./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e7e1d85f63f5db62c0766d87dec12398108cf8053838b2df867ce8148d55e54 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:35:38,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:35:38,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:35:38,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:35:38,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:35:38,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:35:38,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:35:38,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:35:38,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:35:38,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:35:38,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:35:38,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:35:38,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:35:38,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:35:38,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:35:38,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:35:38,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:35:38,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:35:38,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:35:38,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:35:38,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:35:38,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:35:38,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:35:38,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:35:38,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:35:38,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:35:38,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:35:38,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:35:38,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:35:38,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:35:38,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:35:38,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:35:38,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:35:38,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:35:38,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:35:38,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:35:38,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:35:38,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:35:38,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:35:38,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:35:38,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:35:38,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:35:38,175 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:35:38,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:35:38,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:35:38,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:35:38,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:35:38,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:35:38,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:35:38,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:35:38,180 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:35:38,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:35:38,181 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:35:38,181 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:35:38,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:35:38,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:35:38,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:35:38,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:35:38,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:35:38,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:35:38,183 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:35:38,183 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:35:38,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:35:38,183 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:35:38,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:35:38,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:35:38,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:35:38,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:35:38,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:35:38,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:35:38,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:35:38,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:35:38,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:35:38,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:35:38,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:35:38,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:35:38,186 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:35:38,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:35:38,186 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:35:38,186 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e7e1d85f63f5db62c0766d87dec12398108cf8053838b2df867ce8148d55e54 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:35:38,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:35:38,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:35:38,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:35:38,539 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:35:38,540 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:35:38,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2023-08-29 03:35:39,726 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:35:39,950 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:35:39,950 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2023-08-29 03:35:39,955 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46689e54d/2e2099c1f8ba43bf8835404116dd832e/FLAG23284cf8c [2023-08-29 03:35:39,966 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46689e54d/2e2099c1f8ba43bf8835404116dd832e [2023-08-29 03:35:39,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:35:39,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:35:39,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:35:39,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:35:39,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:35:39,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:35:39" (1/1) ... [2023-08-29 03:35:39,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20383e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:39, skipping insertion in model container [2023-08-29 03:35:39,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:35:39" (1/1) ... [2023-08-29 03:35:39,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:35:40,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:35:40,147 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3057,3070] [2023-08-29 03:35:40,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:35:40,160 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:35:40,191 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3057,3070] [2023-08-29 03:35:40,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:35:40,202 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:35:40,202 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:35:40,221 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:35:40,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40 WrapperNode [2023-08-29 03:35:40,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:35:40,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:35:40,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:35:40,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:35:40,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,284 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2023-08-29 03:35:40,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:35:40,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:35:40,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:35:40,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:35:40,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:35:40,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:35:40,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:35:40,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:35:40,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (1/1) ... [2023-08-29 03:35:40,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:35:40,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:35:40,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:35:40,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:35:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:35:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:35:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:35:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:35:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:35:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:35:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:35:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:35:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:35:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:35:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:35:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:35:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:35:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:35:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:35:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:35:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:35:40,427 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:35:40,548 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:35:40,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:35:41,205 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:35:41,401 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:35:41,402 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 03:35:41,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:35:41 BoogieIcfgContainer [2023-08-29 03:35:41,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:35:41,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:35:41,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:35:41,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:35:41,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:35:39" (1/3) ... [2023-08-29 03:35:41,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ac2b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:35:41, skipping insertion in model container [2023-08-29 03:35:41,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:35:40" (2/3) ... [2023-08-29 03:35:41,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ac2b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:35:41, skipping insertion in model container [2023-08-29 03:35:41,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:35:41" (3/3) ... [2023-08-29 03:35:41,413 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2023-08-29 03:35:41,420 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:35:41,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:35:41,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2023-08-29 03:35:41,428 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:35:41,518 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:35:41,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 313 places, 318 transitions, 660 flow [2023-08-29 03:35:41,655 INFO L130 PetriNetUnfolder]: 15/315 cut-off events. [2023-08-29 03:35:41,656 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:35:41,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 315 events. 15/315 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 461 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 262. Up to 2 conditions per place. [2023-08-29 03:35:41,664 INFO L82 GeneralOperation]: Start removeDead. Operand has 313 places, 318 transitions, 660 flow [2023-08-29 03:35:41,674 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 294 places, 298 transitions, 614 flow [2023-08-29 03:35:41,678 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:35:41,694 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 298 transitions, 614 flow [2023-08-29 03:35:41,697 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 298 transitions, 614 flow [2023-08-29 03:35:41,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 294 places, 298 transitions, 614 flow [2023-08-29 03:35:41,758 INFO L130 PetriNetUnfolder]: 14/298 cut-off events. [2023-08-29 03:35:41,760 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:35:41,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 298 events. 14/298 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 457 event pairs, 0 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 262. Up to 2 conditions per place. [2023-08-29 03:35:41,766 INFO L119 LiptonReduction]: Number of co-enabled transitions 4956 [2023-08-29 03:35:53,494 INFO L134 LiptonReduction]: Checked pairs total: 31686 [2023-08-29 03:35:53,495 INFO L136 LiptonReduction]: Total number of compositions: 330 [2023-08-29 03:35:53,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:35:53,513 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=PETRI_NET, 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;@5e6e82da, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:35:53,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 85 error locations. [2023-08-29 03:35:53,515 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:35:53,515 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:35:53,515 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:35:53,516 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:35:53,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-29 03:35:53,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:35:53,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1391, now seen corresponding path program 1 times [2023-08-29 03:35:53,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:35:53,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668250] [2023-08-29 03:35:53,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:35:53,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:35:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:35:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:35:53,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:35:53,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668250] [2023-08-29 03:35:53,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668250] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:35:53,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:35:53,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:35:53,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032540127] [2023-08-29 03:35:53,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:35:53,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:35:53,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:35:53,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:35:53,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:35:53,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 648 [2023-08-29 03:35:53,641 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 90 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 269.5) internal successors, (539), 2 states have internal predecessors, (539), 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) [2023-08-29 03:35:53,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:35:53,641 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 648 [2023-08-29 03:35:53,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:35:53,781 INFO L130 PetriNetUnfolder]: 278/722 cut-off events. [2023-08-29 03:35:53,782 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2023-08-29 03:35:53,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 722 events. 278/722 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4241 event pairs, 217 based on Foata normal form. 61/666 useless extension candidates. Maximal degree in co-relation 1061. Up to 432 conditions per place. [2023-08-29 03:35:53,788 INFO L137 encePairwiseOnDemand]: 597/648 looper letters, 21 selfloop transitions, 0 changer transitions 3/39 dead transitions. [2023-08-29 03:35:53,788 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 144 flow [2023-08-29 03:35:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:35:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:35:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 613 transitions. [2023-08-29 03:35:53,801 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4729938271604938 [2023-08-29 03:35:53,802 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 613 transitions. [2023-08-29 03:35:53,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 613 transitions. [2023-08-29 03:35:53,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:35:53,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 613 transitions. [2023-08-29 03:35:53,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 306.5) internal successors, (613), 2 states have internal predecessors, (613), 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) [2023-08-29 03:35:53,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 648.0) internal successors, (1944), 3 states have internal predecessors, (1944), 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) [2023-08-29 03:35:53,830 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 648.0) internal successors, (1944), 3 states have internal predecessors, (1944), 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) [2023-08-29 03:35:53,831 INFO L175 Difference]: Start difference. First operand has 95 places, 90 transitions, 198 flow. Second operand 2 states and 613 transitions. [2023-08-29 03:35:53,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 144 flow [2023-08-29 03:35:53,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 39 transitions, 132 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:35:53,837 INFO L231 Difference]: Finished difference. Result has 41 places, 36 transitions, 76 flow [2023-08-29 03:35:53,839 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=76, PETRI_PLACES=41, PETRI_TRANSITIONS=36} [2023-08-29 03:35:53,844 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -54 predicate places. [2023-08-29 03:35:53,847 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 76 flow [2023-08-29 03:35:53,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 269.5) internal successors, (539), 2 states have internal predecessors, (539), 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) [2023-08-29 03:35:53,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:35:53,848 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:35:53,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:35:53,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-29 03:35:53,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:35:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash -857746090, now seen corresponding path program 1 times [2023-08-29 03:35:53,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:35:53,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27021981] [2023-08-29 03:35:53,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:35:53,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:35:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:35:54,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:35:54,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:35:54,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27021981] [2023-08-29 03:35:54,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27021981] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:35:54,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:35:54,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:35:54,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180498570] [2023-08-29 03:35:54,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:35:54,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:35:54,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:35:54,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:35:54,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:35:54,047 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 648 [2023-08-29 03:35:54,048 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 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) [2023-08-29 03:35:54,049 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:35:54,049 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 648 [2023-08-29 03:35:54,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:35:54,187 INFO L130 PetriNetUnfolder]: 482/976 cut-off events. [2023-08-29 03:35:54,188 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-29 03:35:54,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1758 conditions, 976 events. 482/976 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4877 event pairs, 403 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 1755. Up to 736 conditions per place. [2023-08-29 03:35:54,192 INFO L137 encePairwiseOnDemand]: 645/648 looper letters, 23 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2023-08-29 03:35:54,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 34 transitions, 120 flow [2023-08-29 03:35:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:35:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:35:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 794 transitions. [2023-08-29 03:35:54,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40843621399176955 [2023-08-29 03:35:54,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 794 transitions. [2023-08-29 03:35:54,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 794 transitions. [2023-08-29 03:35:54,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:35:54,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 794 transitions. [2023-08-29 03:35:54,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.6666666666667) internal successors, (794), 3 states have internal predecessors, (794), 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) [2023-08-29 03:35:54,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-08-29 03:35:54,207 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-08-29 03:35:54,207 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 76 flow. Second operand 3 states and 794 transitions. [2023-08-29 03:35:54,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 34 transitions, 120 flow [2023-08-29 03:35:54,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 120 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:35:54,208 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 74 flow [2023-08-29 03:35:54,209 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2023-08-29 03:35:54,209 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -57 predicate places. [2023-08-29 03:35:54,209 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 74 flow [2023-08-29 03:35:54,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 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) [2023-08-29 03:35:54,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:35:54,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:35:54,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:35:54,211 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-29 03:35:54,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:35:54,211 INFO L85 PathProgramCache]: Analyzing trace with hash -136310503, now seen corresponding path program 1 times [2023-08-29 03:35:54,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:35:54,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004102420] [2023-08-29 03:35:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:35:54,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:35:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:35:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:35:54,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:35:54,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004102420] [2023-08-29 