./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/Dubois-017.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-017.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 0161797d3d47f58b7fc5d66ce82438765cea4779ac8884472a06ee6979f47801 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 07:49:01,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 07:49:01,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 07:49:01,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 07:49:01,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 07:49:01,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 07:49:01,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 07:49:01,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 07:49:01,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 07:49:01,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 07:49:01,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 07:49:01,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 07:49:01,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 07:49:01,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 07:49:01,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 07:49:01,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 07:49:01,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 07:49:01,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 07:49:01,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 07:49:01,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 07:49:01,129 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 07:49:01,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 07:49:01,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 07:49:01,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 07:49:01,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 07:49:01,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 07:49:01,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 07:49:01,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 07:49:01,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 07:49:01,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 07:49:01,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 07:49:01,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 07:49:01,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 07:49:01,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 07:49:01,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 07:49:01,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 07:49:01,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 07:49:01,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 07:49:01,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 07:49:01,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 07:49:01,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 07:49:01,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 07:49:01,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 07:49:01,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 07:49:01,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 07:49:01,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 07:49:01,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 07:49:01,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 07:49:01,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 07:49:01,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 07:49:01,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 07:49:01,185 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 07:49:01,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 07:49:01,187 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 07:49:01,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 07:49:01,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 07:49:01,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 07:49:01,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 07:49:01,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 07:49:01,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 07:49:01,188 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 07:49:01,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 07:49:01,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 07:49:01,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 07:49:01,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 07:49:01,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 07:49:01,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 07:49:01,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:49:01,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 07:49:01,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 07:49:01,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 07:49:01,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 07:49:01,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 07:49:01,191 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 07:49:01,191 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 07:49:01,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 07:49:01,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0161797d3d47f58b7fc5d66ce82438765cea4779ac8884472a06ee6979f47801 [2022-07-12 07:49:01,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 07:49:01,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 07:49:01,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 07:49:01,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 07:49:01,513 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 07:49:01,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-017.c [2022-07-12 07:49:01,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2672176e6/a224b03ee5f742c9b175391baf4909fe/FLAG2edee4cb8 [2022-07-12 07:49:02,087 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 07:49:02,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-017.c [2022-07-12 07:49:02,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2672176e6/a224b03ee5f742c9b175391baf4909fe/FLAG2edee4cb8 [2022-07-12 07:49:02,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2672176e6/a224b03ee5f742c9b175391baf4909fe [2022-07-12 07:49:02,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 07:49:02,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 07:49:02,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 07:49:02,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 07:49:02,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 07:49:02,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:49:02" (1/1) ... [2022-07-12 07:49:02,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cea568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:02, skipping insertion in model container [2022-07-12 07:49:02,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:49:02" (1/1) ... [2022-07-12 07:49:02,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 07:49:02,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 07:49:02,955 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-017.c[12348,12361] [2022-07-12 07:49:03,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:49:03,041 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 07:49:03,130 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-017.c[12348,12361] [2022-07-12 07:49:03,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:49:03,205 INFO L208 MainTranslator]: Completed translation [2022-07-12 07:49:03,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03 WrapperNode [2022-07-12 07:49:03,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 07:49:03,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 07:49:03,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 07:49:03,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 07:49:03,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:03,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:06,304 INFO L137 Inliner]: procedures = 13, calls = 143, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 357 [2022-07-12 07:49:06,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 07:49:06,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 07:49:06,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 07:49:06,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 07:49:06,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:06,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:07,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:07,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:08,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:08,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:08,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:09,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 07:49:09,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 07:49:09,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 07:49:09,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 07:49:09,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (1/1) ... [2022-07-12 07:49:09,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:49:09,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:49:09,503 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) [2022-07-12 07:49:09,524 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 [2022-07-12 07:49:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 07:49:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 07:49:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 07:49:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 07:49:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-12 07:49:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-12 07:49:09,619 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 07:49:09,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 07:49:12,225 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 07:49:12,240 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 07:49:12,240 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 07:49:12,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:49:12 BoogieIcfgContainer [2022-07-12 07:49:12,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 07:49:12,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 07:49:12,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 07:49:12,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 07:49:12,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 07:49:02" (1/3) ... [2022-07-12 07:49:12,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1482b435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:49:12, skipping insertion in model container [2022-07-12 07:49:12,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:49:03" (2/3) ... [2022-07-12 07:49:12,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1482b435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:49:12, skipping insertion in model container [2022-07-12 07:49:12,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:49:12" (3/3) ... [2022-07-12 07:49:12,251 INFO L111 eAbstractionObserver]: Analyzing ICFG Dubois-017.c [2022-07-12 07:49:12,265 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 07:49:12,265 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 07:49:12,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 07:49:12,321 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@7a3f8eaf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7771b87e [2022-07-12 07:49:12,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 07:49:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 60 states have internal predecessors, (61), 136 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2022-07-12 07:49:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2022-07-12 07:49:12,375 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:49:12,376 INFO L195 NwaCegarLoop]: trace histogram [136, 136, 136, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:49:12,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 07:49:12,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:49:12,382 INFO L85 PathProgramCache]: Analyzing trace with hash 614162225, now seen corresponding path program 1 times [2022-07-12 07:49:12,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:49:12,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620949415] [2022-07-12 07:49:12,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:49:12,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:49:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 07:49:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 07:49:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 07:49:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 07:49:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 07:49:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 07:49:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 07:49:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 07:49:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 07:49:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 07:49:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 07:49:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 07:49:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 07:49:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 07:49:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 07:49:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 07:49:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 07:49:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 07:49:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 07:49:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 07:49:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 07:49:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 07:49:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 07:49:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 07:49:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 07:49:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 07:49:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 07:49:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 07:49:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 07:49:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 07:49:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 07:49:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 07:49:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 07:49:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 07:49:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 07:49:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 07:49:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 07:49:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 07:49:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 07:49:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 07:49:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-12 07:49:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 07:49:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 07:49:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 07:49:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 07:49:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 07:49:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 07:49:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 07:49:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 07:49:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 07:49:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 07:49:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 07:49:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 07:49:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-12 07:49:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 07:49:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 07:49:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-12 07:49:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 07:49:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 07:49:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 07:49:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-12 07:49:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 07:49:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 07:49:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 07:49:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-12 07:49:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 07:49:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-12 07:49:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 07:49:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 07:49:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-12 07:49:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 07:49:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 07:49:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-12 07:49:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 07:49:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-12 07:49:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 07:49:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 07:49:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-12 07:49:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 07:49:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 07:49:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 07:49:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 07:49:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-12 07:49:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-12 07:49:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-12 07:49:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-12 07:49:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-12 07:49:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-12 07:49:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-12 07:49:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-12 07:49:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 07:49:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 07:49:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-12 07:49:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 07:49:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-12 07:49:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-12 07:49:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-12 07:49:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-12 07:49:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-12 07:49:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-12 07:49:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-12 07:49:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-12 07:49:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-12 07:49:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-12 07:49:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-12 07:49:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-12 07:49:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-07-12 07:49:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-07-12 07:49:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-12 07:49:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2022-07-12 07:49:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-07-12 07:49:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2022-07-12 07:49:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2022-07-12 07:49:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-07-12 07:49:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-07-12 07:49:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-07-12 07:49:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-07-12 07:49:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2022-07-12 07:49:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-12 07:49:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-07-12 07:49:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2022-07-12 07:49:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2022-07-12 07:49:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2022-07-12 07:49:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-12 07:49:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-07-12 07:49:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2022-07-12 07:49:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-07-12 07:49:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2022-07-12 07:49:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-07-12 07:49:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-12 07:49:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2022-07-12 07:49:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-07-12 07:49:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-07-12 07:49:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-07-12 07:49:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2022-07-12 07:49:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2022-07-12 07:49:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:49:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 36720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36720 trivial. 0 not checked. [2022-07-12 07:49:13,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:49:13,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620949415] [2022-07-12 07:49:13,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620949415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:49:13,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:49:13,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 07:49:13,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176415715] [2022-07-12 07:49:13,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:49:13,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 07:49:13,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:49:13,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 07:49:13,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 07:49:13,573 INFO L87 Difference]: Start difference. First operand has 198 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 60 states have internal predecessors, (61), 136 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 1 states have call predecessors, (136), 2 states have call successors, (136) [2022-07-12 07:49:13,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:49:13,627 INFO L93 Difference]: Finished difference Result 390 states and 796 transitions. [2022-07-12 07:49:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 07:49:13,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 1 states have call predecessors, (136), 2 states have call successors, (136) Word has length 734 [2022-07-12 07:49:13,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:49:13,641 INFO L225 Difference]: With dead ends: 390 [2022-07-12 07:49:13,644 INFO L226 Difference]: Without dead ends: 195 [2022-07-12 07:49:13,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 07:49:13,663 INFO L413 NwaCegarLoop]: 329 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, 329 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 [2022-07-12 07:49:13,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 07:49:13,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-12 07:49:13,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-07-12 07:49:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 57 states have (on average 1.0) internal successors, (57), 57 states have internal predecessors, (57), 136 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2022-07-12 07:49:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 329 transitions. [2022-07-12 07:49:13,778 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 329 transitions. Word has length 734 [2022-07-12 07:49:13,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:49:13,780 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 329 transitions. [2022-07-12 07:49:13,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (136), 1 states have call predecessors, (136), 1 states have return successors, (136), 1 states have call predecessors, (136), 2 states have call successors, (136) [2022-07-12 07:49:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 329 transitions. [2022-07-12 07:49:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2022-07-12 07:49:13,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:49:13,803 INFO L195 NwaCegarLoop]: trace histogram [136, 136, 136, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:49:13,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 07:49:13,803 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 07:49:13,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:49:13,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1555864369, now seen corresponding path program 1 times [2022-07-12 07:49:13,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:49:13,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136393871] [2022-07-12 07:49:13,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:49:13,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:49:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat