./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur --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 a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b --- 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-38b53e6 [2022-11-25 23:35:04,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:35:04,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:35:04,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:35:04,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:35:04,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:35:04,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:35:04,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:35:04,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:35:04,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:35:04,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:35:04,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:35:04,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:35:04,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:35:04,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:35:04,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:35:04,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:35:04,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:35:04,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:35:04,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:35:04,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:35:04,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:35:04,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:35:04,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:35:04,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:35:04,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:35:04,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:35:04,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:35:04,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:35:04,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:35:04,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:35:04,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:35:04,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:35:04,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:35:04,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:35:04,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:35:04,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:35:04,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:35:04,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:35:04,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:35:04,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:35:04,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 23:35:04,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:35:04,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:35:04,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:35:04,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:35:04,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:35:04,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:35:04,181 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:35:04,182 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:35:04,182 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:35:04,196 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:35:04,196 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:35:04,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:35:04,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:35:04,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:35:04,197 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:35:04,197 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:35:04,197 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:35:04,197 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:35:04,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:35:04,198 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:35:04,199 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:35:04,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:35:04,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:35:04,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:35:04,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:35:04,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:35:04,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:35:04,201 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 23:35:04,202 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:35:04,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:35:04,202 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:35:04,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:35:04,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:35:04,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:35:04,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:35:04,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:35:04,207 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:35:04,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:35:04,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:35:04,208 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:35:04,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:35:04,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:35:04,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:35:04,209 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_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b [2022-11-25 23:35:04,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:35:04,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:35:04,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:35:04,523 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:35:04,523 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:35:04,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2022-11-25 23:35:07,696 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:35:07,996 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:35:07,996 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2022-11-25 23:35:08,016 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/data/00c6c0a0c/9b45f46373a444b68f5d521f507f26a8/FLAG8bcf4dca2 [2022-11-25 23:35:08,036 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/data/00c6c0a0c/9b45f46373a444b68f5d521f507f26a8 [2022-11-25 23:35:08,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:35:08,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:35:08,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:08,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:35:08,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:35:08,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd5677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08, skipping insertion in model container [2022-11-25 23:35:08,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:35:08,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:35:08,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30285,30298] [2022-11-25 23:35:08,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30729,30742] [2022-11-25 23:35:08,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:35:08,595 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:35:08,660 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30285,30298] [2022-11-25 23:35:08,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30729,30742] [2022-11-25 23:35:08,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:35:08,719 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:35:08,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08 WrapperNode [2022-11-25 23:35:08,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:08,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:35:08,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:35:08,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:35:08,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,784 INFO L138 Inliner]: procedures = 172, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 264 [2022-11-25 23:35:08,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:35:08,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:35:08,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:35:08,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:35:08,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:35:08,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:35:08,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:35:08,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:35:08,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (1/1) ... [2022-11-25 23:35:08,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:35:08,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:35:08,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:35:08,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2536549-9238-454b-bb86-260019f7cfd7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:35:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:35:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-25 23:35:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-25 23:35:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:35:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:35:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:35:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:35:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:35:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:35:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:35:08,931 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:35:09,123 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:35:09,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:35:09,900 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:35:10,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:35:10,359 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 23:35:10,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:35:10 BoogieIcfgContainer [2022-11-25 23:35:10,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:35:10,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:35:10,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:35:10,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:35:10,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:35:08" (1/3) ... [2022-11-25 23:35:10,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bfe824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:35:10, skipping insertion in model container [2022-11-25 23:35:10,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:08" (2/3) ... [2022-11-25 23:35:10,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bfe824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:35:10, skipping insertion in model container [2022-11-25 23:35:10,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:35:10" (3/3) ... [2022-11-25 23:35:10,373 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2022-11-25 23:35:10,383 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:35:10,395 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:35:10,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-25 23:35:10,396 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:35:10,567 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 23:35:10,620 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:35:10,656 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 141 transitions, 287 flow [2022-11-25 23:35:10,670 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 141 transitions, 287 flow [2022-11-25 23:35:10,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 141 transitions, 287 flow [2022-11-25 23:35:10,740 INFO L130 PetriNetUnfolder]: 9/152 cut-off events. [2022-11-25 23:35:10,740 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 23:35:10,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 152 events. 9/152 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 342 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 117. Up to 4 conditions per place. [2022-11-25 23:35:10,757 INFO L119 LiptonReduction]: Number of co-enabled transitions 2912 [2022-11-25 23:35:34,135 WARN L233 SmtUtils]: Spent 17.92s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:35:44,123 WARN L233 SmtUtils]: Spent 9.99s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:36:04,170 WARN L233 SmtUtils]: Spent 20.04s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:36:14,597 WARN L233 SmtUtils]: Spent 10.43s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:36:29,232 WARN L233 SmtUtils]: Spent 9.85s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:36:38,199 WARN L233 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:36:48,174 WARN L233 SmtUtils]: Spent 9.97s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:36:59,473 WARN L233 SmtUtils]: Spent 11.30s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:37:22,666 WARN L233 SmtUtils]: Spent 19.69s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:37:44,501 WARN L233 SmtUtils]: Spent 21.83s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:38:08,590 WARN L233 SmtUtils]: Spent 24.09s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:38:28,633 WARN L233 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:38:45,506 INFO L134 LiptonReduction]: Checked pairs total: 3557 [2022-11-25 23:38:45,507 INFO L136 LiptonReduction]: Total number of compositions: 156 [2022-11-25 23:38:45,515 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 40 transitions, 85 flow [2022-11-25 23:38:45,538 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 142 states, 105 states have (on average 2.6666666666666665) internal successors, (280), 141 states have internal predecessors, (280), 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) [2022-11-25 23:38:45,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:38:45,562 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;@195b8ec8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:38:45,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-11-25 23:38:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 105 states have (on average 2.6666666666666665) internal successors, (280), 141 states have internal predecessors, (280), 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) [2022-11-25 23:38:45,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:38:45,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:45,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:38:45,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-11-25 23:38:45,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:45,577 INFO L85 PathProgramCache]: Analyzing trace with hash 938768306, now seen corresponding path program 1 times [2022-11-25 23:38:45,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:38:45,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428930287] [2022-11-25 23:38:45,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:38:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:45,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:38:45,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428930287] [2022-11-25 23:38:45,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428930287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:45,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:45,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:38:45,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699199247] [2022-11-25 23:38:45,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:45,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:38:45,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:38:45,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:38:45,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:38:45,793 INFO L87 Difference]: Start difference. First operand has 142 states, 105 states have (on average 2.6666666666666665) internal successors, (280), 141 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) 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) [2022-11-25 23:38:46,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:46,368 INFO L93 Difference]: Finished difference Result 43 states and 89 transitions. [2022-11-25 23:38:46,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:38:46,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) 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 [2022-11-25 23:38:46,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:46,377 INFO L225 Difference]: With dead ends: 43 [2022-11-25 23:38:46,378 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 23:38:46,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:38:46,382 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:46,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 23:38:46,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 23:38:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-25 23:38:46,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 2.119047619047619) internal successors, (89), 42 states have internal predecessors, (89), 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) [2022-11-25 23:38:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 89 transitions. [2022-11-25 23:38:46,430 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 89 transitions. Word has length 5 [2022-11-25 23:38:46,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:46,431 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 89 transitions. [2022-11-25 23:38:46,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) 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) [2022-11-25 23:38:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 89 transitions. [2022-11-25 23:38:46,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:38:46,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:46,438 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-25 23:38:46,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:38:46,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-11-25 23:38:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:46,440 INFO L85 PathProgramCache]: Analyzing trace with hash -963049786, now seen corresponding path program 1 times [2022-11-25 23:38:46,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:38:46,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563555320] [2022-11-25 23:38:46,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:46,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:38:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:38:46,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:38:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:38:46,518 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:38:46,518 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:38:46,520 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2022-11-25 23:38:46,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2022-11-25 23:38:46,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2022-11-25 23:38:46,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2022-11-25 23:38:46,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2022-11-25 23:38:46,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2022-11-25 23:38:46,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2022-11-25 23:38:46,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2022-11-25 23:38:46,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2022-11-25 23:38:46,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2022-11-25 23:38:46,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2022-11-25 23:38:46,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2022-11-25 23:38:46,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2022-11-25 23:38:46,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2022-11-25 23:38:46,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2022-11-25 23:38:46,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2022-11-25 23:38:46,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2022-11-25 23:38:46,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2022-11-25 23:38:46,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2022-11-25 23:38:46,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2022-11-25 23:38:46,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2022-11-25 23:38:46,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2022-11-25 23:38:46,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2022-11-25 23:38:46,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2022-11-25 23:38:46,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2022-11-25 23:38:46,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2022-11-25 23:38:46,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2022-11-25 23:38:46,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2022-11-25 23:38:46,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2022-11-25 23:38:46,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2022-11-25 23:38:46,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2022-11-25 23:38:46,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2022-11-25 23:38:46,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2022-11-25 23:38:46,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2022-11-25 23:38:46,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2022-11-25 23:38:46,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2022-11-25 23:38:46,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2022-11-25 23:38:46,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:38:46,533 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:38:46,535 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-25 23:38:46,535 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-25 23:38:46,647 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 23:38:46,651 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:38:46,651 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 246 transitions, 504 flow [2022-11-25 23:38:46,652 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 236 places, 246 transitions, 504 flow [2022-11-25 23:38:46,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 246 transitions, 504 flow [2022-11-25 23:38:46,791 INFO L130 PetriNetUnfolder]: 17/270 cut-off events. [2022-11-25 23:38:46,792 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 23:38:46,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 270 events. 17/270 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1036 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 221. Up to 6 conditions per place. [2022-11-25 23:38:46,812 INFO L119 LiptonReduction]: Number of co-enabled transitions 27664 [2022-11-25 23:39:57,263 WARN L233 SmtUtils]: Spent 28.81s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:40:10,953 WARN L233 SmtUtils]: Spent 13.69s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:40:38,144 WARN L233 SmtUtils]: Spent 27.19s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:40:53,494 WARN L233 SmtUtils]: Spent 15.35s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:42:14,638 WARN L233 SmtUtils]: Spent 22.48s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:42:26,851 WARN L233 SmtUtils]: Spent 12.21s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:42:54,250 WARN L233 SmtUtils]: Spent 27.40s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:43:07,395 WARN L233 SmtUtils]: Spent 13.14s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:44:34,123 WARN L233 SmtUtils]: Spent 24.12s on a formula simplification. DAG size of input: 132 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:44:49,751 WARN L233 SmtUtils]: Spent 15.63s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:45:24,332 WARN L233 SmtUtils]: Spent 34.58s on a formula simplification. DAG size of input: 154 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:45:39,304 WARN L233 SmtUtils]: Spent 14.97s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:45:54,515 WARN L233 SmtUtils]: Spent 13.77s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:46:07,888 WARN L233 SmtUtils]: Spent 13.37s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:46:24,108 WARN L233 SmtUtils]: Spent 16.22s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:46:42,567 WARN L233 SmtUtils]: Spent 18.46s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:47:20,310 WARN L233 SmtUtils]: Spent 34.05s on a formula simplification. DAG size of input: 132 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:47:38,329 WARN L233 SmtUtils]: Spent 18.02s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:48:15,710 WARN L233 SmtUtils]: Spent 37.38s on a formula simplification. DAG size of input: 154 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:48:35,154 WARN L233 SmtUtils]: Spent 19.44s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:48:52,934 WARN L233 SmtUtils]: Spent 15.86s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:49:06,770 WARN L233 SmtUtils]: Spent 13.84s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:49:24,032 WARN L233 SmtUtils]: Spent 17.26s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:49:41,163 WARN L233 SmtUtils]: Spent 17.13s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:50:05,890 INFO L134 LiptonReduction]: Checked pairs total: 121860 [2022-11-25 23:50:05,890 INFO L136 LiptonReduction]: Total number of compositions: 298 [2022-11-25 23:50:05,891 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 121 transitions, 254 flow [2022-11-25 23:50:06,459 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15538 states, 14799 states have (on average 3.2065004392188663) internal successors, (47453), 15537 states have internal predecessors, (47453), 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) [2022-11-25 23:50:06,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:50:06,463 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;@195b8ec8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:50:06,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2022-11-25 23:50:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 15538 states, 14799 states have (on average 3.2065004392188663) internal successors, (47453), 15537 states have internal predecessors, (47453), 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) [2022-11-25 23:50:06,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:50:06,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:50:06,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:50:06,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-25 23:50:06,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:50:06,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1518381369, now seen corresponding path program 1 times [2022-11-25 23:50:06,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:50:06,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513043327] [2022-11-25 23:50:06,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:06,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:50:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:50:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:50:06,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:50:06,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513043327] [2022-11-25 23:50:06,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513043327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:50:06,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:50:06,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:50:06,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973258680] [2022-11-25 23:50:06,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:50:06,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:50:06,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:50:06,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:50:06,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:50:06,600 INFO L87 Difference]: Start difference. First operand has 15538 states, 14799 states have (on average 3.2065004392188663) internal successors, (47453), 15537 states have internal predecessors, (47453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) 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) [2022-11-25 23:50:07,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:50:07,446 INFO L93 Difference]: Finished difference Result 6807 states and 20415 transitions. [2022-11-25 23:50:07,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:50:07,446 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) 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 [2022-11-25 23:50:07,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:50:07,499 INFO L225 Difference]: With dead ends: 6807 [2022-11-25 23:50:07,499 INFO L226 Difference]: Without dead ends: 6807 [2022-11-25 23:50:07,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:50:07,500 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:50:07,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 23:50:07,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6807 states. [2022-11-25 23:50:07,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6807 to 6807. [2022-11-25 23:50:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6807 states, 6782 states have (on average 3.010173989973459) internal successors, (20415), 6806 states have internal predecessors, (20415), 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) [2022-11-25 23:50:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6807 states to 6807 states and 20415 transitions. [2022-11-25 23:50:07,792 INFO L78 Accepts]: Start accepts. Automaton has 6807 states and 20415 transitions. Word has length 5 [2022-11-25 23:50:07,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:50:07,793 INFO L495 AbstractCegarLoop]: Abstraction has 6807 states and 20415 transitions. [2022-11-25 23:50:07,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) 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) [2022-11-25 23:50:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6807 states and 20415 transitions. [2022-11-25 23:50:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 23:50:07,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:50:07,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:50:07,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:50:07,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-25 23:50:07,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:50:07,796 INFO L85 PathProgramCache]: Analyzing trace with hash -854115451, now seen corresponding path program 1 times [2022-11-25 23:50:07,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:50:07,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376876124] [2022-11-25 23:50:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:07,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:50:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:50:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:50:08,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:50:08,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376876124] [2022-11-25 23:50:08,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376876124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:50:08,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:50:08,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:50:08,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931870653] [2022-11-25 23:50:08,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:50:08,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:50:08,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:50:08,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:50:08,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:50:08,378 INFO L87 Difference]: Start difference. First operand 6807 states and 20415 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) [2022-11-25 23:50:12,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:50:12,553 INFO L93 Difference]: Finished difference Result 9883 states and 29292 transitions. [2022-11-25 23:50:12,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:50:12,555 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 [2022-11-25 23:50:12,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:50:12,625 INFO L225 Difference]: With dead ends: 9883 [2022-11-25 23:50:12,625 INFO L226 Difference]: Without dead ends: 9883 [2022-11-25 23:50:12,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:50:12,627 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 183 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:50:12,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 102 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 23:50:12,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9883 states. [2022-11-25 23:50:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9883 to 8839. [2022-11-25 23:50:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8839 states, 8818 states have (on average 2.974143796779315) internal successors, (26226), 8838 states have internal predecessors, (26226), 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) [2022-11-25 23:50:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8839 states to 8839 states and 26226 transitions. [2022-11-25 23:50:13,078 INFO L78 Accepts]: Start accepts. Automaton has 8839 states and 26226 transitions. Word has length 10 [2022-11-25 23:50:13,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:50:13,078 INFO L495 AbstractCegarLoop]: Abstraction has 8839 states and 26226 transitions. [2022-11-25 23:50:13,079 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) [2022-11-25 23:50:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 8839 states and 26226 transitions. [2022-11-25 23:50:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:50:13,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:50:13,086 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 23:50:13,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:50:13,087 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2022-11-25 23:50:13,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:50:13,088 INFO L85 PathProgramCache]: Analyzing trace with hash 600718620, now seen corresponding path program 1 times [2022-11-25 23:50:13,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:50:13,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440418865] [2022-11-25 23:50:13,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:13,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:50:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:50:13,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:50:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:50:13,119 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:50:13,119 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:50:13,119 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 55 remaining) [2022-11-25 23:50:13,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2022-11-25 23:50:13,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2022-11-25 23:50:13,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2022-11-25 23:50:13,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2022-11-25 23:50:13,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2022-11-25 23:50:13,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2022-11-25 23:50:13,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2022-11-25 23:50:13,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2022-11-25 23:50:13,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2022-11-25 23:50:13,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2022-11-25 23:50:13,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2022-11-25 23:50:13,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2022-11-25 23:50:13,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2022-11-25 23:50:13,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2022-11-25 23:50:13,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2022-11-25 23:50:13,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2022-11-25 23:50:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2022-11-25 23:50:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2022-11-25 23:50:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2022-11-25 23:50:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2022-11-25 23:50:13,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2022-11-25 23:50:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2022-11-25 23:50:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2022-11-25 23:50:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2022-11-25 23:50:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2022-11-25 23:50:13,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2022-11-25 23:50:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2022-11-25 23:50:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2022-11-25 23:50:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 55 remaining) [2022-11-25 23:50:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 55 remaining) [2022-11-25 23:50:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (23 of 55 remaining) [2022-11-25 23:50:13,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining) [2022-11-25 23:50:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 55 remaining) [2022-11-25 23:50:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (20 of 55 remaining) [2022-11-25 23:50:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 55 remaining) [2022-11-25 23:50:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (18 of 55 remaining) [2022-11-25 23:50:13,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2022-11-25 23:50:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2022-11-25 23:50:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2022-11-25 23:50:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2022-11-25 23:50:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2022-11-25 23:50:13,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2022-11-25 23:50:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2022-11-25 23:50:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2022-11-25 23:50:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2022-11-25 23:50:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2022-11-25 23:50:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2022-11-25 23:50:13,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2022-11-25 23:50:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2022-11-25 23:50:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2022-11-25 23:50:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2022-11-25 23:50:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2022-11-25 23:50:13,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2022-11-25 23:50:13,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2022-11-25 23:50:13,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:50:13,130 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 23:50:13,130 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-25 23:50:13,131 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-25 23:50:13,246 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 23:50:13,249 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:50:13,249 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 351 transitions, 723 flow [2022-11-25 23:50:13,250 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 351 transitions, 723 flow [2022-11-25 23:50:13,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 336 places, 351 transitions, 723 flow [2022-11-25 23:50:13,343 INFO L130 PetriNetUnfolder]: 25/388 cut-off events. [2022-11-25 23:50:13,343 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-25 23:50:13,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 388 events. 25/388 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1793 event pairs, 0 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 325. Up to 8 conditions per place. [2022-11-25 23:50:13,382 INFO L119 LiptonReduction]: Number of co-enabled transitions 74256