./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/Dubois-015.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/xcsp/Dubois-015.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 eba00f0070304f786aff86b6063ed55357e3f08cec960cb2b5a3d59a4f88aca7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 19:29:08,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 19:29:08,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 19:29:08,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 19:29:08,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 19:29:08,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 19:29:08,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 19:29:08,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 19:29:08,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 19:29:08,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 19:29:08,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 19:29:08,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 19:29:08,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 19:29:08,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 19:29:08,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 19:29:08,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 19:29:08,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 19:29:08,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 19:29:08,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 19:29:08,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 19:29:08,948 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 19:29:08,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 19:29:08,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 19:29:08,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 19:29:08,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 19:29:08,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 19:29:08,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 19:29:08,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 19:29:08,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 19:29:08,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 19:29:08,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 19:29:08,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 19:29:08,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 19:29:08,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 19:29:08,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 19:29:08,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 19:29:08,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 19:29:08,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 19:29:08,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 19:29:08,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 19:29:08,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 19:29:08,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 19:29:08,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 19:29:08,985 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 19:29:08,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 19:29:08,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 19:29:08,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 19:29:08,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 19:29:08,987 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 19:29:08,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 19:29:08,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 19:29:08,988 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 19:29:08,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 19:29:08,988 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 19:29:08,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 19:29:08,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 19:29:08,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 19:29:08,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 19:29:08,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 19:29:08,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 19:29:08,989 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 19:29:08,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 19:29:08,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 19:29:08,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 19:29:08,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 19:29:08,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 19:29:08,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 19:29:08,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:29:08,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 19:29:08,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 19:29:08,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 19:29:08,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 19:29:08,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 19:29:08,992 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 19:29:08,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 19:29:08,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 19:29:08,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba00f0070304f786aff86b6063ed55357e3f08cec960cb2b5a3d59a4f88aca7 [2022-07-13 19:29:09,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 19:29:09,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 19:29:09,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 19:29:09,275 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 19:29:09,275 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 19:29:09,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-015.c [2022-07-13 19:29:09,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8bf8212c/38f9e64567f4470697f94ab4542a7cd9/FLAG719955154 [2022-07-13 19:29:09,694 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 19:29:09,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-015.c [2022-07-13 19:29:09,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8bf8212c/38f9e64567f4470697f94ab4542a7cd9/FLAG719955154 [2022-07-13 19:29:09,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8bf8212c/38f9e64567f4470697f94ab4542a7cd9 [2022-07-13 19:29:09,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 19:29:09,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 19:29:09,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 19:29:09,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 19:29:09,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 19:29:09,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:29:09" (1/1) ... [2022-07-13 19:29:09,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1052a70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:09, skipping insertion in model container [2022-07-13 19:29:09,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:29:09" (1/1) ... [2022-07-13 19:29:09,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 19:29:09,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 19:29:10,006 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/xcsp/Dubois-015.c[10980,10993] [2022-07-13 19:29:10,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:29:10,079 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 19:29:10,141 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/xcsp/Dubois-015.c[10980,10993] [2022-07-13 19:29:10,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:29:10,184 INFO L208 MainTranslator]: Completed translation [2022-07-13 19:29:10,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10 WrapperNode [2022-07-13 19:29:10,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 19:29:10,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 19:29:10,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 19:29:10,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 19:29:10,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:10,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:12,745 INFO L137 Inliner]: procedures = 13, calls = 127, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 317 [2022-07-13 19:29:12,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 19:29:12,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 19:29:12,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 19:29:12,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 19:29:12,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:12,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:13,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:13,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:14,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:14,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:15,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:15,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 19:29:15,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 19:29:15,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 19:29:15,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 19:29:15,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (1/1) ... [2022-07-13 19:29:15,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:29:15,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 19:29:15,596 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 19:29:15,598 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 19:29:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 19:29:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 19:29:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 19:29:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 19:29:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-13 19:29:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-13 19:29:15,679 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 19:29:15,680 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 19:29:17,612 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 19:29:17,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 19:29:17,624 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 19:29:17,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:29:17 BoogieIcfgContainer [2022-07-13 19:29:17,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 19:29:17,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 19:29:17,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 19:29:17,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 19:29:17,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 07:29:09" (1/3) ... [2022-07-13 19:29:17,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42620121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:29:17, skipping insertion in model container [2022-07-13 19:29:17,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:10" (2/3) ... [2022-07-13 19:29:17,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42620121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:29:17, skipping insertion in model container [2022-07-13 19:29:17,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:29:17" (3/3) ... [2022-07-13 19:29:17,634 INFO L111 eAbstractionObserver]: Analyzing ICFG Dubois-015.c [2022-07-13 19:29:17,645 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 19:29:17,645 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 19:29:17,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 19:29:17,689 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@4b21a7cd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3b5b5e29 [2022-07-13 19:29:17,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 19:29:17,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 53 states have (on average 1.0377358490566038) internal successors, (55), 54 states have internal predecessors, (55), 120 states have call successors, (120), 1 states have call predecessors, (120), 1 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2022-07-13 19:29:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2022-07-13 19:29:17,725 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:29:17,726 INFO L195 NwaCegarLoop]: trace histogram [120, 120, 120, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:29:17,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 19:29:17,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:29:17,734 INFO L85 PathProgramCache]: Analyzing trace with hash -742393268, now seen corresponding path program 1 times [2022-07-13 19:29:17,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:29:17,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061908192] [2022-07-13 19:29:17,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:29:17,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:29:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 19:29:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 19:29:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 19:29:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 19:29:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 19:29:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 19:29:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 19:29:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 19:29:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 19:29:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 19:29:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 19:29:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-13 19:29:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-13 19:29:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-13 19:29:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-13 19:29:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 19:29:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 19:29:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 19:29:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 19:29:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-13 19:29:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 19:29:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-13 19:29:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-13 19:29:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-13 19:29:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 19:29:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-13 19:29:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-13 19:29:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 19:29:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-13 19:29:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-13 19:29:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-13 19:29:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-13 19:29:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-13 19:29:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-13 19:29:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-13 19:29:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-13 19:29:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-13 19:29:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-13 19:29:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-13 19:29:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 19:29:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-13 19:29:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-13 19:29:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-13 19:29:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-13 19:29:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-13 19:29:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-13 19:29:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-13 19:29:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-13 19:29:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-13 19:29:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-13 19:29:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-13 19:29:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-13 19:29:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-13 19:29:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-13 19:29:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-13 19:29:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-13 19:29:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-13 19:29:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-13 19:29:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-13 19:29:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-13 19:29:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-13 19:29:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-13 19:29:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-13 19:29:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-13 19:29:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-13 19:29:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-13 19:29:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-13 19:29:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-13 19:29:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-13 19:29:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-13 19:29:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-13 19:29:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-13 19:29:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-13 19:29:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-13 19:29:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-13 19:29:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-13 19:29:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-13 19:29:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-13 19:29:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-13 19:29:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-13 19:29:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-13 19:29:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-13 19:29:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-13 19:29:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-13 19:29:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-13 19:29:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-13 19:29:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-13 19:29:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-13 19:29:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-13 19:29:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-13 19:29:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-13 19:29:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-13 19:29:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-13 19:29:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-13 19:29:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-13 19:29:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-13 19:29:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-13 19:29:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-13 19:29:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-13 19:29:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-13 19:29:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-13 19:29:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-13 19:29:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-13 19:29:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-13 19:29:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-07-13 19:29:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-13 19:29:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-13 19:29:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-07-13 19:29:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-07-13 19:29:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-13 19:29:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-13 19:29:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-07-13 19:29:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-13 19:29:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-13 19:29:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-13 19:29:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-07-13 19:29:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-13 19:29:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-07-13 19:29:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-07-13 19:29:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-13 19:29:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 28560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28560 trivial. 0 not checked. [2022-07-13 19:29:18,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:29:18,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061908192] [2022-07-13 19:29:18,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061908192] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:29:18,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:29:18,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 19:29:18,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221444347] [2022-07-13 19:29:18,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:29:18,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 19:29:18,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:29:18,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 19:29:18,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 19:29:18,483 INFO L87 Difference]: Start difference. First operand has 176 states, 53 states have (on average 1.0377358490566038) internal successors, (55), 54 states have internal predecessors, (55), 120 states have call successors, (120), 1 states have call predecessors, (120), 1 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (120), 1 states have call predecessors, (120), 1 states have return successors, (120), 1 states have call predecessors, (120), 2 states have call successors, (120) [2022-07-13 19:29:18,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:29:18,520 INFO L93 Difference]: Finished difference Result 346 states and 704 transitions. [2022-07-13 19:29:18,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 19:29:18,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (120), 1 states have call predecessors, (120), 1 states have return successors, (120), 1 states have call predecessors, (120), 2 states have call successors, (120) Word has length 648 [2022-07-13 19:29:18,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:29:18,530 INFO L225 Difference]: With dead ends: 346 [2022-07-13 19:29:18,530 INFO L226 Difference]: Without dead ends: 173 [2022-07-13 19:29:18,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 19:29:18,542 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 19:29:18,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 19:29:18,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-07-13 19:29:18,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-07-13 19:29:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 51 states have (on average 1.0) internal successors, (51), 51 states have internal predecessors, (51), 120 states have call successors, (120), 1 states have call predecessors, (120), 1 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2022-07-13 19:29:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 291 transitions. [2022-07-13 19:29:18,616 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 291 transitions. Word has length 648 [2022-07-13 19:29:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:29:18,617 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 291 transitions. [2022-07-13 19:29:18,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (120), 1 states have call predecessors, (120), 1 states have return successors, (120), 1 states have call predecessors, (120), 2 states have call successors, (120) [2022-07-13 19:29:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2022-07-13 19:29:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2022-07-13 19:29:18,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:29:18,628 INFO L195 NwaCegarLoop]: trace histogram [120, 120, 120, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:29:18,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 19:29:18,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 19:29:18,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:29:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash 818839756, now seen corresponding path program 1 times [2022-07-13 19:29:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:29:18,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381263372] [2022-07-13 19:29:18,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:29:18,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:29:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat