./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.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/popl20-horseshoe.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 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 --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 03:41:56,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:41:56,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:41:56,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:41:56,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:41:56,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:41:56,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:41:56,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:41:56,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:41:56,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:41:56,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:41:56,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:41:56,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:41:56,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:41:56,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:41:56,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:41:56,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:41:56,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:41:56,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:41:56,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:41:56,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:41:56,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:41:56,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:41:56,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:41:56,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:41:56,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:41:56,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:41:56,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:41:56,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:41:56,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:41:56,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:41:56,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:41:56,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:41:56,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:41:56,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:41:56,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:41:56,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:41:56,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:41:56,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:41:56,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:41:56,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:41:56,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:41:56,157 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:41:56,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:41:56,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:41:56,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:41:56,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:41:56,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:41:56,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:41:56,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:41:56,160 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:41:56,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:41:56,161 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:41:56,162 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:41:56,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:41:56,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:41:56,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:41:56,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:41:56,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:41:56,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:41:56,163 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:41:56,163 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:41:56,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:41:56,164 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:41:56,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:41:56,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:41:56,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:41:56,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:41:56,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:41:56,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:41:56,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:41:56,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:41:56,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:41:56,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:41:56,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:41:56,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:41:56,167 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:41:56,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:41:56,167 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:41:56,167 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:41:56,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:41:56,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:41:56,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:41:56,496 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:41:56,496 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:41:56,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-08-29 03:41:57,617 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:41:57,811 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:41:57,811 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-08-29 03:41:57,819 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b68a6e1/b6f726c38d974dcab65dd1dd02e6020f/FLAG75dc222a8 [2023-08-29 03:41:57,831 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b68a6e1/b6f726c38d974dcab65dd1dd02e6020f [2023-08-29 03:41:57,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:41:57,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:41:57,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:41:57,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:41:57,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:41:57,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:41:57" (1/1) ... [2023-08-29 03:41:57,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f756d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:57, skipping insertion in model container [2023-08-29 03:41:57,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:41:57" (1/1) ... [2023-08-29 03:41:57,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:41:57,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:41:58,024 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/popl20-horseshoe.wvr.c[3424,3437] [2023-08-29 03:41:58,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:41:58,036 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:41:58,066 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/popl20-horseshoe.wvr.c[3424,3437] [2023-08-29 03:41:58,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:41:58,076 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:41:58,076 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:41:58,082 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:41:58,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58 WrapperNode [2023-08-29 03:41:58,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:41:58,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:41:58,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:41:58,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:41:58,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,140 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 486 [2023-08-29 03:41:58,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:41:58,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:41:58,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:41:58,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:41:58,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:41:58,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:41:58,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:41:58,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:41:58,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (1/1) ... [2023-08-29 03:41:58,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:41:58,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:41:58,230 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 03:41:58,243 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 03:41:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:41:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:41:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:41:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:41:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:41:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:41:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:41:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:41:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:41:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:41:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:41:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:41:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:41:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:41:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:41:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:41:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:41:58,298 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 03:41:58,444 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:41:58,458 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:41:59,167 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:41:59,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:41:59,559 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-29 03:41:59,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:41:59 BoogieIcfgContainer [2023-08-29 03:41:59,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:41:59,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:41:59,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:41:59,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:41:59,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:41:57" (1/3) ... [2023-08-29 03:41:59,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e27740a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:41:59, skipping insertion in model container [2023-08-29 03:41:59,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:41:58" (2/3) ... [2023-08-29 03:41:59,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e27740a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:41:59, skipping insertion in model container [2023-08-29 03:41:59,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:41:59" (3/3) ... [2023-08-29 03:41:59,571 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2023-08-29 03:41:59,579 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:41:59,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:41:59,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-08-29 03:41:59,589 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:41:59,749 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:41:59,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 354 places, 362 transitions, 748 flow [2023-08-29 03:41:59,948 INFO L130 PetriNetUnfolder]: 18/359 cut-off events. [2023-08-29 03:41:59,948 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:41:59,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 359 events. 18/359 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 535 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 283. Up to 3 conditions per place. [2023-08-29 03:41:59,957 INFO L82 GeneralOperation]: Start removeDead. Operand has 354 places, 362 transitions, 748 flow [2023-08-29 03:41:59,965 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 342 transitions, 702 flow [2023-08-29 03:41:59,969 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:41:59,988 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 342 transitions, 702 flow [2023-08-29 03:41:59,996 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 342 transitions, 702 flow [2023-08-29 03:42:00,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 342 transitions, 702 flow [2023-08-29 03:42:00,064 INFO L130 PetriNetUnfolder]: 17/342 cut-off events. [2023-08-29 03:42:00,065 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:42:00,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 342 events. 17/342 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 534 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 283. Up to 3 conditions per place. [2023-08-29 03:42:00,075 INFO L119 LiptonReduction]: Number of co-enabled transitions 10520 [2023-08-29 03:42:11,686 INFO L134 LiptonReduction]: Checked pairs total: 35594 [2023-08-29 03:42:11,686 INFO L136 LiptonReduction]: Total number of compositions: 362 [2023-08-29 03:42:11,699 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:42:11,735 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;@7ec24c24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:42:11,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2023-08-29 03:42:11,737 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:42:11,737 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:42:11,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:11,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:42:11,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-08-29 03:42:11,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1909, now seen corresponding path program 1 times [2023-08-29 03:42:11,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:11,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219257284] [2023-08-29 03:42:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:11,896 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 03:42:11,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:11,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219257284] [2023-08-29 03:42:11,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219257284] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:11,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:11,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:42:11,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069018118] [2023-08-29 03:42:11,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:11,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:42:11,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:11,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:42:11,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:42:11,937 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 724 [2023-08-29 03:42:11,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 109 transitions, 236 flow. Second operand has 2 states, 2 states have (on average 293.5) internal successors, (587), 2 states have internal predecessors, (587), 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 03:42:11,943 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:11,943 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 724 [2023-08-29 03:42:11,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:12,125 INFO L130 PetriNetUnfolder]: 324/595 cut-off events. [2023-08-29 03:42:12,126 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2023-08-29 03:42:12,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1099 conditions, 595 events. 324/595 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2380 event pairs, 167 based on Foata normal form. 1/405 useless extension candidates. Maximal degree in co-relation 799. Up to 452 conditions per place. [2023-08-29 03:42:12,131 INFO L137 encePairwiseOnDemand]: 656/724 looper letters, 22 selfloop transitions, 0 changer transitions 1/41 dead transitions. [2023-08-29 03:42:12,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 41 transitions, 146 flow [2023-08-29 03:42:12,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:42:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:42:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 677 transitions. [2023-08-29 03:42:12,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4675414364640884 [2023-08-29 03:42:12,150 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 677 transitions. [2023-08-29 03:42:12,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 677 transitions. [2023-08-29 03:42:12,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:12,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 677 transitions. [2023-08-29 03:42:12,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 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 03:42:12,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 724.0) internal successors, (2172), 3 states have internal predecessors, (2172), 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 03:42:12,169 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 724.0) internal successors, (2172), 3 states have internal predecessors, (2172), 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 03:42:12,170 INFO L175 Difference]: Start difference. First operand has 113 places, 109 transitions, 236 flow. Second operand 2 states and 677 transitions. [2023-08-29 03:42:12,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 41 transitions, 146 flow [2023-08-29 03:42:12,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 41 transitions, 134 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:42:12,175 INFO L231 Difference]: Finished difference. Result has 41 places, 40 transitions, 85 flow [2023-08-29 03:42:12,178 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=724, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=85, PETRI_PLACES=41, PETRI_TRANSITIONS=40} [2023-08-29 03:42:12,182 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -72 predicate places. [2023-08-29 03:42:12,183 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 40 transitions, 85 flow [2023-08-29 03:42:12,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 293.5) internal successors, (587), 2 states have internal predecessors, (587), 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 03:42:12,184 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:12,184 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:12,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:42:12,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-08-29 03:42:12,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:12,185 INFO L85 PathProgramCache]: Analyzing trace with hash 2127564851, now seen corresponding path program 1 times [2023-08-29 03:42:12,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:12,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981878814] [2023-08-29 03:42:12,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:12,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:12,847 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 03:42:12,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:12,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981878814] [2023-08-29 03:42:12,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981878814] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:12,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:12,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:42:12,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623001066] [2023-08-29 03:42:12,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:12,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:42:12,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:12,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:42:12,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:42:13,021 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 724 [2023-08-29 03:42:13,023 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 40 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 278.1666666666667) internal successors, (1669), 6 states have internal predecessors, (1669), 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 03:42:13,023 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:13,023 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 724 [2023-08-29 03:42:13,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:13,482 INFO L130 PetriNetUnfolder]: 852/1206 cut-off events. [2023-08-29 03:42:13,483 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:42:13,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2347 conditions, 1206 events. 852/1206 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4360 event pairs, 60 based on Foata normal form. 0/807 useless extension candidates. Maximal degree in co-relation 2344. Up to 430 conditions per place. [2023-08-29 03:42:13,488 INFO L137 encePairwiseOnDemand]: 719/724 looper letters, 50 selfloop transitions, 4 changer transitions 0/67 dead transitions. [2023-08-29 03:42:13,489 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 67 transitions, 247 flow [2023-08-29 03:42:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:42:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:42:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1711 transitions. [2023-08-29 03:42:13,494 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39387661141804786 [2023-08-29 03:42:13,494 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1711 transitions. [2023-08-29 03:42:13,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1711 transitions. [2023-08-29 03:42:13,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:13,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1711 transitions. [2023-08-29 03:42:13,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 285.1666666666667) internal successors, (1711), 6 states have internal predecessors, (1711), 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 03:42:13,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 724.0) internal successors, (5068), 7 states have internal predecessors, (5068), 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 03:42:13,508 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 724.0) internal successors, (5068), 7 states have internal predecessors, (5068), 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 03:42:13,508 INFO L175 Difference]: Start difference. First operand has 41 places, 40 transitions, 85 flow. Second operand 6 states and 1711 transitions. [2023-08-29 03:42:13,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 67 transitions, 247 flow [2023-08-29 03:42:13,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 67 transitions, 247 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:42:13,510 INFO L231 Difference]: Finished difference. Result has 44 places, 39 transitions, 91 flow [2023-08-29 03:42:13,511 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=724, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=91, PETRI_PLACES=44, PETRI_TRANSITIONS=39} [2023-08-29 03:42:13,511 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -69 predicate places. [2023-08-29 03:42:13,512 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 39 transitions, 91 flow [2023-08-29 03:42:13,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 278.1666666666667) internal successors, (1669), 6 states have internal predecessors, (1669), 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 03:42:13,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:13,513 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] [2023-08-29 03:42:13,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:42:13,514 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-08-29 03:42:13,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1786310533, now seen corresponding path program 1 times [2023-08-29 03:42:13,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:13,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65917557] [2023-08-29 03:42:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:13,660 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 03:42:13,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:13,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65917557] [2023-08-29 03:42:13,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65917557] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:13,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:13,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:42:13,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121631036] [2023-08-29 03:42:13,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:13,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 03:42:13,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:13,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 03:42:13,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 03:42:13,740 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 724 [2023-08-29 03:42:13,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 91 flow. Second operand has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 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 03:42:13,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:13,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 724 [2023-08-29 03:42:13,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:13,899 INFO L130 PetriNetUnfolder]: 330/681 cut-off events. [2023-08-29 03:42:13,900 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2023-08-29 03:42:13,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 681 events. 330/681 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3076 event pairs, 168 based on Foata normal form. 30/530 useless extension candidates. Maximal degree in co-relation 1299. Up to 447 conditions per place. [2023-08-29 03:42:13,903 INFO L137 encePairwiseOnDemand]: 717/724 looper letters, 21 selfloop transitions, 2 changer transitions 21/61 dead transitions. [2023-08-29 03:42:13,904 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 61 transitions, 233 flow [2023-08-29 03:42:13,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:42:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:42:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1465 transitions. [2023-08-29 03:42:13,929 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4046961325966851 [2023-08-29 03:42:13,929 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1465 transitions. [2023-08-29 03:42:13,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1465 transitions. [2023-08-29 03:42:13,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:13,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1465 transitions. [2023-08-29 03:42:13,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 293.0) internal successors, (1465), 5 states have internal predecessors, (1465), 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 03:42:13,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 724.0) internal successors, (4344), 6 states have internal predecessors, (4344), 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 03:42:13,941 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 724.0) internal successors, (4344), 6 states have internal predecessors, (4344), 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 03:42:13,942 INFO L175 Difference]: Start difference. First operand has 44 places, 39 transitions, 91 flow. Second operand 5 states and 1465 transitions. [2023-08-29 03:42:13,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 61 transitions, 233 flow [2023-08-29 03:42:13,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 61 transitions, 222 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:42:13,945 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 110 flow [2023-08-29 03:42:13,945 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=724, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=110, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2023-08-29 03:42:13,946 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -66 predicate places. [2023-08-29 03:42:13,946 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 110 flow [2023-08-29 03:42:13,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 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 03:42:13,947 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:13,947 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] [2023-08-29 03:42:13,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:42:13,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-08-29 03:42:13,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:13,948 INFO L85 PathProgramCache]: Analyzing trace with hash -312473381, now seen corresponding path program 1 times [2023-08-29 03:42:13,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:13,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270519820] [2023-08-29 03:42:13,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:13,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:14,315 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 03:42:14,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:14,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270519820] [2023-08-29 03:42:14,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270519820] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:14,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:14,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:42:14,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180744172] [2023-08-29 03:42:14,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:14,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:42:14,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:14,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:42:14,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:42:14,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 724 [2023-08-29 03:42:14,459 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 110 flow. Second operand has 6 states, 6 states have (on average 278.8333333333333) internal successors, (1673), 6 states have internal predecessors, (1673), 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 03:42:14,459 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:14,459 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 724 [2023-08-29 03:42:14,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:14,788 INFO L130 PetriNetUnfolder]: 436/683 cut-off events. [2023-08-29 03:42:14,789 INFO L131 PetriNetUnfolder]: For 384/384 co-relation queries the response was YES. [2023-08-29 03:42:14,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1741 conditions, 683 events. 436/683 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2405 event pairs, 146 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 1734. Up to 398 conditions per place. [2023-08-29 03:42:14,793 INFO L137 encePairwiseOnDemand]: 719/724 looper letters, 43 selfloop transitions, 4 changer transitions 0/59 dead transitions. [2023-08-29 03:42:14,793 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 59 transitions, 258 flow [2023-08-29 03:42:14,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:42:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:42:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1703 transitions. [2023-08-29 03:42:14,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39203499079189685 [2023-08-29 03:42:14,798 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1703 transitions. [2023-08-29 03:42:14,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1703 transitions. [2023-08-29 03:42:14,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:14,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1703 transitions. [2023-08-29 03:42:14,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 283.8333333333333) internal successors, (1703), 6 states have internal predecessors, (1703), 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 03:42:14,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 724.0) internal successors, (5068), 7 states have internal predecessors, (5068), 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 03:42:14,812 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 724.0) internal successors, (5068), 7 states have internal predecessors, (5068), 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 03:42:14,812 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 110 flow. Second operand 6 states and 1703 transitions. [2023-08-29 03:42:14,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 59 transitions, 258 flow [2023-08-29 03:42:14,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 59 transitions, 238 flow, removed 9 selfloop flow, removed 2 redundant places. [2023-08-29 03:42:14,815 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 104 flow [2023-08-29 03:42:14,815 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=724, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=104, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2023-08-29 03:42:14,816 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -66 predicate places. [2023-08-29 03:42:14,816 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 104 flow [2023-08-29 03:42:14,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 278.8333333333333) internal successors, (1673), 6 states have internal predecessors, (1673), 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 03:42:14,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:14,817 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:14,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:42:14,818 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-08-29 03:42:14,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:14,818 INFO L85 PathProgramCache]: Analyzing trace with hash -8202684, now seen corresponding path program 1 times [2023-08-29 03:42:14,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:14,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381770981] [2023-08-29 03:42:14,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:14,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:14,957 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 03:42:14,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:14,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381770981] [2023-08-29 03:42:14,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381770981] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:14,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:14,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 03:42:14,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130806229] [2023-08-29 03:42:14,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:14,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 03:42:14,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:14,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 03:42:14,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 03:42:15,053 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 724 [2023-08-29 03:42:15,054 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 287.25) internal successors, (1149), 4 states have internal predecessors, (1149), 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 03:42:15,055 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:15,055 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 724 [2023-08-29 03:42:15,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:15,228 INFO L130 PetriNetUnfolder]: 368/739 cut-off events. [2023-08-29 03:42:15,228 INFO L131 PetriNetUnfolder]: For 152/152 co-relation queries the response was YES. [2023-08-29 03:42:15,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1617 conditions, 739 events. 368/739 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3414 event pairs, 194 based on Foata normal form. 30/587 useless extension candidates. Maximal degree in co-relation 1611. Up to 445 conditions per place. [2023-08-29 03:42:15,233 INFO L137 encePairwiseOnDemand]: 715/724 looper letters, 20 selfloop transitions, 4 changer transitions 12/52 dead transitions. [2023-08-29 03:42:15,233 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 52 transitions, 214 flow [2023-08-29 03:42:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:42:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:42:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1455 transitions. [2023-08-29 03:42:15,237 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40193370165745856 [2023-08-29 03:42:15,237 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1455 transitions. [2023-08-29 03:42:15,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1455 transitions. [2023-08-29 03:42:15,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:15,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1455 transitions. [2023-08-29 03:42:15,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 291.0) internal successors, (1455), 5 states have internal predecessors, (1455), 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 03:42:15,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 724.0) internal successors, (4344), 6 states have internal predecessors, (4344), 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 03:42:15,247 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 724.0) internal successors, (4344), 6 states have internal predecessors, (4344), 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 03:42:15,247 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 104 flow. Second operand 5 states and 1455 transitions. [2023-08-29 03:42:15,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 52 transitions, 214 flow [2023-08-29 03:42:15,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 52 transitions, 205 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:42:15,250 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 123 flow [2023-08-29 03:42:15,250 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=724, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=123, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2023-08-29 03:42:15,250 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -64 predicate places. [2023-08-29 03:42:15,251 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 123 flow [2023-08-29 03:42:15,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 287.25) internal successors, (1149), 4 states have internal predecessors, (1149), 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 03:42:15,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:15,252 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:15,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:42:15,252 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-08-29 03:42:15,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:15,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1502038060, now seen corresponding path program 1 times [2023-08-29 03:42:15,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:15,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536351485] [2023-08-29 03:42:15,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:15,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:42:15,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:15,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536351485] [2023-08-29 03:42:15,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536351485] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:15,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:15,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:42:15,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791195069] [2023-08-29 03:42:15,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:15,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:42:15,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:15,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:42:15,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:42:15,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 724 [2023-08-29 03:42:15,873 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 123 flow. Second operand has 6 states, 6 states have (on average 279.6666666666667) internal successors, (1678), 6 states have internal predecessors, (1678), 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 03:42:15,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:15,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 724 [2023-08-29 03:42:15,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:16,060 INFO L130 PetriNetUnfolder]: 340/585 cut-off events. [2023-08-29 03:42:16,060 INFO L131 PetriNetUnfolder]: For 162/162 co-relation queries the response was YES. [2023-08-29 03:42:16,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1497 conditions, 585 events. 340/585 cut-off events. For 162/162 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2197 event pairs, 165 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 1489. Up to 446 conditions per place. [2023-08-29 03:42:16,061 INFO L137 encePairwiseOnDemand]: 719/724 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions. [2023-08-29 03:42:16,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 47 transitions, 225 flow [2023-08-29 03:42:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:42:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:42:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1691 transitions. [2023-08-29 03:42:16,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38927255985267034 [2023-08-29 03:42:16,067 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1691 transitions. [2023-08-29 03:42:16,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1691 transitions. [2023-08-29 03:42:16,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:16,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1691 transitions. [2023-08-29 03:42:16,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 281.8333333333333) internal successors, (1691), 6 states have internal predecessors, (1691), 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 03:42:16,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 724.0) internal successors, (5068), 7 states have internal predecessors, (5068), 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 03:42:16,080 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 724.0) internal successors, (5068), 7 states have internal predecessors, (5068), 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 03:42:16,080 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 123 flow. Second operand 6 states and 1691 transitions. [2023-08-29 03:42:16,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 47 transitions, 225 flow [2023-08-29 03:42:16,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 47 transitions, 219 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 03:42:16,084 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2023-08-29 03:42:16,084 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=724, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=46, 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=6, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2023-08-29 03:42:16,086 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -62 predicate places. [2023-08-29 03:42:16,087 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2023-08-29 03:42:16,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.6666666666667) internal successors, (1678), 6 states have internal predecessors, (1678), 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 03:42:16,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (121 of 122 remaining) [2023-08-29 03:42:16,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (120 of 122 remaining) [2023-08-29 03:42:16,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (119 of 122 remaining) [2023-08-29 03:42:16,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (118 of 122 remaining) [2023-08-29 03:42:16,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (117 of 122 remaining) [2023-08-29 03:42:16,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (116 of 122 remaining) [2023-08-29 03:42:16,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (115 of 122 remaining) [2023-08-29 03:42:16,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (114 of 122 remaining) [2023-08-29 03:42:16,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (113 of 122 remaining) [2023-08-29 03:42:16,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (112 of 122 remaining) [2023-08-29 03:42:16,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (111 of 122 remaining) [2023-08-29 03:42:16,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (110 of 122 remaining) [2023-08-29 03:42:16,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (109 of 122 remaining) [2023-08-29 03:42:16,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (108 of 122 remaining) [2023-08-29 03:42:16,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (107 of 122 remaining) [2023-08-29 03:42:16,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (106 of 122 remaining) [2023-08-29 03:42:16,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (105 of 122 remaining) [2023-08-29 03:42:16,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (104 of 122 remaining) [2023-08-29 03:42:16,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (103 of 122 remaining) [2023-08-29 03:42:16,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (102 of 122 remaining) [2023-08-29 03:42:16,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (101 of 122 remaining) [2023-08-29 03:42:16,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (100 of 122 remaining) [2023-08-29 03:42:16,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (99 of 122 remaining) [2023-08-29 03:42:16,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (98 of 122 remaining) [2023-08-29 03:42:16,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (97 of 122 remaining) [2023-08-29 03:42:16,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (96 of 122 remaining) [2023-08-29 03:42:16,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (95 of 122 remaining) [2023-08-29 03:42:16,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (94 of 122 remaining) [2023-08-29 03:42:16,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (93 of 122 remaining) [2023-08-29 03:42:16,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 122 remaining) [2023-08-29 03:42:16,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (91 of 122 remaining) [2023-08-29 03:42:16,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (90 of 122 remaining) [2023-08-29 03:42:16,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (89 of 122 remaining) [2023-08-29 03:42:16,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 122 remaining) [2023-08-29 03:42:16,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 122 remaining) [2023-08-29 03:42:16,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (86 of 122 remaining) [2023-08-29 03:42:16,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (85 of 122 remaining) [2023-08-29 03:42:16,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (84 of 122 remaining) [2023-08-29 03:42:16,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (83 of 122 remaining) [2023-08-29 03:42:16,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (82 of 122 remaining) [2023-08-29 03:42:16,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (81 of 122 remaining) [2023-08-29 03:42:16,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (80 of 122 remaining) [2023-08-29 03:42:16,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (79 of 122 remaining) [2023-08-29 03:42:16,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (78 of 122 remaining) [2023-08-29 03:42:16,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (77 of 122 remaining) [2023-08-29 03:42:16,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (76 of 122 remaining) [2023-08-29 03:42:16,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (75 of 122 remaining) [2023-08-29 03:42:16,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (74 of 122 remaining) [2023-08-29 03:42:16,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (73 of 122 remaining) [2023-08-29 03:42:16,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 122 remaining) [2023-08-29 03:42:16,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 122 remaining) [2023-08-29 03:42:16,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 122 remaining) [2023-08-29 03:42:16,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 122 remaining) [2023-08-29 03:42:16,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 122 remaining) [2023-08-29 03:42:16,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 122 remaining) [2023-08-29 03:42:16,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 122 remaining) [2023-08-29 03:42:16,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 122 remaining) [2023-08-29 03:42:16,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (64 of 122 remaining) [2023-08-29 03:42:16,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (63 of 122 remaining) [2023-08-29 03:42:16,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 122 remaining) [2023-08-29 03:42:16,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 122 remaining) [2023-08-29 03:42:16,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (60 of 122 remaining) [2023-08-29 03:42:16,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (59 of 122 remaining) [2023-08-29 03:42:16,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 122 remaining) [2023-08-29 03:42:16,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 122 remaining) [2023-08-29 03:42:16,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 122 remaining) [2023-08-29 03:42:16,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 122 remaining) [2023-08-29 03:42:16,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 122 remaining) [2023-08-29 03:42:16,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (53 of 122 remaining) [2023-08-29 03:42:16,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (52 of 122 remaining) [2023-08-29 03:42:16,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 122 remaining) [2023-08-29 03:42:16,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 122 remaining) [2023-08-29 03:42:16,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 122 remaining) [2023-08-29 03:42:16,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (48 of 122 remaining) [2023-08-29 03:42:16,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 122 remaining) [2023-08-29 03:42:16,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (46 of 122 remaining) [2023-08-29 03:42:16,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (45 of 122 remaining) [2023-08-29 03:42:16,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (44 of 122 remaining) [2023-08-29 03:42:16,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (43 of 122 remaining) [2023-08-29 03:42:16,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (42 of 122 remaining) [2023-08-29 03:42:16,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (41 of 122 remaining) [2023-08-29 03:42:16,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (40 of 122 remaining) [2023-08-29 03:42:16,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (39 of 122 remaining) [2023-08-29 03:42:16,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 122 remaining) [2023-08-29 03:42:16,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (37 of 122 remaining) [2023-08-29 03:42:16,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 122 remaining) [2023-08-29 03:42:16,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (35 of 122 remaining) [2023-08-29 03:42:16,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (34 of 122 remaining) [2023-08-29 03:42:16,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (33 of 122 remaining) [2023-08-29 03:42:16,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 122 remaining) [2023-08-29 03:42:16,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 122 remaining) [2023-08-29 03:42:16,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 122 remaining) [2023-08-29 03:42:16,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 122 remaining) [2023-08-29 03:42:16,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 122 remaining) [2023-08-29 03:42:16,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 122 remaining) [2023-08-29 03:42:16,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 122 remaining) [2023-08-29 03:42:16,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (25 of 122 remaining) [2023-08-29 03:42:16,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (24 of 122 remaining) [2023-08-29 03:42:16,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (23 of 122 remaining) [2023-08-29 03:42:16,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (22 of 122 remaining) [2023-08-29 03:42:16,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 122 remaining) [2023-08-29 03:42:16,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (20 of 122 remaining) [2023-08-29 03:42:16,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (19 of 122 remaining) [2023-08-29 03:42:16,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (18 of 122 remaining) [2023-08-29 03:42:16,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (17 of 122 remaining) [2023-08-29 03:42:16,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (16 of 122 remaining) [2023-08-29 03:42:16,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (15 of 122 remaining) [2023-08-29 03:42:16,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 122 remaining) [2023-08-29 03:42:16,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (13 of 122 remaining) [2023-08-29 03:42:16,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (12 of 122 remaining) [2023-08-29 03:42:16,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 122 remaining) [2023-08-29 03:42:16,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 122 remaining) [2023-08-29 03:42:16,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 122 remaining) [2023-08-29 03:42:16,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 122 remaining) [2023-08-29 03:42:16,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 122 remaining) [2023-08-29 03:42:16,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 122 remaining) [2023-08-29 03:42:16,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 122 remaining) [2023-08-29 03:42:16,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 122 remaining) [2023-08-29 03:42:16,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 122 remaining) [2023-08-29 03:42:16,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 122 remaining) [2023-08-29 03:42:16,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 122 remaining) [2023-08-29 03:42:16,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 122 remaining) [2023-08-29 03:42:16,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:42:16,123 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-29 03:42:16,128 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:42:16,128 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:42:16,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:42:16 BasicIcfg [2023-08-29 03:42:16,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:42:16,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:42:16,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:42:16,135 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:42:16,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:41:59" (3/4) ... [2023-08-29 03:42:16,138 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:42:16,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:42:16,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:42:16,143 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:42:16,154 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-08-29 03:42:16,155 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:42:16,155 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:42:16,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:42:16,210 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:42:16,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:42:16,210 INFO L158 Benchmark]: Toolchain (without parser) took 18375.87ms. Allocated memory was 67.1MB in the beginning and 188.7MB in the end (delta: 121.6MB). Free memory was 36.4MB in the beginning and 125.3MB in the end (delta: -88.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-08-29 03:42:16,211 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:42:16,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.49ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 38.9MB in the end (delta: -2.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-08-29 03:42:16,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.95ms. Allocated memory is still 67.1MB. Free memory was 38.9MB in the beginning and 35.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:42:16,211 INFO L158 Benchmark]: Boogie Preprocessor took 45.21ms. Allocated memory is still 67.1MB. Free memory was 35.1MB in the beginning and 32.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:42:16,212 INFO L158 Benchmark]: RCFGBuilder took 1371.71ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 32.0MB in the beginning and 36.8MB in the end (delta: -4.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-08-29 03:42:16,212 INFO L158 Benchmark]: TraceAbstraction took 16569.26ms. Allocated memory was 88.1MB in the beginning and 188.7MB in the end (delta: 100.7MB). Free memory was 35.9MB in the beginning and 130.5MB in the end (delta: -94.6MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2023-08-29 03:42:16,212 INFO L158 Benchmark]: Witness Printer took 75.42ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 125.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:42:16,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.49ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 38.9MB in the end (delta: -2.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.95ms. Allocated memory is still 67.1MB. Free memory was 38.9MB in the beginning and 35.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.21ms. Allocated memory is still 67.1MB. Free memory was 35.1MB in the beginning and 32.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1371.71ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 32.0MB in the beginning and 36.8MB in the end (delta: -4.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 16569.26ms. Allocated memory was 88.1MB in the beginning and 188.7MB in the end (delta: 100.7MB). Free memory was 35.9MB in the beginning and 130.5MB in the end (delta: -94.6MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. * Witness Printer took 75.42ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 125.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7s, 335 PlacesBefore, 113 PlacesAfterwards, 342 TransitionsBefore, 109 TransitionsAfterwards, 10520 CoEnabledTransitionPairs, 8 FixpointIterations, 223 TrivialSequentialCompositions, 97 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 9 ConcurrentYvCompositions, 11 ChoiceCompositions, 362 TotalNumberOfCompositions, 35594 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12089, independent: 11552, independent conditional: 0, independent unconditional: 11552, dependent: 537, dependent conditional: 0, dependent unconditional: 537, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4548, independent: 4417, independent conditional: 0, independent unconditional: 4417, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12089, independent: 7135, independent conditional: 0, independent unconditional: 7135, dependent: 406, dependent conditional: 0, dependent unconditional: 406, unknown: 4548, unknown conditional: 0, unknown unconditional: 4548] , Statistics on independence cache: Total cache size (in pairs): 553, Positive cache size: 509, Positive conditional cache size: 0, Positive unconditional cache size: 509, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 56]: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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: 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: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: 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: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: 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: 126]: 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, 438 locations, 122 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: 16.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 576 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 303 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 206 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1184 IncrementalHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 206 mSolverCounterUnsat, 75 mSDtfsCounter, 1184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4/4 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 70 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:42:16,245 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