./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/13-privatized_44-traces-mine2_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 17:42:01,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 17:42:01,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 17:42:01,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 17:42:01,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 17:42:01,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 17:42:01,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 17:42:01,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 17:42:01,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 17:42:01,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 17:42:01,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 17:42:01,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 17:42:01,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 17:42:01,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 17:42:01,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 17:42:01,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 17:42:01,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 17:42:01,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 17:42:01,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 17:42:01,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 17:42:01,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 17:42:01,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 17:42:01,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 17:42:01,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 17:42:01,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 17:42:01,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 17:42:01,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 17:42:01,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 17:42:01,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 17:42:01,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 17:42:01,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 17:42:01,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 17:42:01,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 17:42:01,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 17:42:01,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 17:42:01,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 17:42:01,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 17:42:01,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 17:42:01,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 17:42:01,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 17:42:01,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 17:42:01,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 17:42:01,975 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 17:42:01,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 17:42:01,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 17:42:01,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 17:42:01,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 17:42:01,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 17:42:01,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 17:42:01,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 17:42:01,979 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 17:42:01,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 17:42:01,980 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 17:42:01,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 17:42:01,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 17:42:01,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 17:42:01,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 17:42:01,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 17:42:01,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 17:42:01,981 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 17:42:01,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 17:42:01,982 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 17:42:01,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 17:42:01,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 17:42:01,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 17:42:01,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 17:42:01,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 17:42:01,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 17:42:01,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 17:42:01,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 17:42:01,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 17:42:01,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 17:42:01,984 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 17:42:01,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 17:42:01,985 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 17:42:01,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 17:42:01,985 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 17:42:01,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 17:42:02,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 17:42:02,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 17:42:02,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 17:42:02,303 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 17:42:02,304 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 17:42:02,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i [2023-08-30 17:42:03,459 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 17:42:03,724 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 17:42:03,725 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i [2023-08-30 17:42:03,735 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2f51d32/bb4b189b14bb480e9f4cfe5d4bc2c951/FLAGcbdb765b7 [2023-08-30 17:42:03,751 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2f51d32/bb4b189b14bb480e9f4cfe5d4bc2c951 [2023-08-30 17:42:03,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 17:42:03,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 17:42:03,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 17:42:03,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 17:42:03,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 17:42:03,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:42:03" (1/1) ... [2023-08-30 17:42:03,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125cebf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:03, skipping insertion in model container [2023-08-30 17:42:03,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:42:03" (1/1) ... [2023-08-30 17:42:03,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 17:42:03,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 17:42:03,982 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2023-08-30 17:42:04,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 17:42:04,153 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 17:42:04,166 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2023-08-30 17:42:04,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 17:42:04,234 INFO L208 MainTranslator]: Completed translation [2023-08-30 17:42:04,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04 WrapperNode [2023-08-30 17:42:04,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 17:42:04,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 17:42:04,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 17:42:04,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 17:42:04,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,302 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-08-30 17:42:04,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 17:42:04,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 17:42:04,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 17:42:04,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 17:42:04,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,362 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 17:42:04,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 17:42:04,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 17:42:04,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 17:42:04,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (1/1) ... [2023-08-30 17:42:04,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 17:42:04,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 17:42:04,405 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) [2023-08-30 17:42:04,427 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 [2023-08-30 17:42:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 17:42:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 17:42:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 17:42:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 17:42:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 17:42:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 17:42:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 17:42:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 17:42:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 17:42:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 17:42:04,445 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 17:42:04,596 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 17:42:04,598 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 17:42:04,770 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 17:42:04,776 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 17:42:04,776 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 17:42:04,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:42:04 BoogieIcfgContainer [2023-08-30 17:42:04,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 17:42:04,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 17:42:04,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 17:42:04,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 17:42:04,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 05:42:03" (1/3) ... [2023-08-30 17:42:04,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474b6a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:42:04, skipping insertion in model container [2023-08-30 17:42:04,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:42:04" (2/3) ... [2023-08-30 17:42:04,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474b6a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:42:04, skipping insertion in model container [2023-08-30 17:42:04,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:42:04" (3/3) ... [2023-08-30 17:42:04,786 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_44-traces-mine2_true.i [2023-08-30 17:42:04,795 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 17:42:04,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 17:42:04,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 17:42:04,804 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 17:42:04,873 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 17:42:04,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 70 transitions, 145 flow [2023-08-30 17:42:04,946 INFO L130 PetriNetUnfolder]: 2/69 cut-off events. [2023-08-30 17:42:04,947 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 17:42:04,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 69 events. 2/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-08-30 17:42:04,953 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 70 transitions, 145 flow [2023-08-30 17:42:04,956 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2023-08-30 17:42:04,959 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 17:42:04,968 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 61 transitions, 125 flow [2023-08-30 17:42:04,972 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 61 transitions, 125 flow [2023-08-30 17:42:04,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 125 flow [2023-08-30 17:42:04,988 INFO L130 PetriNetUnfolder]: 1/61 cut-off events. [2023-08-30 17:42:04,989 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 17:42:04,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2023-08-30 17:42:04,991 INFO L119 LiptonReduction]: Number of co-enabled transitions 480 [2023-08-30 17:42:07,146 INFO L134 LiptonReduction]: Checked pairs total: 1441 [2023-08-30 17:42:07,146 INFO L136 LiptonReduction]: Total number of compositions: 52 [2023-08-30 17:42:07,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 17:42:07,163 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;@1adb0e26, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 17:42:07,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-08-30 17:42:07,166 INFO L130 PetriNetUnfolder]: 1/8 cut-off events. [2023-08-30 17:42:07,166 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 17:42:07,167 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 17:42:07,167 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-30 17:42:07,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-30 17:42:07,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 17:42:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash 7491478, now seen corresponding path program 1 times [2023-08-30 17:42:07,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 17:42:07,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708321007] [2023-08-30 17:42:07,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 17:42:07,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 17:42:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 17:42:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 17:42:07,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 17:42:07,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708321007] [2023-08-30 17:42:07,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708321007] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 17:42:07,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 17:42:07,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 17:42:07,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456901407] [2023-08-30 17:42:07,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 17:42:07,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 17:42:07,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 17:42:07,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 17:42:07,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 17:42:07,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 122 [2023-08-30 17:42:07,571 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 37 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2023-08-30 17:42:07,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 17:42:07,572 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 122 [2023-08-30 17:42:07,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 17:42:07,629 INFO L130 PetriNetUnfolder]: 26/79 cut-off events. [2023-08-30 17:42:07,629 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 17:42:07,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 79 events. 26/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 238 event pairs, 16 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 142. Up to 42 conditions per place. [2023-08-30 17:42:07,631 INFO L137 encePairwiseOnDemand]: 117/122 looper letters, 15 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2023-08-30 17:42:07,632 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 20 transitions, 79 flow [2023-08-30 17:42:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 17:42:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 17:42:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2023-08-30 17:42:07,644 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5573770491803278 [2023-08-30 17:42:07,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 204 transitions. [2023-08-30 17:42:07,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 204 transitions. [2023-08-30 17:42:07,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 17:42:07,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 204 transitions. [2023-08-30 17:42:07,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2023-08-30 17:42:07,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-08-30 17:42:07,661 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-08-30 17:42:07,663 INFO L175 Difference]: Start difference. First operand has 20 places, 17 transitions, 37 flow. Second operand 3 states and 204 transitions. [2023-08-30 17:42:07,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 20 transitions, 79 flow [2023-08-30 17:42:07,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 20 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 17:42:07,667 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 43 flow [2023-08-30 17:42:07,668 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2023-08-30 17:42:07,671 INFO L281 CegarLoopForPetriNet]: 20 programPoint places, 1 predicate places. [2023-08-30 17:42:07,672 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 43 flow [2023-08-30 17:42:07,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2023-08-30 17:42:07,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 17:42:07,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 17:42:07,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 17:42:07,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-30 17:42:07,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 17:42:07,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1390645172, now seen corresponding path program 1 times [2023-08-30 17:42:07,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 17:42:07,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209074488] [2023-08-30 17:42:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 17:42:07,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 17:42:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 17:42:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 17:42:07,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 17:42:07,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209074488] [2023-08-30 17:42:07,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209074488] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 17:42:07,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 17:42:07,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 17:42:07,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151502541] [2023-08-30 17:42:07,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 17:42:07,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 17:42:07,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 17:42:07,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 17:42:07,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 17:42:07,787 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 122 [2023-08-30 17:42:07,788 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 43 flow. Second operand has 3 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) [2023-08-30 17:42:07,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 17:42:07,788 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 122 [2023-08-30 17:42:07,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 17:42:07,820 INFO L130 PetriNetUnfolder]: 4/36 cut-off events. [2023-08-30 17:42:07,820 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 17:42:07,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 36 events. 4/36 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 0 based on Foata normal form. 8/44 useless extension candidates. Maximal degree in co-relation 70. Up to 19 conditions per place. [2023-08-30 17:42:07,821 INFO L137 encePairwiseOnDemand]: 118/122 looper letters, 14 selfloop transitions, 4 changer transitions 0/20 dead transitions. [2023-08-30 17:42:07,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 20 transitions, 89 flow [2023-08-30 17:42:07,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 17:42:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 17:42:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2023-08-30 17:42:07,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.546448087431694 [2023-08-30 17:42:07,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 200 transitions. [2023-08-30 17:42:07,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 200 transitions. [2023-08-30 17:42:07,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 17:42:07,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 200 transitions. [2023-08-30 17:42:07,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2023-08-30 17:42:07,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-08-30 17:42:07,831 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-08-30 17:42:07,831 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 43 flow. Second operand 3 states and 200 transitions. [2023-08-30 17:42:07,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 20 transitions, 89 flow [2023-08-30 17:42:07,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 83 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 17:42:07,832 INFO L231 Difference]: Finished difference. Result has 22 places, 16 transitions, 53 flow [2023-08-30 17:42:07,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=53, PETRI_PLACES=22, PETRI_TRANSITIONS=16} [2023-08-30 17:42:07,833 INFO L281 CegarLoopForPetriNet]: 20 programPoint places, 2 predicate places. [2023-08-30 17:42:07,834 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 16 transitions, 53 flow [2023-08-30 17:42:07,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-08-30 17:42:07,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 17:42:07,834 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 17:42:07,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 17:42:07,835 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-30 17:42:07,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 17:42:07,837 INFO L85 PathProgramCache]: Analyzing trace with hash -160459948, now seen corresponding path program 1 times [2023-08-30 17:42:07,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 17:42:07,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525655878] [2023-08-30 17:42:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 17:42:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 17:42:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 17:42:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 17:42:07,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 17:42:07,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525655878] [2023-08-30 17:42:07,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525655878] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 17:42:07,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 17:42:07,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 17:42:07,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265309584] [2023-08-30 17:42:07,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 17:42:07,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 17:42:07,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 17:42:07,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 17:42:07,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 17:42:07,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 122 [2023-08-30 17:42:07,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 16 transitions, 53 flow. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 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) [2023-08-30 17:42:07,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 17:42:07,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 122 [2023-08-30 17:42:07,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 17:42:07,981 INFO L130 PetriNetUnfolder]: 8/45 cut-off events. [2023-08-30 17:42:07,984 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-30 17:42:07,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 45 events. 8/45 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 100 event pairs, 1 based on Foata normal form. 4/49 useless extension candidates. Maximal degree in co-relation 108. Up to 24 conditions per place. [2023-08-30 17:42:07,987 INFO L137 encePairwiseOnDemand]: 116/122 looper letters, 9 selfloop transitions, 5 changer transitions 7/23 dead transitions. [2023-08-30 17:42:07,987 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 23 transitions, 116 flow [2023-08-30 17:42:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 17:42:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 17:42:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 286 transitions. [2023-08-30 17:42:07,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46885245901639344 [2023-08-30 17:42:07,989 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 286 transitions. [2023-08-30 17:42:07,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 286 transitions. [2023-08-30 17:42:07,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 17:42:07,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 286 transitions. [2023-08-30 17:42:07,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 57.2) internal successors, (286), 5 states have internal predecessors, (286), 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) [2023-08-30 17:42:07,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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) [2023-08-30 17:42:07,991 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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) [2023-08-30 17:42:07,991 INFO L175 Difference]: Start difference. First operand has 22 places, 16 transitions, 53 flow. Second operand 5 states and 286 transitions. [2023-08-30 17:42:07,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 23 transitions, 116 flow [2023-08-30 17:42:07,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 17:42:07,993 INFO L231 Difference]: Finished difference. Result has 26 places, 15 transitions, 57 flow [2023-08-30 17:42:07,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=57, PETRI_PLACES=26, PETRI_TRANSITIONS=15} [2023-08-30 17:42:07,993 INFO L281 CegarLoopForPetriNet]: 20 programPoint places, 6 predicate places. [2023-08-30 17:42:07,994 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 15 transitions, 57 flow [2023-08-30 17:42:07,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 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) [2023-08-30 17:42:07,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 17:42:07,994 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 17:42:07,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 17:42:07,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-30 17:42:07,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 17:42:07,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1117370688, now seen corresponding path program 1 times [2023-08-30 17:42:07,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 17:42:07,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454316135] [2023-08-30 17:42:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 17:42:07,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 17:42:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 17:42:08,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 17:42:08,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 17:42:08,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454316135] [2023-08-30 17:42:08,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454316135] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 17:42:08,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 17:42:08,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-30 17:42:08,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426709812] [2023-08-30 17:42:08,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 17:42:08,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 17:42:08,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 17:42:08,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 17:42:08,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-30 17:42:08,179 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 122 [2023-08-30 17:42:08,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 15 transitions, 57 flow. Second operand has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 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) [2023-08-30 17:42:08,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 17:42:08,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 122 [2023-08-30 17:42:08,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 17:42:08,196 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2023-08-30 17:42:08,197 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 17:42:08,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 10 events. 0/10 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 1/11 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2023-08-30 17:42:08,198 INFO L137 encePairwiseOnDemand]: 119/122 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2023-08-30 17:42:08,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 10 transitions, 53 flow [2023-08-30 17:42:08,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 17:42:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 17:42:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 245 transitions. [2023-08-30 17:42:08,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5020491803278688 [2023-08-30 17:42:08,202 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 245 transitions. [2023-08-30 17:42:08,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 245 transitions. [2023-08-30 17:42:08,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 17:42:08,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 245 transitions. [2023-08-30 17:42:08,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 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) [2023-08-30 17:42:08,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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) [2023-08-30 17:42:08,209 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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) [2023-08-30 17:42:08,209 INFO L175 Difference]: Start difference. First operand has 26 places, 15 transitions, 57 flow. Second operand 4 states and 245 transitions. [2023-08-30 17:42:08,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 10 transitions, 53 flow [2023-08-30 17:42:08,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 10 transitions, 41 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-30 17:42:08,210 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2023-08-30 17:42:08,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2023-08-30 17:42:08,211 INFO L281 CegarLoopForPetriNet]: 20 programPoint places, -2 predicate places. [2023-08-30 17:42:08,212 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2023-08-30 17:42:08,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 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) [2023-08-30 17:42:08,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-08-30 17:42:08,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2023-08-30 17:42:08,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-08-30 17:42:08,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 17:42:08,218 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 17:42:08,222 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 17:42:08,223 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 17:42:08,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 05:42:08 BasicIcfg [2023-08-30 17:42:08,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 17:42:08,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 17:42:08,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 17:42:08,234 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 17:42:08,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:42:04" (3/4) ... [2023-08-30 17:42:08,237 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 17:42:08,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-30 17:42:08,245 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-08-30 17:42:08,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 17:42:08,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 17:42:08,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 17:42:08,278 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 17:42:08,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 17:42:08,279 INFO L158 Benchmark]: Toolchain (without parser) took 4522.73ms. Allocated memory was 81.8MB in the beginning and 136.3MB in the end (delta: 54.5MB). Free memory was 58.4MB in the beginning and 82.8MB in the end (delta: -24.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-08-30 17:42:08,279 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 58.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 17:42:08,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.64ms. Allocated memory is still 81.8MB. Free memory was 58.2MB in the beginning and 39.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 17:42:08,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.71ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 39.4MB in the beginning and 92.2MB in the end (delta: -52.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-08-30 17:42:08,280 INFO L158 Benchmark]: Boogie Preprocessor took 63.09ms. Allocated memory is still 113.2MB. Free memory was 92.2MB in the beginning and 90.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 17:42:08,280 INFO L158 Benchmark]: RCFGBuilder took 408.18ms. Allocated memory is still 113.2MB. Free memory was 90.6MB in the beginning and 78.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 17:42:08,281 INFO L158 Benchmark]: TraceAbstraction took 3452.69ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 77.0MB in the beginning and 84.9MB in the end (delta: -7.9MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-08-30 17:42:08,281 INFO L158 Benchmark]: Witness Printer took 44.96ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 17:42:08,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 58.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.64ms. Allocated memory is still 81.8MB. Free memory was 58.2MB in the beginning and 39.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.71ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 39.4MB in the beginning and 92.2MB in the end (delta: -52.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.09ms. Allocated memory is still 113.2MB. Free memory was 92.2MB in the beginning and 90.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.18ms. Allocated memory is still 113.2MB. Free memory was 90.6MB in the beginning and 78.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3452.69ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 77.0MB in the beginning and 84.9MB in the end (delta: -7.9MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Witness Printer took 44.96ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 64 PlacesBefore, 20 PlacesAfterwards, 61 TransitionsBefore, 17 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 52 TotalNumberOfCompositions, 1441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 581, independent: 449, independent conditional: 0, independent unconditional: 449, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 267, independent: 243, independent conditional: 0, independent unconditional: 243, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 581, independent: 206, independent conditional: 0, independent unconditional: 206, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 267, unknown conditional: 0, unknown unconditional: 267] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 22, Positive conditional cache size: 0, Positive unconditional cache size: 22, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 3 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: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 235 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 6 mSDtfsCounter, 235 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 17:42:08,298 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