03:35:54,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004102420] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:35:54,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:35:54,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:35:54,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680949769] [2023-08-29 03:35:54,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:35:54,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:35:54,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:35:54,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:35:54,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:35:54,486 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 648 [2023-08-29 03:35:54,487 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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) [2023-08-29 03:35:54,487 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:35:54,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 648 [2023-08-29 03:35:54,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:35:54,587 INFO L130 PetriNetUnfolder]: 276/698 cut-off events. [2023-08-29 03:35:54,587 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 03:35:54,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1154 conditions, 698 events. 276/698 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4013 event pairs, 215 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 1150. Up to 425 conditions per place. [2023-08-29 03:35:54,590 INFO L137 encePairwiseOnDemand]: 645/648 looper letters, 20 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2023-08-29 03:35:54,591 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 120 flow [2023-08-29 03:35:54,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:35:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:35:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 818 transitions. [2023-08-29 03:35:54,593 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4207818930041152 [2023-08-29 03:35:54,594 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 818 transitions. [2023-08-29 03:35:54,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 818 transitions. [2023-08-29 03:35:54,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:35:54,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 818 transitions. [2023-08-29 03:35:54,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.6666666666667) internal successors, (818), 3 states have internal predecessors, (818), 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) [2023-08-29 03:35:54,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-08-29 03:35:54,601 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-08-29 03:35:54,601 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 74 flow. Second operand 3 states and 818 transitions. [2023-08-29 03:35:54,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 120 flow [2023-08-29 03:35:54,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 35 transitions, 119 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:35:54,602 INFO L231 Difference]: Finished difference. Result has 40 places, 35 transitions, 85 flow [2023-08-29 03:35:54,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=40, PETRI_TRANSITIONS=35} [2023-08-29 03:35:54,603 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -55 predicate places. [2023-08-29 03:35:54,603 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 35 transitions, 85 flow [2023-08-29 03:35:54,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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) [2023-08-29 03:35:54,604 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:35:54,604 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:35:54,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:35:54,605 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-29 03:35:54,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:35:54,605 INFO L85 PathProgramCache]: Analyzing trace with hash 441555738, now seen corresponding path program 1 times [2023-08-29 03:35:54,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:35:54,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975361324] [2023-08-29 03:35:54,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:35:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:35:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:35:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:35:54,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:35:54,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975361324] [2023-08-29 03:35:54,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975361324] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:35:54,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:35:54,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:35:54,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425490173] [2023-08-29 03:35:54,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:35:54,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:35:55,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:35:55,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:35:55,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:35:55,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 648 [2023-08-29 03:35:55,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 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) [2023-08-29 03:35:55,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:35:55,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 648 [2023-08-29 03:35:55,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:35:55,539 INFO L130 PetriNetUnfolder]: 676/1058 cut-off events. [2023-08-29 03:35:55,540 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:35:55,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2080 conditions, 1058 events. 676/1058 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4368 event pairs, 113 based on Foata normal form. 0/974 useless extension candidates. Maximal degree in co-relation 2075. Up to 320 conditions per place. [2023-08-29 03:35:55,546 INFO L137 encePairwiseOnDemand]: 643/648 looper letters, 62 selfloop transitions, 4 changer transitions 0/74 dead transitions. [2023-08-29 03:35:55,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 74 transitions, 295 flow [2023-08-29 03:35:55,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:35:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:35:55,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1602 transitions. [2023-08-29 03:35:55,551 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41203703703703703 [2023-08-29 03:35:55,551 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1602 transitions. [2023-08-29 03:35:55,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1602 transitions. [2023-08-29 03:35:55,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:35:55,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1602 transitions. [2023-08-29 03:35:55,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 267.0) internal successors, (1602), 6 states have internal predecessors, (1602), 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) [2023-08-29 03:35:55,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-08-29 03:35:55,563 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-08-29 03:35:55,564 INFO L175 Difference]: Start difference. First operand has 40 places, 35 transitions, 85 flow. Second operand 6 states and 1602 transitions. [2023-08-29 03:35:55,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 74 transitions, 295 flow [2023-08-29 03:35:55,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 74 transitions, 291 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 03:35:55,567 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 87 flow [2023-08-29 03:35:55,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=87, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2023-08-29 03:35:55,568 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -52 predicate places. [2023-08-29 03:35:55,568 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 87 flow [2023-08-29 03:35:55,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 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) [2023-08-29 03:35:55,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:35:55,569 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:35:55,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:35:55,570 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-29 03:35:55,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:35:55,570 INFO L85 PathProgramCache]: Analyzing trace with hash 539674879, now seen corresponding path program 1 times [2023-08-29 03:35:55,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:35:55,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024039295] [2023-08-29 03:35:55,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:35:55,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:35:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:35:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:35:55,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:35:55,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024039295] [2023-08-29 03:35:55,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024039295] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:35:55,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:35:55,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:35:55,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473450629] [2023-08-29 03:35:55,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:35:55,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 03:35:55,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:35:55,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 03:35:55,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 03:35:55,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 648 [2023-08-29 03:35:55,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 87 flow. Second operand has 4 states, 4 states have (on average 267.5) internal successors, (1070), 4 states have internal predecessors, (1070), 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) [2023-08-29 03:35:55,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:35:55,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 648 [2023-08-29 03:35:55,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:35:55,815 INFO L130 PetriNetUnfolder]: 376/836 cut-off events. [2023-08-29 03:35:55,815 INFO L131 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2023-08-29 03:35:55,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1634 conditions, 836 events. 376/836 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4504 event pairs, 215 based on Foata normal form. 0/772 useless extension candidates. Maximal degree in co-relation 1629. Up to 425 conditions per place. [2023-08-29 03:35:55,820 INFO L137 encePairwiseOnDemand]: 644/648 looper letters, 31 selfloop transitions, 3 changer transitions 0/46 dead transitions. [2023-08-29 03:35:55,820 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 46 transitions, 183 flow [2023-08-29 03:35:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 03:35:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 03:35:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1090 transitions. [2023-08-29 03:35:55,824 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42052469135802467 [2023-08-29 03:35:55,824 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1090 transitions. [2023-08-29 03:35:55,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1090 transitions. [2023-08-29 03:35:55,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:35:55,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1090 transitions. [2023-08-29 03:35:55,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 272.5) internal successors, (1090), 4 states have internal predecessors, (1090), 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) [2023-08-29 03:35:55,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 648.0) internal successors, (3240), 5 states have internal predecessors, (3240), 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) [2023-08-29 03:35:55,833 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 648.0) internal successors, (3240), 5 states have internal predecessors, (3240), 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) [2023-08-29 03:35:55,834 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 87 flow. Second operand 4 states and 1090 transitions. [2023-08-29 03:35:55,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 46 transitions, 183 flow [2023-08-29 03:35:55,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 46 transitions, 174 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:35:55,838 INFO L231 Difference]: Finished difference. Result has 43 places, 35 transitions, 94 flow [2023-08-29 03:35:55,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2023-08-29 03:35:55,840 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -52 predicate places. [2023-08-29 03:35:55,841 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 94 flow [2023-08-29 03:35:55,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 267.5) internal successors, (1070), 4 states have internal predecessors, (1070), 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) [2023-08-29 03:35:55,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:35:55,842 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:35:55,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:35:55,843 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-29 03:35:55,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:35:55,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1590669623, now seen corresponding path program 1 times [2023-08-29 03:35:55,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:35:55,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853932994] [2023-08-29 03:35:55,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:35:55,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:35:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:35:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:35:56,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:35:56,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853932994] [2023-08-29 03:35:56,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853932994] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:35:56,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:35:56,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:35:56,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256489814] [2023-08-29 03:35:56,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:35:56,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:35:56,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:35:56,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:35:56,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:35:56,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 648 [2023-08-29 03:35:56,447 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 94 flow. Second operand has 6 states, 6 states have (on average 259.3333333333333) internal successors, (1556), 6 states have internal predecessors, (1556), 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) [2023-08-29 03:35:56,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:35:56,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 648 [2023-08-29 03:35:56,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:35:56,693 INFO L130 PetriNetUnfolder]: 424/838 cut-off events. [2023-08-29 03:35:56,693 INFO L131 PetriNetUnfolder]: For 131/155 co-relation queries the response was YES. [2023-08-29 03:35:56,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1704 conditions, 838 events. 