./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004_variant.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_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/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_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/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_bbf57128-9c7d-4f9b-8009-10ad6f47637e/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 1ad14026eba5b252f16e1e7c5b06294a08c72d8fedf1d2cbda596d8ea988add3 --- 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 07:36:11,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:36:11,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:36:11,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:36:11,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:36:11,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:36:11,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:36:11,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:36:11,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:36:11,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:36:11,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:36:11,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:36:11,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:36:11,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:36:11,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:36:11,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:36:11,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:36:11,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:36:11,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:36:11,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:36:11,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:36:11,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:36:11,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:36:11,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:36:11,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:36:11,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:36:11,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:36:11,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:36:11,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:36:11,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:36:11,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:36:11,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:36:11,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:36:11,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:36:11,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:36:11,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:36:11,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:36:11,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:36:11,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:36:11,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:36:11,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:36:11,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:36:11,228 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:36:11,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:36:11,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:36:11,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:36:11,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:36:11,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:36:11,231 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:36:11,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:36:11,231 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:36:11,232 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:36:11,232 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:36:11,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:36:11,233 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:36:11,233 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:36:11,233 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:36:11,234 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:36:11,234 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:36:11,234 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:36:11,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:36:11,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:36:11,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:36:11,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:36:11,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:36:11,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:36:11,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:36:11,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:36:11,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:36:11,238 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:36:11,239 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:36:11,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:36:11,239 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:36:11,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:36:11,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:36:11,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:36:11,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:36:11,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:36:11,241 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:36:11,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:36:11,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:36:11,242 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:36:11,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:36:11,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:36:11,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:36:11,243 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_bbf57128-9c7d-4f9b-8009-10ad6f47637e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad14026eba5b252f16e1e7c5b06294a08c72d8fedf1d2cbda596d8ea988add3 [2022-11-19 07:36:11,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:36:11,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:36:11,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:36:11,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:36:11,663 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:36:11,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2022-11-19 07:36:11,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/data/08c1cab10/ab815521e0ee48cb8f132a303d6c4a06/FLAG24bea9dd0 [2022-11-19 07:36:12,515 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:36:12,516 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2022-11-19 07:36:12,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/data/08c1cab10/ab815521e0ee48cb8f132a303d6c4a06/FLAG24bea9dd0 [2022-11-19 07:36:12,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/data/08c1cab10/ab815521e0ee48cb8f132a303d6c4a06 [2022-11-19 07:36:12,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:36:12,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:36:12,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:36:12,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:36:12,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:36:12,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:12" (1/1) ... [2022-11-19 07:36:12,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f4844d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:12, skipping insertion in model container [2022-11-19 07:36:12,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:12" (1/1) ... [2022-11-19 07:36:12,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:36:12,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:36:13,313 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_bbf57128-9c7d-4f9b-8009-10ad6f47637e/sv-benchmarks/c/pthread-lit/qw2004_variant.i[30003,30016] [2022-11-19 07:36:13,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:36:13,351 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:36:13,419 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_bbf57128-9c7d-4f9b-8009-10ad6f47637e/sv-benchmarks/c/pthread-lit/qw2004_variant.i[30003,30016] [2022-11-19 07:36:13,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:36:13,488 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:36:13,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13 WrapperNode [2022-11-19 07:36:13,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:36:13,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:36:13,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:36:13,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:36:13,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,560 INFO L138 Inliner]: procedures = 174, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 155 [2022-11-19 07:36:13,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:36:13,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:36:13,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:36:13,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:36:13,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,628 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:36:13,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:36:13,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:36:13,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:36:13,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (1/1) ... [2022-11-19 07:36:13,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:36:13,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:36:13,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:36:13,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:36:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2022-11-19 07:36:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2022-11-19 07:36:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:36:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:36:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:36:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:36:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:36:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2022-11-19 07:36:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2022-11-19 07:36:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:36:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:36:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:36:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:36:13,736 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 07:36:13,930 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:36:13,933 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:36:14,294 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:36:14,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:36:14,457 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:36:14,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:14 BoogieIcfgContainer [2022-11-19 07:36:14,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:36:14,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:36:14,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:36:14,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:36:14,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:12" (1/3) ... [2022-11-19 07:36:14,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb423ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:14, skipping insertion in model container [2022-11-19 07:36:14,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:13" (2/3) ... [2022-11-19 07:36:14,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb423ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:14, skipping insertion in model container [2022-11-19 07:36:14,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:14" (3/3) ... [2022-11-19 07:36:14,471 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004_variant.i [2022-11-19 07:36:14,482 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:36:14,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:36:14,525 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2022-11-19 07:36:14,525 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:36:14,590 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:36:14,634 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:36:14,653 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 144 transitions, 298 flow [2022-11-19 07:36:14,657 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 144 transitions, 298 flow [2022-11-19 07:36:14,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 144 transitions, 298 flow [2022-11-19 07:36:14,796 INFO L130 PetriNetUnfolder]: 6/155 cut-off events. [2022-11-19 07:36:14,796 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:36:14,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 155 events. 6/155 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 272 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 112. Up to 4 conditions per place. [2022-11-19 07:36:14,815 INFO L119 LiptonReduction]: Number of co-enabled transitions 5760 [2022-11-19 07:36:20,358 INFO L134 LiptonReduction]: Checked pairs total: 10938 [2022-11-19 07:36:20,358 INFO L136 LiptonReduction]: Total number of compositions: 187 [2022-11-19 07:36:20,369 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 42 transitions, 94 flow [2022-11-19 07:36:20,473 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1108 states, 953 states have (on average 3.1899265477439664) internal successors, (3040), 1107 states have internal predecessors, (3040), 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 07:36:20,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:36:20,504 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;@39330702, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:36:20,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-19 07:36:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 1108 states, 953 states have (on average 3.1899265477439664) internal successors, (3040), 1107 states have internal predecessors, (3040), 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 07:36:20,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 07:36:20,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:20,517 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 07:36:20,518 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-11-19 07:36:20,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:20,525 INFO L85 PathProgramCache]: Analyzing trace with hash 708, now seen corresponding path program 1 times [2022-11-19 07:36:20,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:20,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886561015] [2022-11-19 07:36:20,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:20,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:20,669 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 07:36:20,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:20,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886561015] [2022-11-19 07:36:20,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886561015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:20,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:20,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 07:36:20,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608988477] [2022-11-19 07:36:20,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:20,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:36:20,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:20,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:36:20,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:36:20,715 INFO L87 Difference]: Start difference. First operand has 1108 states, 953 states have (on average 3.1899265477439664) internal successors, (3040), 1107 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:36:20,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:20,824 INFO L93 Difference]: Finished difference Result 408 states and 1066 transitions. [2022-11-19 07:36:20,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:36:20,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-19 07:36:20,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:20,858 INFO L225 Difference]: With dead ends: 408 [2022-11-19 07:36:20,858 INFO L226 Difference]: Without dead ends: 407 [2022-11-19 07:36:20,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:36:20,865 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:20,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:36:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-11-19 07:36:20,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2022-11-19 07:36:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 389 states have (on average 2.7326478149100257) internal successors, (1063), 406 states have internal predecessors, (1063), 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 07:36:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1063 transitions. [2022-11-19 07:36:20,993 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 1063 transitions. Word has length 1 [2022-11-19 07:36:20,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:20,994 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 1063 transitions. [2022-11-19 07:36:20,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:36:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1063 transitions. [2022-11-19 07:36:20,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:36:20,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:20,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:36:20,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:36:20,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-11-19 07:36:20,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:20,997 INFO L85 PathProgramCache]: Analyzing trace with hash 685139618, now seen corresponding path program 1 times [2022-11-19 07:36:20,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:20,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179623101] [2022-11-19 07:36:20,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:20,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:21,103 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 07:36:21,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:21,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179623101] [2022-11-19 07:36:21,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179623101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:21,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:21,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:36:21,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40495121] [2022-11-19 07:36:21,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:21,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:21,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:21,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:21,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:21,110 INFO L87 Difference]: Start difference. First operand 407 states and 1063 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 07:36:21,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:21,206 INFO L93 Difference]: Finished difference Result 423 states and 1101 transitions. [2022-11-19 07:36:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:36:21,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 07:36:21,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:21,210 INFO L225 Difference]: With dead ends: 423 [2022-11-19 07:36:21,210 INFO L226 Difference]: Without dead ends: 423 [2022-11-19 07:36:21,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:21,214 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:21,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:36:21,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-11-19 07:36:21,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2022-11-19 07:36:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 406 states have (on average 2.7118226600985222) internal successors, (1101), 422 states have internal predecessors, (1101), 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 07:36:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 1101 transitions. [2022-11-19 07:36:21,248 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 1101 transitions. Word has length 5 [2022-11-19 07:36:21,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:21,249 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 1101 transitions. [2022-11-19 07:36:21,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 07:36:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1101 transitions. [2022-11-19 07:36:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 07:36:21,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:21,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:21,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:36:21,253 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-11-19 07:36:21,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1289272009, now seen corresponding path program 1 times [2022-11-19 07:36:21,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:21,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254238048] [2022-11-19 07:36:21,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:21,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:21,349 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 07:36:21,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:21,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254238048] [2022-11-19 07:36:21,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254238048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:21,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:21,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:36:21,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252991322] [2022-11-19 07:36:21,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:21,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:21,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:21,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:21,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:21,352 INFO L87 Difference]: Start difference. First operand 423 states and 1101 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 07:36:21,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:21,425 INFO L93 Difference]: Finished difference Result 423 states and 1065 transitions. [2022-11-19 07:36:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:36:21,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-19 07:36:21,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:21,429 INFO L225 Difference]: With dead ends: 423 [2022-11-19 07:36:21,430 INFO L226 Difference]: Without dead ends: 423 [2022-11-19 07:36:21,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:21,431 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 16 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:21,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 11 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:36:21,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-11-19 07:36:21,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 399. [2022-11-19 07:36:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 385 states have (on average 2.6675324675324674) internal successors, (1027), 398 states have internal predecessors, (1027), 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 07:36:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 1027 transitions. [2022-11-19 07:36:21,448 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 1027 transitions. Word has length 7 [2022-11-19 07:36:21,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:21,449 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 1027 transitions. [2022-11-19 07:36:21,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 07:36:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1027 transitions. [2022-11-19 07:36:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:36:21,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:21,451 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:21,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:36:21,451 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-11-19 07:36:21,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:21,452 INFO L85 PathProgramCache]: Analyzing trace with hash -648621647, now seen corresponding path program 1 times [2022-11-19 07:36:21,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:21,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927338543] [2022-11-19 07:36:21,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:21,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:36:21,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:36:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:36:21,603 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:36:21,604 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:36:21,605 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 36 remaining) [2022-11-19 07:36:21,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2022-11-19 07:36:21,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2022-11-19 07:36:21,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2022-11-19 07:36:21,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2022-11-19 07:36:21,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2022-11-19 07:36:21,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2022-11-19 07:36:21,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2022-11-19 07:36:21,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2022-11-19 07:36:21,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2022-11-19 07:36:21,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2022-11-19 07:36:21,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2022-11-19 07:36:21,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2022-11-19 07:36:21,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2022-11-19 07:36:21,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2022-11-19 07:36:21,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2022-11-19 07:36:21,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2022-11-19 07:36:21,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2022-11-19 07:36:21,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2022-11-19 07:36:21,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2022-11-19 07:36:21,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 36 remaining) [2022-11-19 07:36:21,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (14 of 36 remaining) [2022-11-19 07:36:21,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining) [2022-11-19 07:36:21,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining) [2022-11-19 07:36:21,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2022-11-19 07:36:21,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2022-11-19 07:36:21,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2022-11-19 07:36:21,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2022-11-19 07:36:21,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2022-11-19 07:36:21,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2022-11-19 07:36:21,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2022-11-19 07:36:21,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2022-11-19 07:36:21,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2022-11-19 07:36:21,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2022-11-19 07:36:21,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2022-11-19 07:36:21,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2022-11-19 07:36:21,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:36:21,632 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-19 07:36:21,635 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-19 07:36:21,635 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-19 07:36:21,691 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:36:21,697 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:36:21,697 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 221 transitions, 466 flow [2022-11-19 07:36:21,697 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 221 transitions, 466 flow [2022-11-19 07:36:21,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 221 transitions, 466 flow [2022-11-19 07:36:21,748 INFO L130 PetriNetUnfolder]: 10/214 cut-off events. [2022-11-19 07:36:21,748 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-19 07:36:21,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 214 events. 10/214 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 492 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 223. Up to 6 conditions per place. [2022-11-19 07:36:21,760 INFO L119 LiptonReduction]: Number of co-enabled transitions 13536 [2022-11-19 07:36:28,511 INFO L134 LiptonReduction]: Checked pairs total: 28635 [2022-11-19 07:36:28,511 INFO L136 LiptonReduction]: Total number of compositions: 289 [2022-11-19 07:36:28,513 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 67 transitions, 158 flow [2022-11-19 07:36:29,200 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 17347 states, 15967 states have (on average 4.10008141792447) internal successors, (65466), 17346 states have internal predecessors, (65466), 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 07:36:29,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:36:29,203 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;@39330702, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:36:29,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2022-11-19 07:36:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 17347 states, 15967 states have (on average 4.10008141792447) internal successors, (65466), 17346 states have internal predecessors, (65466), 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 07:36:29,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 07:36:29,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:29,385 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 07:36:29,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-19 07:36:29,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:29,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1285, now seen corresponding path program 1 times [2022-11-19 07:36:29,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:29,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185765328] [2022-11-19 07:36:29,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:29,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:29,415 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 07:36:29,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:29,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185765328] [2022-11-19 07:36:29,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185765328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:29,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:29,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 07:36:29,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650358270] [2022-11-19 07:36:29,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:29,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:36:29,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:29,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:36:29,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:36:29,459 INFO L87 Difference]: Start difference. First operand has 17347 states, 15967 states have (on average 4.10008141792447) internal successors, (65466), 17346 states have internal predecessors, (65466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:36:29,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:29,538 INFO L93 Difference]: Finished difference Result 3011 states and 10875 transitions. [2022-11-19 07:36:29,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:36:29,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-19 07:36:29,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:29,562 INFO L225 Difference]: With dead ends: 3011 [2022-11-19 07:36:29,562 INFO L226 Difference]: Without dead ends: 3007 [2022-11-19 07:36:29,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:36:29,563 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:29,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:36:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2022-11-19 07:36:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 3007. [2022-11-19 07:36:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3007 states, 2966 states have (on average 3.6608226567768036) internal successors, (10858), 3006 states have internal predecessors, (10858), 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 07:36:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 3007 states and 10858 transitions. [2022-11-19 07:36:29,759 INFO L78 Accepts]: Start accepts. Automaton has 3007 states and 10858 transitions. Word has length 1 [2022-11-19 07:36:29,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:29,760 INFO L495 AbstractCegarLoop]: Abstraction has 3007 states and 10858 transitions. [2022-11-19 07:36:29,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:36:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3007 states and 10858 transitions. [2022-11-19 07:36:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:36:29,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:29,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:36:29,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:36:29,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-19 07:36:29,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:29,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1233895364, now seen corresponding path program 1 times [2022-11-19 07:36:29,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:29,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962590271] [2022-11-19 07:36:29,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:29,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:29,793 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 07:36:29,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:29,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962590271] [2022-11-19 07:36:29,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962590271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:29,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:29,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:36:29,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317369068] [2022-11-19 07:36:29,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:29,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:29,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:29,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:29,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:29,795 INFO L87 Difference]: Start difference. First operand 3007 states and 10858 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 07:36:29,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:29,897 INFO L93 Difference]: Finished difference Result 3226 states and 11656 transitions. [2022-11-19 07:36:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:36:29,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 07:36:29,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:29,923 INFO L225 Difference]: With dead ends: 3226 [2022-11-19 07:36:29,924 INFO L226 Difference]: Without dead ends: 3226 [2022-11-19 07:36:29,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:29,925 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:29,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 20 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:36:29,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2022-11-19 07:36:30,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 3226. [2022-11-19 07:36:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3226 states, 3186 states have (on average 3.6585059635907093) internal successors, (11656), 3225 states have internal predecessors, (11656), 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 07:36:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 11656 transitions. [2022-11-19 07:36:30,121 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 11656 transitions. Word has length 5 [2022-11-19 07:36:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:30,121 INFO L495 AbstractCegarLoop]: Abstraction has 3226 states and 11656 transitions. [2022-11-19 07:36:30,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 07:36:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 11656 transitions. [2022-11-19 07:36:30,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 07:36:30,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:30,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:30,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:36:30,124 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-19 07:36:30,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash 362726754, now seen corresponding path program 1 times [2022-11-19 07:36:30,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:30,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508515856] [2022-11-19 07:36:30,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:30,157 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 07:36:30,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:30,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508515856] [2022-11-19 07:36:30,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508515856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:30,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:30,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:36:30,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540902664] [2022-11-19 07:36:30,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:30,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:30,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:30,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:30,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:30,160 INFO L87 Difference]: Start difference. First operand 3226 states and 11656 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 07:36:30,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:30,285 INFO L93 Difference]: Finished difference Result 3468 states and 12064 transitions. [2022-11-19 07:36:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:36:30,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-19 07:36:30,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:30,318 INFO L225 Difference]: With dead ends: 3468 [2022-11-19 07:36:30,318 INFO L226 Difference]: Without dead ends: 3468 [2022-11-19 07:36:30,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:30,319 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:30,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 20 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:36:30,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3468 states. [2022-11-19 07:36:30,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3468 to 3117. [2022-11-19 07:36:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 3081 states have (on average 3.6137617656604997) internal successors, (11134), 3116 states have internal predecessors, (11134), 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 07:36:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 11134 transitions. [2022-11-19 07:36:30,528 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 11134 transitions. Word has length 7 [2022-11-19 07:36:30,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:30,529 INFO L495 AbstractCegarLoop]: Abstraction has 3117 states and 11134 transitions. [2022-11-19 07:36:30,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 07:36:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 11134 transitions. [2022-11-19 07:36:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:36:30,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:30,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:30,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:36:30,535 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-19 07:36:30,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:30,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1380945718, now seen corresponding path program 1 times [2022-11-19 07:36:30,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:30,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767096889] [2022-11-19 07:36:30,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:30,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:30,569 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 07:36:30,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:30,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767096889] [2022-11-19 07:36:30,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767096889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:30,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:30,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:36:30,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119481618] [2022-11-19 07:36:30,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:30,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:30,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:30,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:30,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:30,571 INFO L87 Difference]: Start difference. First operand 3117 states and 11134 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:36:30,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:30,684 INFO L93 Difference]: Finished difference Result 3294 states and 11127 transitions. [2022-11-19 07:36:30,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:36:30,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:36:30,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:30,709 INFO L225 Difference]: With dead ends: 3294 [2022-11-19 07:36:30,709 INFO L226 Difference]: Without dead ends: 3262 [2022-11-19 07:36:30,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:30,710 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 24 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:30,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 15 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:36:30,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2022-11-19 07:36:30,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2643. [2022-11-19 07:36:30,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 2618 states have (on average 3.533231474407945) internal successors, (9250), 2642 states have internal predecessors, (9250), 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 07:36:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 9250 transitions. [2022-11-19 07:36:30,824 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 9250 transitions. Word has length 9 [2022-11-19 07:36:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:30,825 INFO L495 AbstractCegarLoop]: Abstraction has 2643 states and 9250 transitions. [2022-11-19 07:36:30,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:36:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 9250 transitions. [2022-11-19 07:36:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 07:36:30,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:30,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:30,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:36:30,832 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-19 07:36:30,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1646245294, now seen corresponding path program 1 times [2022-11-19 07:36:30,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:30,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72030443] [2022-11-19 07:36:30,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:36:30,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:36:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:36:30,866 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:36:30,867 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:36:30,867 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2022-11-19 07:36:30,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2022-11-19 07:36:30,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2022-11-19 07:36:30,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2022-11-19 07:36:30,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2022-11-19 07:36:30,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2022-11-19 07:36:30,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2022-11-19 07:36:30,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2022-11-19 07:36:30,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2022-11-19 07:36:30,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2022-11-19 07:36:30,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2022-11-19 07:36:30,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2022-11-19 07:36:30,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2022-11-19 07:36:30,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2022-11-19 07:36:30,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2022-11-19 07:36:30,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2022-11-19 07:36:30,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2022-11-19 07:36:30,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2022-11-19 07:36:30,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2022-11-19 07:36:30,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2022-11-19 07:36:30,871 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 51 remaining) [2022-11-19 07:36:30,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 51 remaining) [2022-11-19 07:36:30,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2022-11-19 07:36:30,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2022-11-19 07:36:30,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2022-11-19 07:36:30,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2022-11-19 07:36:30,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2022-11-19 07:36:30,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2022-11-19 07:36:30,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2022-11-19 07:36:30,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2022-11-19 07:36:30,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2022-11-19 07:36:30,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2022-11-19 07:36:30,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2022-11-19 07:36:30,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2022-11-19 07:36:30,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2022-11-19 07:36:30,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2022-11-19 07:36:30,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2022-11-19 07:36:30,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2022-11-19 07:36:30,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2022-11-19 07:36:30,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2022-11-19 07:36:30,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2022-11-19 07:36:30,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2022-11-19 07:36:30,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2022-11-19 07:36:30,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2022-11-19 07:36:30,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2022-11-19 07:36:30,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2022-11-19 07:36:30,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2022-11-19 07:36:30,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2022-11-19 07:36:30,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2022-11-19 07:36:30,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2022-11-19 07:36:30,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2022-11-19 07:36:30,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:36:30,878 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 07:36:30,883 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-11-19 07:36:30,884 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:36:30,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:30 BasicIcfg [2022-11-19 07:36:30,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:36:30,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:36:30,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:36:30,969 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:36:30,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:14" (3/4) ... [2022-11-19 07:36:30,972 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:36:30,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:36:30,973 INFO L158 Benchmark]: Toolchain (without parser) took 18202.84ms. Allocated memory was 104.9MB in the beginning and 316.7MB in the end (delta: 211.8MB). Free memory was 62.3MB in the beginning and 176.5MB in the end (delta: -114.2MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2022-11-19 07:36:30,973 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:36:30,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.07ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 71.0MB in the end (delta: -8.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-19 07:36:30,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.38ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 68.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:36:30,974 INFO L158 Benchmark]: Boogie Preprocessor took 66.23ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 67.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:36:30,975 INFO L158 Benchmark]: RCFGBuilder took 826.29ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 43.8MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 07:36:30,976 INFO L158 Benchmark]: TraceAbstraction took 16504.85ms. Allocated memory was 104.9MB in the beginning and 316.7MB in the end (delta: 211.8MB). Free memory was 43.2MB in the beginning and 177.5MB in the end (delta: -134.3MB). Peak memory consumption was 161.4MB. Max. memory is 16.1GB. [2022-11-19 07:36:30,976 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 316.7MB. Free memory was 177.5MB in the beginning and 176.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:36:30,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.07ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 71.0MB in the end (delta: -8.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.38ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 68.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.23ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 67.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.29ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 43.8MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 16504.85ms. Allocated memory was 104.9MB in the beginning and 316.7MB in the end (delta: 211.8MB). Free memory was 43.2MB in the beginning and 177.5MB in the end (delta: -134.3MB). Peak memory consumption was 161.4MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 316.7MB. Free memory was 177.5MB in the beginning and 176.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.7s, 145 PlacesBefore, 46 PlacesAfterwards, 144 TransitionsBefore, 42 TransitionsAfterwards, 5760 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 112 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 3 ChoiceCompositions, 187 TotalNumberOfCompositions, 10938 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7543, independent: 7334, independent conditional: 0, independent unconditional: 7334, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4297, independent: 4225, independent conditional: 0, independent unconditional: 4225, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4297, independent: 4132, independent conditional: 0, independent unconditional: 4132, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 165, independent: 93, independent conditional: 0, independent unconditional: 93, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 413, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7543, independent: 3109, independent conditional: 0, independent unconditional: 3109, dependent: 137, dependent conditional: 0, dependent unconditional: 137, unknown: 4297, unknown conditional: 0, unknown unconditional: 4297] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 170, Positive conditional cache size: 0, Positive unconditional cache size: 170, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8s, 222 PlacesBefore, 74 PlacesAfterwards, 221 TransitionsBefore, 67 TransitionsAfterwards, 13536 CoEnabledTransitionPairs, 9 FixpointIterations, 104 TrivialSequentialCompositions, 155 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 22 ConcurrentYvCompositions, 6 ChoiceCompositions, 289 TotalNumberOfCompositions, 28635 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18135, independent: 17803, independent conditional: 0, independent unconditional: 17803, dependent: 332, dependent conditional: 0, dependent unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9873, independent: 9776, independent conditional: 0, independent unconditional: 9776, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9873, independent: 9421, independent conditional: 0, independent unconditional: 9421, dependent: 452, dependent conditional: 0, dependent unconditional: 452, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 452, independent: 355, independent conditional: 0, independent unconditional: 355, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 596, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 274, dependent conditional: 0, dependent unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18135, independent: 8027, independent conditional: 0, independent unconditional: 8027, dependent: 235, dependent conditional: 0, dependent unconditional: 235, unknown: 9873, unknown conditional: 0, unknown unconditional: 9873] , Statistics on independence cache: Total cache size (in pairs): 466, Positive cache size: 440, Positive conditional cache size: 0, Positive unconditional cache size: 440, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, 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 - DataRaceFoundResult [Line: 730]: Data race detected Data race detected The following path leads to a data race: [L700] 0 volatile int stopped; [L699] 0 volatile int stoppingEvent; [L698] 0 volatile int pendingIo; [L697] 0 volatile int stoppingFlag; [L737] 0 pthread_t t; [L738] 0 int i; [L739] 0 pendingIo = 1 [L740] 0 stoppingFlag = 0 [L741] 0 stoppingEvent = 0 [L742] 0 stopped = 0 [L743] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpStop, 0) VAL [pendingIo=1, pthread_create(&t, 0, BCSP_PnpStop, 0)=-3, stopped=0, stoppingEvent=0, stoppingFlag=0, t={3:0}] [L730] 1 stoppingFlag = 1 VAL [arg={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L744] 0 i = 0 VAL [i=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1, t={3:0}] [L744] COND TRUE 0 i < 10 [L745] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpAdd, 0) VAL [i=0, pendingIo=1, pthread_create(&t, 0, BCSP_PnpAdd, 0)=-2, stopped=0, stoppingEvent=0, stoppingFlag=1, t={3:0}] [L721] 2 int status; [L722] CALL 2 BCSP_IoIncrement() [L703] 2 \read(stoppingFlag) [L703] 2 \read(stoppingFlag) [L703] COND TRUE 2 \read(stoppingFlag) [L705] 2 return -1; VAL [\result=-1, pendingIo=1, pendingIo = pendingIo + 1=51, stopped=0, stoppingEvent=0, stoppingFlag=1] [L730] 1 stoppingFlag = 1 VAL [arg={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1, stoppingFlag = 1=50] Now there is a data race on ~stoppingFlag~0 between C: if (stoppingFlag) { __VERIFIER_atomic_end(); return -1; } else { pendingIo = pendingIo + 1; } [703-708] and C: stoppingFlag = 1 [730] - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 732]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 733]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 724]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 740]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 741]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 742]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 745]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 214 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 19 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1108occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 287 locations, 51 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 238 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 45 mSDtfsCounter, 238 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17347occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 4 MinimizatonAttempts, 970 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-19 07:36:31,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf57128-9c7d-4f9b-8009-10ad6f47637e/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE