./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/Dubois-018.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-018.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 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 19:07:42,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 19:07:42,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 19:07:42,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 19:07:42,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 19:07:42,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 19:07:42,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 19:07:42,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 19:07:42,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 19:07:42,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 19:07:42,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 19:07:42,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 19:07:42,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 19:07:42,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 19:07:42,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 19:07:42,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 19:07:42,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 19:07:42,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 19:07:42,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 19:07:42,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 19:07:42,152 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 19:07:42,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 19:07:42,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 19:07:42,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 19:07:42,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 19:07:42,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 19:07:42,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 19:07:42,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 19:07:42,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 19:07:42,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 19:07:42,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 19:07:42,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 19:07:42,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 19:07:42,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 19:07:42,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 19:07:42,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 19:07:42,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 19:07:42,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 19:07:42,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 19:07:42,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 19:07:42,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 19:07:42,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 19:07:42,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 19:07:42,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 19:07:42,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 19:07:42,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 19:07:42,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 19:07:42,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 19:07:42,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 19:07:42,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 19:07:42,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 19:07:42,194 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 19:07:42,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 19:07:42,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 19:07:42,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 19:07:42,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 19:07:42,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 19:07:42,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 19:07:42,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 19:07:42,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 19:07:42,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 19:07:42,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 19:07:42,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 19:07:42,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 19:07:42,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 19:07:42,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 19:07:42,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 19:07:42,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 19:07:42,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 19:07:42,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 19:07:42,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 19:07:42,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 19:07:42,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 19:07:42,198 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 19:07:42,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 19:07:42,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 19:07:42,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 [2022-07-22 19:07:42,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 19:07:42,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 19:07:42,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 19:07:42,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 19:07:42,402 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 19:07:42,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-018.c [2022-07-22 19:07:42,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7ad2ece/465b08c148ef40fab095d633cb604042/FLAG90a8f7558 [2022-07-22 19:07:42,819 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 19:07:42,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-018.c [2022-07-22 19:07:42,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7ad2ece/465b08c148ef40fab095d633cb604042/FLAG90a8f7558 [2022-07-22 19:07:42,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7ad2ece/465b08c148ef40fab095d633cb604042 [2022-07-22 19:07:42,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 19:07:42,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 19:07:42,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 19:07:42,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 19:07:42,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 19:07:42,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 07:07:42" (1/1) ... [2022-07-22 19:07:42,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff843d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:42, skipping insertion in model container [2022-07-22 19:07:42,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 07:07:42" (1/1) ... [2022-07-22 19:07:42,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 19:07:42,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 19:07:43,082 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-018.c[13032,13045] [2022-07-22 19:07:43,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 19:07:43,123 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 19:07:43,184 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-018.c[13032,13045] [2022-07-22 19:07:43,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 19:07:43,227 INFO L208 MainTranslator]: Completed translation [2022-07-22 19:07:43,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43 WrapperNode [2022-07-22 19:07:43,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 19:07:43,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 19:07:43,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 19:07:43,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 19:07:43,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:43,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:46,181 INFO L137 Inliner]: procedures = 13, calls = 151, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 377 [2022-07-22 19:07:46,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 19:07:46,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 19:07:46,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 19:07:46,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 19:07:46,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:46,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:47,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:47,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:48,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:48,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:48,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:49,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 19:07:49,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 19:07:49,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 19:07:49,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 19:07:49,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (1/1) ... [2022-07-22 19:07:49,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 19:07:49,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 19:07:49,117 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) [2022-07-22 19:07:49,118 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 [2022-07-22 19:07:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 19:07:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 19:07:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 19:07:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 19:07:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-22 19:07:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-22 19:07:49,220 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 19:07:49,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 19:07:51,299 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 19:07:51,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 19:07:51,306 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 19:07:51,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 07:07:51 BoogieIcfgContainer [2022-07-22 19:07:51,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 19:07:51,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 19:07:51,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 19:07:51,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 19:07:51,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 07:07:42" (1/3) ... [2022-07-22 19:07:51,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cde6086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 07:07:51, skipping insertion in model container [2022-07-22 19:07:51,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:07:43" (2/3) ... [2022-07-22 19:07:51,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cde6086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 07:07:51, skipping insertion in model container [2022-07-22 19:07:51,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 07:07:51" (3/3) ... [2022-07-22 19:07:51,313 INFO L111 eAbstractionObserver]: Analyzing ICFG Dubois-018.c [2022-07-22 19:07:51,323 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 19:07:51,323 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 19:07:51,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 19:07:51,361 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@4071538b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@541d0b48 [2022-07-22 19:07:51,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 19:07:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 62 states have (on average 1.032258064516129) internal successors, (64), 63 states have internal predecessors, (64), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2022-07-22 19:07:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-07-22 19:07:51,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 19:07:51,387 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 19:07:51,388 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 19:07:51,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 19:07:51,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1433432883, now seen corresponding path program 1 times [2022-07-22 19:07:51,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 19:07:51,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048677983] [2022-07-22 19:07:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:07:51,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 19:07:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 19:07:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 19:07:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 19:07:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 19:07:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 19:07:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 19:07:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 19:07:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 19:07:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 19:07:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 19:07:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 19:07:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 19:07:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 19:07:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 19:07:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 19:07:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 19:07:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 19:07:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 19:07:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 19:07:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 19:07:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-22 19:07:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-22 19:07:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-22 19:07:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 19:07:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-22 19:07:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-22 19:07:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-22 19:07:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-22 19:07:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 19:07:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-22 19:07:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-22 19:07:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-22 19:07:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-22 19:07:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-22 19:07:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-22 19:07:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-22 19:07:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-22 19:07:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-22 19:07:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-22 19:07:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-22 19:07:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-22 19:07:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-22 19:07:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-22 19:07:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-22 19:07:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-22 19:07:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-22 19:07:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-22 19:07:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-22 19:07:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-22 19:07:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-22 19:07:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-22 19:07:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-22 19:07:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-22 19:07:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-22 19:07:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-22 19:07:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-22 19:07:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-22 19:07:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-22 19:07:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-22 19:07:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-22 19:07:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-22 19:07:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-22 19:07:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-22 19:07:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-22 19:07:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-22 19:07:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-22 19:07:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-22 19:07:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-22 19:07:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-22 19:07:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-22 19:07:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-22 19:07:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-22 19:07:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-22 19:07:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-22 19:07:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-22 19:07:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-22 19:07:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-22 19:07:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-22 19:07:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-22 19:07:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-22 19:07:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-22 19:07:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-22 19:07:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-22 19:07:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-22 19:07:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-22 19:07:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-22 19:07:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-22 19:07:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-22 19:07:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-22 19:07:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-22 19:07:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-22 19:07:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-22 19:07:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-22 19:07:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-22 19:07:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-22 19:07:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-22 19:07:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-22 19:07:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-22 19:07:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-22 19:07:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-22 19:07:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-22 19:07:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-22 19:07:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-22 19:07:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-22 19:07:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-07-22 19:07:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-07-22 19:07:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-22 19:07:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-22 19:07:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-22 19:07:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-22 19:07:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-22 19:07:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-22 19:07:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-07-22 19:07:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-07-22 19:07:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-07-22 19:07:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2022-07-22 19:07:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-07-22 19:07:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2022-07-22 19:07:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-07-22 19:07:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-07-22 19:07:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-07-22 19:07:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-07-22 19:07:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-07-22 19:07:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-07-22 19:07:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-07-22 19:07:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-07-22 19:07:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-22 19:07:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-07-22 19:07:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-07-22 19:07:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2022-07-22 19:07:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2022-07-22 19:07:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-07-22 19:07:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2022-07-22 19:07:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 721 [2022-07-22 19:07:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-07-22 19:07:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2022-07-22 19:07:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-07-22 19:07:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2022-07-22 19:07:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-07-22 19:07:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2022-07-22 19:07:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-07-22 19:07:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-07-22 19:07:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-07-22 19:07:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-07-22 19:07:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:07:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 41184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41184 trivial. 0 not checked. [2022-07-22 19:07:52,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 19:07:52,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048677983] [2022-07-22 19:07:52,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048677983] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 19:07:52,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 19:07:52,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 19:07:52,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300280013] [2022-07-22 19:07:52,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 19:07:52,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 19:07:52,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 19:07:52,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 19:07:52,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 19:07:52,260 INFO L87 Difference]: Start difference. First operand has 209 states, 62 states have (on average 1.032258064516129) internal successors, (64), 63 states have internal predecessors, (64), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) [2022-07-22 19:07:52,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 19:07:52,297 INFO L93 Difference]: Finished difference Result 412 states and 842 transitions. [2022-07-22 19:07:52,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 19:07:52,300 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) Word has length 777 [2022-07-22 19:07:52,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 19:07:52,307 INFO L225 Difference]: With dead ends: 412 [2022-07-22 19:07:52,309 INFO L226 Difference]: Without dead ends: 206 [2022-07-22 19:07:52,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 19:07:52,320 INFO L413 NwaCegarLoop]: 348 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, 348 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 [2022-07-22 19:07:52,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 19:07:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-07-22 19:07:52,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2022-07-22 19:07:52,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 60 states have (on average 1.0) internal successors, (60), 60 states have internal predecessors, (60), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2022-07-22 19:07:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 348 transitions. [2022-07-22 19:07:52,388 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 348 transitions. Word has length 777 [2022-07-22 19:07:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 19:07:52,389 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 348 transitions. [2022-07-22 19:07:52,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) [2022-07-22 19:07:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 348 transitions. [2022-07-22 19:07:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-07-22 19:07:52,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 19:07:52,401 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 19:07:52,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 19:07:52,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 19:07:52,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 19:07:52,402 INFO L85 PathProgramCache]: Analyzing trace with hash -299827635, now seen corresponding path program 1 times [2022-07-22 19:07:52,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 19:07:52,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220953279] [2022-07-22 19:07:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:07:52,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 19:07:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat