./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.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 d8915194b3978f524e3b82313f6c905aed9b5c215c3d66b411e7857ee0b93981 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:44:34,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:44:34,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:44:35,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:44:35,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:44:35,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:44:35,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:44:35,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:44:35,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:44:35,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:44:35,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:44:35,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:44:35,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:44:35,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:44:35,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:44:35,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:44:35,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:44:35,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:44:35,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:44:35,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:44:35,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:44:35,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:44:35,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:44:35,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:44:35,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:44:35,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:44:35,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:44:35,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:44:35,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:44:35,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:44:35,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:44:35,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:44:35,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:44:35,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:44:35,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:44:35,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:44:35,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:44:35,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:44:35,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:44:35,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:44:35,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:44:35,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:44:35,105 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:44:35,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:44:35,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:44:35,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:44:35,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:44:35,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:44:35,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:44:35,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:44:35,109 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:44:35,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:44:35,110 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:44:35,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:44:35,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:44:35,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:44:35,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:44:35,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:44:35,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:44:35,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:44:35,111 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:44:35,111 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:44:35,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:44:35,112 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:44:35,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:44:35,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:44:35,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:44:35,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:44:35,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:44:35,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:44:35,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:44:35,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:44:35,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:44:35,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:44:35,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:44:35,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:44:35,114 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:44:35,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:44:35,114 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:44:35,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8915194b3978f524e3b82313f6c905aed9b5c215c3d66b411e7857ee0b93981 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:44:35,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:44:35,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:44:35,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:44:35,476 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:44:35,477 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:44:35,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2023-08-29 03:44:36,754 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:44:36,954 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:44:36,955 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2023-08-29 03:44:36,961 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685305e33/3623200f50394d3a90f1172717a211dd/FLAG3c6ea4615 [2023-08-29 03:44:36,980 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685305e33/3623200f50394d3a90f1172717a211dd [2023-08-29 03:44:36,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:44:36,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:44:36,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:44:36,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:44:36,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:44:36,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:44:36" (1/1) ... [2023-08-29 03:44:36,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bdbbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:36, skipping insertion in model container [2023-08-29 03:44:36,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:44:36" (1/1) ... [2023-08-29 03:44:36,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:44:37,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:44:37,236 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-send-receive-alt.wvr.c[2650,2663] [2023-08-29 03:44:37,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:44:37,257 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:44:37,304 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-send-receive-alt.wvr.c[2650,2663] [2023-08-29 03:44:37,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:44:37,321 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:44:37,321 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:44:37,327 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:44:37,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37 WrapperNode [2023-08-29 03:44:37,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:44:37,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:44:37,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:44:37,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:44:37,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,394 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 271 [2023-08-29 03:44:37,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:44:37,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:44:37,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:44:37,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:44:37,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,441 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:44:37,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:44:37,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:44:37,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:44:37,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (1/1) ... [2023-08-29 03:44:37,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:44:37,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:44:37,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:44:37,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:44:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:44:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:44:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:44:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:44:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:44:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:44:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:44:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:44:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:44:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:44:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:44:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:44:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:44:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:44:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:44:37,547 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:44:37,679 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:44:37,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:44:38,192 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:44:38,487 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:44:38,488 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 03:44:38,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:38 BoogieIcfgContainer [2023-08-29 03:44:38,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:44:38,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:44:38,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:44:38,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:44:38,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:44:36" (1/3) ... [2023-08-29 03:44:38,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711f124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:44:38, skipping insertion in model container [2023-08-29 03:44:38,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:37" (2/3) ... [2023-08-29 03:44:38,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711f124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:44:38, skipping insertion in model container [2023-08-29 03:44:38,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:38" (3/3) ... [2023-08-29 03:44:38,498 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2023-08-29 03:44:38,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:44:38,515 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:44:38,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-08-29 03:44:38,534 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:44:38,608 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:44:38,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 217 transitions, 450 flow [2023-08-29 03:44:38,700 INFO L130 PetriNetUnfolder]: 13/215 cut-off events. [2023-08-29 03:44:38,700 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:44:38,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 215 events. 13/215 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 287 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 127. Up to 2 conditions per place. [2023-08-29 03:44:38,708 INFO L82 GeneralOperation]: Start removeDead. Operand has 211 places, 217 transitions, 450 flow [2023-08-29 03:44:38,713 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 197 transitions, 406 flow [2023-08-29 03:44:38,717 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:44:38,728 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 197 transitions, 406 flow [2023-08-29 03:44:38,735 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 197 transitions, 406 flow [2023-08-29 03:44:38,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 197 transitions, 406 flow [2023-08-29 03:44:38,811 INFO L130 PetriNetUnfolder]: 11/197 cut-off events. [2023-08-29 03:44:38,811 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:44:38,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 197 events. 11/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 280 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 127. Up to 2 conditions per place. [2023-08-29 03:44:38,817 INFO L119 LiptonReduction]: Number of co-enabled transitions 4062 [2023-08-29 03:44:44,551 INFO L134 LiptonReduction]: Checked pairs total: 14684 [2023-08-29 03:44:44,552 INFO L136 LiptonReduction]: Total number of compositions: 204 [2023-08-29 03:44:44,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:44:44,570 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;@7709393d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:44:44,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-08-29 03:44:44,573 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:44:44,573 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:44:44,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:44,574 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:44:44,574 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:44:44,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1074, now seen corresponding path program 1 times [2023-08-29 03:44:44,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:44,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682764622] [2023-08-29 03:44:44,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:44,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:44,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:44,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682764622] [2023-08-29 03:44:44,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682764622] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:44,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:44,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:44:44,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338001057] [2023-08-29 03:44:44,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:44,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:44:44,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:44,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:44:44,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:44:44,720 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 421 [2023-08-29 03:44:44,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 66 transitions, 144 flow. Second operand has 2 states, 2 states have (on average 180.5) internal successors, (361), 2 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:44,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:44,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 421 [2023-08-29 03:44:44,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:44,816 INFO L130 PetriNetUnfolder]: 54/179 cut-off events. [2023-08-29 03:44:44,816 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2023-08-29 03:44:44,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 179 events. 54/179 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 708 event pairs, 30 based on Foata normal form. 1/138 useless extension candidates. Maximal degree in co-relation 186. Up to 96 conditions per place. [2023-08-29 03:44:44,824 INFO L137 encePairwiseOnDemand]: 389/421 looper letters, 16 selfloop transitions, 0 changer transitions 1/34 dead transitions. [2023-08-29 03:44:44,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 34 transitions, 114 flow [2023-08-29 03:44:44,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:44:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:44:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 409 transitions. [2023-08-29 03:44:44,843 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4857482185273159 [2023-08-29 03:44:44,844 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 409 transitions. [2023-08-29 03:44:44,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 409 transitions. [2023-08-29 03:44:44,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:44,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 409 transitions. [2023-08-29 03:44:44,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 204.5) internal successors, (409), 2 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:44,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:44,857 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:44,859 INFO L175 Difference]: Start difference. First operand has 69 places, 66 transitions, 144 flow. Second operand 2 states and 409 transitions. [2023-08-29 03:44:44,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 34 transitions, 114 flow [2023-08-29 03:44:44,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 34 transitions, 106 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:44:44,863 INFO L231 Difference]: Finished difference. Result has 35 places, 33 transitions, 69 flow [2023-08-29 03:44:44,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=69, PETRI_PLACES=35, PETRI_TRANSITIONS=33} [2023-08-29 03:44:44,868 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, -34 predicate places. [2023-08-29 03:44:44,870 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 33 transitions, 69 flow [2023-08-29 03:44:44,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 180.5) internal successors, (361), 2 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:44,873 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:44,874 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:44,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:44:44,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:44:44,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:44,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1664030952, now seen corresponding path program 1 times [2023-08-29 03:44:44,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:44,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383869210] [2023-08-29 03:44:44,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:44,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:45,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:45,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383869210] [2023-08-29 03:44:45,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383869210] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:45,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:45,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:44:45,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526748295] [2023-08-29 03:44:45,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:45,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:44:45,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:45,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:44:45,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:44:45,136 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 421 [2023-08-29 03:44:45,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 33 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:45,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:45,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 421 [2023-08-29 03:44:45,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:45,212 INFO L130 PetriNetUnfolder]: 98/257 cut-off events. [2023-08-29 03:44:45,213 INFO L131 PetriNetUnfolder]: For 10/16 co-relation queries the response was YES. [2023-08-29 03:44:45,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 257 events. 98/257 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1000 event pairs, 22 based on Foata normal form. 1/195 useless extension candidates. Maximal degree in co-relation 432. Up to 129 conditions per place. [2023-08-29 03:44:45,214 INFO L137 encePairwiseOnDemand]: 416/421 looper letters, 24 selfloop transitions, 3 changer transitions 0/40 dead transitions. [2023-08-29 03:44:45,214 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 40 transitions, 139 flow [2023-08-29 03:44:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:44:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:44:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2023-08-29 03:44:45,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4338875692794933 [2023-08-29 03:44:45,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 548 transitions. [2023-08-29 03:44:45,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 548 transitions. [2023-08-29 03:44:45,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:45,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 548 transitions. [2023-08-29 03:44:45,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:45,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:45,225 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:45,225 INFO L175 Difference]: Start difference. First operand has 35 places, 33 transitions, 69 flow. Second operand 3 states and 548 transitions. [2023-08-29 03:44:45,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 40 transitions, 139 flow [2023-08-29 03:44:45,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 40 transitions, 139 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:44:45,227 INFO L231 Difference]: Finished difference. Result has 35 places, 33 transitions, 82 flow [2023-08-29 03:44:45,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=35, PETRI_TRANSITIONS=33} [2023-08-29 03:44:45,228 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, -34 predicate places. [2023-08-29 03:44:45,228 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 33 transitions, 82 flow [2023-08-29 03:44:45,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:45,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:45,229 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:45,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:44:45,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:44:45,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:45,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1557711244, now seen corresponding path program 1 times [2023-08-29 03:44:45,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:45,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326266462] [2023-08-29 03:44:45,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:45,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:45,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:45,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326266462] [2023-08-29 03:44:45,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326266462] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:45,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:45,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:44:45,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780809582] [2023-08-29 03:44:45,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:45,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:44:45,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:45,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:44:45,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:44:45,764 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 421 [2023-08-29 03:44:45,765 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 33 transitions, 82 flow. Second operand has 6 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:45,766 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:45,766 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 421 [2023-08-29 03:44:45,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:45,965 INFO L130 PetriNetUnfolder]: 242/431 cut-off events. [2023-08-29 03:44:45,966 INFO L131 PetriNetUnfolder]: For 127/127 co-relation queries the response was YES. [2023-08-29 03:44:45,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 431 events. 242/431 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1527 event pairs, 12 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 977. Up to 156 conditions per place. [2023-08-29 03:44:45,969 INFO L137 encePairwiseOnDemand]: 416/421 looper letters, 54 selfloop transitions, 4 changer transitions 0/68 dead transitions. [2023-08-29 03:44:45,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 68 transitions, 320 flow [2023-08-29 03:44:45,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:44:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:44:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1051 transitions. [2023-08-29 03:44:45,990 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4160728424386382 [2023-08-29 03:44:45,991 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1051 transitions. [2023-08-29 03:44:45,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1051 transitions. [2023-08-29 03:44:45,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:45,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1051 transitions. [2023-08-29 03:44:45,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 175.16666666666666) internal successors, (1051), 6 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,001 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,002 INFO L175 Difference]: Start difference. First operand has 35 places, 33 transitions, 82 flow. Second operand 6 states and 1051 transitions. [2023-08-29 03:44:46,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 68 transitions, 320 flow [2023-08-29 03:44:46,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 68 transitions, 305 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:44:46,004 INFO L231 Difference]: Finished difference. Result has 38 places, 32 transitions, 85 flow [2023-08-29 03:44:46,004 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=85, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2023-08-29 03:44:46,005 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, -31 predicate places. [2023-08-29 03:44:46,005 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 85 flow [2023-08-29 03:44:46,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,006 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:46,007 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:46,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:44:46,007 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:44:46,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:46,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1688446192, now seen corresponding path program 1 times [2023-08-29 03:44:46,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:46,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156302600] [2023-08-29 03:44:46,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:46,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:46,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:46,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156302600] [2023-08-29 03:44:46,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156302600] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:46,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:46,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:44:46,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576802091] [2023-08-29 03:44:46,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:46,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:44:46,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:46,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:44:46,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:44:46,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 421 [2023-08-29 03:44:46,050 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,050 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:46,050 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 421 [2023-08-29 03:44:46,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:46,098 INFO L130 PetriNetUnfolder]: 90/255 cut-off events. [2023-08-29 03:44:46,098 INFO L131 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2023-08-29 03:44:46,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 255 events. 90/255 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1029 event pairs, 50 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 510. Up to 156 conditions per place. [2023-08-29 03:44:46,100 INFO L137 encePairwiseOnDemand]: 419/421 looper letters, 18 selfloop transitions, 1 changer transitions 0/31 dead transitions. [2023-08-29 03:44:46,100 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 31 transitions, 121 flow [2023-08-29 03:44:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:44:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:44:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2023-08-29 03:44:46,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4251781472684085 [2023-08-29 03:44:46,103 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 537 transitions. [2023-08-29 03:44:46,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions. [2023-08-29 03:44:46,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:46,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions. [2023-08-29 03:44:46,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,108 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,108 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 85 flow. Second operand 3 states and 537 transitions. [2023-08-29 03:44:46,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 31 transitions, 121 flow [2023-08-29 03:44:46,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 31 transitions, 114 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:44:46,110 INFO L231 Difference]: Finished difference. Result has 35 places, 31 transitions, 78 flow [2023-08-29 03:44:46,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=35, PETRI_TRANSITIONS=31} [2023-08-29 03:44:46,111 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, -34 predicate places. [2023-08-29 03:44:46,111 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 31 transitions, 78 flow [2023-08-29 03:44:46,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:46,112 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:46,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:44:46,112 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:44:46,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:46,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1674728319, now seen corresponding path program 1 times [2023-08-29 03:44:46,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:46,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429611331] [2023-08-29 03:44:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:46,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:46,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429611331] [2023-08-29 03:44:46,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429611331] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:46,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:46,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:44:46,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474980801] [2023-08-29 03:44:46,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:46,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:44:46,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:46,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:44:46,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:44:46,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 421 [2023-08-29 03:44:46,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 31 transitions, 78 flow. Second operand has 6 states, 6 states have (on average 169.16666666666666) internal successors, (1015), 6 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,514 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:46,514 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 421 [2023-08-29 03:44:46,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:46,616 INFO L130 PetriNetUnfolder]: 126/281 cut-off events. [2023-08-29 03:44:46,617 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2023-08-29 03:44:46,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 281 events. 126/281 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1062 event pairs, 38 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 585. Up to 123 conditions per place. [2023-08-29 03:44:46,618 INFO L137 encePairwiseOnDemand]: 416/421 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2023-08-29 03:44:46,618 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 54 transitions, 240 flow [2023-08-29 03:44:46,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:44:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:44:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1043 transitions. [2023-08-29 03:44:46,621 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41290577988915284 [2023-08-29 03:44:46,622 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1043 transitions. [2023-08-29 03:44:46,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1043 transitions. [2023-08-29 03:44:46,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:46,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1043 transitions. [2023-08-29 03:44:46,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,630 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,631 INFO L175 Difference]: Start difference. First operand has 35 places, 31 transitions, 78 flow. Second operand 6 states and 1043 transitions. [2023-08-29 03:44:46,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 54 transitions, 240 flow [2023-08-29 03:44:46,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 54 transitions, 239 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:44:46,632 INFO L231 Difference]: Finished difference. Result has 38 places, 0 transitions, 0 flow [2023-08-29 03:44:46,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=38, PETRI_TRANSITIONS=0} [2023-08-29 03:44:46,633 INFO L281 CegarLoopForPetriNet]: 69 programPoint places, -31 predicate places. [2023-08-29 03:44:46,633 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 0 transitions, 0 flow [2023-08-29 03:44:46,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.16666666666666) internal successors, (1015), 6 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:46,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2023-08-29 03:44:46,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2023-08-29 03:44:46,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2023-08-29 03:44:46,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2023-08-29 03:44:46,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2023-08-29 03:44:46,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2023-08-29 03:44:46,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2023-08-29 03:44:46,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2023-08-29 03:44:46,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2023-08-29 03:44:46,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2023-08-29 03:44:46,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2023-08-29 03:44:46,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2023-08-29 03:44:46,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2023-08-29 03:44:46,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2023-08-29 03:44:46,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2023-08-29 03:44:46,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2023-08-29 03:44:46,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2023-08-29 03:44:46,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2023-08-29 03:44:46,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2023-08-29 03:44:46,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2023-08-29 03:44:46,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2023-08-29 03:44:46,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2023-08-29 03:44:46,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2023-08-29 03:44:46,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2023-08-29 03:44:46,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2023-08-29 03:44:46,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2023-08-29 03:44:46,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2023-08-29 03:44:46,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2023-08-29 03:44:46,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2023-08-29 03:44:46,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2023-08-29 03:44:46,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2023-08-29 03:44:46,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2023-08-29 03:44:46,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2023-08-29 03:44:46,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2023-08-29 03:44:46,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2023-08-29 03:44:46,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2023-08-29 03:44:46,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 63 remaining) [2023-08-29 03:44:46,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 63 remaining) [2023-08-29 03:44:46,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (24 of 63 remaining) [2023-08-29 03:44:46,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (23 of 63 remaining) [2023-08-29 03:44:46,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 63 remaining) [2023-08-29 03:44:46,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2023-08-29 03:44:46,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2023-08-29 03:44:46,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2023-08-29 03:44:46,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2023-08-29 03:44:46,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2023-08-29 03:44:46,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2023-08-29 03:44:46,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2023-08-29 03:44:46,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2023-08-29 03:44:46,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2023-08-29 03:44:46,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2023-08-29 03:44:46,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2023-08-29 03:44:46,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2023-08-29 03:44:46,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2023-08-29 03:44:46,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2023-08-29 03:44:46,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2023-08-29 03:44:46,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2023-08-29 03:44:46,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2023-08-29 03:44:46,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2023-08-29 03:44:46,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2023-08-29 03:44:46,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2023-08-29 03:44:46,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2023-08-29 03:44:46,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2023-08-29 03:44:46,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:44:46,648 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 03:44:46,653 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:44:46,653 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:44:46,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:44:46 BasicIcfg [2023-08-29 03:44:46,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:44:46,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:44:46,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:44:46,657 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:44:46,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:38" (3/4) ... [2023-08-29 03:44:46,660 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:44:46,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:44:46,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:44:46,668 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-29 03:44:46,668 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:44:46,668 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:44:46,669 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:44:46,702 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:44:46,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:44:46,703 INFO L158 Benchmark]: Toolchain (without parser) took 9719.12ms. Allocated memory was 67.1MB in the beginning and 142.6MB in the end (delta: 75.5MB). Free memory was 32.3MB in the beginning and 44.1MB in the end (delta: -11.8MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2023-08-29 03:44:46,704 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:44:46,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.95ms. Allocated memory is still 67.1MB. Free memory was 32.1MB in the beginning and 37.9MB in the end (delta: -5.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-08-29 03:44:46,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.91ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 35.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:44:46,704 INFO L158 Benchmark]: Boogie Preprocessor took 48.45ms. Allocated memory is still 67.1MB. Free memory was 35.1MB in the beginning and 32.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:44:46,705 INFO L158 Benchmark]: RCFGBuilder took 1044.73ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 32.8MB in the beginning and 38.1MB in the end (delta: -5.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-08-29 03:44:46,705 INFO L158 Benchmark]: TraceAbstraction took 8164.01ms. Allocated memory was 90.2MB in the beginning and 142.6MB in the end (delta: 52.4MB). Free memory was 37.5MB in the beginning and 47.2MB in the end (delta: -9.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-08-29 03:44:46,705 INFO L158 Benchmark]: Witness Printer took 45.77ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 44.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:44:46,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.95ms. Allocated memory is still 67.1MB. Free memory was 32.1MB in the beginning and 37.9MB in the end (delta: -5.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.91ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 35.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.45ms. Allocated memory is still 67.1MB. Free memory was 35.1MB in the beginning and 32.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1044.73ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 32.8MB in the beginning and 38.1MB in the end (delta: -5.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8164.01ms. Allocated memory was 90.2MB in the beginning and 142.6MB in the end (delta: 52.4MB). Free memory was 37.5MB in the beginning and 47.2MB in the end (delta: -9.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Witness Printer took 45.77ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 44.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8s, 193 PlacesBefore, 69 PlacesAfterwards, 197 TransitionsBefore, 66 TransitionsAfterwards, 4062 CoEnabledTransitionPairs, 8 FixpointIterations, 119 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 12 ConcurrentYvCompositions, 7 ChoiceCompositions, 204 TotalNumberOfCompositions, 14684 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7454, independent: 7107, independent conditional: 0, independent unconditional: 7107, dependent: 347, dependent conditional: 0, dependent unconditional: 347, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1838, independent: 1778, independent conditional: 0, independent unconditional: 1778, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7454, independent: 5329, independent conditional: 0, independent unconditional: 5329, dependent: 287, dependent conditional: 0, dependent unconditional: 287, unknown: 1838, unknown conditional: 0, unknown unconditional: 1838] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 277, Positive conditional cache size: 0, Positive unconditional cache size: 277, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 105]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 267 locations, 63 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: 8.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 4 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:44:46,729 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