,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:42:57,663 INFO L87 Difference]: Start difference. First operand 450 states and 855 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) [2022-11-03 03:42:57,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:57,974 INFO L93 Difference]: Finished difference Result 481 states and 911 transitions. [2022-11-03 03:42:57,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:42:57,975 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 [2022-11-03 03:42:57,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:57,981 INFO L225 Difference]: With dead ends: 481 [2022-11-03 03:42:57,981 INFO L226 Difference]: Without dead ends: 481 [2022-11-03 03:42:57,982 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 [2022-11-03 03:42:57,983 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 40 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:57,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 38 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:42:57,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-03 03:42:58,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 467. [2022-11-03 03:42:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 457 states have (on average 1.9365426695842451) internal successors, (885), 466 states have internal predecessors, (885), 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) [2022-11-03 03:42:58,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 885 transitions. [2022-11-03 03:42:58,023 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 885 transitions. Word has length 10 [2022-11-03 03:42:58,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:58,023 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 885 transitions. [2022-11-03 03:42:58,024 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) [2022-11-03 03:42:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 885 transitions. [2022-11-03 03:42:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:42:58,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:58,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:58,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:42:58,027 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:42:58,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:58,028 INFO L85 PathProgramCache]: Analyzing trace with hash -368416997, now seen corresponding path program 1 times [2022-11-03 03:42:58,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:58,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418907950] [2022-11-03 03:42:58,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:58,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:42:58,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:58,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418907950] [2022-11-03 03:42:58,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418907950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:58,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:58,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:42:58,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256630832] [2022-11-03 03:42:58,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:58,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:42:58,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:58,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:42:58,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:42:58,347 INFO L87 Difference]: Start difference. First operand 467 states and 885 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) [2022-11-03 03:42:58,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:58,644 INFO L93 Difference]: Finished difference Result 541 states and 1027 transitions. [2022-11-03 03:42:58,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:42:58,645 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 [2022-11-03 03:42:58,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:58,647 INFO L225 Difference]: With dead ends: 541 [2022-11-03 03:42:58,647 INFO L226 Difference]: Without dead ends: 541 [2022-11-03 03:42:58,648 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 [2022-11-03 03:42:58,649 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 50 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:58,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 53 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:42:58,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-11-03 03:42:58,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 513. [2022-11-03 03:42:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 503 states have (on average 1.934393638170974) internal successors, (973), 512 states have internal predecessors, (973), 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) [2022-11-03 03:42:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 973 transitions. [2022-11-03 03:42:58,666 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 973 transitions. Word has length 10 [2022-11-03 03:42:58,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:58,666 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 973 transitions. [2022-11-03 03:42:58,666 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) [2022-11-03 03:42:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 973 transitions. [2022-11-03 03:42:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 03:42:58,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:58,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:58,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:42:58,668 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:42:58,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:58,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1723270549, now seen corresponding path program 1 times [2022-11-03 03:42:58,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:58,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104410601] [2022-11-03 03:42:58,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:58,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:42:58,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:58,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104410601] [2022-11-03 03:42:58,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104410601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:58,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:58,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:42:58,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308390543] [2022-11-03 03:42:58,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:58,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:42:58,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:58,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:42:58,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:42:58,972 INFO L87 Difference]: Start difference. First operand 513 states and 973 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) [2022-11-03 03:42:59,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:59,224 INFO L93 Difference]: Finished difference Result 564 states and 1071 transitions. [2022-11-03 03:42:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:42:59,225 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 [2022-11-03 03:42:59,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:59,229 INFO L225 Difference]: With dead ends: 564 [2022-11-03 03:42:59,229 INFO L226 Difference]: Without dead ends: 564 [2022-11-03 03:42:59,229 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 [2022-11-03 03:42:59,230 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 36 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:59,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 38 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:42:59,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-11-03 03:42:59,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 564. [2022-11-03 03:42:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 554 states have (on average 1.9332129963898916) internal successors, (1071), 563 states have internal predecessors, (1071), 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) [2022-11-03 03:42:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 1071 transitions. [2022-11-03 03:42:59,247 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 1071 transitions. Word has length 16 [2022-11-03 03:42:59,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:59,248 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 1071 transitions. [2022-11-03 03:42:59,248 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) [2022-11-03 03:42:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1071 transitions. [2022-11-03 03:42:59,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 03:42:59,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:59,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:59,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:42:59,250 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:42:59,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:59,250 INFO L85 PathProgramCache]: Analyzing trace with hash 325543649, now seen corresponding path program 1 times [2022-11-03 03:42:59,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:59,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242149941] [2022-11-03 03:42:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:59,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:42:59,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:59,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242149941] [2022-11-03 03:42:59,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242149941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:59,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:59,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:42:59,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569161144] [2022-11-03 03:42:59,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:59,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:42:59,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:59,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:42:59,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:42:59,490 INFO L87 Difference]: Start difference. First operand 564 states and 1071 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) [2022-11-03 03:42:59,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:59,840 INFO L93 Difference]: Finished difference Result 642 states and 1222 transitions. [2022-11-03 03:42:59,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:42:59,841 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 [2022-11-03 03:42:59,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:59,844 INFO L225 Difference]: With dead ends: 642 [2022-11-03 03:42:59,844 INFO L226 Difference]: Without dead ends: 628 [2022-11-03 03:42:59,844 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 [2022-11-03 03:42:59,845 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 48 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:59,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 60 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:42:59,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2022-11-03 03:42:59,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2022-11-03 03:42:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 618 states have (on average 1.9320388349514563) internal successors, (1194), 627 states have internal predecessors, (1194), 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) [2022-11-03 03:42:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 1194 transitions. [2022-11-03 03:42:59,864 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 1194 transitions. Word has length 16 [2022-11-03 03:42:59,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:59,864 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 1194 transitions. [2022-11-03 03:42:59,865 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) [2022-11-03 03:42:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1194 transitions. [2022-11-03 03:42:59,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 03:42:59,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:59,866 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] [2022-11-03 03:42:59,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:42:59,867 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:42:59,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:59,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2094642538, now seen corresponding path program 1 times [2022-11-03 03:42:59,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:59,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279732622] [2022-11-03 03:42:59,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:59,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:42:59,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:59,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279732622] [2022-11-03 03:42:59,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279732622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:59,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:59,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:42:59,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993898862] [2022-11-03 03:42:59,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:59,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:42:59,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:59,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:42:59,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:42:59,936 INFO L87 Difference]: Start difference. First operand 628 states and 1194 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) 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) [2022-11-03 03:42:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:59,959 INFO L93 Difference]: Finished difference Result 215 states and 358 transitions. [2022-11-03 03:42:59,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:42:59,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) 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 [2022-11-03 03:42:59,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:59,960 INFO L225 Difference]: With dead ends: 215 [2022-11-03 03:42:59,961 INFO L226 Difference]: Without dead ends: 215 [2022-11-03 03:42:59,961 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 [2022-11-03 03:42:59,962 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 28 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:59,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 40 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:42:59,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-11-03 03:42:59,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2022-11-03 03:42:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 212 states have (on average 1.6886792452830188) internal successors, (358), 214 states have internal predecessors, (358), 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) [2022-11-03 03:42:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 358 transitions. [2022-11-03 03:42:59,969 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 358 transitions. Word has length 20 [2022-11-03 03:42:59,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:59,969 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 358 transitions. [2022-11-03 03:42:59,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) 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) [2022-11-03 03:42:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 358 transitions. [2022-11-03 03:42:59,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-03 03:42:59,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:59,971 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, 1, 1, 1] [2022-11-03 03:42:59,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:42:59,971 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:42:59,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:59,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1378916372, now seen corresponding path program 1 times [2022-11-03 03:42:59,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:59,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110578727] [2022-11-03 03:42:59,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:59,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:43:00,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:00,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110578727] [2022-11-03 03:43:00,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110578727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:00,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:00,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:43:00,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401069210] [2022-11-03 03:43:00,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:00,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:43:00,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:00,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:43:00,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:43:00,220 INFO L87 Difference]: Start difference. First operand 215 states and 358 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2022-11-03 03:43:00,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:00,438 INFO L93 Difference]: Finished difference Result 236 states and 389 transitions. [2022-11-03 03:43:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:43:00,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2022-11-03 03:43:00,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:00,439 INFO L225 Difference]: With dead ends: 236 [2022-11-03 03:43:00,440 INFO L226 Difference]: Without dead ends: 183 [2022-11-03 03:43:00,440 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 [2022-11-03 03:43:00,441 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 32 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:00,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 39 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:43:00,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-03 03:43:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 179. [2022-11-03 03:43:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 176 states have (on average 1.75) internal successors, (308), 178 states have internal predecessors, (308), 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) [2022-11-03 03:43:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 308 transitions. [2022-11-03 03:43:00,446 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 308 transitions. Word has length 23 [2022-11-03 03:43:00,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:00,446 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 308 transitions. [2022-11-03 03:43:00,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2022-11-03 03:43:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 308 transitions. [2022-11-03 03:43:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 03:43:00,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:00,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:00,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:43:00,452 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:43:00,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:00,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1065369074, now seen corresponding path program 1 times [2022-11-03 03:43:00,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:00,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618850744] [2022-11-03 03:43:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:43:00,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:00,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618850744] [2022-11-03 03:43:00,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618850744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:00,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:00,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:43:00,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232555970] [2022-11-03 03:43:00,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:00,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 03:43:00,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:00,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 03:43:00,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:43:00,946 INFO L87 Difference]: Start difference. First operand 179 states and 308 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2022-11-03 03:43:01,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:01,374 INFO L93 Difference]: Finished difference Result 254 states and 439 transitions. [2022-11-03 03:43:01,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:43:01,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 33 [2022-11-03 03:43:01,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:01,376 INFO L225 Difference]: With dead ends: 254 [2022-11-03 03:43:01,376 INFO L226 Difference]: Without dead ends: 233 [2022-11-03 03:43:01,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:43:01,377 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 98 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:01,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 0 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:43:01,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-11-03 03:43:01,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 214. [2022-11-03 03:43:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 211 states have (on average 1.7345971563981042) internal successors, (366), 213 states have internal predecessors, (366), 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) [2022-11-03 03:43:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 366 transitions. [2022-11-03 03:43:01,385 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 366 transitions. Word has length 33 [2022-11-03 03:43:01,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:01,385 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 366 transitions. [2022-11-03 03:43:01,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2022-11-03 03:43:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 366 transitions. [2022-11-03 03:43:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 03:43:01,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:01,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:01,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 03:43:01,387 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:43:01,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:01,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1191500741, now seen corresponding path program 1 times [2022-11-03 03:43:01,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:01,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540450380] [2022-11-03 03:43:01,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:43:01,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:01,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540450380] [2022-11-03 03:43:01,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540450380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:01,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:01,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:43:01,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444871050] [2022-11-03 03:43:01,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:01,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 03:43:01,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:01,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 03:43:01,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:43:01,777 INFO L87 Difference]: Start difference. First operand 214 states and 366 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2022-11-03 03:43:02,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:02,139 INFO L93 Difference]: Finished difference Result 205 states and 349 transitions. [2022-11-03 03:43:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:43:02,139 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 33 [2022-11-03 03:43:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:02,140 INFO L225 Difference]: With dead ends: 205 [2022-11-03 03:43:02,140 INFO L226 Difference]: Without dead ends: 105 [2022-11-03 03:43:02,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:43:02,141 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 53 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:02,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 0 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:43:02,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-03 03:43:02,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 89. [2022-11-03 03:43:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.5681818181818181) internal successors, (138), 88 states have internal predecessors, (138), 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) [2022-11-03 03:43:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 138 transitions. [2022-11-03 03:43:02,144 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 138 transitions. Word has length 33 [2022-11-03 03:43:02,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:02,145 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 138 transitions. [2022-11-03 03:43:02,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2022-11-03 03:43:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 138 transitions. [2022-11-03 03:43:02,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 03:43:02,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:02,146 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:02,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 03:43:02,146 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-03 03:43:02,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:02,147 INFO L85 PathProgramCache]: Analyzing trace with hash -573278938, now seen corresponding path program 2 times [2022-11-03 03:43:02,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:02,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789128321] [2022-11-03 03:43:02,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:02,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:43:02,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:02,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789128321] [2022-11-03 03:43:02,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789128321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:02,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:02,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:43:02,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437810965] [2022-11-03 03:43:02,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:02,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 03:43:02,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:02,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 03:43:02,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:43:02,648 INFO L87 Difference]: Start difference. First operand 89 states and 138 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2022-11-03 03:43:02,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:02,942 INFO L93 Difference]: Finished difference Result 83 states and 127 transitions. [2022-11-03 03:43:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 03:43:02,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 33 [2022-11-03 03:43:02,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:02,943 INFO L225 Difference]: With dead ends: 83 [2022-11-03 03:43:02,943 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:43:02,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:43:02,944 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 37 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:02,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 0 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:43:02,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:43:02,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:43:02,945 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) [2022-11-03 03:43:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:43:02,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-11-03 03:43:02,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:02,946 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:43:02,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2022-11-03 03:43:02,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:43:02,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:43:02,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2022-11-03 03:43:02,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2022-11-03 03:43:02,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2022-11-03 03:43:02,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2022-11-03 03:43:02,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2022-11-03 03:43:02,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2022-11-03 03:43:02,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-03 03:43:02,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2022-11-03 03:43:02,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2022-11-03 03:43:02,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2022-11-03 03:43:02,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2022-11-03 03:43:02,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2022-11-03 03:43:02,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2022-11-03 03:43:02,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2022-11-03 03:43:02,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2022-11-03 03:43:02,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:43:02,957 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:02,962 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 03:43:02,963 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:43:02,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:43:02 BasicIcfg [2022-11-03 03:43:02,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:43:02,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:43:02,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:43:02,969 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:43:02,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:52" (3/4) ... [2022-11-03 03:43:02,973 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:43:02,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-03 03:43:02,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-03 03:43:02,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 03:43:02,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:43:03,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:43:03,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:43:03,027 INFO L158 Benchmark]: Toolchain (without parser) took 11939.91ms. Allocated memory was 115.3MB in the beginning and 201.3MB in the end (delta: 86.0MB). Free memory was 72.8MB in the beginning and 76.0MB in the end (delta: -3.2MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2022-11-03 03:43:03,027 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:43:03,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.49ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 73.1MB in the end (delta: -505.7kB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-03 03:43:03,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.16ms. Allocated memory is still 115.3MB. Free memory was 73.1MB in the beginning and 70.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:43:03,028 INFO L158 Benchmark]: Boogie Preprocessor took 66.94ms. Allocated memory is still 115.3MB. Free memory was 70.7MB in the beginning and 68.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:43:03,028 INFO L158 Benchmark]: RCFGBuilder took 500.03ms. Allocated memory is still 115.3MB. Free memory was 68.7MB in the beginning and 91.1MB in the end (delta: -22.5MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-03 03:43:03,029 INFO L158 Benchmark]: TraceAbstraction took 10477.10ms. Allocated memory was 115.3MB in the beginning and 201.3MB in the end (delta: 86.0MB). Free memory was 90.3MB in the beginning and 78.1MB in the end (delta: 12.2MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. [2022-11-03 03:43:03,029 INFO L158 Benchmark]: Witness Printer took 58.11ms. Allocated memory is still 201.3MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:43:03,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.49ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 73.1MB in the end (delta: -505.7kB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.16ms. Allocated memory is still 115.3MB. Free memory was 73.1MB in the beginning and 70.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.94ms. Allocated memory is still 115.3MB. Free memory was 70.7MB in the beginning and 68.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.03ms. Allocated memory is still 115.3MB. Free memory was 68.7MB in the beginning and 91.1MB in the end (delta: -22.5MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10477.10ms. Allocated memory was 115.3MB in the beginning and 201.3MB in the end (delta: 86.0MB). Free memory was 90.3MB in the beginning and 78.1MB in the end (delta: 12.2MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. * Witness Printer took 58.11ms. Allocated memory is still 201.3MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 121 PlacesBefore, 55 PlacesAfterwards, 117 TransitionsBefore, 51 TransitionsAfterwards, 2304 CoEnabledTransitionPairs, 16 FixpointIterations, 47 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 104 TotalNumberOfCompositions, 32140 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8705, positive: 7362, positive conditional: 0, positive unconditional: 7362, negative: 1343, negative conditional: 0, negative unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1933, positive: 1837, positive conditional: 0, positive unconditional: 1837, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1933, positive: 1351, positive conditional: 0, positive unconditional: 1351, negative: 582, negative conditional: 0, negative unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 582, positive: 486, positive conditional: 0, positive unconditional: 486, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 678, positive: 422, positive conditional: 0, positive unconditional: 422, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8705, positive: 5525, positive conditional: 0, positive unconditional: 5525, negative: 1247, negative conditional: 0, negative unconditional: 1247, unknown: 1933, unknown conditional: 0, unknown unconditional: 1933] , Statistics on independence cache: Total cache size (in pairs): 426, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69 - 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: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: 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, 15 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 422 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 422 mSDsluCounter, 299 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 298 mSDsCounter, 229 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2365 IncrementalHoareTripleChecker+Invalid, 2594 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 229 mSolverCounterUnsat, 232 mSDtfsCounter, 2365 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=5, InterpolantAutomatonStates: 62, 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, 10 MinimizatonAttempts, 81 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 1668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 03:43:03,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5038a03-88b0-4742-85c3-020cf657636c/bin/utaipan-7li7fVZpFI/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