./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem15_label16.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 f36a525a226086cc938e65ee46daa868faf1a89b705080609babafb304ea1cb5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 00:02:43,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 00:02:43,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 00:02:43,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 00:02:43,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 00:02:43,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 00:02:43,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 00:02:43,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 00:02:43,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 00:02:43,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 00:02:43,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 00:02:43,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 00:02:43,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 00:02:43,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 00:02:43,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 00:02:43,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 00:02:43,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 00:02:43,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 00:02:43,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 00:02:43,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 00:02:43,940 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 00:02:43,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 00:02:43,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 00:02:43,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 00:02:43,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 00:02:43,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 00:02:43,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 00:02:43,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 00:02:43,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 00:02:43,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 00:02:43,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 00:02:43,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 00:02:43,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 00:02:43,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 00:02:43,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 00:02:43,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 00:02:43,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 00:02:43,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 00:02:43,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 00:02:43,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 00:02:43,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 00:02:43,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 00:02:43,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 00:02:44,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 00:02:44,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 00:02:44,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 00:02:44,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 00:02:44,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 00:02:44,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 00:02:44,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 00:02:44,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 00:02:44,003 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 00:02:44,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 00:02:44,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 00:02:44,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 00:02:44,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 00:02:44,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 00:02:44,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 00:02:44,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 00:02:44,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 00:02:44,011 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 00:02:44,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 00:02:44,012 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 00:02:44,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 00:02:44,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 00:02:44,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 00:02:44,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 00:02:44,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:02:44,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 00:02:44,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 00:02:44,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 00:02:44,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 00:02:44,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 00:02:44,014 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 00:02:44,014 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 00:02:44,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 00:02:44,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36a525a226086cc938e65ee46daa868faf1a89b705080609babafb304ea1cb5 [2022-07-21 00:02:44,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 00:02:44,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 00:02:44,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 00:02:44,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 00:02:44,358 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 00:02:44,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label16.c [2022-07-21 00:02:44,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59f0d321/435f1b5b10024e28b1386ace79b41aa6/FLAG1af02e23a [2022-07-21 00:02:44,975 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 00:02:44,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label16.c [2022-07-21 00:02:44,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59f0d321/435f1b5b10024e28b1386ace79b41aa6/FLAG1af02e23a [2022-07-21 00:02:45,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59f0d321/435f1b5b10024e28b1386ace79b41aa6 [2022-07-21 00:02:45,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 00:02:45,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 00:02:45,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 00:02:45,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 00:02:45,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 00:02:45,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:02:45" (1/1) ... [2022-07-21 00:02:45,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412baf05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:45, skipping insertion in model container [2022-07-21 00:02:45,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:02:45" (1/1) ... [2022-07-21 00:02:45,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 00:02:45,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 00:02:45,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label16.c[7550,7563] [2022-07-21 00:02:45,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:02:45,938 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 00:02:45,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label16.c[7550,7563] [2022-07-21 00:02:46,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:02:46,306 INFO L208 MainTranslator]: Completed translation [2022-07-21 00:02:46,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46 WrapperNode [2022-07-21 00:02:46,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 00:02:46,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 00:02:46,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 00:02:46,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 00:02:46,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,564 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-21 00:02:46,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 00:02:46,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 00:02:46,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 00:02:46,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 00:02:46,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 00:02:46,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 00:02:46,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 00:02:46,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 00:02:46,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (1/1) ... [2022-07-21 00:02:46,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:02:46,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:02:46,908 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) [2022-07-21 00:02:46,932 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 [2022-07-21 00:02:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 00:02:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 00:02:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 00:02:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 00:02:47,022 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 00:02:47,024 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 00:02:49,329 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 00:02:49,344 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 00:02:49,345 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 00:02:49,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:02:49 BoogieIcfgContainer [2022-07-21 00:02:49,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 00:02:49,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 00:02:49,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 00:02:49,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 00:02:49,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:02:45" (1/3) ... [2022-07-21 00:02:49,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5ebad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:02:49, skipping insertion in model container [2022-07-21 00:02:49,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:02:46" (2/3) ... [2022-07-21 00:02:49,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5ebad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:02:49, skipping insertion in model container [2022-07-21 00:02:49,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:02:49" (3/3) ... [2022-07-21 00:02:49,356 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label16.c [2022-07-21 00:02:49,368 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 00:02:49,369 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 00:02:49,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 00:02:49,444 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@6a65ea07, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@506eb8e4 [2022-07-21 00:02:49,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 00:02:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-21 00:02:49,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:49,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:49,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:49,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:49,470 INFO L85 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2022-07-21 00:02:49,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:49,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052375673] [2022-07-21 00:02:49,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:49,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:02:49,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:49,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052375673] [2022-07-21 00:02:49,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052375673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:49,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:49,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:02:49,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870120422] [2022-07-21 00:02:49,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:49,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:49,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:49,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:49,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:49,770 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:51,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:51,642 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2022-07-21 00:02:51,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:51,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-07-21 00:02:51,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:51,658 INFO L225 Difference]: With dead ends: 1155 [2022-07-21 00:02:51,659 INFO L226 Difference]: Without dead ends: 667 [2022-07-21 00:02:51,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:51,666 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 282 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:51,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 00:02:51,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-07-21 00:02:51,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2022-07-21 00:02:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:51,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2022-07-21 00:02:51,736 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 62 [2022-07-21 00:02:51,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:51,737 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2022-07-21 00:02:51,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2022-07-21 00:02:51,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-21 00:02:51,741 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:51,742 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:51,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 00:02:51,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:51,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:51,743 INFO L85 PathProgramCache]: Analyzing trace with hash -796528411, now seen corresponding path program 1 times [2022-07-21 00:02:51,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:51,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685496802] [2022-07-21 00:02:51,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:51,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:02:51,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:51,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685496802] [2022-07-21 00:02:51,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685496802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:51,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:51,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:02:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300277822] [2022-07-21 00:02:51,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:51,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:51,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:51,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:51,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:51,892 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:53,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:53,837 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2022-07-21 00:02:53,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:53,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-07-21 00:02:53,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:53,844 INFO L225 Difference]: With dead ends: 1955 [2022-07-21 00:02:53,845 INFO L226 Difference]: Without dead ends: 1292 [2022-07-21 00:02:53,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:53,850 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 258 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:53,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 327 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 00:02:53,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-07-21 00:02:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2022-07-21 00:02:53,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2022-07-21 00:02:53,923 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 137 [2022-07-21 00:02:53,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:53,924 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2022-07-21 00:02:53,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2022-07-21 00:02:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-21 00:02:53,940 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:53,940 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:53,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 00:02:53,942 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:53,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:53,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1624626917, now seen corresponding path program 1 times [2022-07-21 00:02:53,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:53,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623857107] [2022-07-21 00:02:53,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:53,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:02:54,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:54,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623857107] [2022-07-21 00:02:54,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623857107] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:54,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:54,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:02:54,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215636505] [2022-07-21 00:02:54,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:54,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:54,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:54,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:54,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:54,124 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:56,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:56,383 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2022-07-21 00:02:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:56,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-07-21 00:02:56,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:56,393 INFO L225 Difference]: With dead ends: 3764 [2022-07-21 00:02:56,393 INFO L226 Difference]: Without dead ends: 2484 [2022-07-21 00:02:56,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:56,397 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:56,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-21 00:02:56,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2022-07-21 00:02:56,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2022-07-21 00:02:56,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2022-07-21 00:02:56,448 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 141 [2022-07-21 00:02:56,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:56,450 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2022-07-21 00:02:56,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2022-07-21 00:02:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-21 00:02:56,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:56,461 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:56,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 00:02:56,461 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:56,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:56,462 INFO L85 PathProgramCache]: Analyzing trace with hash 146795855, now seen corresponding path program 1 times [2022-07-21 00:02:56,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:56,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086590953] [2022-07-21 00:02:56,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:56,665 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-21 00:02:56,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:56,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086590953] [2022-07-21 00:02:56,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086590953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:56,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:56,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:02:56,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623579313] [2022-07-21 00:02:56,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:56,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:56,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:56,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:56,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:56,669 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:58,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:58,066 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2022-07-21 00:02:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:58,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2022-07-21 00:02:58,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:58,082 INFO L225 Difference]: With dead ends: 6166 [2022-07-21 00:02:58,083 INFO L226 Difference]: Without dead ends: 3986 [2022-07-21 00:02:58,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:58,088 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:58,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:02:58,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2022-07-21 00:02:58,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2022-07-21 00:02:58,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2022-07-21 00:02:58,166 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 232 [2022-07-21 00:02:58,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:02:58,167 INFO L495 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2022-07-21 00:02:58,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2022-07-21 00:02:58,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-07-21 00:02:58,173 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:02:58,173 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:02:58,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 00:02:58,174 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:02:58,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:02:58,174 INFO L85 PathProgramCache]: Analyzing trace with hash 81110933, now seen corresponding path program 1 times [2022-07-21 00:02:58,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:02:58,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159998616] [2022-07-21 00:02:58,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:02:58,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:02:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:02:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 00:02:58,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:02:58,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159998616] [2022-07-21 00:02:58,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159998616] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:02:58,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:02:58,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:02:58,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036212048] [2022-07-21 00:02:58,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:02:58,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:02:58,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:02:58,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:02:58,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:58,415 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:02:59,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:02:59,896 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2022-07-21 00:02:59,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:02:59,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 334 [2022-07-21 00:02:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:02:59,921 INFO L225 Difference]: With dead ends: 7661 [2022-07-21 00:02:59,922 INFO L226 Difference]: Without dead ends: 3981 [2022-07-21 00:02:59,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:02:59,931 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:02:59,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:02:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2022-07-21 00:02:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2022-07-21 00:03:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2022-07-21 00:03:00,015 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 334 [2022-07-21 00:03:00,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:00,016 INFO L495 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2022-07-21 00:03:00,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2022-07-21 00:03:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-21 00:03:00,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:00,026 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:00,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 00:03:00,027 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:00,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:00,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2004983654, now seen corresponding path program 1 times [2022-07-21 00:03:00,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:00,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689358298] [2022-07-21 00:03:00,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:00,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 00:03:00,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:00,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689358298] [2022-07-21 00:03:00,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689358298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:00,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:00,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:00,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797031004] [2022-07-21 00:03:00,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:00,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:00,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:00,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:00,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:00,265 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:01,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:01,820 INFO L93 Difference]: Finished difference Result 9465 states and 11674 transitions. [2022-07-21 00:03:01,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:01,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 349 [2022-07-21 00:03:01,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:01,849 INFO L225 Difference]: With dead ends: 9465 [2022-07-21 00:03:01,850 INFO L226 Difference]: Without dead ends: 5785 [2022-07-21 00:03:01,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:01,862 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 254 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:01,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 671 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:03:01,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2022-07-21 00:03:01,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2022-07-21 00:03:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1675890695261155) internal successors, (6751), 5782 states have internal predecessors, (6751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6751 transitions. [2022-07-21 00:03:01,997 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6751 transitions. Word has length 349 [2022-07-21 00:03:01,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:01,998 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 6751 transitions. [2022-07-21 00:03:01,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:01,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6751 transitions. [2022-07-21 00:03:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-21 00:03:02,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:02,007 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:02,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 00:03:02,007 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:02,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:02,008 INFO L85 PathProgramCache]: Analyzing trace with hash -320576153, now seen corresponding path program 1 times [2022-07-21 00:03:02,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:02,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299287806] [2022-07-21 00:03:02,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:02,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-21 00:03:02,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:02,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299287806] [2022-07-21 00:03:02,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299287806] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:02,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:02,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:02,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906201697] [2022-07-21 00:03:02,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:02,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:02,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:02,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:02,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:02,240 INFO L87 Difference]: Start difference. First operand 5783 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:03,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:03,817 INFO L93 Difference]: Finished difference Result 13364 states and 15910 transitions. [2022-07-21 00:03:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:03,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 408 [2022-07-21 00:03:03,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:03,847 INFO L225 Difference]: With dead ends: 13364 [2022-07-21 00:03:03,848 INFO L226 Difference]: Without dead ends: 7882 [2022-07-21 00:03:03,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:03,856 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 265 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:03,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 635 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:03:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2022-07-21 00:03:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7284. [2022-07-21 00:03:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7283 states have (on average 1.148702457778388) internal successors, (8366), 7283 states have internal predecessors, (8366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 8366 transitions. [2022-07-21 00:03:03,981 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 8366 transitions. Word has length 408 [2022-07-21 00:03:03,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:03,982 INFO L495 AbstractCegarLoop]: Abstraction has 7284 states and 8366 transitions. [2022-07-21 00:03:03,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 8366 transitions. [2022-07-21 00:03:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-07-21 00:03:03,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:03,990 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:03,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 00:03:03,994 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:03,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:03,995 INFO L85 PathProgramCache]: Analyzing trace with hash -416528072, now seen corresponding path program 1 times [2022-07-21 00:03:03,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:03,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351926439] [2022-07-21 00:03:03,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:03,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 00:03:04,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:04,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351926439] [2022-07-21 00:03:04,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351926439] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:04,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:04,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:04,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313064867] [2022-07-21 00:03:04,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:04,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:04,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:04,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:04,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:04,217 INFO L87 Difference]: Start difference. First operand 7284 states and 8366 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:05,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:05,687 INFO L93 Difference]: Finished difference Result 16064 states and 18802 transitions. [2022-07-21 00:03:05,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:05,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 423 [2022-07-21 00:03:05,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:05,707 INFO L225 Difference]: With dead ends: 16064 [2022-07-21 00:03:05,707 INFO L226 Difference]: Without dead ends: 9081 [2022-07-21 00:03:05,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:05,716 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 329 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:05,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 156 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:03:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9081 states. [2022-07-21 00:03:05,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9081 to 9081. [2022-07-21 00:03:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9081 states, 9080 states have (on average 1.1708149779735684) internal successors, (10631), 9080 states have internal predecessors, (10631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:05,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9081 states to 9081 states and 10631 transitions. [2022-07-21 00:03:05,842 INFO L78 Accepts]: Start accepts. Automaton has 9081 states and 10631 transitions. Word has length 423 [2022-07-21 00:03:05,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:05,843 INFO L495 AbstractCegarLoop]: Abstraction has 9081 states and 10631 transitions. [2022-07-21 00:03:05,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 9081 states and 10631 transitions. [2022-07-21 00:03:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-07-21 00:03:05,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:05,850 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:05,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 00:03:05,852 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:05,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash 604018968, now seen corresponding path program 1 times [2022-07-21 00:03:05,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:05,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354606377] [2022-07-21 00:03:05,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:05,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 284 proven. 75 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 00:03:06,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:06,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354606377] [2022-07-21 00:03:06,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354606377] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:03:06,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576530896] [2022-07-21 00:03:06,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:06,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:06,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:03:06,330 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:03:06,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 00:03:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:06,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:03:06,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:03:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 00:03:06,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:03:06,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576530896] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:06,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:03:06,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-21 00:03:06,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905139549] [2022-07-21 00:03:06,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:06,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:06,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:06,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:06,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:03:06,728 INFO L87 Difference]: Start difference. First operand 9081 states and 10631 transitions. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:08,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:08,398 INFO L93 Difference]: Finished difference Result 17865 states and 20964 transitions. [2022-07-21 00:03:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:08,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 498 [2022-07-21 00:03:08,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:08,413 INFO L225 Difference]: With dead ends: 17865 [2022-07-21 00:03:08,413 INFO L226 Difference]: Without dead ends: 9085 [2022-07-21 00:03:08,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:03:08,421 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 274 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:08,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 263 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-21 00:03:08,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2022-07-21 00:03:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 8482. [2022-07-21 00:03:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8482 states, 8481 states have (on average 1.1479778328027355) internal successors, (9736), 8481 states have internal predecessors, (9736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8482 states to 8482 states and 9736 transitions. [2022-07-21 00:03:08,521 INFO L78 Accepts]: Start accepts. Automaton has 8482 states and 9736 transitions. Word has length 498 [2022-07-21 00:03:08,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:08,522 INFO L495 AbstractCegarLoop]: Abstraction has 8482 states and 9736 transitions. [2022-07-21 00:03:08,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand 8482 states and 9736 transitions. [2022-07-21 00:03:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2022-07-21 00:03:08,528 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:08,528 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:08,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 00:03:08,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:08,755 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:08,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:08,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1543863763, now seen corresponding path program 1 times [2022-07-21 00:03:08,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:08,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008038724] [2022-07-21 00:03:08,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:08,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 424 proven. 39 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 00:03:09,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:09,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008038724] [2022-07-21 00:03:09,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008038724] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:03:09,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572210728] [2022-07-21 00:03:09,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:09,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:09,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:03:09,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:03:09,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 00:03:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:09,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:03:09,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:03:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-21 00:03:09,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:03:09,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572210728] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:09,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:03:09,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:03:09,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8594939] [2022-07-21 00:03:09,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:09,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:09,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:09,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:09,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:03:09,511 INFO L87 Difference]: Start difference. First operand 8482 states and 9736 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:11,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:11,173 INFO L93 Difference]: Finished difference Result 19653 states and 22781 transitions. [2022-07-21 00:03:11,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:11,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 513 [2022-07-21 00:03:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:11,192 INFO L225 Difference]: With dead ends: 19653 [2022-07-21 00:03:11,192 INFO L226 Difference]: Without dead ends: 11472 [2022-07-21 00:03:11,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:03:11,203 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 148 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:11,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 316 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-21 00:03:11,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11472 states. [2022-07-21 00:03:11,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11472 to 7579. [2022-07-21 00:03:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.159012932172077) internal successors, (8783), 7578 states have internal predecessors, (8783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8783 transitions. [2022-07-21 00:03:11,302 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8783 transitions. Word has length 513 [2022-07-21 00:03:11,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:11,303 INFO L495 AbstractCegarLoop]: Abstraction has 7579 states and 8783 transitions. [2022-07-21 00:03:11,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8783 transitions. [2022-07-21 00:03:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-07-21 00:03:11,309 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:11,310 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:11,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 00:03:11,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-21 00:03:11,524 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:11,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:11,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1587144653, now seen corresponding path program 1 times [2022-07-21 00:03:11,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:11,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073924809] [2022-07-21 00:03:11,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:11,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-07-21 00:03:11,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:11,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073924809] [2022-07-21 00:03:11,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073924809] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:03:11,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333887152] [2022-07-21 00:03:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:11,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:11,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:03:11,774 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:03:11,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 00:03:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:11,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:03:11,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:03:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-21 00:03:12,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:03:12,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333887152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:12,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:03:12,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:03:12,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074996661] [2022-07-21 00:03:12,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:12,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:12,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:12,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:12,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:03:12,040 INFO L87 Difference]: Start difference. First operand 7579 states and 8783 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:13,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:13,440 INFO L93 Difference]: Finished difference Result 17248 states and 20251 transitions. [2022-07-21 00:03:13,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:13,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 546 [2022-07-21 00:03:13,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:13,458 INFO L225 Difference]: With dead ends: 17248 [2022-07-21 00:03:13,458 INFO L226 Difference]: Without dead ends: 9970 [2022-07-21 00:03:13,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:03:13,492 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 357 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:13,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 449 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:03:13,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2022-07-21 00:03:13,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 9970. [2022-07-21 00:03:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9970 states, 9969 states have (on average 1.1602969204534055) internal successors, (11567), 9969 states have internal predecessors, (11567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 11567 transitions. [2022-07-21 00:03:13,598 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 11567 transitions. Word has length 546 [2022-07-21 00:03:13,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:13,599 INFO L495 AbstractCegarLoop]: Abstraction has 9970 states and 11567 transitions. [2022-07-21 00:03:13,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 11567 transitions. [2022-07-21 00:03:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-07-21 00:03:13,606 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:13,606 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:13,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 00:03:13,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:13,819 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:13,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:13,820 INFO L85 PathProgramCache]: Analyzing trace with hash 703199593, now seen corresponding path program 1 times [2022-07-21 00:03:13,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:13,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097361659] [2022-07-21 00:03:13,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:13,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-07-21 00:03:14,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:14,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097361659] [2022-07-21 00:03:14,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097361659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:14,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:14,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:14,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503813192] [2022-07-21 00:03:14,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:14,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:14,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:14,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:14,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:14,010 INFO L87 Difference]: Start difference. First operand 9970 states and 11567 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:15,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:15,581 INFO L93 Difference]: Finished difference Result 24138 states and 28246 transitions. [2022-07-21 00:03:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:15,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 550 [2022-07-21 00:03:15,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:15,602 INFO L225 Difference]: With dead ends: 24138 [2022-07-21 00:03:15,602 INFO L226 Difference]: Without dead ends: 14469 [2022-07-21 00:03:15,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:15,612 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 246 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:15,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 623 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:03:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14469 states. [2022-07-21 00:03:15,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14469 to 14159. [2022-07-21 00:03:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14159 states, 14158 states have (on average 1.1399915242265857) internal successors, (16140), 14158 states have internal predecessors, (16140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14159 states to 14159 states and 16140 transitions. [2022-07-21 00:03:15,767 INFO L78 Accepts]: Start accepts. Automaton has 14159 states and 16140 transitions. Word has length 550 [2022-07-21 00:03:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:15,768 INFO L495 AbstractCegarLoop]: Abstraction has 14159 states and 16140 transitions. [2022-07-21 00:03:15,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 14159 states and 16140 transitions. [2022-07-21 00:03:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2022-07-21 00:03:15,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:15,781 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:15,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 00:03:15,782 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:15,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:15,782 INFO L85 PathProgramCache]: Analyzing trace with hash -561879944, now seen corresponding path program 1 times [2022-07-21 00:03:15,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:15,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678988160] [2022-07-21 00:03:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 397 proven. 268 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-21 00:03:16,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:16,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678988160] [2022-07-21 00:03:16,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678988160] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:03:16,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552934286] [2022-07-21 00:03:16,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:16,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:16,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:03:16,127 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:03:16,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 00:03:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:16,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:03:16,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:03:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-21 00:03:16,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:03:16,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552934286] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:16,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:03:16,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-21 00:03:16,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754238083] [2022-07-21 00:03:16,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:16,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:16,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:16,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:16,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:03:16,472 INFO L87 Difference]: Start difference. First operand 14159 states and 16140 transitions. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:17,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:17,712 INFO L93 Difference]: Finished difference Result 28019 states and 31977 transitions. [2022-07-21 00:03:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:17,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 605 [2022-07-21 00:03:17,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:17,736 INFO L225 Difference]: With dead ends: 28019 [2022-07-21 00:03:17,736 INFO L226 Difference]: Without dead ends: 14161 [2022-07-21 00:03:17,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:03:17,750 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 310 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:17,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 447 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 00:03:17,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14161 states. [2022-07-21 00:03:17,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14161 to 14156. [2022-07-21 00:03:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14156 states, 14155 states have (on average 1.1263157894736842) internal successors, (15943), 14155 states have internal predecessors, (15943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14156 states to 14156 states and 15943 transitions. [2022-07-21 00:03:18,007 INFO L78 Accepts]: Start accepts. Automaton has 14156 states and 15943 transitions. Word has length 605 [2022-07-21 00:03:18,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:18,008 INFO L495 AbstractCegarLoop]: Abstraction has 14156 states and 15943 transitions. [2022-07-21 00:03:18,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 14156 states and 15943 transitions. [2022-07-21 00:03:18,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-07-21 00:03:18,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:18,019 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:18,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 00:03:18,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:18,244 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:18,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:18,244 INFO L85 PathProgramCache]: Analyzing trace with hash -939629100, now seen corresponding path program 1 times [2022-07-21 00:03:18,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:18,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547397073] [2022-07-21 00:03:18,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:18,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:18,498 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-21 00:03:18,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:18,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547397073] [2022-07-21 00:03:18,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547397073] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:03:18,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814208904] [2022-07-21 00:03:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:18,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:18,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:03:18,501 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:03:18,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 00:03:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:18,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 00:03:18,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:03:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-21 00:03:19,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:03:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-21 00:03:20,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814208904] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:03:20,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:03:20,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-21 00:03:20,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117261813] [2022-07-21 00:03:20,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:03:20,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 00:03:20,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:20,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 00:03:20,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-21 00:03:20,016 INFO L87 Difference]: Start difference. First operand 14156 states and 15943 transitions. Second operand has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:25,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:25,692 INFO L93 Difference]: Finished difference Result 36345 states and 40709 transitions. [2022-07-21 00:03:25,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 00:03:25,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 626 [2022-07-21 00:03:25,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:25,722 INFO L225 Difference]: With dead ends: 36345 [2022-07-21 00:03:25,722 INFO L226 Difference]: Without dead ends: 16549 [2022-07-21 00:03:25,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1261 GetRequests, 1246 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-07-21 00:03:25,742 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 3139 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 5779 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 6439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 5779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:25,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3139 Valid, 273 Invalid, 6439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 5779 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-21 00:03:25,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16549 states. [2022-07-21 00:03:25,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16549 to 12360. [2022-07-21 00:03:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12360 states, 12359 states have (on average 1.0603608706206005) internal successors, (13105), 12359 states have internal predecessors, (13105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12360 states to 12360 states and 13105 transitions. [2022-07-21 00:03:25,985 INFO L78 Accepts]: Start accepts. Automaton has 12360 states and 13105 transitions. Word has length 626 [2022-07-21 00:03:25,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:25,986 INFO L495 AbstractCegarLoop]: Abstraction has 12360 states and 13105 transitions. [2022-07-21 00:03:25,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 12360 states and 13105 transitions. [2022-07-21 00:03:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2022-07-21 00:03:25,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:25,998 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:26,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-21 00:03:26,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-21 00:03:26,212 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:26,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:26,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1874022056, now seen corresponding path program 1 times [2022-07-21 00:03:26,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:26,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086126323] [2022-07-21 00:03:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:26,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 263 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:03:26,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:26,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086126323] [2022-07-21 00:03:26,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086126323] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:03:26,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174961139] [2022-07-21 00:03:26,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:26,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:26,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:03:26,684 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:03:26,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 00:03:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:26,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 00:03:26,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:03:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 448 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:03:27,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:03:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 448 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:03:29,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174961139] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:03:29,344 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:03:29,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2022-07-21 00:03:29,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820718443] [2022-07-21 00:03:29,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:03:29,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 00:03:29,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:29,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 00:03:29,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-07-21 00:03:29,347 INFO L87 Difference]: Start difference. First operand 12360 states and 13105 transitions. Second operand has 12 states, 12 states have (on average 143.08333333333334) internal successors, (1717), 12 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:40,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:40,249 INFO L93 Difference]: Finished difference Result 40598 states and 43063 transitions. [2022-07-21 00:03:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-07-21 00:03:40,250 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 143.08333333333334) internal successors, (1717), 12 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 663 [2022-07-21 00:03:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:40,280 INFO L225 Difference]: With dead ends: 40598 [2022-07-21 00:03:40,280 INFO L226 Difference]: Without dead ends: 27633 [2022-07-21 00:03:40,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1415 GetRequests, 1361 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=591, Invalid=2489, Unknown=0, NotChecked=0, Total=3080 [2022-07-21 00:03:40,292 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 6160 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 14017 mSolverCounterSat, 1766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6160 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 15783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1766 IncrementalHoareTripleChecker+Valid, 14017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:40,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6160 Valid, 447 Invalid, 15783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1766 Valid, 14017 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-07-21 00:03:40,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27633 states. [2022-07-21 00:03:40,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27633 to 20446. [2022-07-21 00:03:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20446 states, 20445 states have (on average 1.0548789435069699) internal successors, (21567), 20445 states have internal predecessors, (21567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20446 states to 20446 states and 21567 transitions. [2022-07-21 00:03:40,614 INFO L78 Accepts]: Start accepts. Automaton has 20446 states and 21567 transitions. Word has length 663 [2022-07-21 00:03:40,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:40,614 INFO L495 AbstractCegarLoop]: Abstraction has 20446 states and 21567 transitions. [2022-07-21 00:03:40,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 143.08333333333334) internal successors, (1717), 12 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:40,615 INFO L276 IsEmpty]: Start isEmpty. Operand 20446 states and 21567 transitions. [2022-07-21 00:03:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2022-07-21 00:03:40,629 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:40,629 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:40,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 00:03:40,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-21 00:03:40,844 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:40,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1481252113, now seen corresponding path program 1 times [2022-07-21 00:03:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:40,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128821642] [2022-07-21 00:03:40,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:40,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1286 backedges. 750 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-07-21 00:03:41,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:41,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128821642] [2022-07-21 00:03:41,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128821642] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:41,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:41,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:41,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096779008] [2022-07-21 00:03:41,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:41,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:41,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:41,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:41,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:41,119 INFO L87 Difference]: Start difference. First operand 20446 states and 21567 transitions. Second operand has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:42,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:42,094 INFO L93 Difference]: Finished difference Result 40589 states and 42841 transitions. [2022-07-21 00:03:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:42,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 767 [2022-07-21 00:03:42,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:42,113 INFO L225 Difference]: With dead ends: 40589 [2022-07-21 00:03:42,113 INFO L226 Difference]: Without dead ends: 20743 [2022-07-21 00:03:42,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:42,124 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 436 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:42,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 68 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:03:42,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20743 states. [2022-07-21 00:03:42,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20743 to 20444. [2022-07-21 00:03:42,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20444 states, 20443 states have (on average 1.0547864794795285) internal successors, (21563), 20443 states have internal predecessors, (21563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20444 states to 20444 states and 21563 transitions. [2022-07-21 00:03:42,313 INFO L78 Accepts]: Start accepts. Automaton has 20444 states and 21563 transitions. Word has length 767 [2022-07-21 00:03:42,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:42,314 INFO L495 AbstractCegarLoop]: Abstraction has 20444 states and 21563 transitions. [2022-07-21 00:03:42,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 20444 states and 21563 transitions. [2022-07-21 00:03:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2022-07-21 00:03:42,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:42,324 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:42,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 00:03:42,324 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:42,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:42,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1656374415, now seen corresponding path program 1 times [2022-07-21 00:03:42,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:42,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736894266] [2022-07-21 00:03:42,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:42,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1286 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-07-21 00:03:42,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:42,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736894266] [2022-07-21 00:03:42,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736894266] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:42,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:42,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:42,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032368621] [2022-07-21 00:03:42,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:42,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:42,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:42,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:42,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:42,588 INFO L87 Difference]: Start difference. First operand 20444 states and 21563 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:43,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:43,629 INFO L93 Difference]: Finished difference Result 47761 states and 50425 transitions. [2022-07-21 00:03:43,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:43,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 767 [2022-07-21 00:03:43,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:43,653 INFO L225 Difference]: With dead ends: 47761 [2022-07-21 00:03:43,653 INFO L226 Difference]: Without dead ends: 27618 [2022-07-21 00:03:43,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:43,661 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 270 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:43,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 148 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:03:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27618 states. [2022-07-21 00:03:43,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27618 to 26422. [2022-07-21 00:03:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26422 states, 26421 states have (on average 1.0506415351425002) internal successors, (27759), 26421 states have internal predecessors, (27759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26422 states to 26422 states and 27759 transitions. [2022-07-21 00:03:43,906 INFO L78 Accepts]: Start accepts. Automaton has 26422 states and 27759 transitions. Word has length 767 [2022-07-21 00:03:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:43,906 INFO L495 AbstractCegarLoop]: Abstraction has 26422 states and 27759 transitions. [2022-07-21 00:03:43,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 26422 states and 27759 transitions. [2022-07-21 00:03:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2022-07-21 00:03:43,918 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:43,918 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:43,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 00:03:43,919 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:43,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:43,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1610032020, now seen corresponding path program 1 times [2022-07-21 00:03:43,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:43,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224871406] [2022-07-21 00:03:43,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:43,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 424 proven. 60 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2022-07-21 00:03:44,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:44,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224871406] [2022-07-21 00:03:44,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224871406] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:03:44,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568512255] [2022-07-21 00:03:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:44,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:44,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:03:44,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:03:44,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 00:03:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:44,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 00:03:44,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:03:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2022-07-21 00:03:44,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:03:44,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568512255] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:44,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:03:44,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-21 00:03:44,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437608298] [2022-07-21 00:03:44,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:44,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:44,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:44,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:44,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:03:44,797 INFO L87 Difference]: Start difference. First operand 26422 states and 27759 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:45,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:45,846 INFO L93 Difference]: Finished difference Result 53749 states and 56439 transitions. [2022-07-21 00:03:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:45,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 808 [2022-07-21 00:03:45,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:45,882 INFO L225 Difference]: With dead ends: 53749 [2022-07-21 00:03:45,882 INFO L226 Difference]: Without dead ends: 27628 [2022-07-21 00:03:45,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:03:45,898 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 257 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:45,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 532 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 00:03:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27628 states. [2022-07-21 00:03:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27628 to 27020. [2022-07-21 00:03:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27020 states, 27019 states have (on average 1.0494466856656426) internal successors, (28355), 27019 states have internal predecessors, (28355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:46,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27020 states to 27020 states and 28355 transitions. [2022-07-21 00:03:46,214 INFO L78 Accepts]: Start accepts. Automaton has 27020 states and 28355 transitions. Word has length 808 [2022-07-21 00:03:46,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:46,215 INFO L495 AbstractCegarLoop]: Abstraction has 27020 states and 28355 transitions. [2022-07-21 00:03:46,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:46,215 INFO L276 IsEmpty]: Start isEmpty. Operand 27020 states and 28355 transitions. [2022-07-21 00:03:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2022-07-21 00:03:46,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:46,234 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:46,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 00:03:46,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:46,435 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:46,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:46,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1306604090, now seen corresponding path program 1 times [2022-07-21 00:03:46,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:46,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504552415] [2022-07-21 00:03:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:46,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 1012 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-07-21 00:03:46,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:46,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504552415] [2022-07-21 00:03:46,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504552415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:46,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:46,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:03:46,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498666870] [2022-07-21 00:03:46,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:46,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:03:46,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:46,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:03:46,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:03:46,863 INFO L87 Difference]: Start difference. First operand 27020 states and 28355 transitions. Second operand has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:48,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:48,450 INFO L93 Difference]: Finished difference Result 54924 states and 57681 transitions. [2022-07-21 00:03:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:03:48,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 886 [2022-07-21 00:03:48,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:48,477 INFO L225 Difference]: With dead ends: 54924 [2022-07-21 00:03:48,477 INFO L226 Difference]: Without dead ends: 28504 [2022-07-21 00:03:48,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:03:48,493 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 516 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:48,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 418 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:03:48,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28504 states. [2022-07-21 00:03:48,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28504 to 25808. [2022-07-21 00:03:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25808 states, 25807 states have (on average 1.0383229356376178) internal successors, (26796), 25807 states have internal predecessors, (26796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25808 states to 25808 states and 26796 transitions. [2022-07-21 00:03:48,730 INFO L78 Accepts]: Start accepts. Automaton has 25808 states and 26796 transitions. Word has length 886 [2022-07-21 00:03:48,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:48,731 INFO L495 AbstractCegarLoop]: Abstraction has 25808 states and 26796 transitions. [2022-07-21 00:03:48,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 25808 states and 26796 transitions. [2022-07-21 00:03:48,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1010 [2022-07-21 00:03:48,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:48,750 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:48,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 00:03:48,750 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:48,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:48,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1235265237, now seen corresponding path program 1 times [2022-07-21 00:03:48,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:48,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371918203] [2022-07-21 00:03:48,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:48,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 676 proven. 655 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-21 00:03:49,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:49,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371918203] [2022-07-21 00:03:49,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371918203] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:03:49,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222920046] [2022-07-21 00:03:49,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:49,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:49,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:03:49,260 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 00:03:49,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-21 00:03:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:49,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:03:49,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:03:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 957 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-07-21 00:03:49,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:03:49,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222920046] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:49,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:03:49,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-21 00:03:49,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587212942] [2022-07-21 00:03:49,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:49,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:49,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:49,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:49,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:03:49,867 INFO L87 Difference]: Start difference. First operand 25808 states and 26796 transitions. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:50,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:50,745 INFO L93 Difference]: Finished difference Result 49817 states and 51737 transitions. [2022-07-21 00:03:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:50,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1009 [2022-07-21 00:03:50,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:50,770 INFO L225 Difference]: With dead ends: 49817 [2022-07-21 00:03:50,770 INFO L226 Difference]: Without dead ends: 24609 [2022-07-21 00:03:50,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1014 GetRequests, 1009 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:03:50,787 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 42 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:50,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 502 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:03:50,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24609 states. [2022-07-21 00:03:51,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24609 to 24011. [2022-07-21 00:03:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24011 states, 24010 states have (on average 1.0254893794252395) internal successors, (24622), 24010 states have internal predecessors, (24622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:51,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24011 states to 24011 states and 24622 transitions. [2022-07-21 00:03:51,053 INFO L78 Accepts]: Start accepts. Automaton has 24011 states and 24622 transitions. Word has length 1009 [2022-07-21 00:03:51,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:51,053 INFO L495 AbstractCegarLoop]: Abstraction has 24011 states and 24622 transitions. [2022-07-21 00:03:51,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 24011 states and 24622 transitions. [2022-07-21 00:03:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2022-07-21 00:03:51,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:51,073 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:51,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-21 00:03:51,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:03:51,274 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1346514092, now seen corresponding path program 1 times [2022-07-21 00:03:51,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:51,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317883390] [2022-07-21 00:03:51,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:51,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:51,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 1215 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2022-07-21 00:03:51,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:51,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317883390] [2022-07-21 00:03:51,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317883390] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:51,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:51,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:51,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289902968] [2022-07-21 00:03:51,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:51,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:51,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:51,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:51,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:51,619 INFO L87 Difference]: Start difference. First operand 24011 states and 24622 transitions. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:52,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:52,620 INFO L93 Difference]: Finished difference Result 50726 states and 52033 transitions. [2022-07-21 00:03:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:52,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1117 [2022-07-21 00:03:52,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:52,652 INFO L225 Difference]: With dead ends: 50726 [2022-07-21 00:03:52,652 INFO L226 Difference]: Without dead ends: 27315 [2022-07-21 00:03:52,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:52,668 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 349 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:52,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 117 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:03:52,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27315 states. [2022-07-21 00:03:52,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27315 to 24009. [2022-07-21 00:03:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24009 states, 24008 states have (on average 1.0244085304898367) internal successors, (24594), 24008 states have internal predecessors, (24594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24009 states to 24009 states and 24594 transitions. [2022-07-21 00:03:52,978 INFO L78 Accepts]: Start accepts. Automaton has 24009 states and 24594 transitions. Word has length 1117 [2022-07-21 00:03:52,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:52,979 INFO L495 AbstractCegarLoop]: Abstraction has 24009 states and 24594 transitions. [2022-07-21 00:03:52,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:52,979 INFO L276 IsEmpty]: Start isEmpty. Operand 24009 states and 24594 transitions. [2022-07-21 00:03:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1123 [2022-07-21 00:03:53,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:53,003 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:53,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 00:03:53,004 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:53,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:53,005 INFO L85 PathProgramCache]: Analyzing trace with hash -291773601, now seen corresponding path program 1 times [2022-07-21 00:03:53,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:53,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706205634] [2022-07-21 00:03:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:53,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2262 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2022-07-21 00:03:53,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:53,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706205634] [2022-07-21 00:03:53,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706205634] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:53,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:53,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:03:53,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757601520] [2022-07-21 00:03:53,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:53,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:03:53,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:53,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:03:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:03:53,419 INFO L87 Difference]: Start difference. First operand 24009 states and 24594 transitions. Second operand has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:54,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:54,845 INFO L93 Difference]: Finished difference Result 51907 states and 53182 transitions. [2022-07-21 00:03:54,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:03:54,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1122 [2022-07-21 00:03:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:54,877 INFO L225 Difference]: With dead ends: 51907 [2022-07-21 00:03:54,877 INFO L226 Difference]: Without dead ends: 28498 [2022-07-21 00:03:54,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:03:54,889 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 872 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:54,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 147 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 00:03:54,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28498 states. [2022-07-21 00:03:55,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28498 to 24905. [2022-07-21 00:03:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24905 states, 24904 states have (on average 1.0225666559588822) internal successors, (25466), 24904 states have internal predecessors, (25466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24905 states to 24905 states and 25466 transitions. [2022-07-21 00:03:55,199 INFO L78 Accepts]: Start accepts. Automaton has 24905 states and 25466 transitions. Word has length 1122 [2022-07-21 00:03:55,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:55,200 INFO L495 AbstractCegarLoop]: Abstraction has 24905 states and 25466 transitions. [2022-07-21 00:03:55,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 24905 states and 25466 transitions. [2022-07-21 00:03:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1365 [2022-07-21 00:03:55,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:55,234 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:55,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-21 00:03:55,235 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:55,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1297631945, now seen corresponding path program 1 times [2022-07-21 00:03:55,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:55,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684511238] [2022-07-21 00:03:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 2091 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-07-21 00:03:55,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:55,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684511238] [2022-07-21 00:03:55,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684511238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:55,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:55,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:55,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886446322] [2022-07-21 00:03:55,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:55,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:55,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:55,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:55,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:55,713 INFO L87 Difference]: Start difference. First operand 24905 states and 25466 transitions. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:56,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:56,689 INFO L93 Difference]: Finished difference Result 53111 states and 54334 transitions. [2022-07-21 00:03:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:56,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1364 [2022-07-21 00:03:56,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:56,715 INFO L225 Difference]: With dead ends: 53111 [2022-07-21 00:03:56,715 INFO L226 Difference]: Without dead ends: 28806 [2022-07-21 00:03:56,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:56,722 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 36 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:56,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 523 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:03:56,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28806 states. [2022-07-21 00:03:56,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28806 to 25810. [2022-07-21 00:03:56,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25810 states, 25809 states have (on average 1.0204967259483126) internal successors, (26338), 25809 states have internal predecessors, (26338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25810 states to 25810 states and 26338 transitions. [2022-07-21 00:03:56,956 INFO L78 Accepts]: Start accepts. Automaton has 25810 states and 26338 transitions. Word has length 1364 [2022-07-21 00:03:56,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:56,957 INFO L495 AbstractCegarLoop]: Abstraction has 25810 states and 26338 transitions. [2022-07-21 00:03:56,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 25810 states and 26338 transitions. [2022-07-21 00:03:56,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2022-07-21 00:03:56,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:03:56,981 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:03:56,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-21 00:03:56,981 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:03:56,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:03:56,982 INFO L85 PathProgramCache]: Analyzing trace with hash 584317062, now seen corresponding path program 1 times [2022-07-21 00:03:56,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:03:56,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656690903] [2022-07-21 00:03:56,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:03:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:03:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:03:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2509 proven. 0 refuted. 0 times theorem prover too weak. 1148 trivial. 0 not checked. [2022-07-21 00:03:57,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:03:57,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656690903] [2022-07-21 00:03:57,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656690903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:03:57,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:03:57,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:03:57,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861146628] [2022-07-21 00:03:57,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:03:57,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:03:57,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:03:57,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:03:57,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:57,444 INFO L87 Difference]: Start difference. First operand 25810 states and 26338 transitions. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:58,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:03:58,203 INFO L93 Difference]: Finished difference Result 40206 states and 41005 transitions. [2022-07-21 00:03:58,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:03:58,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1377 [2022-07-21 00:03:58,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:03:58,204 INFO L225 Difference]: With dead ends: 40206 [2022-07-21 00:03:58,204 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 00:03:58,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:03:58,215 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 228 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:03:58,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 356 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:03:58,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 00:03:58,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 00:03:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 00:03:58,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1377 [2022-07-21 00:03:58,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:03:58,217 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 00:03:58,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:03:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 00:03:58,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 00:03:58,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 00:03:58,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-21 00:03:58,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,836 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-21 00:04:09,837 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,838 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,839 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,840 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-21 00:04:09,840 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,840 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,840 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,840 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,840 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,840 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,840 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-21 00:04:09,841 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,841 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-21 00:04:09,841 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-21 00:04:09,841 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-21 00:04:09,841 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-21 00:04:09,841 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,841 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,841 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,842 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,842 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,842 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,842 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,842 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,842 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-21 00:04:09,842 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 00:04:09,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2022-07-21 00:04:09,843 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,843 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,843 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,843 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,843 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,843 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-21 00:04:09,843 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,844 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-21 00:04:09,844 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-21 00:04:09,844 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-21 00:04:09,844 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-21 00:04:09,844 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-21 00:04:09,844 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-21 00:04:09,844 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,844 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,845 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,845 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,845 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-21 00:04:09,845 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-21 00:04:09,845 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,845 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-21 00:04:09,845 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,845 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,846 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,846 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,846 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,846 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,846 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-21 00:04:09,846 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,846 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,846 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,847 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,847 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,847 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-21 00:04:09,847 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-21 00:04:09,847 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,847 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-21 00:04:09,847 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,848 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,849 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-21 00:04:09,850 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,851 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,852 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,853 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-21 00:04:09,853 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-21 00:04:09,853 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,853 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-21 00:04:09,853 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-21 00:04:09,853 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,853 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,854 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,854 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,854 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,854 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-21 00:04:09,854 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-21 00:04:09,854 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-21 00:04:09,854 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-21 00:04:09,854 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,855 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,855 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,855 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-21 00:04:09,855 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-21 00:04:09,855 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,855 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,855 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,855 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,856 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,856 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,856 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-21 00:04:09,856 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-21 00:04:09,856 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-21 00:04:09,856 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,856 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-21 00:04:09,856 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,857 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,857 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,857 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,857 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,857 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,857 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,857 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,857 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-21 00:04:09,858 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-21 00:04:09,858 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-21 00:04:09,858 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-21 00:04:09,858 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,858 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,858 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,858 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,859 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse25 (+ ~a4~0 86))) (let ((.cse12 (<= (+ ~a0~0 61) 0)) (.cse4 (< 0 .cse25)) (.cse15 (= ~a2~0 1)) (.cse26 (+ ~a0~0 147)) (.cse11 (= 3 ~a2~0)) (.cse3 (<= ~a29~0 43)) (.cse13 (+ ~a29~0 127)) (.cse29 (div ~a29~0 5)) (.cse28 (+ ~a29~0 16))) (let ((.cse17 (<= 5 ~a2~0)) (.cse19 (< 0 .cse28)) (.cse5 (<= (+ 148 ~a0~0) 0)) (.cse18 (<= 0 (+ 141 ~a0~0))) (.cse9 (< 0 (+ 168808 .cse29))) (.cse10 (or (not (= (mod ~a29~0 5) 0)) (< 0 (+ 168807 .cse29)))) (.cse16 (<= .cse13 0)) (.cse22 (not .cse3)) (.cse27 (not .cse11)) (.cse14 (<= (+ 89 ~a4~0) 0)) (.cse23 (not (<= .cse26 0))) (.cse8 (<= (+ 104 ~a0~0) 0)) (.cse1 (not (<= .cse28 0))) (.cse20 (= ~a2~0 4)) (.cse6 (<= 2 ~a2~0)) (.cse21 (<= (+ 98 ~a0~0) 0)) (.cse24 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse2 (or (and .cse15 .cse12) (and .cse4 .cse15))) (.cse7 (<= 0 (+ ~a29~0 192415)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12) (and (<= 0 .cse13) .cse14 .cse15 (<= 0 (+ 44 ~a0~0)) .cse16) (and .cse8 .cse0 .cse17 .cse18 .cse7) (and .cse5 .cse0 .cse15 .cse9 .cse10 .cse12) (and .cse14 .cse15 .cse12) (and .cse14 .cse19 .cse11) (and .cse14 .cse20 .cse9 .cse10 .cse16) (and .cse4 .cse8 .cse0 .cse17) (and .cse21 (or (and .cse0 .cse17 (< 195721 ~a29~0)) (and .cse4 .cse0 .cse17 .cse19))) (and .cse14 .cse17 .cse22) (and .cse0 .cse21 .cse9 .cse18 .cse10 .cse11 .cse12) (and .cse6 .cse14 .cse1 .cse3) (and .cse14 .cse20 .cse3 .cse7) (and .cse5 .cse0 .cse20 .cse9 .cse10) (and .cse8 .cse0 .cse15 .cse23 .cse9 .cse10 .cse12) (and .cse4 .cse0 .cse6 .cse21 .cse19 .cse24) (and .cse5 .cse0 (< 134655 ~a29~0) .cse11 .cse12) (and .cse15 (<= .cse25 0) .cse12 (<= (+ ~a29~0 144) 0)) (and (< 0 .cse26) .cse8 .cse0 .cse20 .cse12) (and .cse27 .cse6 .cse14 (<= (+ ~a29~0 173705) 0) .cse12) (and .cse0 .cse21 .cse15 .cse18 .cse12 .cse7) (and .cse6 .cse14 .cse9 .cse10 .cse24) (and .cse14 .cse9 .cse10 .cse11 .cse16) (and .cse8 .cse27 .cse0 .cse6 .cse22) (and .cse14 .cse11 .cse12) (and .cse27 .cse6 .cse14 .cse23 .cse12) (and .cse8 .cse0 .cse1 .cse20 .cse12) (and (< 43 ~a29~0) .cse6 .cse21 .cse24) (and (<= 0 (+ 97 ~a0~0)) .cse0 .cse2 .cse3 .cse12 .cse7))))) [2022-07-21 00:04:09,859 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-21 00:04:09,859 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-21 00:04:09,859 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,859 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,860 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,860 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,860 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,860 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,860 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,860 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-21 00:04:09,860 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,860 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-21 00:04:09,861 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-21 00:04:09,861 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,861 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-21 00:04:09,861 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-21 00:04:09,861 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-21 00:04:09,861 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-21 00:04:09,861 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,862 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,862 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,862 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,862 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,862 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-21 00:04:09,862 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-21 00:04:09,862 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,862 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-21 00:04:09,863 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-21 00:04:09,863 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,863 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 00:04:09,863 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,863 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,863 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,863 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse27 (+ ~a4~0 86))) (let ((.cse12 (<= (+ ~a0~0 61) 0)) (.cse4 (< 0 .cse27)) (.cse15 (= ~a2~0 1)) (.cse23 (+ ~a29~0 16)) (.cse25 (+ ~a0~0 147)) (.cse11 (= 3 ~a2~0)) (.cse3 (<= ~a29~0 43)) (.cse13 (+ ~a29~0 127)) (.cse28 (div ~a29~0 5))) (let ((.cse18 (<= 0 (+ 141 ~a0~0))) (.cse5 (<= (+ 148 ~a0~0) 0)) (.cse9 (< 0 (+ 168808 .cse28))) (.cse10 (or (not (= (mod ~a29~0 5) 0)) (< 0 (+ 168807 .cse28)))) (.cse16 (<= .cse13 0)) (.cse22 (not .cse3)) (.cse17 (<= 5 ~a2~0)) (.cse26 (not .cse11)) (.cse14 (<= (+ 89 ~a4~0) 0)) (.cse20 (not (<= .cse25 0))) (.cse8 (<= (+ 104 ~a0~0) 0)) (.cse1 (not (<= .cse23 0))) (.cse21 (= ~a2~0 4)) (.cse6 (<= 2 ~a2~0)) (.cse19 (<= (+ 98 ~a0~0) 0)) (.cse24 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse2 (or (and .cse15 .cse12) (and .cse4 .cse15))) (.cse7 (<= 0 (+ ~a29~0 192415)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12) (and (<= 0 .cse13) .cse14 .cse15 (<= 0 (+ 44 ~a0~0)) .cse16) (and .cse8 .cse0 .cse17 .cse18 .cse7) (and .cse5 .cse0 .cse15 .cse9 .cse10 .cse12) (and .cse0 .cse19 .cse15 .cse20 .cse12 .cse7) (and .cse14 .cse15 .cse12) (and .cse5 .cse0 (< 134655 ~a29~0) .cse11) (and .cse14 .cse21 .cse9 .cse10 .cse16) (and .cse4 .cse8 .cse0 .cse17) (and .cse14 .cse17 .cse22) (and .cse8 .cse0 .cse15 .cse20 .cse9 .cse10) (and .cse0 .cse19 .cse9 .cse18 .cse10 .cse11 .cse12) (and .cse6 .cse14 .cse1 .cse3) (and .cse14 .cse21 .cse3 .cse7) (and .cse5 .cse0 .cse21 .cse9 .cse10) (and .cse4 .cse0 .cse6 .cse19 (< 0 .cse23) .cse24) (and (< 0 .cse25) .cse8 .cse0 .cse21 .cse12) (and .cse26 .cse6 .cse14 (<= (+ ~a29~0 173705) 0) .cse12) (and .cse6 .cse14 .cse9 .cse10 .cse24) (and .cse15 (<= .cse27 0) (<= (+ ~a29~0 144) 0)) (and .cse14 .cse9 .cse10 .cse11 .cse16) (and .cse14 .cse1 .cse11) (and .cse8 .cse26 .cse0 .cse6 .cse22) (and .cse14 .cse11 .cse12) (and (or (and .cse0 .cse17 (< 195721 ~a29~0)) (and .cse4 .cse0 .cse1 .cse17)) .cse19) (and .cse26 .cse6 .cse14 .cse20 .cse12) (and .cse8 .cse0 .cse1 .cse21 .cse12) (and (< 43 ~a29~0) .cse6 .cse19 .cse24) (and (<= 0 (+ 97 ~a0~0)) .cse0 .cse2 .cse3 .cse12 .cse7))))) [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-21 00:04:09,864 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-21 00:04:09,865 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,866 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-21 00:04:09,867 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,868 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,868 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,868 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,868 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,868 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,868 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse27 (+ ~a4~0 86))) (let ((.cse12 (<= (+ ~a0~0 61) 0)) (.cse4 (< 0 .cse27)) (.cse15 (= ~a2~0 1)) (.cse23 (+ ~a29~0 16)) (.cse25 (+ ~a0~0 147)) (.cse11 (= 3 ~a2~0)) (.cse3 (<= ~a29~0 43)) (.cse13 (+ ~a29~0 127)) (.cse28 (div ~a29~0 5))) (let ((.cse18 (<= 0 (+ 141 ~a0~0))) (.cse5 (<= (+ 148 ~a0~0) 0)) (.cse9 (< 0 (+ 168808 .cse28))) (.cse10 (or (not (= (mod ~a29~0 5) 0)) (< 0 (+ 168807 .cse28)))) (.cse16 (<= .cse13 0)) (.cse22 (not .cse3)) (.cse17 (<= 5 ~a2~0)) (.cse26 (not .cse11)) (.cse14 (<= (+ 89 ~a4~0) 0)) (.cse20 (not (<= .cse25 0))) (.cse8 (<= (+ 104 ~a0~0) 0)) (.cse1 (not (<= .cse23 0))) (.cse21 (= ~a2~0 4)) (.cse6 (<= 2 ~a2~0)) (.cse19 (<= (+ 98 ~a0~0) 0)) (.cse24 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse2 (or (and .cse15 .cse12) (and .cse4 .cse15))) (.cse7 (<= 0 (+ ~a29~0 192415)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12) (and (<= 0 .cse13) .cse14 .cse15 (<= 0 (+ 44 ~a0~0)) .cse16) (and .cse8 .cse0 .cse17 .cse18 .cse7) (and .cse5 .cse0 .cse15 .cse9 .cse10 .cse12) (and .cse0 .cse19 .cse15 .cse20 .cse12 .cse7) (and .cse14 .cse15 .cse12) (and .cse5 .cse0 (< 134655 ~a29~0) .cse11) (and .cse14 .cse21 .cse9 .cse10 .cse16) (and .cse4 .cse8 .cse0 .cse17) (and .cse14 .cse17 .cse22) (and .cse8 .cse0 .cse15 .cse20 .cse9 .cse10) (and .cse0 .cse19 .cse9 .cse18 .cse10 .cse11 .cse12) (and .cse6 .cse14 .cse1 .cse3) (and .cse14 .cse21 .cse3 .cse7) (and .cse5 .cse0 .cse21 .cse9 .cse10) (and .cse4 .cse0 .cse6 .cse19 (< 0 .cse23) .cse24) (and (< 0 .cse25) .cse8 .cse0 .cse21 .cse12) (and .cse26 .cse6 .cse14 (<= (+ ~a29~0 173705) 0) .cse12) (and .cse6 .cse14 .cse9 .cse10 .cse24) (and .cse15 (<= .cse27 0) (<= (+ ~a29~0 144) 0)) (and .cse14 .cse9 .cse10 .cse11 .cse16) (and .cse14 .cse1 .cse11) (and .cse8 .cse26 .cse0 .cse6 .cse22) (and .cse14 .cse11 .cse12) (and (or (and .cse0 .cse17 (< 195721 ~a29~0)) (and .cse4 .cse0 .cse1 .cse17)) .cse19) (and .cse26 .cse6 .cse14 .cse20 .cse12) (and .cse8 .cse0 .cse1 .cse21 .cse12) (and (< 43 ~a29~0) .cse6 .cse19 .cse24) (and (<= 0 (+ 97 ~a0~0)) .cse0 .cse2 .cse3 .cse12 .cse7))))) [2022-07-21 00:04:09,868 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-21 00:04:09,869 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-21 00:04:09,869 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,869 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,869 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,869 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,869 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,869 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,869 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,870 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,870 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-21 00:04:09,870 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-21 00:04:09,870 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,870 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-21 00:04:09,870 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-21 00:04:09,870 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,870 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,871 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,871 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,871 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,871 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 00:04:09,871 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-21 00:04:09,871 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,871 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-21 00:04:09,872 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,873 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,873 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,873 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,873 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,873 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,873 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,873 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-21 00:04:09,873 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,874 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,874 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,874 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,874 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-21 00:04:09,874 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,874 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,874 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-21 00:04:09,874 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-21 00:04:09,875 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,876 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-21 00:04:09,876 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,876 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:04:09,876 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,876 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-21 00:04:09,876 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-21 00:04:09,879 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:09,881 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 00:04:09,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:04:09 BoogieIcfgContainer [2022-07-21 00:04:09,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 00:04:09,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 00:04:09,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 00:04:09,969 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 00:04:09,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:02:49" (3/4) ... [2022-07-21 00:04:09,972 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 00:04:10,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-21 00:04:10,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 00:04:10,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 00:04:10,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 00:04:10,153 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 00:04:10,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 00:04:10,154 INFO L158 Benchmark]: Toolchain (without parser) took 84951.72ms. Allocated memory was 52.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 24.1MB in the beginning and 1.0GB in the end (delta: -995.6MB). Peak memory consumption was 247.3MB. Max. memory is 16.1GB. [2022-07-21 00:04:10,155 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 00:04:10,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1102.69ms. Allocated memory was 52.4MB in the beginning and 81.8MB in the end (delta: 29.4MB). Free memory was 23.9MB in the beginning and 41.3MB in the end (delta: -17.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-07-21 00:04:10,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.53ms. Allocated memory is still 81.8MB. Free memory was 41.3MB in the beginning and 29.2MB in the end (delta: 12.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-21 00:04:10,156 INFO L158 Benchmark]: Boogie Preprocessor took 301.48ms. Allocated memory was 81.8MB in the beginning and 153.1MB in the end (delta: 71.3MB). Free memory was 29.2MB in the beginning and 93.0MB in the end (delta: -63.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-07-21 00:04:10,156 INFO L158 Benchmark]: RCFGBuilder took 2480.20ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 93.0MB in the beginning and 142.0MB in the end (delta: -49.0MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2022-07-21 00:04:10,158 INFO L158 Benchmark]: TraceAbstraction took 80617.85ms. Allocated memory was 260.0MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 140.9MB in the beginning and 1.0GB in the end (delta: -903.3MB). Peak memory consumption was 867.6MB. Max. memory is 16.1GB. [2022-07-21 00:04:10,158 INFO L158 Benchmark]: Witness Printer took 184.74ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-21 00:04:10,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1102.69ms. Allocated memory was 52.4MB in the beginning and 81.8MB in the end (delta: 29.4MB). Free memory was 23.9MB in the beginning and 41.3MB in the end (delta: -17.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.53ms. Allocated memory is still 81.8MB. Free memory was 41.3MB in the beginning and 29.2MB in the end (delta: 12.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 301.48ms. Allocated memory was 81.8MB in the beginning and 153.1MB in the end (delta: 71.3MB). Free memory was 29.2MB in the beginning and 93.0MB in the end (delta: -63.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2480.20ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 93.0MB in the beginning and 142.0MB in the end (delta: -49.0MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. * TraceAbstraction took 80617.85ms. Allocated memory was 260.0MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 140.9MB in the beginning and 1.0GB in the end (delta: -903.3MB). Peak memory consumption was 867.6MB. Max. memory is 16.1GB. * Witness Printer took 184.74ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 203]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 80.5s, OverallIterations: 24, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 48.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15626 SdHoareTripleChecker+Valid, 43.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15626 mSDsluCounter, 8853 SdHoareTripleChecker+Invalid, 36.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1251 mSDsCounter, 6142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39507 IncrementalHoareTripleChecker+Invalid, 45649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6142 mSolverCounterUnsat, 7602 mSDtfsCounter, 39507 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6726 GetRequests, 6614 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27020occurred in iteration=18, InterpolantAutomatonStates: 136, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 24 MinimizatonAttempts, 32697 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 244 NumberOfFragments, 2494 HoareAnnotationTreeSize, 4 FomulaSimplifications, 15890 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 73076 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 20572 NumberOfCodeBlocks, 20572 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 21827 ConstructedInterpolants, 0 QuantifiedInterpolants, 72753 SizeOfPredicates, 6 NumberOfNonLiveVariables, 6436 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 34 InterpolantComputations, 22 PerfectInterpolantSequences, 29702/31641 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((42 + a4 <= 0 && !(a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 <= a2) && 0 <= a29 + 192415)) || ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && 0 <= a29 + 192415)) || (((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && 3 == a2)) || ((((89 + a4 <= 0 && a2 == 4) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || (98 + a0 <= 0 && (((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && 0 < a29 + 16)))) || ((89 + a4 <= 0 && 5 <= a2) && !(a29 <= 43))) || ((((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 < 168808 + a29 / 5) && 0 <= 141 + a0) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a0 + 61 <= 0)) || (((2 <= a2 && 89 + a4 <= 0) && !(a29 + 16 <= 0)) && a29 <= 43)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 <= a29 + 192415)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5))) || ((((((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && !(a0 + 147 <= 0)) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && 98 + a0 <= 0) && 0 < a29 + 16) && a2 <= 2)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && 134655 < a29) && 3 == a2) && a0 + 61 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || ((((0 < a0 + 147 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((((!(3 == a2) && 2 <= a2) && 89 + a4 <= 0) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && 0 <= 141 + a0) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((((2 <= a2 && 89 + a4 <= 0) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a2 <= 2)) || ((((89 + a4 <= 0 && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a29 + 127 <= 0)) || ((((104 + a0 <= 0 && !(3 == a2)) && 42 + a4 <= 0) && 2 <= a2) && !(a29 <= 43))) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((!(3 == a2) && 2 <= a2) && 89 + a4 <= 0) && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && !(a29 + 16 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || (((43 < a29 && 2 <= a2) && 98 + a0 <= 0) && a2 <= 2)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) && a0 + 61 <= 0) && 0 <= a29 + 192415) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((42 + a4 <= 0 && !(a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 <= a2) && 0 <= a29 + 192415)) || ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && 0 <= a29 + 192415)) || (((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a0 + 61 <= 0)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && !(a0 + 147 <= 0)) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 134655 < a29) && 3 == a2)) || ((((89 + a4 <= 0 && a2 == 4) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || ((89 + a4 <= 0 && 5 <= a2) && !(a29 <= 43))) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && !(a0 + 147 <= 0)) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5))) || ((((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 < 168808 + a29 / 5) && 0 <= 141 + a0) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a0 + 61 <= 0)) || (((2 <= a2 && 89 + a4 <= 0) && !(a29 + 16 <= 0)) && a29 <= 43)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 <= a29 + 192415)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5))) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && 98 + a0 <= 0) && 0 < a29 + 16) && a2 <= 2)) || ((((0 < a0 + 147 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((((!(3 == a2) && 2 <= a2) && 89 + a4 <= 0) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || ((((2 <= a2 && 89 + a4 <= 0) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a2 <= 2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((((89 + a4 <= 0 && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && !(a29 + 16 <= 0)) && 3 == a2)) || ((((104 + a0 <= 0 && !(3 == a2)) && 42 + a4 <= 0) && 2 <= a2) && !(a29 <= 43))) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && !(a29 + 16 <= 0)) && 5 <= a2)) && 98 + a0 <= 0)) || ((((!(3 == a2) && 2 <= a2) && 89 + a4 <= 0) && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && !(a29 + 16 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || (((43 < a29 && 2 <= a2) && 98 + a0 <= 0) && a2 <= 2)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) && a0 + 61 <= 0) && 0 <= a29 + 192415) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((42 + a4 <= 0 && !(a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 <= a2) && 0 <= a29 + 192415)) || ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && 0 <= a29 + 192415)) || (((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a0 + 61 <= 0)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && !(a0 + 147 <= 0)) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 134655 < a29) && 3 == a2)) || ((((89 + a4 <= 0 && a2 == 4) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || ((89 + a4 <= 0 && 5 <= a2) && !(a29 <= 43))) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && !(a0 + 147 <= 0)) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5))) || ((((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 < 168808 + a29 / 5) && 0 <= 141 + a0) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a0 + 61 <= 0)) || (((2 <= a2 && 89 + a4 <= 0) && !(a29 + 16 <= 0)) && a29 <= 43)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 <= a29 + 192415)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5))) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && 98 + a0 <= 0) && 0 < a29 + 16) && a2 <= 2)) || ((((0 < a0 + 147 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((((!(3 == a2) && 2 <= a2) && 89 + a4 <= 0) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || ((((2 <= a2 && 89 + a4 <= 0) && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && a2 <= 2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((((89 + a4 <= 0 && 0 < 168808 + a29 / 5) && (!(a29 % 5 == 0) || 0 < 168807 + a29 / 5)) && 3 == a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && !(a29 + 16 <= 0)) && 3 == a2)) || ((((104 + a0 <= 0 && !(3 == a2)) && 42 + a4 <= 0) && 2 <= a2) && !(a29 <= 43))) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 5 <= a2) && 195721 < a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && !(a29 + 16 <= 0)) && 5 <= a2)) && 98 + a0 <= 0)) || ((((!(3 == a2) && 2 <= a2) && 89 + a4 <= 0) && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && !(a29 + 16 <= 0)) && a2 == 4) && a0 + 61 <= 0)) || (((43 < a29 && 2 <= a2) && 98 + a0 <= 0) && a2 <= 2)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) && a0 + 61 <= 0) && 0 <= a29 + 192415) RESULT: Ultimate proved your program to be correct! [2022-07-21 00:04:10,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE