./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.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 c5a0c3d921e4198a2449efd49bc5373a4e6a5b0854f91282d4ef920b48af7e3c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 19:58:39,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 19:58:39,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 19:58:39,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 19:58:39,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 19:58:39,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 19:58:39,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 19:58:39,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 19:58:39,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 19:58:39,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 19:58:39,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 19:58:39,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 19:58:39,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 19:58:39,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 19:58:39,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 19:58:39,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 19:58:39,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 19:58:39,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 19:58:39,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 19:58:39,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 19:58:39,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 19:58:39,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 19:58:39,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 19:58:39,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 19:58:39,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 19:58:39,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 19:58:39,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 19:58:39,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 19:58:39,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 19:58:39,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 19:58:39,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 19:58:39,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 19:58:39,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 19:58:39,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 19:58:39,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 19:58:39,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 19:58:39,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 19:58:39,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 19:58:39,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 19:58:39,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 19:58:39,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 19:58:39,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 19:58:39,877 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 19:58:39,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 19:58:39,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 19:58:39,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 19:58:39,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 19:58:39,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 19:58:39,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 19:58:39,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 19:58:39,880 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 19:58:39,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 19:58:39,881 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 19:58:39,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 19:58:39,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 19:58:39,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 19:58:39,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 19:58:39,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 19:58:39,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 19:58:39,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 19:58:39,882 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 19:58:39,882 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 19:58:39,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 19:58:39,883 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 19:58:39,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 19:58:39,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 19:58:39,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 19:58:39,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 19:58:39,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:58:39,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 19:58:39,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 19:58:39,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 19:58:39,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 19:58:39,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 19:58:39,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 19:58:39,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 19:58:39,885 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 19:58:39,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 19:58:39,885 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 19:58:39,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5a0c3d921e4198a2449efd49bc5373a4e6a5b0854f91282d4ef920b48af7e3c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 19:58:40,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 19:58:40,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 19:58:40,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 19:58:40,159 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 19:58:40,160 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 19:58:40,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i [2023-08-31 19:58:41,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 19:58:41,330 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 19:58:41,330 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i [2023-08-31 19:58:41,339 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac9d3550/bec56f36543d4a46ac7b834b638cad27/FLAGcb0d54ac3 [2023-08-31 19:58:41,348 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac9d3550/bec56f36543d4a46ac7b834b638cad27 [2023-08-31 19:58:41,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 19:58:41,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 19:58:41,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 19:58:41,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 19:58:41,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 19:58:41,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2de7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41, skipping insertion in model container [2023-08-31 19:58:41,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 19:58:41,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 19:58:41,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:58:41,558 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 19:58:41,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:58:41,610 INFO L208 MainTranslator]: Completed translation [2023-08-31 19:58:41,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41 WrapperNode [2023-08-31 19:58:41,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 19:58:41,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 19:58:41,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 19:58:41,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 19:58:41,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,658 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2023-08-31 19:58:41,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 19:58:41,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 19:58:41,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 19:58:41,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 19:58:41,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,671 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 19:58:41,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 19:58:41,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 19:58:41,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 19:58:41,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (1/1) ... [2023-08-31 19:58:41,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:58:41,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 19:58:41,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 19:58:41,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 19:58:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 19:58:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 19:58:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 19:58:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 19:58:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 19:58:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 19:58:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 19:58:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 19:58:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 19:58:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 19:58:41,716 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 19:58:41,787 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 19:58:41,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 19:58:41,897 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 19:58:41,902 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 19:58:41,902 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 19:58:41,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:41 BoogieIcfgContainer [2023-08-31 19:58:41,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 19:58:41,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 19:58:41,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 19:58:41,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 19:58:41,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 07:58:41" (1/3) ... [2023-08-31 19:58:41,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791c43d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:58:41, skipping insertion in model container [2023-08-31 19:58:41,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:41" (2/3) ... [2023-08-31 19:58:41,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791c43d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:58:41, skipping insertion in model container [2023-08-31 19:58:41,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:41" (3/3) ... [2023-08-31 19:58:41,910 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_04-fld_nr.i [2023-08-31 19:58:41,916 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 19:58:41,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 19:58:41,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-31 19:58:41,923 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 19:58:41,972 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 19:58:42,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 64 transitions, 133 flow [2023-08-31 19:58:42,025 INFO L130 PetriNetUnfolder]: 0/63 cut-off events. [2023-08-31 19:58:42,025 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:42,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 63 events. 0/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-31 19:58:42,028 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 64 transitions, 133 flow [2023-08-31 19:58:42,031 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 63 transitions, 129 flow [2023-08-31 19:58:42,033 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 19:58:42,040 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 63 transitions, 129 flow [2023-08-31 19:58:42,042 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 63 transitions, 129 flow [2023-08-31 19:58:42,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 129 flow [2023-08-31 19:58:42,054 INFO L130 PetriNetUnfolder]: 0/63 cut-off events. [2023-08-31 19:58:42,054 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:42,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 63 events. 0/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-31 19:58:42,055 INFO L119 LiptonReduction]: Number of co-enabled transitions 714 [2023-08-31 19:58:43,358 INFO L134 LiptonReduction]: Checked pairs total: 2927 [2023-08-31 19:58:43,358 INFO L136 LiptonReduction]: Total number of compositions: 41 [2023-08-31 19:58:43,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 19:58:43,378 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;@b436285, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 19:58:43,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-31 19:58:43,385 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-31 19:58:43,386 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:43,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:43,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 19:58:43,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-31 19:58:43,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:43,391 INFO L85 PathProgramCache]: Analyzing trace with hash 205828445, now seen corresponding path program 1 times [2023-08-31 19:58:43,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:43,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500887934] [2023-08-31 19:58:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:43,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:43,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500887934] [2023-08-31 19:58:43,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500887934] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:43,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:43,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:43,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012152864] [2023-08-31 19:58:43,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:43,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:43,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:43,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:43,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:43,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 105 [2023-08-31 19:58:43,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 47 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:43,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 105 [2023-08-31 19:58:43,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:43,626 INFO L130 PetriNetUnfolder]: 48/149 cut-off events. [2023-08-31 19:58:43,626 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:43,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 149 events. 48/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 609 event pairs, 22 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 261. Up to 71 conditions per place. [2023-08-31 19:58:43,629 INFO L137 encePairwiseOnDemand]: 97/105 looper letters, 22 selfloop transitions, 6 changer transitions 0/34 dead transitions. [2023-08-31 19:58:43,629 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 34 transitions, 127 flow [2023-08-31 19:58:43,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2023-08-31 19:58:43,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2023-08-31 19:58:43,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 195 transitions. [2023-08-31 19:58:43,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 195 transitions. [2023-08-31 19:58:43,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:43,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 195 transitions. [2023-08-31 19:58:43,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,695 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,697 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 47 flow. Second operand 3 states and 195 transitions. [2023-08-31 19:58:43,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 34 transitions, 127 flow [2023-08-31 19:58:43,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 34 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:58:43,715 INFO L231 Difference]: Finished difference. Result has 29 places, 28 transitions, 98 flow [2023-08-31 19:58:43,716 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=29, PETRI_TRANSITIONS=28} [2023-08-31 19:58:43,718 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2023-08-31 19:58:43,719 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 28 transitions, 98 flow [2023-08-31 19:58:43,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,719 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:43,719 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:43,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 19:58:43,720 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-31 19:58:43,720 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:43,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1507823310, now seen corresponding path program 1 times [2023-08-31 19:58:43,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:43,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230033278] [2023-08-31 19:58:43,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:43,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:43,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:43,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230033278] [2023-08-31 19:58:43,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230033278] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:43,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:43,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:43,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462561927] [2023-08-31 19:58:43,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:43,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:43,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:43,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:43,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:43,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 105 [2023-08-31 19:58:43,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 28 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:43,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 105 [2023-08-31 19:58:43,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:43,820 INFO L130 PetriNetUnfolder]: 44/147 cut-off events. [2023-08-31 19:58:43,821 INFO L131 PetriNetUnfolder]: For 81/84 co-relation queries the response was YES. [2023-08-31 19:58:43,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 147 events. 44/147 cut-off events. For 81/84 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 611 event pairs, 16 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 331. Up to 76 conditions per place. [2023-08-31 19:58:43,822 INFO L137 encePairwiseOnDemand]: 99/105 looper letters, 16 selfloop transitions, 7 changer transitions 2/36 dead transitions. [2023-08-31 19:58:43,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 36 transitions, 174 flow [2023-08-31 19:58:43,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 183 transitions. [2023-08-31 19:58:43,824 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.580952380952381 [2023-08-31 19:58:43,824 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 183 transitions. [2023-08-31 19:58:43,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 183 transitions. [2023-08-31 19:58:43,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:43,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 183 transitions. [2023-08-31 19:58:43,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,826 INFO L175 Difference]: Start difference. First operand has 29 places, 28 transitions, 98 flow. Second operand 3 states and 183 transitions. [2023-08-31 19:58:43,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 36 transitions, 174 flow [2023-08-31 19:58:43,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 36 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 19:58:43,828 INFO L231 Difference]: Finished difference. Result has 31 places, 33 transitions, 142 flow [2023-08-31 19:58:43,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=31, PETRI_TRANSITIONS=33} [2023-08-31 19:58:43,829 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 5 predicate places. [2023-08-31 19:58:43,829 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 33 transitions, 142 flow [2023-08-31 19:58:43,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:43,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:43,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 19:58:43,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-31 19:58:43,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:43,830 INFO L85 PathProgramCache]: Analyzing trace with hash 233818980, now seen corresponding path program 1 times [2023-08-31 19:58:43,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:43,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515799572] [2023-08-31 19:58:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:43,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:43,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515799572] [2023-08-31 19:58:43,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515799572] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:43,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:43,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:43,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203501563] [2023-08-31 19:58:43,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:43,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:43,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:43,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:43,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:43,904 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 105 [2023-08-31 19:58:43,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 33 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:43,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 105 [2023-08-31 19:58:43,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:43,948 INFO L130 PetriNetUnfolder]: 51/164 cut-off events. [2023-08-31 19:58:43,949 INFO L131 PetriNetUnfolder]: For 163/175 co-relation queries the response was YES. [2023-08-31 19:58:43,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 164 events. 51/164 cut-off events. For 163/175 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 691 event pairs, 13 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 440. Up to 81 conditions per place. [2023-08-31 19:58:43,953 INFO L137 encePairwiseOnDemand]: 99/105 looper letters, 15 selfloop transitions, 7 changer transitions 10/43 dead transitions. [2023-08-31 19:58:43,953 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 43 transitions, 252 flow [2023-08-31 19:58:43,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:43,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2023-08-31 19:58:43,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5904761904761905 [2023-08-31 19:58:43,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 186 transitions. [2023-08-31 19:58:43,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 186 transitions. [2023-08-31 19:58:43,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:43,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 186 transitions. [2023-08-31 19:58:43,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,960 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,960 INFO L175 Difference]: Start difference. First operand has 31 places, 33 transitions, 142 flow. Second operand 3 states and 186 transitions. [2023-08-31 19:58:43,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 43 transitions, 252 flow [2023-08-31 19:58:43,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 43 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 19:58:43,964 INFO L231 Difference]: Finished difference. Result has 33 places, 32 transitions, 160 flow [2023-08-31 19:58:43,964 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=33, PETRI_TRANSITIONS=32} [2023-08-31 19:58:43,965 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 7 predicate places. [2023-08-31 19:58:43,967 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 32 transitions, 160 flow [2023-08-31 19:58:43,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:43,968 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:43,968 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:43,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 19:58:43,968 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-31 19:58:43,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:43,969 INFO L85 PathProgramCache]: Analyzing trace with hash 451161944, now seen corresponding path program 1 times [2023-08-31 19:58:43,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:43,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784789433] [2023-08-31 19:58:43,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:43,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:44,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:44,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784789433] [2023-08-31 19:58:44,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784789433] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:44,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:44,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 19:58:44,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898464413] [2023-08-31 19:58:44,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:44,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:44,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:44,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:44,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:44,093 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 105 [2023-08-31 19:58:44,093 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 32 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:44,094 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:44,094 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 105 [2023-08-31 19:58:44,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:44,108 INFO L130 PetriNetUnfolder]: 1/34 cut-off events. [2023-08-31 19:58:44,108 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-08-31 19:58:44,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 34 events. 1/34 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 31 event pairs, 1 based on Foata normal form. 8/42 useless extension candidates. Maximal degree in co-relation 88. Up to 16 conditions per place. [2023-08-31 19:58:44,108 INFO L137 encePairwiseOnDemand]: 101/105 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2023-08-31 19:58:44,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 18 transitions, 98 flow [2023-08-31 19:58:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions. [2023-08-31 19:58:44,110 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5873015873015873 [2023-08-31 19:58:44,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 185 transitions. [2023-08-31 19:58:44,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 185 transitions. [2023-08-31 19:58:44,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:44,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 185 transitions. [2023-08-31 19:58:44,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:44,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:44,112 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:44,112 INFO L175 Difference]: Start difference. First operand has 33 places, 32 transitions, 160 flow. Second operand 3 states and 185 transitions. [2023-08-31 19:58:44,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 18 transitions, 98 flow [2023-08-31 19:58:44,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 18 transitions, 62 flow, removed 8 selfloop flow, removed 8 redundant places. [2023-08-31 19:58:44,113 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2023-08-31 19:58:44,113 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2023-08-31 19:58:44,113 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, -3 predicate places. [2023-08-31 19:58:44,113 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 0 transitions, 0 flow [2023-08-31 19:58:44,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:44,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-31 19:58:44,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-31 19:58:44,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-31 19:58:44,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-31 19:58:44,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-31 19:58:44,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-31 19:58:44,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-31 19:58:44,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 19:58:44,117 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-31 19:58:44,120 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 19:58:44,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 19:58:44,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 07:58:44 BasicIcfg [2023-08-31 19:58:44,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 19:58:44,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 19:58:44,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 19:58:44,123 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 19:58:44,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:41" (3/4) ... [2023-08-31 19:58:44,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 19:58:44,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-31 19:58:44,147 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-08-31 19:58:44,147 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-31 19:58:44,147 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 19:58:44,174 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 19:58:44,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 19:58:44,175 INFO L158 Benchmark]: Toolchain (without parser) took 2824.81ms. Allocated memory was 71.3MB in the beginning and 146.8MB in the end (delta: 75.5MB). Free memory was 46.1MB in the beginning and 67.6MB in the end (delta: -21.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-08-31 19:58:44,175 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 55.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:58:44,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.85ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 27.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-31 19:58:44,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.22ms. Allocated memory was 71.3MB in the beginning and 115.3MB in the end (delta: 44.0MB). Free memory was 27.0MB in the beginning and 94.6MB in the end (delta: -67.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-08-31 19:58:44,177 INFO L158 Benchmark]: Boogie Preprocessor took 13.64ms. Allocated memory is still 115.3MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:58:44,177 INFO L158 Benchmark]: RCFGBuilder took 230.14ms. Allocated memory is still 115.3MB. Free memory was 93.0MB in the beginning and 80.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 19:58:44,177 INFO L158 Benchmark]: TraceAbstraction took 2217.55ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 80.4MB in the beginning and 70.7MB in the end (delta: 9.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-08-31 19:58:44,178 INFO L158 Benchmark]: Witness Printer took 51.94ms. Allocated memory is still 146.8MB. Free memory was 70.7MB in the beginning and 67.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:58:44,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 55.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.85ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 27.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.22ms. Allocated memory was 71.3MB in the beginning and 115.3MB in the end (delta: 44.0MB). Free memory was 27.0MB in the beginning and 94.6MB in the end (delta: -67.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.64ms. Allocated memory is still 115.3MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 230.14ms. Allocated memory is still 115.3MB. Free memory was 93.0MB in the beginning and 80.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2217.55ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 80.4MB in the beginning and 70.7MB in the end (delta: 9.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 51.94ms. Allocated memory is still 146.8MB. Free memory was 70.7MB in the beginning and 67.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 67 PlacesBefore, 26 PlacesAfterwards, 63 TransitionsBefore, 22 TransitionsAfterwards, 714 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 41 TotalNumberOfCompositions, 2927 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1195, independent: 962, independent conditional: 0, independent unconditional: 962, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 351, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1195, independent: 639, independent conditional: 0, independent unconditional: 639, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 351, unknown conditional: 0, unknown unconditional: 351] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: 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 3 procedures, 84 locations, 7 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: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 19 mSDtfsCounter, 192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 19:58:44,200 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