424/838 cut-off events. For 131/155 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4171 event pairs, 293 based on Foata normal form. 0/810 useless extension candidates. Maximal degree in co-relation 1698. Up to 558 conditions per place. [2023-08-29 03:35:56,696 INFO L137 encePairwiseOnDemand]: 643/648 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2023-08-29 03:35:56,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 54 transitions, 226 flow [2023-08-29 03:35:56,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:35:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:35:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1582 transitions. [2023-08-29 03:35:56,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40689300411522633 [2023-08-29 03:35:56,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1582 transitions. [2023-08-29 03:35:56,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1582 transitions. [2023-08-29 03:35:56,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:35:56,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1582 transitions. [2023-08-29 03:35:56,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 263.6666666666667) internal successors, (1582), 6 states have internal predecessors, (1582), 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) [2023-08-29 03:35:56,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-08-29 03:35:56,711 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-08-29 03:35:56,711 INFO L175 Difference]: Start difference. First operand has 43 places, 35 transitions, 94 flow. Second operand 6 states and 1582 transitions. [2023-08-29 03:35:56,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 54 transitions, 226 flow [2023-08-29 03:35:56,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 54 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 03:35:56,712 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2023-08-29 03:35:56,713 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2023-08-29 03:35:56,713 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -50 predicate places. [2023-08-29 03:35:56,713 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2023-08-29 03:35:56,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 259.3333333333333) internal successors, (1556), 6 states have internal predecessors, (1556), 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) [2023-08-29 03:35:56,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (84 of 85 remaining) [2023-08-29 03:35:56,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (83 of 85 remaining) [2023-08-29 03:35:56,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (82 of 85 remaining) [2023-08-29 03:35:56,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (81 of 85 remaining) [2023-08-29 03:35:56,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (80 of 85 remaining) [2023-08-29 03:35:56,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (79 of 85 remaining) [2023-08-29 03:35:56,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (78 of 85 remaining) [2023-08-29 03:35:56,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (77 of 85 remaining) [2023-08-29 03:35:56,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (76 of 85 remaining) [2023-08-29 03:35:56,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 85 remaining) [2023-08-29 03:35:56,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (74 of 85 remaining) [2023-08-29 03:35:56,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (73 of 85 remaining) [2023-08-29 03:35:56,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 85 remaining) [2023-08-29 03:35:56,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 85 remaining) [2023-08-29 03:35:56,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 85 remaining) [2023-08-29 03:35:56,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 85 remaining) [2023-08-29 03:35:56,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 85 remaining) [2023-08-29 03:35:56,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 85 remaining) [2023-08-29 03:35:56,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 85 remaining) [2023-08-29 03:35:56,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 85 remaining) [2023-08-29 03:35:56,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (64 of 85 remaining) [2023-08-29 03:35:56,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (63 of 85 remaining) [2023-08-29 03:35:56,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 85 remaining) [2023-08-29 03:35:56,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (61 of 85 remaining) [2023-08-29 03:35:56,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (60 of 85 remaining) [2023-08-29 03:35:56,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (59 of 85 remaining) [2023-08-29 03:35:56,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (58 of 85 remaining) [2023-08-29 03:35:56,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (57 of 85 remaining) [2023-08-29 03:35:56,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (56 of 85 remaining) [2023-08-29 03:35:56,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 85 remaining) [2023-08-29 03:35:56,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 85 remaining) [2023-08-29 03:35:56,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 85 remaining) [2023-08-29 03:35:56,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 85 remaining) [2023-08-29 03:35:56,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 85 remaining) [2023-08-29 03:35:56,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 85 remaining) [2023-08-29 03:35:56,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 85 remaining) [2023-08-29 03:35:56,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 85 remaining) [2023-08-29 03:35:56,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 85 remaining) [2023-08-29 03:35:56,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (46 of 85 remaining) [2023-08-29 03:35:56,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (45 of 85 remaining) [2023-08-29 03:35:56,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (44 of 85 remaining) [2023-08-29 03:35:56,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (43 of 85 remaining) [2023-08-29 03:35:56,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (42 of 85 remaining) [2023-08-29 03:35:56,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (41 of 85 remaining) [2023-08-29 03:35:56,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (40 of 85 remaining) [2023-08-29 03:35:56,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (39 of 85 remaining) [2023-08-29 03:35:56,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (38 of 85 remaining) [2023-08-29 03:35:56,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (37 of 85 remaining) [2023-08-29 03:35:56,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (36 of 85 remaining) [2023-08-29 03:35:56,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (35 of 85 remaining) [2023-08-29 03:35:56,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (34 of 85 remaining) [2023-08-29 03:35:56,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (33 of 85 remaining) [2023-08-29 03:35:56,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (32 of 85 remaining) [2023-08-29 03:35:56,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 85 remaining) [2023-08-29 03:35:56,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 85 remaining) [2023-08-29 03:35:56,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 85 remaining) [2023-08-29 03:35:56,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 85 remaining) [2023-08-29 03:35:56,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 85 remaining) [2023-08-29 03:35:56,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 85 remaining) [2023-08-29 03:35:56,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 85 remaining) [2023-08-29 03:35:56,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 85 remaining) [2023-08-29 03:35:56,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 85 remaining) [2023-08-29 03:35:56,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (22 of 85 remaining) [2023-08-29 03:35:56,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (21 of 85 remaining) [2023-08-29 03:35:56,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 85 remaining) [2023-08-29 03:35:56,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 85 remaining) [2023-08-29 03:35:56,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 85 remaining) [2023-08-29 03:35:56,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (17 of 85 remaining) [2023-08-29 03:35:56,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 85 remaining) [2023-08-29 03:35:56,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 85 remaining) [2023-08-29 03:35:56,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 85 remaining) [2023-08-29 03:35:56,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 85 remaining) [2023-08-29 03:35:56,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 85 remaining) [2023-08-29 03:35:56,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 85 remaining) [2023-08-29 03:35:56,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 85 remaining) [2023-08-29 03:35:56,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 85 remaining) [2023-08-29 03:35:56,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 85 remaining) [2023-08-29 03:35:56,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (7 of 85 remaining) [2023-08-29 03:35:56,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 85 remaining) [2023-08-29 03:35:56,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (5 of 85 remaining) [2023-08-29 03:35:56,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 85 remaining) [2023-08-29 03:35:56,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 85 remaining) [2023-08-29 03:35:56,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 85 remaining) [2023-08-29 03:35:56,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 85 remaining) [2023-08-29 03:35:56,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 85 remaining) [2023-08-29 03:35:56,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:35:56,733 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-29 03:35:56,737 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:35:56,738 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:35:56,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:35:56 BasicIcfg [2023-08-29 03:35:56,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:35:56,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:35:56,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:35:56,741 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:35:56,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:35:41" (3/4) ... [2023-08-29 03:35:56,744 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:35:56,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:35:56,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:35:56,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:35:56,754 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-08-29 03:35:56,754 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:35:56,755 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:35:56,755 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:35:56,799 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:35:56,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:35:56,800 INFO L158 Benchmark]: Toolchain (without parser) took 16830.08ms. Allocated memory was 65.0MB in the beginning and 142.6MB in the end (delta: 77.6MB). Free memory was 42.2MB in the beginning and 109.5MB in the end (delta: -67.3MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2023-08-29 03:35:56,800 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:35:56,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.60ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 42.0MB in the beginning and 58.8MB in the end (delta: -16.7MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-08-29 03:35:56,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.98ms. Allocated memory is still 79.7MB. Free memory was 58.8MB in the beginning and 56.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:35:56,801 INFO L158 Benchmark]: Boogie Preprocessor took 68.21ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 53.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:35:56,801 INFO L158 Benchmark]: RCFGBuilder took 1051.35ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 40.5MB in the end (delta: 13.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-08-29 03:35:56,802 INFO L158 Benchmark]: TraceAbstraction took 15334.09ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 40.0MB in the beginning and 32.5MB in the end (delta: 7.5MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2023-08-29 03:35:56,802 INFO L158 Benchmark]: Witness Printer took 58.28ms. Allocated memory is still 142.6MB. Free memory was 32.5MB in the beginning and 109.5MB in the end (delta: -77.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 03:35:56,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.60ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 42.0MB in the beginning and 58.8MB in the end (delta: -16.7MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.98ms. Allocated memory is still 79.7MB. Free memory was 58.8MB in the beginning and 56.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.21ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 53.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1051.35ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 40.5MB in the end (delta: 13.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * TraceAbstraction took 15334.09ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 40.0MB in the beginning and 32.5MB in the end (delta: 7.5MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Witness Printer took 58.28ms. Allocated memory is still 142.6MB. Free memory was 32.5MB in the beginning and 109.5MB in the end (delta: -77.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.8s, 294 PlacesBefore, 95 PlacesAfterwards, 298 TransitionsBefore, 90 TransitionsAfterwards, 4956 CoEnabledTransitionPairs, 9 FixpointIterations, 240 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 31 TrivialYvCompositions, 7 ConcurrentYvCompositions, 9 ChoiceCompositions, 330 TotalNumberOfCompositions, 31686 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10829, independent: 10096, independent conditional: 0, independent unconditional: 10096, dependent: 733, dependent conditional: 0, dependent unconditional: 733, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2126, independent: 2048, independent conditional: 0, independent unconditional: 2048, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10829, independent: 8048, independent conditional: 0, independent unconditional: 8048, dependent: 655, dependent conditional: 0, dependent unconditional: 655, unknown: 2126, unknown conditional: 0, unknown unconditional: 2126] , Statistics on independence cache: Total cache size (in pairs): 512, Positive cache size: 466, Positive conditional cache size: 0, Positive unconditional cache size: 466, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 366 locations, 85 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 384 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 867 IncrementalHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 156 mSolverCounterUnsat, 35 mSDtfsCounter, 867 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 53 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:35:56,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE