./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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-bad-buffer-mult-alt2.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 c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:47:11,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:47:11,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:47:12,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:47:12,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:47:12,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:47:12,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:47:12,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:47:12,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:47:12,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:47:12,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:47:12,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:47:12,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:47:12,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:47:12,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:47:12,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:47:12,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:47:12,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:47:12,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:47:12,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:47:12,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:47:12,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:47:12,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:47:12,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:47:12,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:47:12,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:47:12,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:47:12,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:47:12,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:47:12,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:47:12,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:47:12,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:47:12,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:47:12,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:47:12,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:47:12,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:47:12,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:47:12,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:47:12,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:47:12,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:47:12,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:47:12,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:47:12,127 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:47:12,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:47:12,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:47:12,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:47:12,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:47:12,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:47:12,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:47:12,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:47:12,131 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:47:12,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:47:12,132 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:47:12,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:47:12,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:47:12,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:47:12,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:47:12,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:47:12,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:47:12,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:47:12,133 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:47:12,133 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:47:12,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:47:12,134 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:47:12,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:47:12,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:47:12,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:47:12,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:47:12,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:47:12,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:47:12,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:47:12,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:47:12,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:47:12,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:47:12,136 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:47:12,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:47:12,136 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:47:12,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:47:12,137 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:47:12,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:47:12,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:47:12,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:47:12,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:47:12,440 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:47:12,440 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:47:12,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-08-31 21:47:13,721 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:47:13,937 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:47:13,939 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-08-31 21:47:13,945 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8081b0b43/10f3257aceac4b3aa4535a745d61619e/FLAGf2800d252 [2023-08-31 21:47:13,956 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8081b0b43/10f3257aceac4b3aa4535a745d61619e [2023-08-31 21:47:13,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:47:13,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:47:13,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:47:13,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:47:13,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:47:13,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:47:13" (1/1) ... [2023-08-31 21:47:13,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bef0421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:13, skipping insertion in model container [2023-08-31 21:47:13,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:47:13" (1/1) ... [2023-08-31 21:47:13,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:47:13,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:47:14,144 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-bad-buffer-mult-alt2.wvr.c[4174,4187] [2023-08-31 21:47:14,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:47:14,158 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:47:14,190 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-bad-buffer-mult-alt2.wvr.c[4174,4187] [2023-08-31 21:47:14,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:47:14,210 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:47:14,214 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:47:14,220 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:47:14,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14 WrapperNode [2023-08-31 21:47:14,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:47:14,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:47:14,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:47:14,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:47:14,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,318 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 652 [2023-08-31 21:47:14,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:47:14,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:47:14,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:47:14,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:47:14,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:47:14,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:47:14,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:47:14,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:47:14,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (1/1) ... [2023-08-31 21:47:14,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:47:14,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:47:14,447 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) [2023-08-31 21:47:14,476 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 [2023-08-31 21:47:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:47:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:47:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:47:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:47:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:47:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:47:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:47:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:47:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:47:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:47:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-31 21:47:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-31 21:47:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:47:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:47:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:47:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:47:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:47:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:47:14,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:47:14,494 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:47:14,675 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:47:14,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:47:15,546 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:47:15,991 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:47:15,992 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-31 21:47:15,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:47:15 BoogieIcfgContainer [2023-08-31 21:47:15,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:47:15,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:47:16,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:47:16,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:47:16,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:47:13" (1/3) ... [2023-08-31 21:47:16,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26606eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:47:16, skipping insertion in model container [2023-08-31 21:47:16,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:47:14" (2/3) ... [2023-08-31 21:47:16,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26606eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:47:16, skipping insertion in model container [2023-08-31 21:47:16,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:47:15" (3/3) ... [2023-08-31 21:47:16,006 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2023-08-31 21:47:16,014 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:47:16,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:47:16,023 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 99 error locations. [2023-08-31 21:47:16,023 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:47:16,181 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-31 21:47:16,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 446 places, 456 transitions, 944 flow [2023-08-31 21:47:16,410 INFO L130 PetriNetUnfolder]: 23/452 cut-off events. [2023-08-31 21:47:16,410 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:47:16,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 452 events. 23/452 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 652 event pairs, 0 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 370. Up to 2 conditions per place. [2023-08-31 21:47:16,418 INFO L82 GeneralOperation]: Start removeDead. Operand has 446 places, 456 transitions, 944 flow [2023-08-31 21:47:16,430 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 424 places, 433 transitions, 890 flow [2023-08-31 21:47:16,433 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:47:16,447 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 433 transitions, 890 flow [2023-08-31 21:47:16,451 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 433 transitions, 890 flow [2023-08-31 21:47:16,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 424 places, 433 transitions, 890 flow [2023-08-31 21:47:16,534 INFO L130 PetriNetUnfolder]: 22/433 cut-off events. [2023-08-31 21:47:16,534 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:47:16,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 433 events. 22/433 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 644 event pairs, 0 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 370. Up to 2 conditions per place. [2023-08-31 21:47:16,546 INFO L119 LiptonReduction]: Number of co-enabled transitions 14264 [2023-08-31 21:47:30,892 INFO L134 LiptonReduction]: Checked pairs total: 66367 [2023-08-31 21:47:30,892 INFO L136 LiptonReduction]: Total number of compositions: 445 [2023-08-31 21:47:30,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:47:30,910 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;@1c401f85, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:47:30,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 173 error locations. [2023-08-31 21:47:30,912 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:47:30,912 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:47:30,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:47:30,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:47:30,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-08-31 21:47:30,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:47:30,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2479, now seen corresponding path program 1 times [2023-08-31 21:47:30,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:47:30,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650126169] [2023-08-31 21:47:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:47:30,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:47:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:47:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:47:31,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:47:31,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650126169] [2023-08-31 21:47:31,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650126169] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:47:31,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:47:31,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:47:31,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851758095] [2023-08-31 21:47:31,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:47:31,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:47:31,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:47:31,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:47:31,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:47:31,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 901 [2023-08-31 21:47:31,059 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 151 transitions, 326 flow. Second operand has 2 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 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) [2023-08-31 21:47:31,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:47:31,060 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 901 [2023-08-31 21:47:31,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:47:31,728 INFO L130 PetriNetUnfolder]: 2707/4619 cut-off events. [2023-08-31 21:47:31,728 INFO L131 PetriNetUnfolder]: For 302/302 co-relation queries the response was YES. [2023-08-31 21:47:31,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8439 conditions, 4619 events. 2707/4619 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 25798 event pairs, 1965 based on Foata normal form. 1/3634 useless extension candidates. Maximal degree in co-relation 6664. Up to 3560 conditions per place. [2023-08-31 21:47:31,756 INFO L137 encePairwiseOnDemand]: 806/901 looper letters, 35 selfloop transitions, 0 changer transitions 1/56 dead transitions. [2023-08-31 21:47:31,757 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 56 transitions, 208 flow [2023-08-31 21:47:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:47:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:47:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 835 transitions. [2023-08-31 21:47:31,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46337402885682577 [2023-08-31 21:47:31,775 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 835 transitions. [2023-08-31 21:47:31,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 835 transitions. [2023-08-31 21:47:31,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:47:31,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 835 transitions. [2023-08-31 21:47:31,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 417.5) internal successors, (835), 2 states have internal predecessors, (835), 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) [2023-08-31 21:47:31,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 901.0) internal successors, (2703), 3 states have internal predecessors, (2703), 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) [2023-08-31 21:47:31,797 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 901.0) internal successors, (2703), 3 states have internal predecessors, (2703), 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) [2023-08-31 21:47:31,799 INFO L175 Difference]: Start difference. First operand has 158 places, 151 transitions, 326 flow. Second operand 2 states and 835 transitions. [2023-08-31 21:47:31,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 56 transitions, 208 flow [2023-08-31 21:47:31,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 192 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-31 21:47:31,813 INFO L231 Difference]: Finished difference. Result has 56 places, 55 transitions, 117 flow [2023-08-31 21:47:31,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=901, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=117, PETRI_PLACES=56, PETRI_TRANSITIONS=55} [2023-08-31 21:47:31,820 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -102 predicate places. [2023-08-31 21:47:31,821 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 55 transitions, 117 flow [2023-08-31 21:47:31,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 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) [2023-08-31 21:47:31,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:47:31,822 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:47:31,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:47:31,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-08-31 21:47:31,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:47:31,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2062521400, now seen corresponding path program 1 times [2023-08-31 21:47:31,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:47:31,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121430004] [2023-08-31 21:47:31,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:47:31,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:47:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:47:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:47:32,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:47:32,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121430004] [2023-08-31 21:47:32,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121430004] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:47:32,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:47:32,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:47:32,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906336487] [2023-08-31 21:47:32,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:47:32,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:47:32,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:47:32,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:47:32,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:47:32,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 901 [2023-08-31 21:47:32,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 55 transitions, 117 flow. Second operand has 6 states, 6 states have (on average 337.5) internal successors, (2025), 6 states have internal predecessors, (2025), 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) [2023-08-31 21:47:32,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:47:32,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 901 [2023-08-31 21:47:32,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:47:33,891 INFO L130 PetriNetUnfolder]: 6803/9098 cut-off events. [2023-08-31 21:47:33,891 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-31 21:47:33,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17864 conditions, 9098 events. 6803/9098 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 36190 event pairs, 855 based on Foata normal form. 0/7248 useless extension candidates. Maximal degree in co-relation 17861. Up to 3184 conditions per place. [2023-08-31 21:47:33,937 INFO L137 encePairwiseOnDemand]: 896/901 looper letters, 99 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2023-08-31 21:47:33,938 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 118 transitions, 449 flow [2023-08-31 21:47:33,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:47:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:47:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2114 transitions. [2023-08-31 21:47:33,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3910469848316685 [2023-08-31 21:47:33,944 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2114 transitions. [2023-08-31 21:47:33,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2114 transitions. [2023-08-31 21:47:33,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:47:33,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2114 transitions. [2023-08-31 21:47:33,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 352.3333333333333) internal successors, (2114), 6 states have internal predecessors, (2114), 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) [2023-08-31 21:47:33,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 901.0) internal successors, (6307), 7 states have internal predecessors, (6307), 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) [2023-08-31 21:47:33,963 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 901.0) internal successors, (6307), 7 states have internal predecessors, (6307), 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) [2023-08-31 21:47:33,963 INFO L175 Difference]: Start difference. First operand has 56 places, 55 transitions, 117 flow. Second operand 6 states and 2114 transitions. [2023-08-31 21:47:33,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 118 transitions, 449 flow [2023-08-31 21:47:33,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 118 transitions, 449 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:47:33,966 INFO L231 Difference]: Finished difference. Result has 59 places, 54 transitions, 123 flow [2023-08-31 21:47:33,967 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=901, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=123, PETRI_PLACES=59, PETRI_TRANSITIONS=54} [2023-08-31 21:47:33,967 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -99 predicate places. [2023-08-31 21:47:33,968 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 54 transitions, 123 flow [2023-08-31 21:47:33,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 337.5) internal successors, (2025), 6 states have internal predecessors, (2025), 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) [2023-08-31 21:47:33,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:47:33,969 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:47:33,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:47:33,970 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-08-31 21:47:33,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:47:33,970 INFO L85 PathProgramCache]: Analyzing trace with hash -834452833, now seen corresponding path program 1 times [2023-08-31 21:47:33,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:47:33,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509486308] [2023-08-31 21:47:33,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:47:33,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:47:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:47:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:47:34,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:47:34,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509486308] [2023-08-31 21:47:34,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509486308] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:47:34,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:47:34,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:47:34,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968442179] [2023-08-31 21:47:34,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:47:34,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:47:34,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:47:34,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:47:34,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:47:34,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 901 [2023-08-31 21:47:34,562 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 54 transitions, 123 flow. Second operand has 6 states, 6 states have (on average 338.1666666666667) internal successors, (2029), 6 states have internal predecessors, (2029), 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) [2023-08-31 21:47:34,562 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:47:34,562 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 901 [2023-08-31 21:47:34,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:47:35,266 INFO L130 PetriNetUnfolder]: 3475/5194 cut-off events. [2023-08-31 21:47:35,267 INFO L131 PetriNetUnfolder]: For 260/260 co-relation queries the response was YES. [2023-08-31 21:47:35,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10505 conditions, 5194 events. 3475/5194 cut-off events. For 260/260 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 23703 event pairs, 1767 based on Foata normal form. 0/4208 useless extension candidates. Maximal degree in co-relation 10501. Up to 3191 conditions per place. [2023-08-31 21:47:35,289 INFO L137 encePairwiseOnDemand]: 896/901 looper letters, 83 selfloop transitions, 4 changer transitions 0/101 dead transitions. [2023-08-31 21:47:35,290 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 101 transitions, 391 flow [2023-08-31 21:47:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:47:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:47:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2098 transitions. [2023-08-31 21:47:35,295 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3880873103958565 [2023-08-31 21:47:35,295 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2098 transitions. [2023-08-31 21:47:35,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2098 transitions. [2023-08-31 21:47:35,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:47:35,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2098 transitions. [2023-08-31 21:47:35,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 349.6666666666667) internal successors, (2098), 6 states have internal predecessors, (2098), 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) [2023-08-31 21:47:35,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 901.0) internal successors, (6307), 7 states have internal predecessors, (6307), 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) [2023-08-31 21:47:35,311 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 901.0) internal successors, (6307), 7 states have internal predecessors, (6307), 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) [2023-08-31 21:47:35,312 INFO L175 Difference]: Start difference. First operand has 59 places, 54 transitions, 123 flow. Second operand 6 states and 2098 transitions. [2023-08-31 21:47:35,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 101 transitions, 391 flow [2023-08-31 21:47:35,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 101 transitions, 384 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:47:35,320 INFO L231 Difference]: Finished difference. Result has 59 places, 53 transitions, 122 flow [2023-08-31 21:47:35,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=901, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=122, PETRI_PLACES=59, PETRI_TRANSITIONS=53} [2023-08-31 21:47:35,321 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -99 predicate places. [2023-08-31 21:47:35,322 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 53 transitions, 122 flow [2023-08-31 21:47:35,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.1666666666667) internal successors, (2029), 6 states have internal predecessors, (2029), 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) [2023-08-31 21:47:35,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:47:35,323 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] [2023-08-31 21:47:35,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:47:35,324 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-08-31 21:47:35,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:47:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash 347511255, now seen corresponding path program 1 times [2023-08-31 21:47:35,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:47:35,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547602456] [2023-08-31 21:47:35,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:47:35,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:47:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:47:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:47:35,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:47:35,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547602456] [2023-08-31 21:47:35,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547602456] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:47:35,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:47:35,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:47:35,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423629049] [2023-08-31 21:47:35,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:47:35,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:47:35,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:47:35,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:47:35,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:47:35,916 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 901 [2023-08-31 21:47:35,919 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 53 transitions, 122 flow. Second operand has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 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) [2023-08-31 21:47:35,919 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:47:35,919 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 901 [2023-08-31 21:47:35,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:47:36,650 INFO L130 PetriNetUnfolder]: 2835/4538 cut-off events. [2023-08-31 21:47:36,651 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-08-31 21:47:36,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8761 conditions, 4538 events. 2835/4538 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 22959 event pairs, 1935 based on Foata normal form. 0/3728 useless extension candidates. Maximal degree in co-relation 8757. Up to 3495 conditions per place. [2023-08-31 21:47:36,669 INFO L137 encePairwiseOnDemand]: 896/901 looper letters, 67 selfloop transitions, 4 changer transitions 0/84 dead transitions. [2023-08-31 21:47:36,669 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 84 transitions, 326 flow [2023-08-31 21:47:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:47:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:47:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2082 transitions. [2023-08-31 21:47:36,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3851276359600444 [2023-08-31 21:47:36,675 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2082 transitions. [2023-08-31 21:47:36,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2082 transitions. [2023-08-31 21:47:36,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:47:36,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2082 transitions. [2023-08-31 21:47:36,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 347.0) internal successors, (2082), 6 states have internal predecessors, (2082), 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) [2023-08-31 21:47:36,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 901.0) internal successors, (6307), 7 states have internal predecessors, (6307), 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) [2023-08-31 21:47:36,692 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 901.0) internal successors, (6307), 7 states have internal predecessors, (6307), 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) [2023-08-31 21:47:36,692 INFO L175 Difference]: Start difference. First operand has 59 places, 53 transitions, 122 flow. Second operand 6 states and 2082 transitions. [2023-08-31 21:47:36,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 84 transitions, 326 flow [2023-08-31 21:47:36,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 84 transitions, 319 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:47:36,695 INFO L231 Difference]: Finished difference. Result has 59 places, 52 transitions, 121 flow [2023-08-31 21:47:36,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=901, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=121, PETRI_PLACES=59, PETRI_TRANSITIONS=52} [2023-08-31 21:47:36,696 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -99 predicate places. [2023-08-31 21:47:36,696 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 52 transitions, 121 flow [2023-08-31 21:47:36,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 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) [2023-08-31 21:47:36,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:47:36,697 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, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:47:36,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:47:36,698 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-08-31 21:47:36,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:47:36,698 INFO L85 PathProgramCache]: Analyzing trace with hash -64164298, now seen corresponding path program 1 times [2023-08-31 21:47:36,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:47:36,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498648843] [2023-08-31 21:47:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:47:36,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:47:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:47:37,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:47:37,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:47:37,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498648843] [2023-08-31 21:47:37,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498648843] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:47:37,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:47:37,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:47:37,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237629398] [2023-08-31 21:47:37,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:47:37,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:47:37,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:47:37,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:47:37,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:47:37,360 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 901 [2023-08-31 21:47:37,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 52 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 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) [2023-08-31 21:47:37,362 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:47:37,362 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 901 [2023-08-31 21:47:37,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:47:37,853 INFO L130 PetriNetUnfolder]: 2723/4422 cut-off events. [2023-08-31 21:47:37,853 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2023-08-31 21:47:37,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8357 conditions, 4422 events. 2723/4422 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 22785 event pairs, 1962 based on Foata normal form. 0/3644 useless extension candidates. Maximal degree in co-relation 8353. Up to 3551 conditions per place. [2023-08-31 21:47:37,862 INFO L137 encePairwiseOnDemand]: 896/901 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2023-08-31 21:47:37,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 67 transitions, 261 flow [2023-08-31 21:47:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:47:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:47:37,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2066 transitions. [2023-08-31 21:47:37,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3821679615242323 [2023-08-31 21:47:37,868 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2066 transitions. [2023-08-31 21:47:37,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2066 transitions. [2023-08-31 21:47:37,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:47:37,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2066 transitions. [2023-08-31 21:47:37,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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) [2023-08-31 21:47:37,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 901.0) internal successors, (6307), 7 states have internal predecessors, (6307), 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) [2023-08-31 21:47:37,880 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 901.0) internal successors, (6307), 7 states have internal predecessors, (6307), 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) [2023-08-31 21:47:37,880 INFO L175 Difference]: Start difference. First operand has 59 places, 52 transitions, 121 flow. Second operand 6 states and 2066 transitions. [2023-08-31 21:47:37,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 67 transitions, 261 flow [2023-08-31 21:47:37,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 67 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:47:37,882 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2023-08-31 21:47:37,882 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=901, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2023-08-31 21:47:37,883 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -99 predicate places. [2023-08-31 21:47:37,883 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2023-08-31 21:47:37,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 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) [2023-08-31 21:47:37,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (172 of 173 remaining) [2023-08-31 21:47:37,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (171 of 173 remaining) [2023-08-31 21:47:37,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (170 of 173 remaining) [2023-08-31 21:47:37,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (169 of 173 remaining) [2023-08-31 21:47:37,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (168 of 173 remaining) [2023-08-31 21:47:37,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (167 of 173 remaining) [2023-08-31 21:47:37,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (166 of 173 remaining) [2023-08-31 21:47:37,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (165 of 173 remaining) [2023-08-31 21:47:37,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (164 of 173 remaining) [2023-08-31 21:47:37,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (163 of 173 remaining) [2023-08-31 21:47:37,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (162 of 173 remaining) [2023-08-31 21:47:37,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (161 of 173 remaining) [2023-08-31 21:47:37,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (160 of 173 remaining) [2023-08-31 21:47:37,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (159 of 173 remaining) [2023-08-31 21:47:37,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (158 of 173 remaining) [2023-08-31 21:47:37,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (157 of 173 remaining) [2023-08-31 21:47:37,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (156 of 173 remaining) [2023-08-31 21:47:37,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (155 of 173 remaining) [2023-08-31 21:47:37,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (154 of 173 remaining) [2023-08-31 21:47:37,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (153 of 173 remaining) [2023-08-31 21:47:37,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (152 of 173 remaining) [2023-08-31 21:47:37,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (151 of 173 remaining) [2023-08-31 21:47:37,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (150 of 173 remaining) [2023-08-31 21:47:37,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (149 of 173 remaining) [2023-08-31 21:47:37,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (148 of 173 remaining) [2023-08-31 21:47:37,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (147 of 173 remaining) [2023-08-31 21:47:37,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (146 of 173 remaining) [2023-08-31 21:47:37,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (145 of 173 remaining) [2023-08-31 21:47:37,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (144 of 173 remaining) [2023-08-31 21:47:37,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (143 of 173 remaining) [2023-08-31 21:47:37,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (142 of 173 remaining) [2023-08-31 21:47:37,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (141 of 173 remaining) [2023-08-31 21:47:37,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (140 of 173 remaining) [2023-08-31 21:47:37,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (139 of 173 remaining) [2023-08-31 21:47:37,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (138 of 173 remaining) [2023-08-31 21:47:37,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (137 of 173 remaining) [2023-08-31 21:47:37,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (136 of 173 remaining) [2023-08-31 21:47:37,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (135 of 173 remaining) [2023-08-31 21:47:37,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (134 of 173 remaining) [2023-08-31 21:47:37,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (133 of 173 remaining) [2023-08-31 21:47:37,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (132 of 173 remaining) [2023-08-31 21:47:37,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (131 of 173 remaining) [2023-08-31 21:47:37,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (130 of 173 remaining) [2023-08-31 21:47:37,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (129 of 173 remaining) [2023-08-31 21:47:37,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (128 of 173 remaining) [2023-08-31 21:47:37,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (127 of 173 remaining) [2023-08-31 21:47:37,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (126 of 173 remaining) [2023-08-31 21:47:37,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (125 of 173 remaining) [2023-08-31 21:47:37,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (124 of 173 remaining) [2023-08-31 21:47:37,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (123 of 173 remaining) [2023-08-31 21:47:37,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (122 of 173 remaining) [2023-08-31 21:47:37,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (121 of 173 remaining) [2023-08-31 21:47:37,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (120 of 173 remaining) [2023-08-31 21:47:37,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (119 of 173 remaining) [2023-08-31 21:47:37,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (118 of 173 remaining) [2023-08-31 21:47:37,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (117 of 173 remaining) [2023-08-31 21:47:37,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (116 of 173 remaining) [2023-08-31 21:47:37,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (115 of 173 remaining) [2023-08-31 21:47:37,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (114 of 173 remaining) [2023-08-31 21:47:37,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (113 of 173 remaining) [2023-08-31 21:47:37,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (112 of 173 remaining) [2023-08-31 21:47:37,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (111 of 173 remaining) [2023-08-31 21:47:37,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (110 of 173 remaining) [2023-08-31 21:47:37,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (109 of 173 remaining) [2023-08-31 21:47:37,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (108 of 173 remaining) [2023-08-31 21:47:37,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (107 of 173 remaining) [2023-08-31 21:47:37,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (106 of 173 remaining) [2023-08-31 21:47:37,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (105 of 173 remaining) [2023-08-31 21:47:37,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (104 of 173 remaining) [2023-08-31 21:47:37,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (103 of 173 remaining) [2023-08-31 21:47:37,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (102 of 173 remaining) [2023-08-31 21:47:37,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (101 of 173 remaining) [2023-08-31 21:47:37,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (100 of 173 remaining) [2023-08-31 21:47:37,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (99 of 173 remaining) [2023-08-31 21:47:37,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (98 of 173 remaining) [2023-08-31 21:47:37,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (97 of 173 remaining) [2023-08-31 21:47:37,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (96 of 173 remaining) [2023-08-31 21:47:37,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (95 of 173 remaining) [2023-08-31 21:47:37,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (94 of 173 remaining) [2023-08-31 21:47:37,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 173 remaining) [2023-08-31 21:47:37,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 173 remaining) [2023-08-31 21:47:37,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (91 of 173 remaining) [2023-08-31 21:47:37,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 173 remaining) [2023-08-31 21:47:37,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (89 of 173 remaining) [2023-08-31 21:47:37,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (88 of 173 remaining) [2023-08-31 21:47:37,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (87 of 173 remaining) [2023-08-31 21:47:37,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (86 of 173 remaining) [2023-08-31 21:47:37,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (85 of 173 remaining) [2023-08-31 21:47:37,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (84 of 173 remaining) [2023-08-31 21:47:37,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (83 of 173 remaining) [2023-08-31 21:47:37,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (82 of 173 remaining) [2023-08-31 21:47:37,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (81 of 173 remaining) [2023-08-31 21:47:37,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (80 of 173 remaining) [2023-08-31 21:47:37,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (79 of 173 remaining) [2023-08-31 21:47:37,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (78 of 173 remaining) [2023-08-31 21:47:37,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (77 of 173 remaining) [2023-08-31 21:47:37,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (76 of 173 remaining) [2023-08-31 21:47:37,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (75 of 173 remaining) [2023-08-31 21:47:37,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (74 of 173 remaining) [2023-08-31 21:47:37,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (73 of 173 remaining) [2023-08-31 21:47:37,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (72 of 173 remaining) [2023-08-31 21:47:37,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (71 of 173 remaining) [2023-08-31 21:47:37,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (70 of 173 remaining) [2023-08-31 21:47:37,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (69 of 173 remaining) [2023-08-31 21:47:37,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (68 of 173 remaining) [2023-08-31 21:47:37,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (67 of 173 remaining) [2023-08-31 21:47:37,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (66 of 173 remaining) [2023-08-31 21:47:37,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (65 of 173 remaining) [2023-08-31 21:47:37,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (64 of 173 remaining) [2023-08-31 21:47:37,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (63 of 173 remaining) [2023-08-31 21:47:37,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (62 of 173 remaining) [2023-08-31 21:47:37,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (61 of 173 remaining) [2023-08-31 21:47:37,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (60 of 173 remaining) [2023-08-31 21:47:37,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (59 of 173 remaining) [2023-08-31 21:47:37,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (58 of 173 remaining) [2023-08-31 21:47:37,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (57 of 173 remaining) [2023-08-31 21:47:37,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (56 of 173 remaining) [2023-08-31 21:47:37,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (55 of 173 remaining) [2023-08-31 21:47:37,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 173 remaining) [2023-08-31 21:47:37,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (53 of 173 remaining) [2023-08-31 21:47:37,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 173 remaining) [2023-08-31 21:47:37,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (51 of 173 remaining) [2023-08-31 21:47:37,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 173 remaining) [2023-08-31 21:47:37,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 173 remaining) [2023-08-31 21:47:37,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (48 of 173 remaining) [2023-08-31 21:47:37,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (47 of 173 remaining) [2023-08-31 21:47:37,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (46 of 173 remaining) [2023-08-31 21:47:37,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 173 remaining) [2023-08-31 21:47:37,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (44 of 173 remaining) [2023-08-31 21:47:37,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (43 of 173 remaining) [2023-08-31 21:47:37,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (42 of 173 remaining) [2023-08-31 21:47:37,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (41 of 173 remaining) [2023-08-31 21:47:37,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (40 of 173 remaining) [2023-08-31 21:47:37,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 173 remaining) [2023-08-31 21:47:37,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 173 remaining) [2023-08-31 21:47:37,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 173 remaining) [2023-08-31 21:47:37,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 173 remaining) [2023-08-31 21:47:37,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 173 remaining) [2023-08-31 21:47:37,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 173 remaining) [2023-08-31 21:47:37,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 173 remaining) [2023-08-31 21:47:37,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 173 remaining) [2023-08-31 21:47:37,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 173 remaining) [2023-08-31 21:47:37,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 173 remaining) [2023-08-31 21:47:37,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 173 remaining) [2023-08-31 21:47:37,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 173 remaining) [2023-08-31 21:47:37,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 173 remaining) [2023-08-31 21:47:37,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 173 remaining) [2023-08-31 21:47:37,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 173 remaining) [2023-08-31 21:47:37,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 173 remaining) [2023-08-31 21:47:37,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 173 remaining) [2023-08-31 21:47:37,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 173 remaining) [2023-08-31 21:47:37,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 173 remaining) [2023-08-31 21:47:37,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 173 remaining) [2023-08-31 21:47:37,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 173 remaining) [2023-08-31 21:47:37,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 173 remaining) [2023-08-31 21:47:37,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 173 remaining) [2023-08-31 21:47:37,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 173 remaining) [2023-08-31 21:47:37,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 173 remaining) [2023-08-31 21:47:37,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 173 remaining) [2023-08-31 21:47:37,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 173 remaining) [2023-08-31 21:47:37,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 173 remaining) [2023-08-31 21:47:37,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 173 remaining) [2023-08-31 21:47:37,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 173 remaining) [2023-08-31 21:47:37,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 173 remaining) [2023-08-31 21:47:37,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 173 remaining) [2023-08-31 21:47:37,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 173 remaining) [2023-08-31 21:47:37,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 173 remaining) [2023-08-31 21:47:37,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 173 remaining) [2023-08-31 21:47:37,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 173 remaining) [2023-08-31 21:47:37,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 173 remaining) [2023-08-31 21:47:37,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 173 remaining) [2023-08-31 21:47:37,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 173 remaining) [2023-08-31 21:47:37,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 173 remaining) [2023-08-31 21:47:37,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:47:37,917 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-31 21:47:37,922 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:47:37,923 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:47:37,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:47:37 BasicIcfg [2023-08-31 21:47:37,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:47:37,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:47:37,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:47:37,927 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:47:37,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:47:15" (3/4) ... [2023-08-31 21:47:37,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:47:37,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:47:37,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:47:37,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:47:37,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-08-31 21:47:37,940 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-31 21:47:37,940 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:47:37,941 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:47:37,941 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:47:37,990 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:47:37,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:47:37,991 INFO L158 Benchmark]: Toolchain (without parser) took 24031.65ms. Allocated memory was 71.3MB in the beginning and 734.0MB in the end (delta: 662.7MB). Free memory was 49.3MB in the beginning and 447.1MB in the end (delta: -397.8MB). Peak memory consumption was 266.8MB. Max. memory is 16.1GB. [2023-08-31 21:47:37,991 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:47:37,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.87ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 34.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-31 21:47:37,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.06ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 48.3MB in the end (delta: -13.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-08-31 21:47:37,992 INFO L158 Benchmark]: Boogie Preprocessor took 83.21ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 44.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:47:37,993 INFO L158 Benchmark]: RCFGBuilder took 1585.79ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 44.7MB in the beginning and 73.9MB in the end (delta: -29.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-08-31 21:47:37,993 INFO L158 Benchmark]: TraceAbstraction took 21926.70ms. Allocated memory was 104.9MB in the beginning and 734.0MB in the end (delta: 629.1MB). Free memory was 73.2MB in the beginning and 454.4MB in the end (delta: -381.2MB). Peak memory consumption was 456.9MB. Max. memory is 16.1GB. [2023-08-31 21:47:37,993 INFO L158 Benchmark]: Witness Printer took 63.97ms. Allocated memory is still 734.0MB. Free memory was 454.4MB in the beginning and 447.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:47:37,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.87ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 34.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.06ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 48.3MB in the end (delta: -13.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.21ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 44.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1585.79ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 44.7MB in the beginning and 73.9MB in the end (delta: -29.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * TraceAbstraction took 21926.70ms. Allocated memory was 104.9MB in the beginning and 734.0MB in the end (delta: 629.1MB). Free memory was 73.2MB in the beginning and 454.4MB in the end (delta: -381.2MB). Peak memory consumption was 456.9MB. Max. memory is 16.1GB. * Witness Printer took 63.97ms. Allocated memory is still 734.0MB. Free memory was 454.4MB in the beginning and 447.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.4s, 424 PlacesBefore, 158 PlacesAfterwards, 433 TransitionsBefore, 151 TransitionsAfterwards, 14264 CoEnabledTransitionPairs, 9 FixpointIterations, 315 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 31 TrivialYvCompositions, 8 ConcurrentYvCompositions, 16 ChoiceCompositions, 445 TotalNumberOfCompositions, 66367 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24906, independent: 24140, independent conditional: 0, independent unconditional: 24140, dependent: 766, dependent conditional: 0, dependent unconditional: 766, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4359, independent: 4282, independent conditional: 0, independent unconditional: 4282, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24906, independent: 19858, independent conditional: 0, independent unconditional: 19858, dependent: 689, dependent conditional: 0, dependent unconditional: 689, unknown: 4359, unknown conditional: 0, unknown unconditional: 4359] , Statistics on independence cache: Total cache size (in pairs): 1583, Positive cache size: 1537, Positive conditional cache size: 0, Positive unconditional cache size: 1537, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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: 107]: 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: 107]: 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: 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: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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: 112]: 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: 112]: 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 9 procedures, 536 locations, 173 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: 21.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 582 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 362 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 280 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1542 IncrementalHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 280 mSolverCounterUnsat, 0 mSDtfsCounter, 1542 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 1.7s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 99 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:47:38,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE