./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-programs/Problem102_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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 ../sv-benchmarks/c/eca-programs/Problem102_label28.c -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 c05b06d8ca1c828b9c7a837df3e765303fe398ab248bb01bdd83ba2b0a799b6b --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 13:46:24,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 13:46:24,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 13:46:24,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 13:46:24,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 13:46:24,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 13:46:24,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 13:46:24,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 13:46:24,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 13:46:24,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 13:46:24,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 13:46:24,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 13:46:24,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 13:46:24,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 13:46:24,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 13:46:24,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 13:46:24,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 13:46:24,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 13:46:24,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 13:46:24,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 13:46:24,664 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 13:46:24,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 13:46:24,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 13:46:24,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 13:46:24,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 13:46:24,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 13:46:24,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 13:46:24,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 13:46:24,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 13:46:24,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 13:46:24,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 13:46:24,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 13:46:24,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 13:46:24,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 13:46:24,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 13:46:24,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 13:46:24,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 13:46:24,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 13:46:24,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 13:46:24,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 13:46:24,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 13:46:24,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 13:46:24,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 13:46:24,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 13:46:24,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 13:46:24,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 13:46:24,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 13:46:24,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 13:46:24,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 13:46:24,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 13:46:24,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 13:46:24,699 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 13:46:24,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 13:46:24,699 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 13:46:24,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 13:46:24,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 13:46:24,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 13:46:24,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 13:46:24,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 13:46:24,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 13:46:24,700 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 13:46:24,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 13:46:24,701 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 13:46:24,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 13:46:24,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 13:46:24,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 13:46:24,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 13:46:24,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 13:46:24,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 13:46:24,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 13:46:24,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 13:46:24,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 13:46:24,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 13:46:24,703 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 13:46:24,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 13:46:24,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 13:46:24,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c05b06d8ca1c828b9c7a837df3e765303fe398ab248bb01bdd83ba2b0a799b6b [2022-07-13 13:46:24,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 13:46:24,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 13:46:24,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 13:46:24,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 13:46:24,956 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 13:46:24,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem102_label28.c [2022-07-13 13:46:25,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed88392d5/2b37d60b3ae942e9b2fc5079dec86a22/FLAGad99bb4b7 [2022-07-13 13:46:27,599 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 13:46:27,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem102_label28.c [2022-07-13 13:46:27,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed88392d5/2b37d60b3ae942e9b2fc5079dec86a22/FLAGad99bb4b7 [2022-07-13 13:46:28,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed88392d5/2b37d60b3ae942e9b2fc5079dec86a22 [2022-07-13 13:46:28,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 13:46:28,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 13:46:28,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 13:46:28,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 13:46:28,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 13:46:28,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 01:46:28" (1/1) ... [2022-07-13 13:46:28,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a3791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:28, skipping insertion in model container [2022-07-13 13:46:28,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 01:46:28" (1/1) ... [2022-07-13 13:46:28,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 13:46:29,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 13:46:46,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem102_label28.c[5711211,5711224] [2022-07-13 13:46:46,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 13:46:46,117 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 13:46:54,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem102_label28.c[5711211,5711224] [2022-07-13 13:46:54,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 13:46:57,966 INFO L208 MainTranslator]: Completed translation [2022-07-13 13:46:57,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57 WrapperNode [2022-07-13 13:46:57,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 13:46:57,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 13:46:57,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 13:46:57,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 13:46:57,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:46:58,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:02,502 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2022-07-13 13:47:02,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 13:47:02,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 13:47:02,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 13:47:02,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 13:47:02,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:02,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:03,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:03,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:05,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:05,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:05,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:07,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 13:47:07,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 13:47:07,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 13:47:07,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 13:47:07,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (1/1) ... [2022-07-13 13:47:07,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 13:47:07,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:47:07,158 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) [2022-07-13 13:47:07,182 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 [2022-07-13 13:47:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 13:47:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 13:47:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 13:47:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 13:47:07,414 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 13:47:07,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 13:48:03,263 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 13:48:03,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 13:48:03,346 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 13:48:03,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:48:03 BoogieIcfgContainer [2022-07-13 13:48:03,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 13:48:03,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 13:48:03,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 13:48:03,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 13:48:03,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 01:46:28" (1/3) ... [2022-07-13 13:48:03,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb74b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 01:48:03, skipping insertion in model container [2022-07-13 13:48:03,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:46:57" (2/3) ... [2022-07-13 13:48:03,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb74b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 01:48:03, skipping insertion in model container [2022-07-13 13:48:03,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:48:03" (3/3) ... [2022-07-13 13:48:03,376 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem102_label28.c [2022-07-13 13:48:03,387 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 13:48:03,387 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 13:48:03,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 13:48:03,679 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@27de2c39, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1d50c9c8 [2022-07-13 13:48:03,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 13:48:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 23215 states, 23213 states have (on average 1.8828673588075646) internal successors, (43707), 23214 states have internal predecessors, (43707), 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)