./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/Dubois-016.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/Dubois-016.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 f3b96f097d73340af79826eaa169822c6d0189f605932856e051ecf6fc9385ac --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 19:29:18,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 19:29:18,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 19:29:18,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 19:29:18,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 19:29:18,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 19:29:18,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 19:29:18,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 19:29:18,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 19:29:18,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 19:29:18,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 19:29:18,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 19:29:18,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 19:29:18,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 19:29:18,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 19:29:18,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 19:29:18,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 19:29:18,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 19:29:18,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 19:29:18,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 19:29:18,587 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 19:29:18,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 19:29:18,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 19:29:18,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 19:29:18,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 19:29:18,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 19:29:18,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 19:29:18,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 19:29:18,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 19:29:18,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 19:29:18,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 19:29:18,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 19:29:18,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 19:29:18,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 19:29:18,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 19:29:18,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 19:29:18,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 19:29:18,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 19:29:18,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 19:29:18,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 19:29:18,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 19:29:18,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 19:29:18,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 19:29:18,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 19:29:18,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 19:29:18,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 19:29:18,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 19:29:18,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 19:29:18,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 19:29:18,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 19:29:18,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 19:29:18,633 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 19:29:18,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 19:29:18,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 19:29:18,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 19:29:18,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 19:29:18,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 19:29:18,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 19:29:18,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 19:29:18,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 19:29:18,635 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 19:29:18,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 19:29:18,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 19:29:18,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 19:29:18,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 19:29:18,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 19:29:18,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 19:29:18,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:29:18,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 19:29:18,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 19:29:18,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 19:29:18,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 19:29:18,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 19:29:18,637 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 19:29:18,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 19:29:18,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 19:29:18,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3b96f097d73340af79826eaa169822c6d0189f605932856e051ecf6fc9385ac [2022-07-13 19:29:18,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 19:29:18,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 19:29:18,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 19:29:18,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 19:29:18,866 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 19:29:18,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-016.c [2022-07-13 19:29:18,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d824f011b/e6c735ec6261498bbf810fe0fd3d4d82/FLAGa42694ff5 [2022-07-13 19:29:19,319 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 19:29:19,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-016.c [2022-07-13 19:29:19,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d824f011b/e6c735ec6261498bbf810fe0fd3d4d82/FLAGa42694ff5 [2022-07-13 19:29:19,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d824f011b/e6c735ec6261498bbf810fe0fd3d4d82 [2022-07-13 19:29:19,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 19:29:19,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 19:29:19,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 19:29:19,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 19:29:19,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 19:29:19,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:19,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255e8e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19, skipping insertion in model container [2022-07-13 19:29:19,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:19,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 19:29:19,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 19:29:19,585 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-016.c[11664,11677] [2022-07-13 19:29:19,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:29:19,645 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 19:29:19,702 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-016.c[11664,11677] [2022-07-13 19:29:19,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:29:19,758 INFO L208 MainTranslator]: Completed translation [2022-07-13 19:29:19,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19 WrapperNode [2022-07-13 19:29:19,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 19:29:19,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 19:29:19,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 19:29:19,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 19:29:19,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:19,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:22,426 INFO L137 Inliner]: procedures = 13, calls = 135, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 337 [2022-07-13 19:29:22,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 19:29:22,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 19:29:22,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 19:29:22,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 19:29:22,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:22,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:23,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:23,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:24,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:24,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:24,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:25,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 19:29:25,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 19:29:25,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 19:29:25,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 19:29:25,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (1/1) ... [2022-07-13 19:29:25,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:29:25,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 19:29:25,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 19:29:25,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 19:29:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 19:29:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 19:29:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 19:29:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 19:29:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-13 19:29:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-13 19:29:25,619 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 19:29:25,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 19:29:27,438 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 19:29:27,447 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 19:29:27,447 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 19:29:27,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:29:27 BoogieIcfgContainer [2022-07-13 19:29:27,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 19:29:27,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 19:29:27,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 19:29:27,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 19:29:27,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 07:29:19" (1/3) ... [2022-07-13 19:29:27,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0e2f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:29:27, skipping insertion in model container [2022-07-13 19:29:27,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:29:19" (2/3) ... [2022-07-13 19:29:27,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0e2f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:29:27, skipping insertion in model container [2022-07-13 19:29:27,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:29:27" (3/3) ... [2022-07-13 19:29:27,457 INFO L111 eAbstractionObserver]: Analyzing ICFG Dubois-016.c [2022-07-13 19:29:27,466 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 19:29:27,467 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 19:29:27,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 19:29:27,510 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@4adf8d2a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7dec006 [2022-07-13 19:29:27,510 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 19:29:27,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 56 states have (on average 1.0357142857142858) internal successors, (58), 57 states have internal predecessors, (58), 128 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2022-07-13 19:29:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2022-07-13 19:29:27,540 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:29:27,541 INFO L195 NwaCegarLoop]: trace histogram [128, 128, 128, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:29:27,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 19:29:27,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:29:27,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1225290552, now seen corresponding path program 1 times [2022-07-13 19:29:27,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:29:27,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872818692] [2022-07-13 19:29:27,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:29:27,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:29:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 19:29:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 19:29:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 19:29:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 19:29:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 19:29:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 19:29:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 19:29:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 19:29:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 19:29:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 19:29:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 19:29:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-13 19:29:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-13 19:29:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-13 19:29:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-13 19:29:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 19:29:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 19:29:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 19:29:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 19:29:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-13 19:29:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 19:29:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-13 19:29:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-13 19:29:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-13 19:29:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 19:29:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-13 19:29:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-13 19:29:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 19:29:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-13 19:29:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-13 19:29:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-13 19:29:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-13 19:29:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-13 19:29:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-13 19:29:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-13 19:29:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-13 19:29:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-13 19:29:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-13 19:29:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-13 19:29:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 19:29:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-13 19:29:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-13 19:29:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-13 19:29:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-13 19:29:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-13 19:29:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-13 19:29:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-13 19:29:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-13 19:29:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-13 19:29:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-13 19:29:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-13 19:29:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-13 19:29:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-13 19:29:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-13 19:29:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-13 19:29:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-13 19:29:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-13 19:29:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-13 19:29:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-13 19:29:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-13 19:29:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-13 19:29:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-13 19:29:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-13 19:29:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-13 19:29:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-13 19:29:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-13 19:29:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-13 19:29:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-13 19:29:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-13 19:29:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-13 19:29:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-13 19:29:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-13 19:29:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-13 19:29:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-13 19:29:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-13 19:29:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-13 19:29:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-13 19:29:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-13 19:29:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-13 19:29:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-13 19:29:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-13 19:29:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-13 19:29:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-13 19:29:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-13 19:29:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-13 19:29:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-13 19:29:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-13 19:29:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-13 19:29:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-13 19:29:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-13 19:29:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-13 19:29:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-13 19:29:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-13 19:29:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-13 19:29:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-13 19:29:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-13 19:29:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-13 19:29:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-13 19:29:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-13 19:29:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-13 19:29:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-13 19:29:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-13 19:29:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-13 19:29:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-13 19:29:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-13 19:29:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-13 19:29:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-13 19:29:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-13 19:29:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-13 19:29:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2022-07-13 19:29:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-13 19:29:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-13 19:29:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-07-13 19:29:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-07-13 19:29:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2022-07-13 19:29:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-07-13 19:29:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-07-13 19:29:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-07-13 19:29:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-07-13 19:29:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-13 19:29:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2022-07-13 19:29:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-07-13 19:29:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2022-07-13 19:29:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2022-07-13 19:29:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2022-07-13 19:29:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-07-13 19:29:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-13 19:29:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2022-07-13 19:29:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:29:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 32512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32512 trivial. 0 not checked. [2022-07-13 19:29:28,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:29:28,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872818692] [2022-07-13 19:29:28,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872818692] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:29:28,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:29:28,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 19:29:28,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121449196] [2022-07-13 19:29:28,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:29:28,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 19:29:28,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:29:28,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 19:29:28,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 19:29:28,346 INFO L87 Difference]: Start difference. First operand has 187 states, 56 states have (on average 1.0357142857142858) internal successors, (58), 57 states have internal predecessors, (58), 128 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 1 states have call predecessors, (128), 2 states have call successors, (128) [2022-07-13 19:29:28,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:29:28,396 INFO L93 Difference]: Finished difference Result 368 states and 750 transitions. [2022-07-13 19:29:28,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 19:29:28,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 1 states have call predecessors, (128), 2 states have call successors, (128) Word has length 691 [2022-07-13 19:29:28,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:29:28,408 INFO L225 Difference]: With dead ends: 368 [2022-07-13 19:29:28,408 INFO L226 Difference]: Without dead ends: 184 [2022-07-13 19:29:28,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 19:29:28,415 INFO L413 NwaCegarLoop]: 310 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, 310 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 19:29:28,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 19:29:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-07-13 19:29:28,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-07-13 19:29:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 54 states have (on average 1.0) internal successors, (54), 54 states have internal predecessors, (54), 128 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2022-07-13 19:29:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 310 transitions. [2022-07-13 19:29:28,529 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 310 transitions. Word has length 691 [2022-07-13 19:29:28,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:29:28,530 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 310 transitions. [2022-07-13 19:29:28,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (128), 1 states have call predecessors, (128), 1 states have return successors, (128), 1 states have call predecessors, (128), 2 states have call successors, (128) [2022-07-13 19:29:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 310 transitions. [2022-07-13 19:29:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2022-07-13 19:29:28,549 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:29:28,550 INFO L195 NwaCegarLoop]: trace histogram [128, 128, 128, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:29:28,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 19:29:28,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 19:29:28,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:29:28,551 INFO L85 PathProgramCache]: Analyzing trace with hash -179259192, now seen corresponding path program 1 times [2022-07-13 19:29:28,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:29:28,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706886644] [2022-07-13 19:29:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:29:28,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:29:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat