./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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-queue-add-2.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 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 19:14:05,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:14:05,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:14:05,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:14:05,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:14:05,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:14:05,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:14:05,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:14:05,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:14:05,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:14:05,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:14:05,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:14:05,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:14:05,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:14:05,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:14:05,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:14:05,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:14:05,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:14:05,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:14:05,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:14:05,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:14:05,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:14:05,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:14:05,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:14:05,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:14:05,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:14:05,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:14:05,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:14:05,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:14:05,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:14:05,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:14:05,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:14:05,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:14:05,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:14:05,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:14:05,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:14:05,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:14:05,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:14:05,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:14:05,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:14:05,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:14:05,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:14:05,875 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:14:05,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:14:05,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:14:05,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:14:05,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:14:05,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:14:05,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:14:05,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:14:05,878 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:14:05,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:14:05,879 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:14:05,879 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:14:05,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:14:05,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:14:05,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:14:05,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:14:05,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:14:05,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:14:05,881 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:14:05,881 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:14:05,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:14:05,881 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:14:05,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:14:05,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:14:05,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:14:05,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:14:05,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:14:05,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:14:05,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:14:05,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:14:05,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:14:05,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:14:05,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:14:05,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:14:05,884 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:14:05,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:14:05,884 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:14:05,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:14:06,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:14:06,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:14:06,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:14:06,245 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:14:06,246 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:14:06,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2023-08-29 19:14:07,385 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:14:07,618 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:14:07,619 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2023-08-29 19:14:07,627 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6351d635/c162bf7954204e3dbca8dd594093c033/FLAGf1a8e97dc [2023-08-29 19:14:07,649 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6351d635/c162bf7954204e3dbca8dd594093c033 [2023-08-29 19:14:07,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:14:07,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:14:07,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:14:07,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:14:07,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:14:07,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:07,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dbbf069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07, skipping insertion in model container [2023-08-29 19:14:07,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:07,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:14:07,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:14:07,892 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-queue-add-2.wvr.c[2696,2709] [2023-08-29 19:14:07,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:14:07,913 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:14:07,957 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-queue-add-2.wvr.c[2696,2709] [2023-08-29 19:14:07,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:14:07,972 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:14:07,973 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:14:07,978 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:14:07,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07 WrapperNode [2023-08-29 19:14:07,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:14:07,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:14:07,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:14:07,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:14:07,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,053 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 296 [2023-08-29 19:14:08,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:14:08,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:14:08,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:14:08,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:14:08,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,094 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:14:08,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:14:08,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:14:08,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:14:08,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (1/1) ... [2023-08-29 19:14:08,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:14:08,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:14:08,134 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 19:14:08,163 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 19:14:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:14:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:14:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:14:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:14:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:14:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:14:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:14:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:14:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 19:14:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 19:14:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 19:14:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:14:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:14:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:14:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:14:08,184 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 19:14:08,279 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:14:08,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:14:08,772 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:14:09,044 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:14:09,044 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 19:14:09,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:09 BoogieIcfgContainer [2023-08-29 19:14:09,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:14:09,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:14:09,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:14:09,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:14:09,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:14:07" (1/3) ... [2023-08-29 19:14:09,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcc57ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:14:09, skipping insertion in model container [2023-08-29 19:14:09,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:07" (2/3) ... [2023-08-29 19:14:09,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcc57ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:14:09, skipping insertion in model container [2023-08-29 19:14:09,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:09" (3/3) ... [2023-08-29 19:14:09,054 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2023-08-29 19:14:09,061 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:14:09,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:14:09,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-08-29 19:14:09,068 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:14:09,132 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 19:14:09,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 219 places, 223 transitions, 462 flow [2023-08-29 19:14:09,256 INFO L130 PetriNetUnfolder]: 11/221 cut-off events. [2023-08-29 19:14:09,257 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:14:09,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 221 events. 11/221 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 298 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 154. Up to 3 conditions per place. [2023-08-29 19:14:09,262 INFO L82 GeneralOperation]: Start removeDead. Operand has 219 places, 223 transitions, 462 flow [2023-08-29 19:14:09,267 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 203 places, 206 transitions, 424 flow [2023-08-29 19:14:09,270 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:14:09,278 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 206 transitions, 424 flow [2023-08-29 19:14:09,280 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 206 transitions, 424 flow [2023-08-29 19:14:09,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 206 transitions, 424 flow [2023-08-29 19:14:09,315 INFO L130 PetriNetUnfolder]: 10/206 cut-off events. [2023-08-29 19:14:09,315 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:14:09,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 206 events. 10/206 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 292 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 154. Up to 3 conditions per place. [2023-08-29 19:14:09,319 INFO L119 LiptonReduction]: Number of co-enabled transitions 3588 [2023-08-29 19:14:16,647 INFO L134 LiptonReduction]: Checked pairs total: 10021 [2023-08-29 19:14:16,648 INFO L136 LiptonReduction]: Total number of compositions: 226 [2023-08-29 19:14:16,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:14:16,665 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;@4a12746d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:14:16,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-08-29 19:14:16,667 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:14:16,667 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:14:16,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:16,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:14:16,668 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 19:14:16,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:16,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1157, now seen corresponding path program 1 times [2023-08-29 19:14:16,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:16,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000559093] [2023-08-29 19:14:16,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:16,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:16,762 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 19:14:16,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:16,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000559093] [2023-08-29 19:14:16,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000559093] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:16,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:16,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:14:16,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561174901] [2023-08-29 19:14:16,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:16,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:14:16,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:16,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:14:16,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:14:16,804 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 449 [2023-08-29 19:14:16,808 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 144 flow. Second operand has 2 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 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 19:14:16,808 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:16,809 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 449 [2023-08-29 19:14:16,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:16,886 INFO L130 PetriNetUnfolder]: 49/127 cut-off events. [2023-08-29 19:14:16,886 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2023-08-29 19:14:16,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 127 events. 49/127 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 368 event pairs, 19 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 159. Up to 80 conditions per place. [2023-08-29 19:14:16,890 INFO L137 encePairwiseOnDemand]: 409/449 looper letters, 13 selfloop transitions, 0 changer transitions 1/26 dead transitions. [2023-08-29 19:14:16,891 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 26 transitions, 92 flow [2023-08-29 19:14:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:14:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:14:16,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 416 transitions. [2023-08-29 19:14:16,909 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46325167037861914 [2023-08-29 19:14:16,910 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 416 transitions. [2023-08-29 19:14:16,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 416 transitions. [2023-08-29 19:14:16,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:16,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 416 transitions. [2023-08-29 19:14:16,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 208.0) internal successors, (416), 2 states have internal predecessors, (416), 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 19:14:16,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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 19:14:16,925 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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 19:14:16,926 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 144 flow. Second operand 2 states and 416 transitions. [2023-08-29 19:14:16,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 26 transitions, 92 flow [2023-08-29 19:14:16,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 26 transitions, 84 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:14:16,932 INFO L231 Difference]: Finished difference. Result has 27 places, 25 transitions, 53 flow [2023-08-29 19:14:16,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=53, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2023-08-29 19:14:16,938 INFO L281 CegarLoopForPetriNet]: 70 programPoint places, -43 predicate places. [2023-08-29 19:14:16,939 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 53 flow [2023-08-29 19:14:16,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 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 19:14:16,942 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:16,942 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:16,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:14:16,943 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 19:14:16,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:16,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1966469400, now seen corresponding path program 1 times [2023-08-29 19:14:16,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:16,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179216450] [2023-08-29 19:14:16,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:16,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:17,576 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 19:14:17,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:17,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179216450] [2023-08-29 19:14:17,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179216450] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:17,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:17,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:17,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783339820] [2023-08-29 19:14:17,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:17,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:17,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:17,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:17,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:17,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 449 [2023-08-29 19:14:17,692 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 53 flow. Second operand has 6 states, 6 states have (on average 169.66666666666666) internal successors, (1018), 6 states have internal predecessors, (1018), 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 19:14:17,692 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:17,692 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 449 [2023-08-29 19:14:17,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:17,855 INFO L130 PetriNetUnfolder]: 145/228 cut-off events. [2023-08-29 19:14:17,856 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:14:17,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 228 events. 145/228 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 642 event pairs, 5 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 442. Up to 80 conditions per place. [2023-08-29 19:14:17,857 INFO L137 encePairwiseOnDemand]: 444/449 looper letters, 29 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2023-08-29 19:14:17,858 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 40 transitions, 149 flow [2023-08-29 19:14:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:17,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1042 transitions. [2023-08-29 19:14:17,861 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3867854491462509 [2023-08-29 19:14:17,861 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1042 transitions. [2023-08-29 19:14:17,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1042 transitions. [2023-08-29 19:14:17,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:17,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1042 transitions. [2023-08-29 19:14:17,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 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 19:14:17,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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 19:14:17,871 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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 19:14:17,871 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 53 flow. Second operand 6 states and 1042 transitions. [2023-08-29 19:14:17,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 40 transitions, 149 flow [2023-08-29 19:14:17,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 40 transitions, 149 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:14:17,872 INFO L231 Difference]: Finished difference. Result has 30 places, 24 transitions, 59 flow [2023-08-29 19:14:17,873 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=59, PETRI_PLACES=30, PETRI_TRANSITIONS=24} [2023-08-29 19:14:17,873 INFO L281 CegarLoopForPetriNet]: 70 programPoint places, -40 predicate places. [2023-08-29 19:14:17,874 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 24 transitions, 59 flow [2023-08-29 19:14:17,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.66666666666666) internal successors, (1018), 6 states have internal predecessors, (1018), 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 19:14:17,874 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:17,875 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:17,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:14:17,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 19:14:17,875 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:17,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2014368448, now seen corresponding path program 1 times [2023-08-29 19:14:17,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:17,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612239499] [2023-08-29 19:14:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:17,974 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 19:14:17,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:17,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612239499] [2023-08-29 19:14:17,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612239499] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:17,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:17,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 19:14:17,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757225348] [2023-08-29 19:14:17,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:17,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 19:14:17,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:17,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 19:14:17,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 19:14:18,011 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 449 [2023-08-29 19:14:18,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 24 transitions, 59 flow. Second operand has 4 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 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 19:14:18,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:18,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 449 [2023-08-29 19:14:18,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:18,081 INFO L130 PetriNetUnfolder]: 45/128 cut-off events. [2023-08-29 19:14:18,081 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 19:14:18,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 128 events. 45/128 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 362 event pairs, 18 based on Foata normal form. 5/101 useless extension candidates. Maximal degree in co-relation 241. Up to 74 conditions per place. [2023-08-29 19:14:18,082 INFO L137 encePairwiseOnDemand]: 442/449 looper letters, 12 selfloop transitions, 2 changer transitions 5/30 dead transitions. [2023-08-29 19:14:18,082 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 113 flow [2023-08-29 19:14:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 19:14:18,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 19:14:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 723 transitions. [2023-08-29 19:14:18,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40256124721603564 [2023-08-29 19:14:18,085 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 723 transitions. [2023-08-29 19:14:18,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 723 transitions. [2023-08-29 19:14:18,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:18,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 723 transitions. [2023-08-29 19:14:18,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 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 19:14:18,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 449.0) internal successors, (2245), 5 states have internal predecessors, (2245), 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 19:14:18,091 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 449.0) internal successors, (2245), 5 states have internal predecessors, (2245), 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 19:14:18,091 INFO L175 Difference]: Start difference. First operand has 30 places, 24 transitions, 59 flow. Second operand 4 states and 723 transitions. [2023-08-29 19:14:18,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 113 flow [2023-08-29 19:14:18,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 104 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:14:18,093 INFO L231 Difference]: Finished difference. Result has 31 places, 25 transitions, 72 flow [2023-08-29 19:14:18,093 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=72, PETRI_PLACES=31, PETRI_TRANSITIONS=25} [2023-08-29 19:14:18,094 INFO L281 CegarLoopForPetriNet]: 70 programPoint places, -39 predicate places. [2023-08-29 19:14:18,094 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 25 transitions, 72 flow [2023-08-29 19:14:18,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 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 19:14:18,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:18,095 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:18,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:14:18,095 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 19:14:18,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:18,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1676587736, now seen corresponding path program 1 times [2023-08-29 19:14:18,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:18,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932476714] [2023-08-29 19:14:18,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:18,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:14:18,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:18,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932476714] [2023-08-29 19:14:18,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932476714] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:18,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:18,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:18,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047677062] [2023-08-29 19:14:18,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:18,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:18,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:18,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:18,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:18,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 449 [2023-08-29 19:14:18,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 72 flow. Second operand has 6 states, 6 states have (on average 170.33333333333334) internal successors, (1022), 6 states have internal predecessors, (1022), 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 19:14:18,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:18,455 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 449 [2023-08-29 19:14:18,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:18,563 INFO L130 PetriNetUnfolder]: 65/134 cut-off events. [2023-08-29 19:14:18,563 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2023-08-29 19:14:18,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 134 events. 65/134 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 358 event pairs, 17 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 328. Up to 73 conditions per place. [2023-08-29 19:14:18,564 INFO L137 encePairwiseOnDemand]: 444/449 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2023-08-29 19:14:18,564 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 32 transitions, 154 flow [2023-08-29 19:14:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1034 transitions. [2023-08-29 19:14:18,567 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3838158871566444 [2023-08-29 19:14:18,568 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1034 transitions. [2023-08-29 19:14:18,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1034 transitions. [2023-08-29 19:14:18,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:18,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1034 transitions. [2023-08-29 19:14:18,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.33333333333334) internal successors, (1034), 6 states have internal predecessors, (1034), 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 19:14:18,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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 19:14:18,577 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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 19:14:18,577 INFO L175 Difference]: Start difference. First operand has 31 places, 25 transitions, 72 flow. Second operand 6 states and 1034 transitions. [2023-08-29 19:14:18,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 32 transitions, 154 flow [2023-08-29 19:14:18,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 32 transitions, 150 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 19:14:18,578 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-08-29 19:14:18,579 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2023-08-29 19:14:18,579 INFO L281 CegarLoopForPetriNet]: 70 programPoint places, -37 predicate places. [2023-08-29 19:14:18,580 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-08-29 19:14:18,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.33333333333334) internal successors, (1022), 6 states have internal predecessors, (1022), 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 19:14:18,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-08-29 19:14:18,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-08-29 19:14:18,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-08-29 19:14:18,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-08-29 19:14:18,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-08-29 19:14:18,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-08-29 19:14:18,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-08-29 19:14:18,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-08-29 19:14:18,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-08-29 19:14:18,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-08-29 19:14:18,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-08-29 19:14:18,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-08-29 19:14:18,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-08-29 19:14:18,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-08-29 19:14:18,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-08-29 19:14:18,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-08-29 19:14:18,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-08-29 19:14:18,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-08-29 19:14:18,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-08-29 19:14:18,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-08-29 19:14:18,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-08-29 19:14:18,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-08-29 19:14:18,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-08-29 19:14:18,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-08-29 19:14:18,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-08-29 19:14:18,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-08-29 19:14:18,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-08-29 19:14:18,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-08-29 19:14:18,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-08-29 19:14:18,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-08-29 19:14:18,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-08-29 19:14:18,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-08-29 19:14:18,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-08-29 19:14:18,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-08-29 19:14:18,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-08-29 19:14:18,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-08-29 19:14:18,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-08-29 19:14:18,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-08-29 19:14:18,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-08-29 19:14:18,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-08-29 19:14:18,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2023-08-29 19:14:18,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 73 remaining) [2023-08-29 19:14:18,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-08-29 19:14:18,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 73 remaining) [2023-08-29 19:14:18,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-08-29 19:14:18,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-08-29 19:14:18,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-08-29 19:14:18,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-08-29 19:14:18,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-08-29 19:14:18,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-08-29 19:14:18,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-08-29 19:14:18,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-08-29 19:14:18,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-08-29 19:14:18,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-08-29 19:14:18,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-08-29 19:14:18,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-08-29 19:14:18,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-08-29 19:14:18,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-08-29 19:14:18,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-08-29 19:14:18,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-08-29 19:14:18,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-08-29 19:14:18,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-08-29 19:14:18,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-08-29 19:14:18,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-08-29 19:14:18,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-08-29 19:14:18,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-08-29 19:14:18,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-08-29 19:14:18,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-08-29 19:14:18,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-08-29 19:14:18,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-08-29 19:14:18,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-08-29 19:14:18,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-08-29 19:14:18,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-08-29 19:14:18,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 19:14:18,598 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 19:14:18,603 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 19:14:18,603 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 19:14:18,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:14:18 BasicIcfg [2023-08-29 19:14:18,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 19:14:18,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 19:14:18,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 19:14:18,608 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 19:14:18,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:09" (3/4) ... [2023-08-29 19:14:18,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 19:14:18,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 19:14:18,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 19:14:18,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-08-29 19:14:18,620 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 19:14:18,620 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 19:14:18,620 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 19:14:18,653 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 19:14:18,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 19:14:18,654 INFO L158 Benchmark]: Toolchain (without parser) took 11001.31ms. Allocated memory was 81.8MB in the beginning and 125.8MB in the end (delta: 44.0MB). Free memory was 59.5MB in the beginning and 71.0MB in the end (delta: -11.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-08-29 19:14:18,654 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 19:14:18,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.09ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 47.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 19:14:18,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.41ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 44.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 19:14:18,655 INFO L158 Benchmark]: Boogie Preprocessor took 41.75ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 42.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:14:18,655 INFO L158 Benchmark]: RCFGBuilder took 948.24ms. Allocated memory is still 81.8MB. Free memory was 42.0MB in the beginning and 50.0MB in the end (delta: -8.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-08-29 19:14:18,656 INFO L158 Benchmark]: TraceAbstraction took 9558.68ms. Allocated memory was 81.8MB in the beginning and 125.8MB in the end (delta: 44.0MB). Free memory was 49.5MB in the beginning and 74.1MB in the end (delta: -24.6MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2023-08-29 19:14:18,656 INFO L158 Benchmark]: Witness Printer took 45.96ms. Allocated memory is still 125.8MB. Free memory was 74.1MB in the beginning and 71.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:14:18,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.09ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 47.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.41ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 44.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.75ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 42.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 948.24ms. Allocated memory is still 81.8MB. Free memory was 42.0MB in the beginning and 50.0MB in the end (delta: -8.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9558.68ms. Allocated memory was 81.8MB in the beginning and 125.8MB in the end (delta: 44.0MB). Free memory was 49.5MB in the beginning and 74.1MB in the end (delta: -24.6MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Witness Printer took 45.96ms. Allocated memory is still 125.8MB. Free memory was 74.1MB in the beginning and 71.0MB 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: 7.4s, 203 PlacesBefore, 70 PlacesAfterwards, 206 TransitionsBefore, 66 TransitionsAfterwards, 3588 CoEnabledTransitionPairs, 8 FixpointIterations, 134 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 5 ConcurrentYvCompositions, 7 ChoiceCompositions, 226 TotalNumberOfCompositions, 10021 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4417, independent: 4189, independent conditional: 0, independent unconditional: 4189, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1513, independent: 1453, independent conditional: 0, independent unconditional: 1453, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4417, independent: 2736, independent conditional: 0, independent unconditional: 2736, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 1513, unknown conditional: 0, unknown unconditional: 1513] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 147, Positive conditional cache size: 0, Positive unconditional cache size: 147, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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, 270 locations, 73 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: 9.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 210 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 393 IncrementalHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 18 mSDtfsCounter, 393 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1/1 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 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 19:14:18,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE