./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/triangular-longer-2.i --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/pthread/triangular-longer-2.i -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 647bb9f2bc4e44b8324ce986a0773d034e56e6ec110a9fd5233f5c8c0dbbeb10 --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 09:26:24,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:26:24,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:26:24,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:26:24,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:26:24,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:26:24,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:26:24,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:26:24,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:26:24,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:26:24,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:26:24,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:26:24,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:26:24,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:26:24,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:26:24,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:26:24,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:26:24,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:26:24,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:26:24,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:26:24,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:26:24,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:26:24,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:26:24,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:26:24,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:26:24,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:26:24,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:26:24,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:26:24,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:26:24,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:26:24,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:26:24,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:26:24,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:26:24,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:26:24,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:26:24,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:26:24,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:26:24,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:26:24,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:26:24,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:26:24,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:26:24,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:26:24,878 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:26:24,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:26:24,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:26:24,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:26:24,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:26:24,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:26:24,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:26:24,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:26:24,884 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:26:24,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:26:24,885 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:26:24,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:26:24,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:26:24,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:26:24,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:26:24,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:26:24,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:26:24,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:26:24,886 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:26:24,887 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:26:24,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:26:24,887 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:26:24,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:26:24,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:26:24,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:26:24,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:26:24,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:26:24,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:26:24,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:26:24,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:26:24,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:26:24,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:26:24,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:26:24,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:26:24,890 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:26:24,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:26:24,890 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:26:24,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 647bb9f2bc4e44b8324ce986a0773d034e56e6ec110a9fd5233f5c8c0dbbeb10 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:26:25,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:26:25,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:26:25,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:26:25,214 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:26:25,215 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:26:25,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-longer-2.i [2023-08-29 09:26:26,429 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:26:26,703 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:26:26,707 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-2.i [2023-08-29 09:26:26,724 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a019eee4d/0f095c2916964023ab306f6329695db1/FLAGb8267afe2 [2023-08-29 09:26:26,744 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a019eee4d/0f095c2916964023ab306f6329695db1 [2023-08-29 09:26:26,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:26:26,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:26:26,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:26:26,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:26:26,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:26:26,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:26:26" (1/1) ... [2023-08-29 09:26:26,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbc300c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:26, skipping insertion in model container [2023-08-29 09:26:26,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:26:26" (1/1) ... [2023-08-29 09:26:26,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:26:26,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:26:27,090 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-2.i[30963,30976] [2023-08-29 09:26:27,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:26:27,101 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:26:27,161 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-2.i[30963,30976] [2023-08-29 09:26:27,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:26:27,198 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:26:27,198 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:26:27,204 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:26:27,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27 WrapperNode [2023-08-29 09:26:27,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:26:27,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:26:27,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:26:27,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:26:27,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,263 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-08-29 09:26:27,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:26:27,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:26:27,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:26:27,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:26:27,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:26:27,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:26:27,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:26:27,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:26:27,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (1/1) ... [2023-08-29 09:26:27,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:26:27,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:26:27,350 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 09:26:27,376 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 09:26:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-29 09:26:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-29 09:26:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-29 09:26:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-29 09:26:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:26:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:26:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:26:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:26:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:26:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:26:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:26:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:26:27,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:26:27,392 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 09:26:27,537 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:26:27,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:26:27,682 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:26:27,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:26:27,725 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:26:27,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:26:27 BoogieIcfgContainer [2023-08-29 09:26:27,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:26:27,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:26:27,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:26:27,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:26:27,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:26:26" (1/3) ... [2023-08-29 09:26:27,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@891cfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:26:27, skipping insertion in model container [2023-08-29 09:26:27,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:26:27" (2/3) ... [2023-08-29 09:26:27,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@891cfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:26:27, skipping insertion in model container [2023-08-29 09:26:27,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:26:27" (3/3) ... [2023-08-29 09:26:27,734 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longer-2.i [2023-08-29 09:26:27,741 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:26:27,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:26:27,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 09:26:27,750 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:26:27,788 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:26:27,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 71 transitions, 152 flow [2023-08-29 09:26:27,846 INFO L130 PetriNetUnfolder]: 5/69 cut-off events. [2023-08-29 09:26:27,846 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:26:27,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 69 events. 5/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 96 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-29 09:26:27,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 71 transitions, 152 flow [2023-08-29 09:26:27,855 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 69 transitions, 144 flow [2023-08-29 09:26:27,858 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:26:27,866 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 69 transitions, 144 flow [2023-08-29 09:26:27,869 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 69 transitions, 144 flow [2023-08-29 09:26:27,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 69 transitions, 144 flow [2023-08-29 09:26:27,884 INFO L130 PetriNetUnfolder]: 5/69 cut-off events. [2023-08-29 09:26:27,885 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:26:27,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 69 events. 5/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 96 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-29 09:26:27,887 INFO L119 LiptonReduction]: Number of co-enabled transitions 1378 [2023-08-29 09:26:29,931 INFO L134 LiptonReduction]: Checked pairs total: 1452 [2023-08-29 09:26:29,932 INFO L136 LiptonReduction]: Total number of compositions: 63 [2023-08-29 09:26:29,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:26:29,950 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;@2847a8d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:26:29,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-08-29 09:26:29,954 INFO L130 PetriNetUnfolder]: 1/5 cut-off events. [2023-08-29 09:26:29,954 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:26:29,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:26:29,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:26:29,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2023-08-29 09:26:29,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:26:29,960 INFO L85 PathProgramCache]: Analyzing trace with hash 9880796, now seen corresponding path program 1 times [2023-08-29 09:26:29,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:26:29,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30021930] [2023-08-29 09:26:29,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:26:29,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:26:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:26:30,133 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 09:26:30,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:26:30,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30021930] [2023-08-29 09:26:30,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30021930] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:26:30,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:26:30,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:26:30,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839571512] [2023-08-29 09:26:30,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:26:30,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:26:30,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:26:30,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:26:30,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:26:30,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 134 [2023-08-29 09:26:30,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 18 transitions, 42 flow. Second operand has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 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 09:26:30,175 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:26:30,176 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 134 [2023-08-29 09:26:30,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:26:30,242 INFO L130 PetriNetUnfolder]: 52/86 cut-off events. [2023-08-29 09:26:30,243 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:26:30,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 86 events. 52/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 171 event pairs, 32 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 174. Up to 87 conditions per place. [2023-08-29 09:26:30,244 INFO L137 encePairwiseOnDemand]: 128/134 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-08-29 09:26:30,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 12 transitions, 54 flow [2023-08-29 09:26:30,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:26:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:26:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 128 transitions. [2023-08-29 09:26:30,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47761194029850745 [2023-08-29 09:26:30,263 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 128 transitions. [2023-08-29 09:26:30,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 128 transitions. [2023-08-29 09:26:30,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:26:30,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 128 transitions. [2023-08-29 09:26:30,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 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 09:26:30,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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 09:26:30,278 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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 09:26:30,280 INFO L175 Difference]: Start difference. First operand has 23 places, 18 transitions, 42 flow. Second operand 2 states and 128 transitions. [2023-08-29 09:26:30,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 12 transitions, 54 flow [2023-08-29 09:26:30,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 12 transitions, 52 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:26:30,284 INFO L231 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2023-08-29 09:26:30,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2023-08-29 09:26:30,289 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, -7 predicate places. [2023-08-29 09:26:30,290 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 0 transitions, 0 flow [2023-08-29 09:26:30,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 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 09:26:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-08-29 09:26:30,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-08-29 09:26:30,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2023-08-29 09:26:30,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2023-08-29 09:26:30,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-08-29 09:26:30,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-08-29 09:26:30,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-08-29 09:26:30,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-08-29 09:26:30,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-08-29 09:26:30,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2023-08-29 09:26:30,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2023-08-29 09:26:30,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-08-29 09:26:30,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 09:26:30,308 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 09:26:30,315 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 09:26:30,315 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 09:26:30,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 09:26:30 BasicIcfg [2023-08-29 09:26:30,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 09:26:30,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 09:26:30,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 09:26:30,327 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 09:26:30,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:26:27" (3/4) ... [2023-08-29 09:26:30,329 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 09:26:30,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2023-08-29 09:26:30,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2023-08-29 09:26:30,339 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-08-29 09:26:30,339 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 09:26:30,339 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 09:26:30,339 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 09:26:30,374 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 09:26:30,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 09:26:30,375 INFO L158 Benchmark]: Toolchain (without parser) took 3625.67ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 68.4MB in the beginning and 72.2MB in the end (delta: -3.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-08-29 09:26:30,375 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:26:30,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.45ms. Allocated memory is still 90.2MB. Free memory was 68.2MB in the beginning and 48.8MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-29 09:26:30,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.80ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 69.9MB in the end (delta: -21.1MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-08-29 09:26:30,376 INFO L158 Benchmark]: Boogie Preprocessor took 46.44ms. Allocated memory is still 90.2MB. Free memory was 69.9MB in the beginning and 68.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:26:30,376 INFO L158 Benchmark]: RCFGBuilder took 409.49ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 53.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-29 09:26:30,378 INFO L158 Benchmark]: TraceAbstraction took 2595.39ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 74.4MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:26:30,378 INFO L158 Benchmark]: Witness Printer took 47.97ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 72.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:26:30,380 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 is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.45ms. Allocated memory is still 90.2MB. Free memory was 68.2MB in the beginning and 48.8MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.80ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 69.9MB in the end (delta: -21.1MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.44ms. Allocated memory is still 90.2MB. Free memory was 69.9MB in the beginning and 68.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.49ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 53.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2595.39ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 74.4MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.97ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 72.2MB in the end (delta: 2.1MB). 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: 2.1s, 71 PlacesBefore, 23 PlacesAfterwards, 69 TransitionsBefore, 18 TransitionsAfterwards, 1378 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 63 TotalNumberOfCompositions, 1452 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1138, independent: 1108, independent conditional: 0, independent unconditional: 1108, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 691, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1138, independent: 433, independent conditional: 0, independent unconditional: 433, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 691, unknown conditional: 0, unknown unconditional: 691] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: 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, 93 locations, 12 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: 2.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 09:26:30,409 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