./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3743abf17a0d3db70a931712c22f305431bb6e8feb7b662539ff9c5190491352 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:58:25,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:58:25,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:58:25,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:58:25,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:58:25,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:58:25,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:58:25,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:58:25,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:58:25,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:58:25,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:58:25,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:58:25,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:58:25,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:58:25,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:58:25,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:58:25,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:58:25,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:58:25,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:58:25,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:58:25,890 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:58:25,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:58:25,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:58:25,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:58:25,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:58:25,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:58:25,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:58:25,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:58:25,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:58:25,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:58:25,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:58:25,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:58:25,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:58:25,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:58:25,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:58:25,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:58:25,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:58:25,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:58:25,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:58:25,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:58:25,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:58:25,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:58:25,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:58:25,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:58:25,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:58:25,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:58:25,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:58:25,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:58:25,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:58:25,933 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:58:25,933 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:58:25,933 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:58:25,934 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:58:25,934 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:58:25,934 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:58:25,934 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:58:25,934 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:58:25,934 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:58:25,935 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:58:25,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:58:25,935 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:58:25,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:58:25,936 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:58:25,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:58:25,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:58:25,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:58:25,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:58:25,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:58:25,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:58:25,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:58:25,937 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:58:25,937 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:58:25,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:58:25,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:58:25,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:58:25,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:58:25,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:58:25,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:58:25,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:58:25,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:58:25,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:58:25,940 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:58:25,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:58:25,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:58:25,940 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:58:25,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:58:25,941 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3743abf17a0d3db70a931712c22f305431bb6e8feb7b662539ff9c5190491352 [2022-04-18 19:58:26,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:58:26,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:58:26,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:58:26,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:58:26,148 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:58:26,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.i [2022-04-18 19:58:26,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac724edd0/2b5bc7a447af48b4a0f3c3b5ecfc9fec/FLAGa05750fcc [2022-04-18 19:58:26,600 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:58:26,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.i [2022-04-18 19:58:26,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac724edd0/2b5bc7a447af48b4a0f3c3b5ecfc9fec/FLAGa05750fcc [2022-04-18 19:58:26,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac724edd0/2b5bc7a447af48b4a0f3c3b5ecfc9fec [2022-04-18 19:58:26,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:58:26,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:58:26,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:58:26,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:58:26,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:58:26,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:58:26" (1/1) ... [2022-04-18 19:58:26,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4900d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:26, skipping insertion in model container [2022-04-18 19:58:26,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:58:26" (1/1) ... [2022-04-18 19:58:26,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:58:26,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:58:26,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.i[945,958] [2022-04-18 19:58:26,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:58:26,955 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:58:26,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.i[945,958] [2022-04-18 19:58:26,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:58:27,022 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:58:27,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27 WrapperNode [2022-04-18 19:58:27,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:58:27,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:58:27,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:58:27,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:58:27,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,055 INFO L137 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2022-04-18 19:58:27,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:58:27,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:58:27,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:58:27,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:58:27,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:58:27,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:58:27,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:58:27,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:58:27,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (1/1) ... [2022-04-18 19:58:27,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:58:27,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:58:27,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 19:58:27,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 19:58:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:58:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 19:58:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:58:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:58:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:58:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 19:58:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 19:58:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 19:58:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 19:58:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 19:58:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 19:58:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:58:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 19:58:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:58:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:58:27,138 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 19:58:27,211 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:58:27,212 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:58:27,413 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 19:58:27,486 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 19:58:27,486 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 19:58:27,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:58:27 BoogieIcfgContainer [2022-04-18 19:58:27,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 19:58:27,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 19:58:27,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 19:58:27,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 19:58:27,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:58:26" (1/3) ... [2022-04-18 19:58:27,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ec59b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:58:27, skipping insertion in model container [2022-04-18 19:58:27,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:58:27" (2/3) ... [2022-04-18 19:58:27,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ec59b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:58:27, skipping insertion in model container [2022-04-18 19:58:27,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:58:27" (3/3) ... [2022-04-18 19:58:27,494 INFO L111 eAbstractionObserver]: Analyzing ICFG safe002_tso.i [2022-04-18 19:58:27,497 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 19:58:27,497 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 19:58:27,497 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-04-18 19:58:27,498 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 19:58:27,540 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 19:58:27,582 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:58:27,588 INFO L340 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=FINITE_AUTOMATA, 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 [2022-04-18 19:58:27,589 INFO L341 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-04-18 19:58:27,599 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:58:27,607 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 119 transitions, 253 flow [2022-04-18 19:58:27,609 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 119 transitions, 253 flow [2022-04-18 19:58:27,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow [2022-04-18 19:58:27,641 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2022-04-18 19:58:27,642 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 19:58:27,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-04-18 19:58:27,649 INFO L116 LiptonReduction]: Number of co-enabled transitions 4104 [2022-04-18 19:58:31,405 INFO L131 LiptonReduction]: Checked pairs total: 9912 [2022-04-18 19:58:31,405 INFO L133 LiptonReduction]: Total number of compositions: 133 [2022-04-18 19:58:31,414 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 45 transitions, 105 flow [2022-04-18 19:58:31,699 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8821 states, 6718 states have (on average 4.783417683834474) internal successors, (32135), 8820 states have internal predecessors, (32135), 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) [2022-04-18 19:58:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 8821 states, 6718 states have (on average 4.783417683834474) internal successors, (32135), 8820 states have internal predecessors, (32135), 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) [2022-04-18 19:58:31,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-04-18 19:58:31,733 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:58:31,734 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-04-18 19:58:31,734 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-04-18 19:58:31,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:58:31,738 INFO L85 PathProgramCache]: Analyzing trace with hash 642259, now seen corresponding path program 1 times [2022-04-18 19:58:31,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:58:31,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857578334] [2022-04-18 19:58:31,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:58:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:58:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:58:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:58:31,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:58:31,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857578334] [2022-04-18 19:58:31,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857578334] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:58:31,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:58:31,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 19:58:31,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432499597] [2022-04-18 19:58:31,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:58:31,847 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 19:58:31,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:58:31,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 19:58:31,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:58:31,879 INFO L87 Difference]: Start difference. First operand has 8821 states, 6718 states have (on average 4.783417683834474) internal successors, (32135), 8820 states have internal predecessors, (32135), 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) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-04-18 19:58:31,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:58:31,919 INFO L93 Difference]: Finished difference Result 233 states and 652 transitions. [2022-04-18 19:58:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 19:58:31,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2022-04-18 19:58:31,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:58:31,924 INFO L225 Difference]: With dead ends: 233 [2022-04-18 19:58:31,924 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 19:58:31,925 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:58:31,928 INFO L913 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 19:58:31,929 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 19:58:31,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 19:58:31,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 19:58:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-04-18 19:58:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 19:58:31,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2022-04-18 19:58:31,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:58:31,945 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 19:58:31,955 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-04-18 19:58:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 19:58:31,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 19:58:31,957 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (41 of 42 remaining) [2022-04-18 19:58:31,957 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (40 of 42 remaining) [2022-04-18 19:58:31,960 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (39 of 42 remaining) [2022-04-18 19:58:31,960 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (38 of 42 remaining) [2022-04-18 19:58:31,960 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (37 of 42 remaining) [2022-04-18 19:58:31,961 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err5ASSERT_VIOLATIONDATA_RACE (36 of 42 remaining) [2022-04-18 19:58:31,961 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (35 of 42 remaining) [2022-04-18 19:58:31,961 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (34 of 42 remaining) [2022-04-18 19:58:31,962 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (33 of 42 remaining) [2022-04-18 19:58:31,962 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (32 of 42 remaining) [2022-04-18 19:58:31,963 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (31 of 42 remaining) [2022-04-18 19:58:31,963 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (30 of 42 remaining) [2022-04-18 19:58:31,963 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 42 remaining) [2022-04-18 19:58:31,964 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (28 of 42 remaining) [2022-04-18 19:58:31,964 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (27 of 42 remaining) [2022-04-18 19:58:31,965 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 42 remaining) [2022-04-18 19:58:31,965 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 42 remaining) [2022-04-18 19:58:31,965 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 42 remaining) [2022-04-18 19:58:31,965 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 42 remaining) [2022-04-18 19:58:31,966 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 42 remaining) [2022-04-18 19:58:31,966 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 42 remaining) [2022-04-18 19:58:31,966 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 42 remaining) [2022-04-18 19:58:31,966 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (19 of 42 remaining) [2022-04-18 19:58:31,967 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (18 of 42 remaining) [2022-04-18 19:58:31,967 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 42 remaining) [2022-04-18 19:58:31,967 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 42 remaining) [2022-04-18 19:58:31,968 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 42 remaining) [2022-04-18 19:58:31,968 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (14 of 42 remaining) [2022-04-18 19:58:31,968 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (13 of 42 remaining) [2022-04-18 19:58:31,968 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (12 of 42 remaining) [2022-04-18 19:58:31,968 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 42 remaining) [2022-04-18 19:58:31,968 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (10 of 42 remaining) [2022-04-18 19:58:31,969 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err5ASSERT_VIOLATIONDATA_RACE (9 of 42 remaining) [2022-04-18 19:58:31,969 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 42 remaining) [2022-04-18 19:58:31,971 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 42 remaining) [2022-04-18 19:58:31,972 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 42 remaining) [2022-04-18 19:58:31,972 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 42 remaining) [2022-04-18 19:58:31,972 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 42 remaining) [2022-04-18 19:58:31,973 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 42 remaining) [2022-04-18 19:58:31,973 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 42 remaining) [2022-04-18 19:58:31,973 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 42 remaining) [2022-04-18 19:58:31,973 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 42 remaining) [2022-04-18 19:58:31,974 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 19:58:31,976 INFO L719 BasicCegarLoop]: Path program histogram: [1] [2022-04-18 19:58:31,980 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 19:58:31,980 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 19:58:31,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:58:31 BasicIcfg [2022-04-18 19:58:31,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 19:58:31,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 19:58:31,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 19:58:31,985 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 19:58:31,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:58:27" (3/4) ... [2022-04-18 19:58:31,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 19:58:31,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-04-18 19:58:31,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-04-18 19:58:31,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-04-18 19:58:31,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges [2022-04-18 19:58:32,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-04-18 19:58:32,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 19:58:32,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 19:58:32,036 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 19:58:32,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 19:58:32,037 INFO L158 Benchmark]: Toolchain (without parser) took 5415.04ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 62.0MB in the beginning and 49.7MB in the end (delta: 12.3MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2022-04-18 19:58:32,037 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:58:32,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.92ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 62.1MB in the end (delta: -269.2kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 19:58:32,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.10ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 19:58:32,038 INFO L158 Benchmark]: Boogie Preprocessor took 17.33ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 58.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 19:58:32,038 INFO L158 Benchmark]: RCFGBuilder took 413.73ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 58.5MB in the beginning and 83.6MB in the end (delta: -25.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-04-18 19:58:32,039 INFO L158 Benchmark]: TraceAbstraction took 4494.15ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 83.0MB in the beginning and 53.9MB in the end (delta: 29.1MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-04-18 19:58:32,039 INFO L158 Benchmark]: Witness Printer took 51.80ms. Allocated memory is still 151.0MB. Free memory was 53.9MB in the beginning and 49.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 19:58:32,040 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 98.6MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.92ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 62.1MB in the end (delta: -269.2kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.10ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.33ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 58.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.73ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 58.5MB in the beginning and 83.6MB in the end (delta: -25.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4494.15ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 83.0MB in the beginning and 53.9MB in the end (delta: 29.1MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Witness Printer took 51.80ms. Allocated memory is still 151.0MB. Free memory was 53.9MB in the beginning and 49.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 127 PlacesBefore, 54 PlacesAfterwards, 119 TransitionsBefore, 45 TransitionsAfterwards, 4104 CoEnabledTransitionPairs, 7 FixpointIterations, 23 TrivialSequentialCompositions, 101 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 133 TotalNumberOfCompositions, 9912 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7180, positive: 7047, positive conditional: 0, positive unconditional: 7047, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3320, positive: 3273, positive conditional: 0, positive unconditional: 3273, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3320, positive: 2804, positive conditional: 0, positive unconditional: 2804, negative: 516, negative conditional: 0, negative unconditional: 516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 516, positive: 469, positive conditional: 0, positive unconditional: 469, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 360, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7180, positive: 3774, positive conditional: 0, positive unconditional: 3774, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 3320, unknown conditional: 0, unknown unconditional: 3320] , Statistics on independence cache: Total cache size (in pairs): 284, Positive cache size: 273, Positive conditional cache size: 0, Positive unconditional cache size: 273, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 157 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, PartialOrderReductionTime: 0.0s, 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, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 17 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=8821occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 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 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 19:58:32,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-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