./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 726fce4da80b267da781dea82372ef1c43891e7d5d6ac2b3894c611bc25a242b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:56:27,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:56:27,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:56:27,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:56:27,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:56:27,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:56:27,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:56:27,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:56:27,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:56:27,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:56:27,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:56:27,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:56:27,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:56:27,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:56:27,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:56:27,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:56:27,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:56:27,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:56:27,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:56:27,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:56:27,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:56:27,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:56:27,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:56:27,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:56:27,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:56:27,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:56:27,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:56:27,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:56:27,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:56:27,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:56:27,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:56:27,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:56:27,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:56:27,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:56:27,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:56:27,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:56:27,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:56:27,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:56:27,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:56:27,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:56:27,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:56:27,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 14:56:27,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:56:27,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:56:27,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:56:27,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:56:27,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:56:27,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:56:27,189 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:56:27,190 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:56:27,190 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:56:27,190 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:56:27,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:56:27,190 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:56:27,190 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:56:27,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:56:27,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:56:27,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:56:27,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:56:27,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:56:27,192 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:56:27,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:56:27,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:56:27,192 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:56:27,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:56:27,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:56:27,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:56:27,193 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_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 726fce4da80b267da781dea82372ef1c43891e7d5d6ac2b3894c611bc25a242b [2022-12-14 14:56:27,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:56:27,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:56:27,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:56:27,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:56:27,402 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:56:27,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i [2022-12-14 14:56:29,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:56:30,162 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:56:30,163 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2022-12-14 14:56:30,175 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/data/9d4f2c370/3b12cf8f0b5043d58e97f66ff55587d8/FLAGeedfd9e3f [2022-12-14 14:56:30,189 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/data/9d4f2c370/3b12cf8f0b5043d58e97f66ff55587d8 [2022-12-14 14:56:30,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:56:30,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:56:30,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:56:30,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:56:30,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:56:30,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d893b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30, skipping insertion in model container [2022-12-14 14:56:30,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:56:30,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:56:30,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2022-12-14 14:56:30,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:56:30,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:56:30,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:56:30,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:56:30,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:56:30,535 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:56:30,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2022-12-14 14:56:30,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:56:30,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:56:30,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 14:56:30,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 14:56:30,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:56:30,605 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:56:30,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30 WrapperNode [2022-12-14 14:56:30,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:56:30,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:56:30,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:56:30,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:56:30,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,641 INFO L138 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2022-12-14 14:56:30,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:56:30,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:56:30,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:56:30,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:56:30,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:56:30,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:56:30,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:56:30,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:56:30,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (1/1) ... [2022-12-14 14:56:30,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:56:30,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:56:30,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:56:30,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6355bd0-3143-4a6f-aa09-27e0df28364f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:56:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 14:56:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2022-12-14 14:56:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2022-12-14 14:56:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:56:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:56:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 14:56:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:56:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:56:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:56:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:56:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:56:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:56:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:56:30,730 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 14:56:30,829 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:56:30,830 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:56:31,069 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:56:31,114 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:56:31,114 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 14:56:31,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:56:31 BoogieIcfgContainer [2022-12-14 14:56:31,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:56:31,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:56:31,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:56:31,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:56:31,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:56:30" (1/3) ... [2022-12-14 14:56:31,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c272e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:56:31, skipping insertion in model container [2022-12-14 14:56:31,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:56:30" (2/3) ... [2022-12-14 14:56:31,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c272e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:56:31, skipping insertion in model container [2022-12-14 14:56:31,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:56:31" (3/3) ... [2022-12-14 14:56:31,121 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2022-12-14 14:56:31,128 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 14:56:31,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:56:31,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-12-14 14:56:31,135 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 14:56:31,180 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 14:56:31,204 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 14:56:31,214 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 175 transitions, 355 flow [2022-12-14 14:56:31,216 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 175 transitions, 355 flow [2022-12-14 14:56:31,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 175 transitions, 355 flow [2022-12-14 14:56:31,260 INFO L130 PetriNetUnfolder]: 8/187 cut-off events. [2022-12-14 14:56:31,260 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 14:56:31,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 187 events. 8/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 161 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 103. Up to 4 conditions per place. [2022-12-14 14:56:31,266 INFO L119 LiptonReduction]: Number of co-enabled transitions 2670 [2022-12-14 14:56:35,905 INFO L134 LiptonReduction]: Checked pairs total: 3124 [2022-12-14 14:56:35,905 INFO L136 LiptonReduction]: Total number of compositions: 229 [2022-12-14 14:56:35,912 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 33 transitions, 71 flow [2022-12-14 14:56:35,925 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 109 states, 71 states have (on average 2.647887323943662) internal successors, (188), 108 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:35,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:56:35,942 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;@4292784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:56:35,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-12-14 14:56:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 71 states have (on average 2.647887323943662) internal successors, (188), 108 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 14:56:35,948 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:56:35,948 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 14:56:35,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-12-14 14:56:35,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:56:35,952 INFO L85 PathProgramCache]: Analyzing trace with hash 783, now seen corresponding path program 1 times [2022-12-14 14:56:35,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:56:35,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451390066] [2022-12-14 14:56:35,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:56:35,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:56:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:56:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:56:36,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:56:36,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451390066] [2022-12-14 14:56:36,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451390066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:56:36,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:56:36,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 14:56:36,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179694413] [2022-12-14 14:56:36,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:56:36,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:56:36,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:56:36,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:56:36,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:56:36,070 INFO L87 Difference]: Start difference. First operand has 109 states, 71 states have (on average 2.647887323943662) internal successors, (188), 108 states have internal predecessors, (188), 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) [2022-12-14 14:56:36,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:56:36,097 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2022-12-14 14:56:36,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:56:36,099 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 [2022-12-14 14:56:36,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:56:36,105 INFO L225 Difference]: With dead ends: 23 [2022-12-14 14:56:36,105 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 14:56:36,106 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 [2022-12-14 14:56:36,109 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:56:36,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:56:36,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 14:56:36,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-14 14:56:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:36,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2022-12-14 14:56:36,132 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 1 [2022-12-14 14:56:36,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:56:36,132 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2022-12-14 14:56:36,133 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) [2022-12-14 14:56:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-12-14 14:56:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 14:56:36,133 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:56:36,133 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-12-14 14:56:36,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:56:36,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-12-14 14:56:36,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:56:36,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2027624847, now seen corresponding path program 1 times [2022-12-14 14:56:36,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:56:36,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637685705] [2022-12-14 14:56:36,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:56:36,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:56:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:56:36,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:56:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:56:36,205 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:56:36,206 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:56:36,207 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 38 remaining) [2022-12-14 14:56:36,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2022-12-14 14:56:36,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2022-12-14 14:56:36,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2022-12-14 14:56:36,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2022-12-14 14:56:36,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2022-12-14 14:56:36,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2022-12-14 14:56:36,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2022-12-14 14:56:36,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2022-12-14 14:56:36,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2022-12-14 14:56:36,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2022-12-14 14:56:36,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2022-12-14 14:56:36,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2022-12-14 14:56:36,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2022-12-14 14:56:36,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2022-12-14 14:56:36,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2022-12-14 14:56:36,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2022-12-14 14:56:36,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2022-12-14 14:56:36,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2022-12-14 14:56:36,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2022-12-14 14:56:36,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2022-12-14 14:56:36,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2022-12-14 14:56:36,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2022-12-14 14:56:36,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2022-12-14 14:56:36,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (13 of 38 remaining) [2022-12-14 14:56:36,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2022-12-14 14:56:36,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2022-12-14 14:56:36,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2022-12-14 14:56:36,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2022-12-14 14:56:36,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2022-12-14 14:56:36,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2022-12-14 14:56:36,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2022-12-14 14:56:36,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2022-12-14 14:56:36,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2022-12-14 14:56:36,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2022-12-14 14:56:36,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2022-12-14 14:56:36,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2022-12-14 14:56:36,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2022-12-14 14:56:36,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:56:36,219 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 14:56:36,221 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 14:56:36,221 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-14 14:56:36,261 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 14:56:36,270 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 14:56:36,270 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 259 places, 265 transitions, 542 flow [2022-12-14 14:56:36,270 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 259 places, 265 transitions, 542 flow [2022-12-14 14:56:36,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 259 places, 265 transitions, 542 flow [2022-12-14 14:56:36,325 INFO L130 PetriNetUnfolder]: 13/291 cut-off events. [2022-12-14 14:56:36,325 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 14:56:36,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 291 events. 13/291 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 561 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 192. Up to 6 conditions per place. [2022-12-14 14:56:36,334 INFO L119 LiptonReduction]: Number of co-enabled transitions 21360 [2022-12-14 14:56:41,309 INFO L134 LiptonReduction]: Checked pairs total: 248892 [2022-12-14 14:56:41,309 INFO L136 LiptonReduction]: Total number of compositions: 308 [2022-12-14 14:56:41,311 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 116 places, 117 transitions, 246 flow [2022-12-14 14:56:41,561 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 14659 states, 14126 states have (on average 3.008494973807164) internal successors, (42498), 14658 states have internal predecessors, (42498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:41,562 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:56:41,563 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;@4292784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:56:41,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-12-14 14:56:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 14659 states, 14126 states have (on average 3.008494973807164) internal successors, (42498), 14658 states have internal predecessors, (42498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 14:56:41,596 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:56:41,596 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 14:56:41,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 14:56:41,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:56:41,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1424, now seen corresponding path program 1 times [2022-12-14 14:56:41,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:56:41,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318123559] [2022-12-14 14:56:41,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:56:41,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:56:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:56:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:56:41,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:56:41,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318123559] [2022-12-14 14:56:41,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318123559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:56:41,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:56:41,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 14:56:41,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24555944] [2022-12-14 14:56:41,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:56:41,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:56:41,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:56:41,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:56:41,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:56:41,640 INFO L87 Difference]: Start difference. First operand has 14659 states, 14126 states have (on average 3.008494973807164) internal successors, (42498), 14658 states have internal predecessors, (42498), 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) [2022-12-14 14:56:41,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:56:41,805 INFO L93 Difference]: Finished difference Result 8572 states and 24279 transitions. [2022-12-14 14:56:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:56:41,805 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 [2022-12-14 14:56:41,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:56:41,860 INFO L225 Difference]: With dead ends: 8572 [2022-12-14 14:56:41,860 INFO L226 Difference]: Without dead ends: 8572 [2022-12-14 14:56:41,861 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 [2022-12-14 14:56:41,862 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:56:41,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:56:41,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8572 states. [2022-12-14 14:56:42,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8572 to 8572. [2022-12-14 14:56:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8572 states, 8508 states have (on average 2.853667136812412) internal successors, (24279), 8571 states have internal predecessors, (24279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8572 states to 8572 states and 24279 transitions. [2022-12-14 14:56:42,092 INFO L78 Accepts]: Start accepts. Automaton has 8572 states and 24279 transitions. Word has length 1 [2022-12-14 14:56:42,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:56:42,092 INFO L495 AbstractCegarLoop]: Abstraction has 8572 states and 24279 transitions. [2022-12-14 14:56:42,092 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) [2022-12-14 14:56:42,092 INFO L276 IsEmpty]: Start isEmpty. Operand 8572 states and 24279 transitions. [2022-12-14 14:56:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 14:56:42,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:56:42,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 14:56:42,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:56:42,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 14:56:42,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:56:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash -734683301, now seen corresponding path program 1 times [2022-12-14 14:56:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:56:42,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884505440] [2022-12-14 14:56:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:56:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:56:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:56:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:56:42,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:56:42,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884505440] [2022-12-14 14:56:42,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884505440] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:56:42,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:56:42,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:56:42,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820059049] [2022-12-14 14:56:42,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:56:42,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:56:42,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:56:42,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:56:42,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:56:42,148 INFO L87 Difference]: Start difference. First operand 8572 states and 24279 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:42,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:56:42,377 INFO L93 Difference]: Finished difference Result 14691 states and 41575 transitions. [2022-12-14 14:56:42,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:56:42,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-12-14 14:56:42,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:56:42,451 INFO L225 Difference]: With dead ends: 14691 [2022-12-14 14:56:42,451 INFO L226 Difference]: Without dead ends: 14691 [2022-12-14 14:56:42,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:56:42,452 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 75 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:56:42,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 85 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:56:42,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14691 states. [2022-12-14 14:56:42,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14691 to 8935. [2022-12-14 14:56:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8935 states, 8880 states have (on average 2.8462837837837838) internal successors, (25275), 8934 states have internal predecessors, (25275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8935 states to 8935 states and 25275 transitions. [2022-12-14 14:56:42,794 INFO L78 Accepts]: Start accepts. Automaton has 8935 states and 25275 transitions. Word has length 6 [2022-12-14 14:56:42,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:56:42,795 INFO L495 AbstractCegarLoop]: Abstraction has 8935 states and 25275 transitions. [2022-12-14 14:56:42,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:56:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 8935 states and 25275 transitions. [2022-12-14 14:56:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 14:56:42,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:56:42,796 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 14:56:42,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:56:42,797 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 14:56:42,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:56:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash -2142059614, now seen corresponding path program 1 times [2022-12-14 14:56:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:56:42,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074956090] [2022-12-14 14:56:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:56:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:56:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:56:42,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:56:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:56:42,831 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:56:42,831 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:56:42,831 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-12-14 14:56:42,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-12-14 14:56:42,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2022-12-14 14:56:42,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-12-14 14:56:42,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-12-14 14:56:42,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-12-14 14:56:42,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-12-14 14:56:42,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-12-14 14:56:42,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-12-14 14:56:42,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-12-14 14:56:42,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-12-14 14:56:42,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:56:42,836 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 14:56:42,837 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 14:56:42,837 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-14 14:56:42,862 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 14:56:42,864 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 14:56:42,864 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 355 transitions, 731 flow [2022-12-14 14:56:42,864 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 355 transitions, 731 flow [2022-12-14 14:56:42,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 355 transitions, 731 flow [2022-12-14 14:56:42,956 INFO L130 PetriNetUnfolder]: 18/395 cut-off events. [2022-12-14 14:56:42,956 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-14 14:56:42,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 395 events. 18/395 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1097 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 295. Up to 8 conditions per place. [2022-12-14 14:56:42,998 INFO L119 LiptonReduction]: Number of co-enabled transitions 56070 [2022-12-14 14:56:48,570 INFO L134 LiptonReduction]: Checked pairs total: 444344 [2022-12-14 14:56:48,570 INFO L136 LiptonReduction]: Total number of compositions: 340 [2022-12-14 14:56:48,571 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 167 places, 166 transitions, 353 flow [2022-12-14 14:57:00,867 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 718151 states, 709683 states have (on average 3.925902128133265) internal successors, (2786146), 718150 states have internal predecessors, (2786146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:57:00,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:57:00,869 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;@4292784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:57:00,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-12-14 14:57:01,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 718151 states, 709683 states have (on average 3.925902128133265) internal successors, (2786146), 718150 states have internal predecessors, (2786146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:57:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 14:57:01,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:57:01,705 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 14:57:01,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2022-12-14 14:57:01,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:57:01,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2239, now seen corresponding path program 1 times [2022-12-14 14:57:01,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:57:01,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136776686] [2022-12-14 14:57:01,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:57:01,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:57:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:57:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:57:01,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:57:01,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136776686] [2022-12-14 14:57:01,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136776686] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:57:01,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:57:01,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 14:57:01,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818551578] [2022-12-14 14:57:01,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:57:01,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:57:01,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:57:01,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:57:01,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:57:02,549 INFO L87 Difference]: Start difference. First operand has 718151 states, 709683 states have (on average 3.925902128133265) internal successors, (2786146), 718150 states have internal predecessors, (2786146), 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) [2022-12-14 14:57:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:57:07,002 INFO L93 Difference]: Finished difference Result 351496 states and 1355549 transitions. [2022-12-14 14:57:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:57:07,002 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 [2022-12-14 14:57:07,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:57:09,106 INFO L225 Difference]: With dead ends: 351496 [2022-12-14 14:57:09,106 INFO L226 Difference]: Without dead ends: 351496 [2022-12-14 14:57:09,107 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 [2022-12-14 14:57:09,108 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:57:09,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:57:09,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351496 states. [2022-12-14 14:57:17,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351496 to 351496. [2022-12-14 14:57:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351496 states, 350984 states have (on average 3.8621390148838692) internal successors, (1355549), 351495 states have internal predecessors, (1355549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:57:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351496 states to 351496 states and 1355549 transitions. [2022-12-14 14:57:20,488 INFO L78 Accepts]: Start accepts. Automaton has 351496 states and 1355549 transitions. Word has length 1 [2022-12-14 14:57:20,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:57:20,488 INFO L495 AbstractCegarLoop]: Abstraction has 351496 states and 1355549 transitions. [2022-12-14 14:57:20,488 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) [2022-12-14 14:57:20,488 INFO L276 IsEmpty]: Start isEmpty. Operand 351496 states and 1355549 transitions. [2022-12-14 14:57:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 14:57:20,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:57:20,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 14:57:20,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:57:20,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2022-12-14 14:57:20,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:57:20,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1752282085, now seen corresponding path program 1 times [2022-12-14 14:57:20,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:57:20,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379631199] [2022-12-14 14:57:20,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:57:20,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:57:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:57:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:57:20,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:57:20,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379631199] [2022-12-14 14:57:20,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379631199] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:57:20,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:57:20,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:57:20,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442984746] [2022-12-14 14:57:20,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:57:20,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:57:20,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:57:20,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:57:20,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:57:20,522 INFO L87 Difference]: Start difference. First operand 351496 states and 1355549 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:57:26,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:57:26,541 INFO L93 Difference]: Finished difference Result 667253 states and 2518581 transitions. [2022-12-14 14:57:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:57:26,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-12-14 14:57:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:57:30,257 INFO L225 Difference]: With dead ends: 667253 [2022-12-14 14:57:30,257 INFO L226 Difference]: Without dead ends: 667253 [2022-12-14 14:57:30,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:57:30,258 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 111 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:57:30,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 132 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:57:31,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667253 states. [2022-12-14 14:57:43,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667253 to 405559. [2022-12-14 14:57:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405559 states, 405074 states have (on average 3.8384369275737273) internal successors, (1554851), 405558 states have internal predecessors, (1554851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:57:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405559 states to 405559 states and 1554851 transitions. [2022-12-14 14:57:46,576 INFO L78 Accepts]: Start accepts. Automaton has 405559 states and 1554851 transitions. Word has length 6 [2022-12-14 14:57:46,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:57:46,576 INFO L495 AbstractCegarLoop]: Abstraction has 405559 states and 1554851 transitions. [2022-12-14 14:57:46,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:57:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 405559 states and 1554851 transitions. [2022-12-14 14:57:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:57:46,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:57:46,579 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-12-14 14:57:46,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:57:46,579 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2022-12-14 14:57:46,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:57:46,579 INFO L85 PathProgramCache]: Analyzing trace with hash -626255742, now seen corresponding path program 1 times [2022-12-14 14:57:46,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:57:46,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515060853] [2022-12-14 14:57:46,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:57:46,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:57:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:57:46,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:57:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:57:46,612 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:57:46,612 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:57:46,612 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 68 remaining) [2022-12-14 14:57:46,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (66 of 68 remaining) [2022-12-14 14:57:46,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (65 of 68 remaining) [2022-12-14 14:57:46,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (64 of 68 remaining) [2022-12-14 14:57:46,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (63 of 68 remaining) [2022-12-14 14:57:46,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (62 of 68 remaining) [2022-12-14 14:57:46,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (61 of 68 remaining) [2022-12-14 14:57:46,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (60 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (59 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (58 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (57 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (56 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (55 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (54 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (53 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (52 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (51 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (50 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (49 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (48 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (47 of 68 remaining) [2022-12-14 14:57:46,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (46 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (45 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (44 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (43 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (42 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (41 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (40 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (39 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (38 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (37 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (36 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (35 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (34 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (33 of 68 remaining) [2022-12-14 14:57:46,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (32 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (31 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (30 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (29 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (28 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (27 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (26 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (25 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (24 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (23 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (22 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (21 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (20 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (19 of 68 remaining) [2022-12-14 14:57:46,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (18 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (17 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (16 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (15 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (14 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (13 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (12 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (11 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (10 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (9 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (8 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (7 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (6 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (5 of 68 remaining) [2022-12-14 14:57:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (4 of 68 remaining) [2022-12-14 14:57:46,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONDATA_RACE (3 of 68 remaining) [2022-12-14 14:57:46,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONDATA_RACE (2 of 68 remaining) [2022-12-14 14:57:46,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONDATA_RACE (1 of 68 remaining) [2022-12-14 14:57:46,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONDATA_RACE (0 of 68 remaining) [2022-12-14 14:57:46,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:57:46,617 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 14:57:46,617 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 14:57:46,617 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-12-14 14:57:46,647 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 14:57:46,650 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 14:57:46,650 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 445 transitions, 922 flow [2022-12-14 14:57:46,650 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 445 transitions, 922 flow [2022-12-14 14:57:46,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 435 places, 445 transitions, 922 flow [2022-12-14 14:57:46,735 INFO L130 PetriNetUnfolder]: 23/499 cut-off events. [2022-12-14 14:57:46,735 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-14 14:57:46,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 499 events. 23/499 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1714 event pairs, 0 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 403. Up to 10 conditions per place. [2022-12-14 14:57:46,759 INFO L119 LiptonReduction]: Number of co-enabled transitions 106800 [2022-12-14 14:57:55,390 INFO L134 LiptonReduction]: Checked pairs total: 1334697 [2022-12-14 14:57:55,390 INFO L136 LiptonReduction]: Total number of compositions: 469 [2022-12-14 14:57:55,391 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 218 places, 219 transitions, 470 flow