./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS --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 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf --- 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-8393723 [2022-11-19 06:41:26,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:41:26,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:41:26,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:41:26,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:41:26,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:41:26,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:41:26,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:41:26,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:41:26,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:41:26,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:41:26,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:41:26,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:41:26,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:41:26,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:41:26,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:41:26,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:41:26,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:41:26,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:41:26,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:41:26,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:41:26,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:41:26,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:41:26,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:41:26,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:41:26,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:41:26,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:41:26,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:41:26,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:41:26,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:41:26,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:41:26,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:41:26,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:41:26,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:41:26,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:41:26,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:41:26,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:41:26,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:41:26,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:41:26,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:41:26,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:41:26,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:41:26,203 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:41:26,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:41:26,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:41:26,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:41:26,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:41:26,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:41:26,205 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:41:26,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:41:26,205 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:41:26,205 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:41:26,206 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:41:26,207 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:41:26,207 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:41:26,207 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:41:26,207 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:41:26,207 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:41:26,208 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:41:26,208 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:41:26,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:41:26,209 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:41:26,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:41:26,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:41:26,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:41:26,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:41:26,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:41:26,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:41:26,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:41:26,211 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:41:26,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:41:26,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:41:26,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:41:26,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:41:26,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:41:26,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:41:26,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:41:26,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:41:26,214 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:41:26,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:41:26,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:41:26,214 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:41:26,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:41:26,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:41:26,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:41:26,215 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_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf [2022-11-19 06:41:26,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:41:26,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:41:26,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:41:26,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:41:26,506 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:41:26,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2022-11-19 06:41:26,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/data/85a380607/411ae99e6dfe40b0b16c0add8ab535f9/FLAGd1ba8f3c9 [2022-11-19 06:41:27,044 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:41:27,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2022-11-19 06:41:27,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/data/85a380607/411ae99e6dfe40b0b16c0add8ab535f9/FLAGd1ba8f3c9 [2022-11-19 06:41:27,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/data/85a380607/411ae99e6dfe40b0b16c0add8ab535f9 [2022-11-19 06:41:27,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:41:27,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:41:27,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:41:27,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:41:27,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:41:27,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e799590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27, skipping insertion in model container [2022-11-19 06:41:27,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:41:27,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:41:27,612 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2022-11-19 06:41:27,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:41:27,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:41:27,691 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2022-11-19 06:41:27,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:41:27,732 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:41:27,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27 WrapperNode [2022-11-19 06:41:27,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:41:27,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:41:27,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:41:27,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:41:27,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,793 INFO L138 Inliner]: procedures = 170, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-11-19 06:41:27,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:41:27,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:41:27,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:41:27,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:41:27,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,822 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:41:27,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:41:27,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:41:27,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:41:27,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (1/1) ... [2022-11-19 06:41:27,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:41:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:27,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:41:27,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:41:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:41:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:41:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 06:41:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:41:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:41:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 06:41:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 06:41:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:41:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:41:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:41:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:41:27,921 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 06:41:28,041 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:41:28,043 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:41:28,429 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:41:28,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:41:28,444 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-19 06:41:28,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:28 BoogieIcfgContainer [2022-11-19 06:41:28,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:41:28,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:41:28,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:41:28,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:41:28,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:41:27" (1/3) ... [2022-11-19 06:41:28,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c35b6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:41:28, skipping insertion in model container [2022-11-19 06:41:28,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:41:27" (2/3) ... [2022-11-19 06:41:28,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c35b6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:41:28, skipping insertion in model container [2022-11-19 06:41:28,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:28" (3/3) ... [2022-11-19 06:41:28,457 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2022-11-19 06:41:28,466 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:41:28,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:41:28,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 06:41:28,489 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:41:28,597 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-19 06:41:28,631 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:41:28,645 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 147 transitions, 302 flow [2022-11-19 06:41:28,648 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 147 transitions, 302 flow [2022-11-19 06:41:28,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 147 transitions, 302 flow [2022-11-19 06:41:28,745 INFO L130 PetriNetUnfolder]: 9/146 cut-off events. [2022-11-19 06:41:28,745 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-19 06:41:28,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 146 events. 9/146 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 290 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 96. Up to 3 conditions per place. [2022-11-19 06:41:28,754 INFO L119 LiptonReduction]: Number of co-enabled transitions 4270 [2022-11-19 06:41:34,773 INFO L134 LiptonReduction]: Checked pairs total: 34347 [2022-11-19 06:41:34,773 INFO L136 LiptonReduction]: Total number of compositions: 131 [2022-11-19 06:41:34,791 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 62 transitions, 132 flow [2022-11-19 06:41:34,867 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 609 states, 595 states have (on average 2.2554621848739496) internal successors, (1342), 608 states have internal predecessors, (1342), 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) [2022-11-19 06:41:34,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:41:34,900 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;@36743d4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:41:34,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-11-19 06:41:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 609 states, 595 states have (on average 2.2554621848739496) internal successors, (1342), 608 states have internal predecessors, (1342), 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) [2022-11-19 06:41:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 06:41:34,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:34,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 06:41:34,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:34,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:34,920 INFO L85 PathProgramCache]: Analyzing trace with hash 505253846, now seen corresponding path program 1 times [2022-11-19 06:41:34,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:34,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718712171] [2022-11-19 06:41:34,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:34,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:35,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:35,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718712171] [2022-11-19 06:41:35,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718712171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:35,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:35,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:41:35,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740304759] [2022-11-19 06:41:35,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:35,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:41:35,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:35,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:41:35,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:41:35,231 INFO L87 Difference]: Start difference. First operand has 609 states, 595 states have (on average 2.2554621848739496) internal successors, (1342), 608 states have internal predecessors, (1342), 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, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-19 06:41:35,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:35,340 INFO L93 Difference]: Finished difference Result 609 states and 1165 transitions. [2022-11-19 06:41:35,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:41:35,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-11-19 06:41:35,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:35,360 INFO L225 Difference]: With dead ends: 609 [2022-11-19 06:41:35,360 INFO L226 Difference]: Without dead ends: 607 [2022-11-19 06:41:35,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:41:35,364 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:35,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:41:35,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2022-11-19 06:41:35,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2022-11-19 06:41:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 593 states have (on average 1.957841483979764) internal successors, (1161), 606 states have internal predecessors, (1161), 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) [2022-11-19 06:41:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1161 transitions. [2022-11-19 06:41:35,427 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1161 transitions. Word has length 5 [2022-11-19 06:41:35,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:35,428 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 1161 transitions. [2022-11-19 06:41:35,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-19 06:41:35,428 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1161 transitions. [2022-11-19 06:41:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 06:41:35,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:35,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:35,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:41:35,430 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:35,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:35,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1454628906, now seen corresponding path program 1 times [2022-11-19 06:41:35,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:35,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089569210] [2022-11-19 06:41:35,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:35,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:35,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:35,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089569210] [2022-11-19 06:41:35,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089569210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:35,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:35,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:41:35,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671166866] [2022-11-19 06:41:35,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:35,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:41:35,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:35,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:41:35,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:41:35,808 INFO L87 Difference]: Start difference. First operand 607 states and 1161 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-11-19 06:41:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:36,087 INFO L93 Difference]: Finished difference Result 569 states and 1087 transitions. [2022-11-19 06:41:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:41:36,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2022-11-19 06:41:36,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:36,092 INFO L225 Difference]: With dead ends: 569 [2022-11-19 06:41:36,092 INFO L226 Difference]: Without dead ends: 569 [2022-11-19 06:41:36,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:41:36,096 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 34 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:36,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 38 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:41:36,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2022-11-19 06:41:36,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2022-11-19 06:41:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 561 states have (on average 1.9376114081996434) internal successors, (1087), 568 states have internal predecessors, (1087), 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) [2022-11-19 06:41:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 1087 transitions. [2022-11-19 06:41:36,128 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 1087 transitions. Word has length 9 [2022-11-19 06:41:36,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:36,128 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 1087 transitions. [2022-11-19 06:41:36,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-11-19 06:41:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1087 transitions. [2022-11-19 06:41:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 06:41:36,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:36,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:36,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:41:36,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:36,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:36,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2145812842, now seen corresponding path program 1 times [2022-11-19 06:41:36,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:36,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068448132] [2022-11-19 06:41:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:36,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:36,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:36,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:36,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068448132] [2022-11-19 06:41:36,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068448132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:36,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:36,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:41:36,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418974279] [2022-11-19 06:41:36,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:36,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:41:36,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:36,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:41:36,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:41:36,526 INFO L87 Difference]: Start difference. First operand 569 states and 1087 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) [2022-11-19 06:41:36,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:36,961 INFO L93 Difference]: Finished difference Result 851 states and 1616 transitions. [2022-11-19 06:41:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:41:36,962 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 [2022-11-19 06:41:36,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:36,965 INFO L225 Difference]: With dead ends: 851 [2022-11-19 06:41:36,965 INFO L226 Difference]: Without dead ends: 851 [2022-11-19 06:41:36,966 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 [2022-11-19 06:41:36,967 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 64 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:36,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 31 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:41:36,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2022-11-19 06:41:36,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 644. [2022-11-19 06:41:36,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 636 states have (on average 1.9386792452830188) internal successors, (1233), 643 states have internal predecessors, (1233), 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) [2022-11-19 06:41:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1233 transitions. [2022-11-19 06:41:36,987 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1233 transitions. Word has length 10 [2022-11-19 06:41:36,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:36,987 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 1233 transitions. [2022-11-19 06:41:36,987 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) [2022-11-19 06:41:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1233 transitions. [2022-11-19 06:41:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:41:36,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:36,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:36,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:41:36,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:36,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:36,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1227186154, now seen corresponding path program 1 times [2022-11-19 06:41:36,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:36,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522911912] [2022-11-19 06:41:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:36,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:37,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:37,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522911912] [2022-11-19 06:41:37,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522911912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:37,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:37,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:41:37,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989715315] [2022-11-19 06:41:37,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:37,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:41:37,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:37,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:41:37,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:41:37,321 INFO L87 Difference]: Start difference. First operand 644 states and 1233 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-11-19 06:41:37,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:37,676 INFO L93 Difference]: Finished difference Result 699 states and 1339 transitions. [2022-11-19 06:41:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:41:37,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2022-11-19 06:41:37,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:37,680 INFO L225 Difference]: With dead ends: 699 [2022-11-19 06:41:37,681 INFO L226 Difference]: Without dead ends: 699 [2022-11-19 06:41:37,681 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 [2022-11-19 06:41:37,683 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 40 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:37,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 53 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:41:37,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-11-19 06:41:37,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2022-11-19 06:41:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 691 states have (on average 1.9377713458755428) internal successors, (1339), 698 states have internal predecessors, (1339), 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) [2022-11-19 06:41:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1339 transitions. [2022-11-19 06:41:37,702 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1339 transitions. Word has length 15 [2022-11-19 06:41:37,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:37,703 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 1339 transitions. [2022-11-19 06:41:37,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-11-19 06:41:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1339 transitions. [2022-11-19 06:41:37,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 06:41:37,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:37,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:37,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:41:37,710 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:37,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:37,711 INFO L85 PathProgramCache]: Analyzing trace with hash 2006937749, now seen corresponding path program 1 times [2022-11-19 06:41:37,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:37,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541265282] [2022-11-19 06:41:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:37,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:38,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:38,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541265282] [2022-11-19 06:41:38,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541265282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:38,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:38,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:41:38,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250062450] [2022-11-19 06:41:38,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:38,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:41:38,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:38,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:41:38,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:41:38,063 INFO L87 Difference]: Start difference. First operand 699 states and 1339 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-19 06:41:38,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:38,462 INFO L93 Difference]: Finished difference Result 794 states and 1500 transitions. [2022-11-19 06:41:38,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:41:38,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2022-11-19 06:41:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:38,465 INFO L225 Difference]: With dead ends: 794 [2022-11-19 06:41:38,466 INFO L226 Difference]: Without dead ends: 746 [2022-11-19 06:41:38,466 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 [2022-11-19 06:41:38,466 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 55 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:38,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 35 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:41:38,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-11-19 06:41:38,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 725. [2022-11-19 06:41:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 717 states have (on average 1.9302649930264992) internal successors, (1384), 724 states have internal predecessors, (1384), 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) [2022-11-19 06:41:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1384 transitions. [2022-11-19 06:41:38,485 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1384 transitions. Word has length 18 [2022-11-19 06:41:38,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:38,486 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 1384 transitions. [2022-11-19 06:41:38,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-19 06:41:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1384 transitions. [2022-11-19 06:41:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:41:38,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:38,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:38,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:41:38,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:38,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:38,488 INFO L85 PathProgramCache]: Analyzing trace with hash -961017500, now seen corresponding path program 1 times [2022-11-19 06:41:38,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:38,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814671226] [2022-11-19 06:41:38,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:38,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:38,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:38,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814671226] [2022-11-19 06:41:38,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814671226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:38,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:38,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:41:38,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011693849] [2022-11-19 06:41:38,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:38,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:41:38,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:38,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:41:38,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:41:38,635 INFO L87 Difference]: Start difference. First operand 725 states and 1384 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-11-19 06:41:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:38,684 INFO L93 Difference]: Finished difference Result 423 states and 759 transitions. [2022-11-19 06:41:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:41:38,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2022-11-19 06:41:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:38,687 INFO L225 Difference]: With dead ends: 423 [2022-11-19 06:41:38,687 INFO L226 Difference]: Without dead ends: 423 [2022-11-19 06:41:38,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:41:38,688 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 112 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:38,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 42 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:41:38,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-11-19 06:41:38,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2022-11-19 06:41:38,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 417 states have (on average 1.8201438848920863) internal successors, (759), 422 states have internal predecessors, (759), 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) [2022-11-19 06:41:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 759 transitions. [2022-11-19 06:41:38,699 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 759 transitions. Word has length 19 [2022-11-19 06:41:38,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:38,699 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 759 transitions. [2022-11-19 06:41:38,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-11-19 06:41:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 759 transitions. [2022-11-19 06:41:38,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:41:38,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:38,701 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] [2022-11-19 06:41:38,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:41:38,701 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:38,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:38,702 INFO L85 PathProgramCache]: Analyzing trace with hash 846947784, now seen corresponding path program 1 times [2022-11-19 06:41:38,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:38,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523558665] [2022-11-19 06:41:38,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:38,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:39,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:39,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523558665] [2022-11-19 06:41:39,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523558665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:39,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:39,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:41:39,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327210294] [2022-11-19 06:41:39,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:39,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:41:39,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:39,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:41:39,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:41:39,126 INFO L87 Difference]: Start difference. First operand 423 states and 759 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-11-19 06:41:39,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:39,312 INFO L93 Difference]: Finished difference Result 445 states and 798 transitions. [2022-11-19 06:41:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:41:39,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 27 [2022-11-19 06:41:39,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:39,315 INFO L225 Difference]: With dead ends: 445 [2022-11-19 06:41:39,315 INFO L226 Difference]: Without dead ends: 400 [2022-11-19 06:41:39,315 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 [2022-11-19 06:41:39,316 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 23 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:39,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 37 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:41:39,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-11-19 06:41:39,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 396. [2022-11-19 06:41:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 391 states have (on average 1.7979539641943734) internal successors, (703), 395 states have internal predecessors, (703), 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) [2022-11-19 06:41:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 703 transitions. [2022-11-19 06:41:39,325 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 703 transitions. Word has length 27 [2022-11-19 06:41:39,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:39,326 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 703 transitions. [2022-11-19 06:41:39,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-11-19 06:41:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 703 transitions. [2022-11-19 06:41:39,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:41:39,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:39,327 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] [2022-11-19 06:41:39,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:41:39,327 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:39,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:39,328 INFO L85 PathProgramCache]: Analyzing trace with hash -363208101, now seen corresponding path program 1 times [2022-11-19 06:41:39,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:39,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034364729] [2022-11-19 06:41:39,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:39,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:39,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:39,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034364729] [2022-11-19 06:41:39,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034364729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:39,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:39,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:41:39,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395713374] [2022-11-19 06:41:39,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:39,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:41:39,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:39,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:41:39,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:41:39,768 INFO L87 Difference]: Start difference. First operand 396 states and 703 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2022-11-19 06:41:40,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:40,365 INFO L93 Difference]: Finished difference Result 367 states and 646 transitions. [2022-11-19 06:41:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 06:41:40,366 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 27 [2022-11-19 06:41:40,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:40,367 INFO L225 Difference]: With dead ends: 367 [2022-11-19 06:41:40,368 INFO L226 Difference]: Without dead ends: 322 [2022-11-19 06:41:40,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-11-19 06:41:40,369 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 176 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:40,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 15 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:41:40,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-11-19 06:41:40,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 260. [2022-11-19 06:41:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 258 states have (on average 1.748062015503876) internal successors, (451), 259 states have internal predecessors, (451), 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) [2022-11-19 06:41:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 451 transitions. [2022-11-19 06:41:40,377 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 451 transitions. Word has length 27 [2022-11-19 06:41:40,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:40,378 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 451 transitions. [2022-11-19 06:41:40,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2022-11-19 06:41:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 451 transitions. [2022-11-19 06:41:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:41:40,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:40,379 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] [2022-11-19 06:41:40,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 06:41:40,379 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:40,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1340097544, now seen corresponding path program 1 times [2022-11-19 06:41:40,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:40,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195542508] [2022-11-19 06:41:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:40,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:40,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:40,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195542508] [2022-11-19 06:41:40,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195542508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:40,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:40,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:41:40,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274854695] [2022-11-19 06:41:40,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:40,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:41:40,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:40,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:41:40,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:41:40,775 INFO L87 Difference]: Start difference. First operand 260 states and 451 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2022-11-19 06:41:41,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:41,074 INFO L93 Difference]: Finished difference Result 255 states and 442 transitions. [2022-11-19 06:41:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:41:41,077 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 27 [2022-11-19 06:41:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:41,078 INFO L225 Difference]: With dead ends: 255 [2022-11-19 06:41:41,078 INFO L226 Difference]: Without dead ends: 247 [2022-11-19 06:41:41,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:41:41,079 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 122 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:41,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 4 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:41:41,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-19 06:41:41,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 235. [2022-11-19 06:41:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 234 states have (on average 1.7264957264957266) internal successors, (404), 234 states have internal predecessors, (404), 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) [2022-11-19 06:41:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 404 transitions. [2022-11-19 06:41:41,085 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 404 transitions. Word has length 27 [2022-11-19 06:41:41,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:41,086 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 404 transitions. [2022-11-19 06:41:41,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2022-11-19 06:41:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 404 transitions. [2022-11-19 06:41:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-19 06:41:41,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:41,087 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, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:41,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:41:41,087 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-11-19 06:41:41,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:41,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1547624132, now seen corresponding path program 1 times [2022-11-19 06:41:41,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:41,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026800714] [2022-11-19 06:41:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:41,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:41,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026800714] [2022-11-19 06:41:41,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026800714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:41,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:41,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:41:41,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869417085] [2022-11-19 06:41:41,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:41,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:41:41,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:41,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:41:41,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:41:41,537 INFO L87 Difference]: Start difference. First operand 235 states and 404 transitions. Second operand has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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) [2022-11-19 06:41:41,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:41,873 INFO L93 Difference]: Finished difference Result 230 states and 395 transitions. [2022-11-19 06:41:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:41:41,874 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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 39 [2022-11-19 06:41:41,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:41,874 INFO L225 Difference]: With dead ends: 230 [2022-11-19 06:41:41,874 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:41:41,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:41:41,875 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 102 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:41,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 4 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:41:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:41:41,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:41:41,876 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) [2022-11-19 06:41:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:41:41,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-11-19 06:41:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:41,877 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:41:41,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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) [2022-11-19 06:41:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:41:41,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:41:41,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-11-19 06:41:41,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-11-19 06:41:41,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2022-11-19 06:41:41,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-11-19 06:41:41,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2022-11-19 06:41:41,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-11-19 06:41:41,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-11-19 06:41:41,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-11-19 06:41:41,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-11-19 06:41:41,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-11-19 06:41:41,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-11-19 06:41:41,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 06:41:41,888 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:41,892 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 06:41:41,893 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:41:41,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:41:41 BasicIcfg [2022-11-19 06:41:41,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:41:41,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:41:41,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:41:41,901 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:41:41,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:41:28" (3/4) ... [2022-11-19 06:41:41,904 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:41:41,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-19 06:41:41,915 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-19 06:41:41,915 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 06:41:41,916 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 06:41:41,916 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:41:41,955 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:41:41,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:41:41,956 INFO L158 Benchmark]: Toolchain (without parser) took 14871.69ms. Allocated memory was 123.7MB in the beginning and 283.1MB in the end (delta: 159.4MB). Free memory was 82.6MB in the beginning and 239.6MB in the end (delta: -157.0MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-11-19 06:41:41,956 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:41:41,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.28ms. Allocated memory is still 123.7MB. Free memory was 82.4MB in the beginning and 86.2MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:41:41,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.69ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:41:41,957 INFO L158 Benchmark]: Boogie Preprocessor took 31.80ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:41:41,957 INFO L158 Benchmark]: RCFGBuilder took 620.78ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 63.6MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 06:41:41,958 INFO L158 Benchmark]: TraceAbstraction took 13450.49ms. Allocated memory was 123.7MB in the beginning and 283.1MB in the end (delta: 159.4MB). Free memory was 63.1MB in the beginning and 242.7MB in the end (delta: -179.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:41:41,958 INFO L158 Benchmark]: Witness Printer took 53.95ms. Allocated memory is still 283.1MB. Free memory was 242.7MB in the beginning and 239.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:41:41,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.28ms. Allocated memory is still 123.7MB. Free memory was 82.4MB in the beginning and 86.2MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.69ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.80ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.78ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 63.6MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13450.49ms. Allocated memory was 123.7MB in the beginning and 283.1MB in the end (delta: 159.4MB). Free memory was 63.1MB in the beginning and 242.7MB in the end (delta: -179.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.95ms. Allocated memory is still 283.1MB. Free memory was 242.7MB in the beginning and 239.6MB in the end (delta: 3.1MB). 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: 6.1s, 142 PlacesBefore, 58 PlacesAfterwards, 147 TransitionsBefore, 62 TransitionsAfterwards, 4270 CoEnabledTransitionPairs, 13 FixpointIterations, 46 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 1 ChoiceCompositions, 131 TotalNumberOfCompositions, 34347 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10000, independent: 8883, independent conditional: 0, independent unconditional: 8883, dependent: 1117, dependent conditional: 0, dependent unconditional: 1117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3660, independent: 3502, independent conditional: 0, independent unconditional: 3502, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3660, independent: 2821, independent conditional: 0, independent unconditional: 2821, dependent: 839, dependent conditional: 0, dependent unconditional: 839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 839, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1258, independent: 845, independent conditional: 0, independent unconditional: 845, dependent: 413, dependent conditional: 0, dependent unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10000, independent: 5381, independent conditional: 0, independent unconditional: 5381, dependent: 959, dependent conditional: 0, dependent unconditional: 959, unknown: 3660, unknown conditional: 0, unknown unconditional: 3660] , Statistics on independence cache: Total cache size (in pairs): 803, Positive cache size: 729, Positive conditional cache size: 0, Positive unconditional cache size: 729, Negative cache size: 74, Negative conditional cache size: 0, Negative unconditional cache size: 74, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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, 196 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 728 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 728 mSDsluCounter, 287 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2640 IncrementalHoareTripleChecker+Invalid, 2901 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 208 mSDtfsCounter, 2640 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=725occurred in iteration=5, InterpolantAutomatonStates: 66, 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, 306 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 1242 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 06:41:41,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99bb1f1-8d12-45e7-80c5-c7ce758ea76b/bin/utaipan-I9t0OCRTmS/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