./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label26.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 18aad4ca7dabbbf78ef10474b35f6cac486a6e59d41545af1bcfdc261bf8f717 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 11:23:30,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 11:23:30,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 11:23:30,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 11:23:30,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 11:23:30,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 11:23:30,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 11:23:30,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 11:23:30,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 11:23:30,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 11:23:30,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 11:23:30,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 11:23:30,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 11:23:30,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 11:23:30,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 11:23:30,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 11:23:30,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 11:23:30,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 11:23:30,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 11:23:30,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 11:23:30,871 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 11:23:30,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 11:23:30,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 11:23:30,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 11:23:30,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 11:23:30,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 11:23:30,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 11:23:30,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 11:23:30,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 11:23:30,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 11:23:30,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 11:23:30,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 11:23:30,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 11:23:30,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 11:23:30,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 11:23:30,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 11:23:30,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 11:23:30,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 11:23:30,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 11:23:30,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 11:23:30,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 11:23:30,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 11:23:30,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 11:23:30,919 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 11:23:30,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 11:23:30,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 11:23:30,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 11:23:30,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 11:23:30,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 11:23:30,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 11:23:30,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 11:23:30,922 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 11:23:30,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 11:23:30,923 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 11:23:30,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 11:23:30,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 11:23:30,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 11:23:30,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 11:23:30,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 11:23:30,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 11:23:30,924 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 11:23:30,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 11:23:30,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 11:23:30,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 11:23:30,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 11:23:30,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 11:23:30,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 11:23:30,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:23:30,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 11:23:30,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 11:23:30,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 11:23:30,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 11:23:30,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 11:23:30,927 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 11:23:30,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 11:23:30,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 11:23:30,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18aad4ca7dabbbf78ef10474b35f6cac486a6e59d41545af1bcfdc261bf8f717 [2022-07-22 11:23:31,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 11:23:31,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 11:23:31,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 11:23:31,164 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 11:23:31,167 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 11:23:31,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2022-07-22 11:23:31,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c04eea0e/884dac2068734b2bb229d2f3e7d2f7e2/FLAG51facd986 [2022-07-22 11:23:31,571 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 11:23:31,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2022-07-22 11:23:31,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c04eea0e/884dac2068734b2bb229d2f3e7d2f7e2/FLAG51facd986 [2022-07-22 11:23:31,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c04eea0e/884dac2068734b2bb229d2f3e7d2f7e2 [2022-07-22 11:23:31,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 11:23:31,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 11:23:31,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 11:23:31,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 11:23:31,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 11:23:31,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:23:31" (1/1) ... [2022-07-22 11:23:31,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3440046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:31, skipping insertion in model container [2022-07-22 11:23:31,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:23:31" (1/1) ... [2022-07-22 11:23:31,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 11:23:32,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 11:23:32,365 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/Problem02_label26.c[20881,20894] [2022-07-22 11:23:32,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:23:32,380 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 11:23:32,432 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/Problem02_label26.c[20881,20894] [2022-07-22 11:23:32,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:23:32,444 INFO L208 MainTranslator]: Completed translation [2022-07-22 11:23:32,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32 WrapperNode [2022-07-22 11:23:32,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 11:23:32,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 11:23:32,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 11:23:32,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 11:23:32,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,511 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-07-22 11:23:32,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 11:23:32,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 11:23:32,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 11:23:32,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 11:23:32,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 11:23:32,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 11:23:32,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 11:23:32,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 11:23:32,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (1/1) ... [2022-07-22 11:23:32,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:23:32,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:23:32,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 11:23:32,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 11:23:32,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 11:23:32,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 11:23:32,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 11:23:32,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 11:23:32,668 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 11:23:32,669 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 11:23:33,322 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 11:23:33,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 11:23:33,333 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 11:23:33,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:23:33 BoogieIcfgContainer [2022-07-22 11:23:33,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 11:23:33,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 11:23:33,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 11:23:33,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 11:23:33,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:23:31" (1/3) ... [2022-07-22 11:23:33,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e844f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:23:33, skipping insertion in model container [2022-07-22 11:23:33,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:23:32" (2/3) ... [2022-07-22 11:23:33,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e844f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:23:33, skipping insertion in model container [2022-07-22 11:23:33,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:23:33" (3/3) ... [2022-07-22 11:23:33,342 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2022-07-22 11:23:33,356 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 11:23:33,356 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 11:23:33,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 11:23:33,417 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@63c38761, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@e428c8f [2022-07-22 11:23:33,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 11:23:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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) [2022-07-22 11:23:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-22 11:23:33,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:33,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:23:33,433 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:33,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:33,438 INFO L85 PathProgramCache]: Analyzing trace with hash 768814821, now seen corresponding path program 1 times [2022-07-22 11:23:33,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:33,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390394277] [2022-07-22 11:23:33,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:33,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:23:33,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:33,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390394277] [2022-07-22 11:23:33,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390394277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:33,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:33,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:23:33,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226902079] [2022-07-22 11:23:33,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:33,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:33,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:33,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:33,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:33,836 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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) [2022-07-22 11:23:34,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:34,344 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2022-07-22 11:23:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:34,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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 136 [2022-07-22 11:23:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:34,354 INFO L225 Difference]: With dead ends: 596 [2022-07-22 11:23:34,354 INFO L226 Difference]: Without dead ends: 305 [2022-07-22 11:23:34,357 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 [2022-07-22 11:23:34,359 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 108 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:34,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 89 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:23:34,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-07-22 11:23:34,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2022-07-22 11:23:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.5263157894736843) internal successors, (464), 304 states have internal predecessors, (464), 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) [2022-07-22 11:23:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2022-07-22 11:23:34,392 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 136 [2022-07-22 11:23:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:34,393 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2022-07-22 11:23:34,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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) [2022-07-22 11:23:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2022-07-22 11:23:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-22 11:23:34,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:34,396 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 11:23:34,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 11:23:34,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:34,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:34,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1739122209, now seen corresponding path program 1 times [2022-07-22 11:23:34,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:34,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805227291] [2022-07-22 11:23:34,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:34,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:23:34,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:34,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805227291] [2022-07-22 11:23:34,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805227291] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:34,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:34,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:23:34,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973428314] [2022-07-22 11:23:34,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:34,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:34,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:34,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:34,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:34,447 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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) [2022-07-22 11:23:34,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:34,768 INFO L93 Difference]: Finished difference Result 902 states and 1375 transitions. [2022-07-22 11:23:34,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:34,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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 147 [2022-07-22 11:23:34,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:34,771 INFO L225 Difference]: With dead ends: 902 [2022-07-22 11:23:34,771 INFO L226 Difference]: Without dead ends: 599 [2022-07-22 11:23:34,772 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 [2022-07-22 11:23:34,773 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 193 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:34,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 71 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:34,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-07-22 11:23:34,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2022-07-22 11:23:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.477310924369748) internal successors, (879), 595 states have internal predecessors, (879), 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) [2022-07-22 11:23:34,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 879 transitions. [2022-07-22 11:23:34,816 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 879 transitions. Word has length 147 [2022-07-22 11:23:34,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:34,817 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 879 transitions. [2022-07-22 11:23:34,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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) [2022-07-22 11:23:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 879 transitions. [2022-07-22 11:23:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-22 11:23:34,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:34,820 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:23:34,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 11:23:34,821 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:34,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:34,822 INFO L85 PathProgramCache]: Analyzing trace with hash 959969494, now seen corresponding path program 1 times [2022-07-22 11:23:34,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:34,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552611376] [2022-07-22 11:23:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 11:23:34,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:34,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552611376] [2022-07-22 11:23:34,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552611376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:34,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:34,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:23:34,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420253834] [2022-07-22 11:23:34,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:34,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:34,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:34,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:34,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:34,867 INFO L87 Difference]: Start difference. First operand 596 states and 879 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) [2022-07-22 11:23:35,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:35,209 INFO L93 Difference]: Finished difference Result 1615 states and 2396 transitions. [2022-07-22 11:23:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:35,209 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 151 [2022-07-22 11:23:35,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:35,213 INFO L225 Difference]: With dead ends: 1615 [2022-07-22 11:23:35,213 INFO L226 Difference]: Without dead ends: 1021 [2022-07-22 11:23:35,214 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 [2022-07-22 11:23:35,215 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 143 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:35,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 121 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:35,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2022-07-22 11:23:35,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 879. [2022-07-22 11:23:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 878 states have (on average 1.3519362186788155) internal successors, (1187), 878 states have internal predecessors, (1187), 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) [2022-07-22 11:23:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1187 transitions. [2022-07-22 11:23:35,244 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1187 transitions. Word has length 151 [2022-07-22 11:23:35,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:35,244 INFO L495 AbstractCegarLoop]: Abstraction has 879 states and 1187 transitions. [2022-07-22 11:23:35,244 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) [2022-07-22 11:23:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1187 transitions. [2022-07-22 11:23:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-22 11:23:35,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:35,248 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2022-07-22 11:23:35,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 11:23:35,249 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:35,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:35,249 INFO L85 PathProgramCache]: Analyzing trace with hash 854908267, now seen corresponding path program 1 times [2022-07-22 11:23:35,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:35,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513780704] [2022-07-22 11:23:35,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:35,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 11:23:35,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:35,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513780704] [2022-07-22 11:23:35,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513780704] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:35,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:35,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:23:35,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727186789] [2022-07-22 11:23:35,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:35,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:35,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:35,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:35,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:35,294 INFO L87 Difference]: Start difference. First operand 879 states and 1187 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2022-07-22 11:23:35,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:35,609 INFO L93 Difference]: Finished difference Result 2180 states and 3009 transitions. [2022-07-22 11:23:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:35,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 156 [2022-07-22 11:23:35,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:35,613 INFO L225 Difference]: With dead ends: 2180 [2022-07-22 11:23:35,613 INFO L226 Difference]: Without dead ends: 1303 [2022-07-22 11:23:35,614 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 [2022-07-22 11:23:35,615 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 145 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:35,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 251 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:35,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2022-07-22 11:23:35,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1302. [2022-07-22 11:23:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1302 states, 1301 states have (on average 1.2728670253651038) internal successors, (1656), 1301 states have internal predecessors, (1656), 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) [2022-07-22 11:23:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1656 transitions. [2022-07-22 11:23:35,634 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1656 transitions. Word has length 156 [2022-07-22 11:23:35,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:35,635 INFO L495 AbstractCegarLoop]: Abstraction has 1302 states and 1656 transitions. [2022-07-22 11:23:35,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2022-07-22 11:23:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1656 transitions. [2022-07-22 11:23:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-22 11:23:35,637 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:35,638 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:23:35,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 11:23:35,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:35,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:35,639 INFO L85 PathProgramCache]: Analyzing trace with hash 446735141, now seen corresponding path program 1 times [2022-07-22 11:23:35,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:35,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624263832] [2022-07-22 11:23:35,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 11:23:35,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:35,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624263832] [2022-07-22 11:23:35,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624263832] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:35,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:35,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:23:35,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025298536] [2022-07-22 11:23:35,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:35,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:35,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:35,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:35,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:35,672 INFO L87 Difference]: Start difference. First operand 1302 states and 1656 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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) [2022-07-22 11:23:35,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:35,993 INFO L93 Difference]: Finished difference Result 3583 states and 4604 transitions. [2022-07-22 11:23:35,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:35,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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 157 [2022-07-22 11:23:35,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:35,999 INFO L225 Difference]: With dead ends: 3583 [2022-07-22 11:23:35,999 INFO L226 Difference]: Without dead ends: 2283 [2022-07-22 11:23:36,000 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 [2022-07-22 11:23:36,001 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 190 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:36,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 75 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:36,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2022-07-22 11:23:36,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 2283. [2022-07-22 11:23:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2283 states, 2282 states have (on average 1.2375109553023664) internal successors, (2824), 2282 states have internal predecessors, (2824), 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) [2022-07-22 11:23:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 2824 transitions. [2022-07-22 11:23:36,028 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 2824 transitions. Word has length 157 [2022-07-22 11:23:36,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:36,028 INFO L495 AbstractCegarLoop]: Abstraction has 2283 states and 2824 transitions. [2022-07-22 11:23:36,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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) [2022-07-22 11:23:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2824 transitions. [2022-07-22 11:23:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-22 11:23:36,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:36,032 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:23:36,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 11:23:36,032 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:36,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:36,033 INFO L85 PathProgramCache]: Analyzing trace with hash -657449163, now seen corresponding path program 1 times [2022-07-22 11:23:36,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:36,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183137741] [2022-07-22 11:23:36,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:36,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 11:23:36,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:36,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183137741] [2022-07-22 11:23:36,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183137741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:36,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:36,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:23:36,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97147453] [2022-07-22 11:23:36,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:36,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:36,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:36,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:36,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:36,065 INFO L87 Difference]: Start difference. First operand 2283 states and 2824 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2022-07-22 11:23:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:36,393 INFO L93 Difference]: Finished difference Result 5405 states and 6639 transitions. [2022-07-22 11:23:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:36,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 160 [2022-07-22 11:23:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:36,400 INFO L225 Difference]: With dead ends: 5405 [2022-07-22 11:23:36,400 INFO L226 Difference]: Without dead ends: 3124 [2022-07-22 11:23:36,403 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 [2022-07-22 11:23:36,403 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 143 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:36,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 268 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:36,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2022-07-22 11:23:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 2843. [2022-07-22 11:23:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2843 states, 2842 states have (on average 1.1995073891625616) internal successors, (3409), 2842 states have internal predecessors, (3409), 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) [2022-07-22 11:23:36,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3409 transitions. [2022-07-22 11:23:36,440 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3409 transitions. Word has length 160 [2022-07-22 11:23:36,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:36,441 INFO L495 AbstractCegarLoop]: Abstraction has 2843 states and 3409 transitions. [2022-07-22 11:23:36,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2022-07-22 11:23:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3409 transitions. [2022-07-22 11:23:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-22 11:23:36,444 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:36,444 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 11:23:36,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 11:23:36,444 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:36,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:36,445 INFO L85 PathProgramCache]: Analyzing trace with hash 628642087, now seen corresponding path program 1 times [2022-07-22 11:23:36,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:36,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45183735] [2022-07-22 11:23:36,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:36,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:23:36,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:36,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45183735] [2022-07-22 11:23:36,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45183735] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:23:36,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209324199] [2022-07-22 11:23:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:36,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:23:36,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:23:36,548 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) [2022-07-22 11:23:36,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 11:23:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:36,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:23:36,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:23:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 11:23:36,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:23:36,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209324199] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:36,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:23:36,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-22 11:23:36,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525377250] [2022-07-22 11:23:36,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:36,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:36,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:36,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:36,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-22 11:23:36,784 INFO L87 Difference]: Start difference. First operand 2843 states and 3409 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-07-22 11:23:37,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:37,061 INFO L93 Difference]: Finished difference Result 5684 states and 6816 transitions. [2022-07-22 11:23:37,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:37,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 163 [2022-07-22 11:23:37,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:37,071 INFO L225 Difference]: With dead ends: 5684 [2022-07-22 11:23:37,071 INFO L226 Difference]: Without dead ends: 2843 [2022-07-22 11:23:37,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-22 11:23:37,081 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 28 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:37,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 247 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:23:37,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2022-07-22 11:23:37,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2563. [2022-07-22 11:23:37,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2562 states have (on average 1.1256830601092895) internal successors, (2884), 2562 states have internal predecessors, (2884), 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) [2022-07-22 11:23:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 2884 transitions. [2022-07-22 11:23:37,117 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 2884 transitions. Word has length 163 [2022-07-22 11:23:37,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:37,118 INFO L495 AbstractCegarLoop]: Abstraction has 2563 states and 2884 transitions. [2022-07-22 11:23:37,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-07-22 11:23:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 2884 transitions. [2022-07-22 11:23:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-22 11:23:37,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:37,123 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-22 11:23:37,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 11:23:37,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:23:37,340 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:37,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:37,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1447739646, now seen corresponding path program 1 times [2022-07-22 11:23:37,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:37,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14100912] [2022-07-22 11:23:37,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:37,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 11:23:37,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:37,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14100912] [2022-07-22 11:23:37,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14100912] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:37,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:37,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:23:37,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759262317] [2022-07-22 11:23:37,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:37,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:37,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:37,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:37,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:37,417 INFO L87 Difference]: Start difference. First operand 2563 states and 2884 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-07-22 11:23:37,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:37,775 INFO L93 Difference]: Finished difference Result 5696 states and 6480 transitions. [2022-07-22 11:23:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:37,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 208 [2022-07-22 11:23:37,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:37,781 INFO L225 Difference]: With dead ends: 5696 [2022-07-22 11:23:37,782 INFO L226 Difference]: Without dead ends: 3135 [2022-07-22 11:23:37,784 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 [2022-07-22 11:23:37,784 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 124 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:37,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 273 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:37,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-07-22 11:23:37,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 3127. [2022-07-22 11:23:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3127 states, 3126 states have (on average 1.1269993602047346) internal successors, (3523), 3126 states have internal predecessors, (3523), 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) [2022-07-22 11:23:37,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 3523 transitions. [2022-07-22 11:23:37,848 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 3523 transitions. Word has length 208 [2022-07-22 11:23:37,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:37,848 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 3523 transitions. [2022-07-22 11:23:37,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-07-22 11:23:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 3523 transitions. [2022-07-22 11:23:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-22 11:23:37,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:37,854 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:23:37,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 11:23:37,854 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:37,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:37,855 INFO L85 PathProgramCache]: Analyzing trace with hash 901541662, now seen corresponding path program 1 times [2022-07-22 11:23:37,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:37,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953603389] [2022-07-22 11:23:37,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:37,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 11:23:37,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:37,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953603389] [2022-07-22 11:23:37,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953603389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:37,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:37,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:23:37,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782034629] [2022-07-22 11:23:37,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:37,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:37,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:37,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:37,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:37,935 INFO L87 Difference]: Start difference. First operand 3127 states and 3523 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2022-07-22 11:23:38,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:38,309 INFO L93 Difference]: Finished difference Result 6951 states and 7803 transitions. [2022-07-22 11:23:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:38,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 229 [2022-07-22 11:23:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:38,317 INFO L225 Difference]: With dead ends: 6951 [2022-07-22 11:23:38,317 INFO L226 Difference]: Without dead ends: 2983 [2022-07-22 11:23:38,321 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 [2022-07-22 11:23:38,323 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 82 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:38,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 272 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:38,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2022-07-22 11:23:38,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2703. [2022-07-22 11:23:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2703 states, 2702 states have (on average 1.0947446336047373) internal successors, (2958), 2702 states have internal predecessors, (2958), 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) [2022-07-22 11:23:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2703 states and 2958 transitions. [2022-07-22 11:23:38,357 INFO L78 Accepts]: Start accepts. Automaton has 2703 states and 2958 transitions. Word has length 229 [2022-07-22 11:23:38,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:38,357 INFO L495 AbstractCegarLoop]: Abstraction has 2703 states and 2958 transitions. [2022-07-22 11:23:38,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2022-07-22 11:23:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2703 states and 2958 transitions. [2022-07-22 11:23:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-22 11:23:38,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:38,364 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:23:38,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 11:23:38,364 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:38,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:38,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1402842937, now seen corresponding path program 1 times [2022-07-22 11:23:38,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:38,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155665931] [2022-07-22 11:23:38,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:38,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-22 11:23:38,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:38,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155665931] [2022-07-22 11:23:38,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155665931] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:38,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:38,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:23:38,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420704440] [2022-07-22 11:23:38,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:38,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:38,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:38,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:38,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:38,411 INFO L87 Difference]: Start difference. First operand 2703 states and 2958 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2022-07-22 11:23:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:38,740 INFO L93 Difference]: Finished difference Result 5120 states and 5621 transitions. [2022-07-22 11:23:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:38,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 231 [2022-07-22 11:23:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:38,746 INFO L225 Difference]: With dead ends: 5120 [2022-07-22 11:23:38,746 INFO L226 Difference]: Without dead ends: 2419 [2022-07-22 11:23:38,749 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 [2022-07-22 11:23:38,750 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 157 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:38,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 40 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:38,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2022-07-22 11:23:38,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 2418. [2022-07-22 11:23:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2418 states, 2417 states have (on average 1.0889532478278858) internal successors, (2632), 2417 states have internal predecessors, (2632), 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) [2022-07-22 11:23:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 2632 transitions. [2022-07-22 11:23:38,802 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 2632 transitions. Word has length 231 [2022-07-22 11:23:38,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:38,802 INFO L495 AbstractCegarLoop]: Abstraction has 2418 states and 2632 transitions. [2022-07-22 11:23:38,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2022-07-22 11:23:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 2632 transitions. [2022-07-22 11:23:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-22 11:23:38,807 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:38,807 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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, 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] [2022-07-22 11:23:38,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 11:23:38,808 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:38,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:38,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1713574728, now seen corresponding path program 1 times [2022-07-22 11:23:38,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:38,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826374639] [2022-07-22 11:23:38,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:38,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-22 11:23:38,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:38,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826374639] [2022-07-22 11:23:38,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826374639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:38,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:38,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:23:38,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279389788] [2022-07-22 11:23:38,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:38,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:38,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:38,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:38,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:38,868 INFO L87 Difference]: Start difference. First operand 2418 states and 2632 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 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) [2022-07-22 11:23:39,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:39,049 INFO L93 Difference]: Finished difference Result 4543 states and 4961 transitions. [2022-07-22 11:23:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:39,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 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 233 [2022-07-22 11:23:39,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:39,054 INFO L225 Difference]: With dead ends: 4543 [2022-07-22 11:23:39,055 INFO L226 Difference]: Without dead ends: 1985 [2022-07-22 11:23:39,057 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 [2022-07-22 11:23:39,059 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 172 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:39,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 19 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:23:39,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2022-07-22 11:23:39,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1985. [2022-07-22 11:23:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1984 states have (on average 1.0892137096774193) internal successors, (2161), 1984 states have internal predecessors, (2161), 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) [2022-07-22 11:23:39,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2161 transitions. [2022-07-22 11:23:39,084 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2161 transitions. Word has length 233 [2022-07-22 11:23:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:39,084 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2161 transitions. [2022-07-22 11:23:39,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 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) [2022-07-22 11:23:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2161 transitions. [2022-07-22 11:23:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-22 11:23:39,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:39,089 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, 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] [2022-07-22 11:23:39,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 11:23:39,089 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:39,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:39,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1899225155, now seen corresponding path program 1 times [2022-07-22 11:23:39,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:39,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504566134] [2022-07-22 11:23:39,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:39,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-22 11:23:39,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:39,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504566134] [2022-07-22 11:23:39,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504566134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:39,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:39,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:23:39,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165792201] [2022-07-22 11:23:39,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:39,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:39,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:39,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:39,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:39,149 INFO L87 Difference]: Start difference. First operand 1985 states and 2161 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2022-07-22 11:23:39,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:39,467 INFO L93 Difference]: Finished difference Result 4670 states and 5120 transitions. [2022-07-22 11:23:39,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:39,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 264 [2022-07-22 11:23:39,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:39,474 INFO L225 Difference]: With dead ends: 4670 [2022-07-22 11:23:39,474 INFO L226 Difference]: Without dead ends: 2827 [2022-07-22 11:23:39,476 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 [2022-07-22 11:23:39,477 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 132 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:39,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 180 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:23:39,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2022-07-22 11:23:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2825. [2022-07-22 11:23:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2825 states, 2824 states have (on average 1.0825070821529745) internal successors, (3057), 2824 states have internal predecessors, (3057), 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) [2022-07-22 11:23:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3057 transitions. [2022-07-22 11:23:39,510 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3057 transitions. Word has length 264 [2022-07-22 11:23:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:39,510 INFO L495 AbstractCegarLoop]: Abstraction has 2825 states and 3057 transitions. [2022-07-22 11:23:39,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2022-07-22 11:23:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3057 transitions. [2022-07-22 11:23:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-22 11:23:39,515 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:23:39,515 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:23:39,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 11:23:39,516 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:23:39,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:23:39,516 INFO L85 PathProgramCache]: Analyzing trace with hash -441314992, now seen corresponding path program 1 times [2022-07-22 11:23:39,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:23:39,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104907508] [2022-07-22 11:23:39,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:23:39,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:23:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:23:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-07-22 11:23:39,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:23:39,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104907508] [2022-07-22 11:23:39,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104907508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:23:39,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:23:39,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:23:39,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305201616] [2022-07-22 11:23:39,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:23:39,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:23:39,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:23:39,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:23:39,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:23:39,562 INFO L87 Difference]: Start difference. First operand 2825 states and 3057 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-07-22 11:23:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:23:39,829 INFO L93 Difference]: Finished difference Result 3387 states and 3664 transitions. [2022-07-22 11:23:39,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:23:39,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 278 [2022-07-22 11:23:39,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:23:39,830 INFO L225 Difference]: With dead ends: 3387 [2022-07-22 11:23:39,830 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 11:23:39,832 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 [2022-07-22 11:23:39,833 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 102 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:23:39,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 219 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:23:39,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 11:23:39,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 11:23:39,834 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) [2022-07-22 11:23:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 11:23:39,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 278 [2022-07-22 11:23:39,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:23:39,834 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 11:23:39,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-07-22 11:23:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 11:23:39,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 11:23:39,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 11:23:39,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 11:23:39,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 11:23:40,423 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,423 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,423 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,424 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,425 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-07-22 11:23:40,425 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-07-22 11:23:40,425 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-07-22 11:23:40,425 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-07-22 11:23:40,425 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-07-22 11:23:40,425 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-07-22 11:23:40,425 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,426 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-07-22 11:23:40,427 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,428 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,428 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,428 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-07-22 11:23:40,428 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-07-22 11:23:40,428 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,429 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,430 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,431 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,432 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-07-22 11:23:40,433 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-07-22 11:23:40,434 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-07-22 11:23:40,435 INFO L895 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= 11 ~a28~0)) (.cse6 (= ~a25~0 ~a11~0)) (.cse8 (<= ~a28~0 7)) (.cse11 (= ~a11~0 1)) (.cse5 (<= ~a17~0 7)) (.cse9 (<= ~a19~0 0)) (.cse12 (<= 9 ~a28~0)) (.cse10 (<= ~a28~0 10)) (.cse1 (= ~a25~0 1)) (.cse7 (<= 8 ~a17~0)) (.cse2 (= ~a11~0 0)) (.cse3 (<= ~a17~0 8)) (.cse4 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (not .cse1) .cse4) (and .cse6 .cse7 .cse2 .cse3 .cse4 .cse8) (and .cse1 .cse5 .cse9) (and .cse2 .cse3 .cse10 .cse9) (and .cse11 .cse3 .cse10 .cse9) (and .cse6 .cse1 .cse3 .cse4 .cse8) (and .cse12 .cse11 .cse3 .cse10 .cse4) (and (<= 10 ~a28~0) .cse5 .cse9) (and .cse12 .cse7 .cse2 .cse3 .cse10 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2022-07-22 11:23:40,435 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,435 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,435 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-07-22 11:23:40,435 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-07-22 11:23:40,435 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-07-22 11:23:40,435 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-07-22 11:23:40,435 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L902 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-07-22 11:23:40,436 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 11:23:40,437 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-07-22 11:23:40,438 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-07-22 11:23:40,438 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= 11 ~a28~0)) (.cse6 (= ~a25~0 ~a11~0)) (.cse8 (<= ~a28~0 7)) (.cse11 (= ~a11~0 1)) (.cse5 (<= ~a17~0 7)) (.cse9 (<= ~a19~0 0)) (.cse12 (<= 9 ~a28~0)) (.cse10 (<= ~a28~0 10)) (.cse1 (= ~a25~0 1)) (.cse7 (<= 8 ~a17~0)) (.cse2 (= ~a11~0 0)) (.cse3 (<= ~a17~0 8)) (.cse4 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (not .cse1) .cse4) (and .cse6 .cse7 .cse2 .cse3 .cse4 .cse8) (and .cse1 .cse5 .cse9) (and .cse2 .cse3 .cse10 .cse9) (and .cse11 .cse3 .cse10 .cse9) (and .cse6 .cse1 .cse3 .cse4 .cse8) (and .cse12 .cse11 .cse3 .cse10 .cse4) (and (<= 10 ~a28~0) .cse5 .cse9) (and .cse12 .cse7 .cse2 .cse3 .cse10 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2022-07-22 11:23:40,438 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,438 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,438 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-07-22 11:23:40,438 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-07-22 11:23:40,438 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-07-22 11:23:40,438 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-07-22 11:23:40,438 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-07-22 11:23:40,439 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-07-22 11:23:40,440 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,441 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,442 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-07-22 11:23:40,442 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-07-22 11:23:40,442 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-07-22 11:23:40,442 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-07-22 11:23:40,442 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-07-22 11:23:40,442 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-07-22 11:23:40,442 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-07-22 11:23:40,445 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:23:40,447 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 11:23:40,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 11:23:40 BoogieIcfgContainer [2022-07-22 11:23:40,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 11:23:40,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 11:23:40,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 11:23:40,472 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 11:23:40,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:23:33" (3/4) ... [2022-07-22 11:23:40,474 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 11:23:40,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 11:23:40,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 11:23:40,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 11:23:40,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 11:23:40,542 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 11:23:40,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 11:23:40,542 INFO L158 Benchmark]: Toolchain (without parser) took 8571.97ms. Allocated memory was 197.1MB in the beginning and 325.1MB in the end (delta: 127.9MB). Free memory was 155.9MB in the beginning and 176.5MB in the end (delta: -20.6MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. [2022-07-22 11:23:40,543 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 197.1MB. Free memory was 165.6MB in the beginning and 165.6MB in the end (delta: 22.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 11:23:40,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.55ms. Allocated memory is still 197.1MB. Free memory was 155.7MB in the beginning and 151.3MB in the end (delta: 4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 11:23:40,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.90ms. Allocated memory is still 197.1MB. Free memory was 151.3MB in the beginning and 145.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 11:23:40,543 INFO L158 Benchmark]: Boogie Preprocessor took 32.23ms. Allocated memory is still 197.1MB. Free memory was 145.9MB in the beginning and 141.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 11:23:40,543 INFO L158 Benchmark]: RCFGBuilder took 790.09ms. Allocated memory is still 197.1MB. Free memory was 141.7MB in the beginning and 90.2MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-07-22 11:23:40,544 INFO L158 Benchmark]: TraceAbstraction took 7134.52ms. Allocated memory was 197.1MB in the beginning and 325.1MB in the end (delta: 127.9MB). Free memory was 89.7MB in the beginning and 187.0MB in the end (delta: -97.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-07-22 11:23:40,544 INFO L158 Benchmark]: Witness Printer took 70.40ms. Allocated memory is still 325.1MB. Free memory was 187.0MB in the beginning and 176.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 11:23:40,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 197.1MB. Free memory was 165.6MB in the beginning and 165.6MB in the end (delta: 22.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.55ms. Allocated memory is still 197.1MB. Free memory was 155.7MB in the beginning and 151.3MB in the end (delta: 4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.90ms. Allocated memory is still 197.1MB. Free memory was 151.3MB in the beginning and 145.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.23ms. Allocated memory is still 197.1MB. Free memory was 145.9MB in the beginning and 141.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 790.09ms. Allocated memory is still 197.1MB. Free memory was 141.7MB in the beginning and 90.2MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7134.52ms. Allocated memory was 197.1MB in the beginning and 325.1MB in the end (delta: 127.9MB). Free memory was 89.7MB in the beginning and 187.0MB in the end (delta: -97.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 70.40ms. Allocated memory is still 325.1MB. Free memory was 187.0MB in the beginning and 176.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 590]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1719 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1719 mSDsluCounter, 2125 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 187 mSDsCounter, 835 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4532 IncrementalHoareTripleChecker+Invalid, 5367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 835 mSolverCounterUnsat, 1938 mSDtfsCounter, 4532 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3127occurred in iteration=8, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 998 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 327 HoareAnnotationTreeSize, 3 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 702 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2676 NumberOfCodeBlocks, 2676 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2662 ConstructedInterpolants, 0 QuantifiedInterpolants, 5944 SizeOfPredicates, 0 NumberOfNonLiveVariables, 299 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 1177/1193 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: 616]: Loop Invariant Derived loop invariant: (((((((((((((11 <= a28 && a25 == 1) && a11 == 0) && a17 <= 8) && a19 == 1) || (((11 <= a28 && a17 <= 7) && !(a25 == 1)) && a19 == 1)) || (((((a25 == a11 && 8 <= a17) && a11 == 0) && a17 <= 8) && a19 == 1) && a28 <= 7)) || ((a25 == 1 && a17 <= 7) && a19 <= 0)) || (((a11 == 0 && a17 <= 8) && a28 <= 10) && a19 <= 0)) || (((a11 == 1 && a17 <= 8) && a28 <= 10) && a19 <= 0)) || ((((a25 == a11 && a25 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7)) || ((((9 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((10 <= a28 && a17 <= 7) && a19 <= 0)) || (((((9 <= a28 && 8 <= a17) && a11 == 0) && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((((a25 == 1 && 8 <= a17) && a11 == 0) && a17 <= 8) && a19 == 1) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((11 <= a28 && a25 == 1) && a11 == 0) && a17 <= 8) && a19 == 1) || (((11 <= a28 && a17 <= 7) && !(a25 == 1)) && a19 == 1)) || (((((a25 == a11 && 8 <= a17) && a11 == 0) && a17 <= 8) && a19 == 1) && a28 <= 7)) || ((a25 == 1 && a17 <= 7) && a19 <= 0)) || (((a11 == 0 && a17 <= 8) && a28 <= 10) && a19 <= 0)) || (((a11 == 1 && a17 <= 8) && a28 <= 10) && a19 <= 0)) || ((((a25 == a11 && a25 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7)) || ((((9 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((10 <= a28 && a17 <= 7) && a19 <= 0)) || (((((9 <= a28 && 8 <= a17) && a11 == 0) && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((((a25 == 1 && 8 <= a17) && a11 == 0) && a17 <= 8) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2022-07-22 11:23:40,588 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