./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label33.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/Problem03_label33.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 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 11:26:15,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 11:26:15,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 11:26:15,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 11:26:15,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 11:26:15,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 11:26:15,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 11:26:15,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 11:26:15,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 11:26:16,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 11:26:16,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 11:26:16,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 11:26:16,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 11:26:16,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 11:26:16,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 11:26:16,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 11:26:16,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 11:26:16,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 11:26:16,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 11:26:16,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 11:26:16,012 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 11:26:16,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 11:26:16,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 11:26:16,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 11:26:16,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 11:26:16,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 11:26:16,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 11:26:16,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 11:26:16,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 11:26:16,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 11:26:16,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 11:26:16,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 11:26:16,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 11:26:16,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 11:26:16,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 11:26:16,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 11:26:16,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 11:26:16,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 11:26:16,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 11:26:16,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 11:26:16,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 11:26:16,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 11:26:16,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 11:26:16,039 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 11:26:16,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 11:26:16,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 11:26:16,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 11:26:16,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 11:26:16,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 11:26:16,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 11:26:16,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 11:26:16,041 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 11:26:16,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 11:26:16,042 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 11:26:16,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 11:26:16,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 11:26:16,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 11:26:16,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 11:26:16,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 11:26:16,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 11:26:16,043 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 11:26:16,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 11:26:16,043 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 11:26:16,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 11:26:16,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 11:26:16,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 11:26:16,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 11:26:16,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:26:16,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 11:26:16,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 11:26:16,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 11:26:16,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 11:26:16,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 11:26:16,045 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 11:26:16,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 11:26:16,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 11:26:16,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 [2022-07-22 11:26:16,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 11:26:16,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 11:26:16,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 11:26:16,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 11:26:16,253 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 11:26:16,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2022-07-22 11:26:16,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70d308ee/b871975089ed4981811e0fa67434007a/FLAG09c27d1c8 [2022-07-22 11:26:16,858 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 11:26:16,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2022-07-22 11:26:16,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70d308ee/b871975089ed4981811e0fa67434007a/FLAG09c27d1c8 [2022-07-22 11:26:17,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70d308ee/b871975089ed4981811e0fa67434007a [2022-07-22 11:26:17,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 11:26:17,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 11:26:17,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 11:26:17,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 11:26:17,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 11:26:17,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd234dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17, skipping insertion in model container [2022-07-22 11:26:17,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 11:26:17,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 11:26:17,489 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/Problem03_label33.c[55678,55691] [2022-07-22 11:26:17,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:26:17,549 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 11:26:17,677 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/Problem03_label33.c[55678,55691] [2022-07-22 11:26:17,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:26:17,715 INFO L208 MainTranslator]: Completed translation [2022-07-22 11:26:17,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17 WrapperNode [2022-07-22 11:26:17,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 11:26:17,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 11:26:17,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 11:26:17,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 11:26:17,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,821 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-07-22 11:26:17,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 11:26:17,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 11:26:17,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 11:26:17,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 11:26:17,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 11:26:17,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 11:26:17,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 11:26:17,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 11:26:17,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (1/1) ... [2022-07-22 11:26:17,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:26:17,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:26:17,959 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 11:26:17,979 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 11:26:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 11:26:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 11:26:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 11:26:18,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 11:26:18,098 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 11:26:18,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 11:26:19,164 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 11:26:19,171 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 11:26:19,171 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 11:26:19,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:26:19 BoogieIcfgContainer [2022-07-22 11:26:19,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 11:26:19,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 11:26:19,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 11:26:19,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 11:26:19,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:26:17" (1/3) ... [2022-07-22 11:26:19,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4063fcad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:26:19, skipping insertion in model container [2022-07-22 11:26:19,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:17" (2/3) ... [2022-07-22 11:26:19,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4063fcad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:26:19, skipping insertion in model container [2022-07-22 11:26:19,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:26:19" (3/3) ... [2022-07-22 11:26:19,179 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2022-07-22 11:26:19,188 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 11:26:19,189 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 11:26:19,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 11:26:19,228 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@383fd6a0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6d08b861 [2022-07-22 11:26:19,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 11:26:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 11:26:19,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-22 11:26:19,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:19,242 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, 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 11:26:19,243 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:19,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:19,247 INFO L85 PathProgramCache]: Analyzing trace with hash 263676051, now seen corresponding path program 1 times [2022-07-22 11:26:19,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:19,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342237066] [2022-07-22 11:26:19,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:19,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:19,581 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 11:26:19,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:19,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342237066] [2022-07-22 11:26:19,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342237066] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:19,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:19,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:26:19,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759023474] [2022-07-22 11:26:19,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:19,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:19,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:19,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:19,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:19,607 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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 11:26:20,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:20,339 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2022-07-22 11:26:20,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:20,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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 159 [2022-07-22 11:26:20,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:20,351 INFO L225 Difference]: With dead ends: 829 [2022-07-22 11:26:20,351 INFO L226 Difference]: Without dead ends: 463 [2022-07-22 11:26:20,354 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 11:26:20,357 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 132 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:20,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 127 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:26:20,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2022-07-22 11:26:20,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2022-07-22 11:26:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.6183035714285714) internal successors, (725), 448 states have internal predecessors, (725), 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 11:26:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2022-07-22 11:26:20,481 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 159 [2022-07-22 11:26:20,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:20,482 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2022-07-22 11:26:20,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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 11:26:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2022-07-22 11:26:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-22 11:26:20,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:20,485 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:20,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 11:26:20,485 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:20,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:20,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2003484099, now seen corresponding path program 1 times [2022-07-22 11:26:20,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:20,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665403783] [2022-07-22 11:26:20,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:20,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:26:20,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:20,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665403783] [2022-07-22 11:26:20,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665403783] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:20,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:20,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:26:20,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089431237] [2022-07-22 11:26:20,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:20,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:20,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:20,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:20,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:20,657 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 11:26:21,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:21,283 INFO L93 Difference]: Finished difference Result 1319 states and 2138 transitions. [2022-07-22 11:26:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:21,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 164 [2022-07-22 11:26:21,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:21,286 INFO L225 Difference]: With dead ends: 1319 [2022-07-22 11:26:21,286 INFO L226 Difference]: Without dead ends: 872 [2022-07-22 11:26:21,287 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 11:26:21,288 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 249 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:21,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 150 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:21,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2022-07-22 11:26:21,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 870. [2022-07-22 11:26:21,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 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 11:26:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2022-07-22 11:26:21,305 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 164 [2022-07-22 11:26:21,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:21,305 INFO L495 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2022-07-22 11:26:21,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 11:26:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2022-07-22 11:26:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-22 11:26:21,308 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:21,308 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:21,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 11:26:21,309 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:21,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:21,309 INFO L85 PathProgramCache]: Analyzing trace with hash -254954995, now seen corresponding path program 1 times [2022-07-22 11:26:21,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:21,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594849516] [2022-07-22 11:26:21,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:21,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 11:26:21,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:21,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594849516] [2022-07-22 11:26:21,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594849516] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:21,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:21,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:26:21,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919880310] [2022-07-22 11:26:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:21,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:21,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:21,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:21,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:21,369 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 11:26:21,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:21,976 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2022-07-22 11:26:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:21,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 179 [2022-07-22 11:26:21,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:21,981 INFO L225 Difference]: With dead ends: 2554 [2022-07-22 11:26:21,981 INFO L226 Difference]: Without dead ends: 1686 [2022-07-22 11:26:21,982 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 11:26:21,982 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 232 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:21,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 417 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:21,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-07-22 11:26:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2022-07-22 11:26:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3363042186571599) internal successors, (2249), 1683 states have internal predecessors, (2249), 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 11:26:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2249 transitions. [2022-07-22 11:26:22,007 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2249 transitions. Word has length 179 [2022-07-22 11:26:22,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:22,007 INFO L495 AbstractCegarLoop]: Abstraction has 1684 states and 2249 transitions. [2022-07-22 11:26:22,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 11:26:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2249 transitions. [2022-07-22 11:26:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-22 11:26:22,010 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:22,010 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:22,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 11:26:22,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:22,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1714782896, now seen corresponding path program 1 times [2022-07-22 11:26:22,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:22,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433792124] [2022-07-22 11:26:22,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:22,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:26:22,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:22,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433792124] [2022-07-22 11:26:22,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433792124] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:22,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:22,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:26:22,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211131858] [2022-07-22 11:26:22,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:22,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:22,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:22,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:22,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:22,067 INFO L87 Difference]: Start difference. First operand 1684 states and 2249 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 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 11:26:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:22,647 INFO L93 Difference]: Finished difference Result 5017 states and 6707 transitions. [2022-07-22 11:26:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:22,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 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 182 [2022-07-22 11:26:22,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:22,657 INFO L225 Difference]: With dead ends: 5017 [2022-07-22 11:26:22,657 INFO L226 Difference]: Without dead ends: 3335 [2022-07-22 11:26:22,659 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 11:26:22,666 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 259 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:22,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 123 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:26:22,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2022-07-22 11:26:22,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3326. [2022-07-22 11:26:22,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3326 states, 3325 states have (on average 1.3230075187969925) internal successors, (4399), 3325 states have internal predecessors, (4399), 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 11:26:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 3326 states and 4399 transitions. [2022-07-22 11:26:22,726 INFO L78 Accepts]: Start accepts. Automaton has 3326 states and 4399 transitions. Word has length 182 [2022-07-22 11:26:22,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:22,726 INFO L495 AbstractCegarLoop]: Abstraction has 3326 states and 4399 transitions. [2022-07-22 11:26:22,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 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 11:26:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 4399 transitions. [2022-07-22 11:26:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-22 11:26:22,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:22,730 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:22,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 11:26:22,730 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:22,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:22,731 INFO L85 PathProgramCache]: Analyzing trace with hash 286183656, now seen corresponding path program 1 times [2022-07-22 11:26:22,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:22,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368104117] [2022-07-22 11:26:22,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:26:22,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:22,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368104117] [2022-07-22 11:26:22,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368104117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:22,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:22,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:26:22,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886226798] [2022-07-22 11:26:22,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:22,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:22,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:22,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:22,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:22,809 INFO L87 Difference]: Start difference. First operand 3326 states and 4399 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 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 11:26:23,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:23,386 INFO L93 Difference]: Finished difference Result 9926 states and 13144 transitions. [2022-07-22 11:26:23,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:23,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 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 185 [2022-07-22 11:26:23,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:23,405 INFO L225 Difference]: With dead ends: 9926 [2022-07-22 11:26:23,405 INFO L226 Difference]: Without dead ends: 6602 [2022-07-22 11:26:23,409 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 11:26:23,410 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 217 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:23,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 168 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:26:23,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6602 states. [2022-07-22 11:26:23,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6602 to 5768. [2022-07-22 11:26:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5768 states, 5767 states have (on average 1.33674354083579) internal successors, (7709), 5767 states have internal predecessors, (7709), 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 11:26:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5768 states to 5768 states and 7709 transitions. [2022-07-22 11:26:23,496 INFO L78 Accepts]: Start accepts. Automaton has 5768 states and 7709 transitions. Word has length 185 [2022-07-22 11:26:23,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:23,496 INFO L495 AbstractCegarLoop]: Abstraction has 5768 states and 7709 transitions. [2022-07-22 11:26:23,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 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 11:26:23,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5768 states and 7709 transitions. [2022-07-22 11:26:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-22 11:26:23,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:23,503 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:23,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 11:26:23,504 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:23,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:23,504 INFO L85 PathProgramCache]: Analyzing trace with hash -244964331, now seen corresponding path program 1 times [2022-07-22 11:26:23,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:23,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702414418] [2022-07-22 11:26:23,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:23,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 11:26:23,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:23,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702414418] [2022-07-22 11:26:23,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702414418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:23,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:23,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:26:23,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138235211] [2022-07-22 11:26:23,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:23,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:23,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:23,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:23,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:23,562 INFO L87 Difference]: Start difference. First operand 5768 states and 7709 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 11:26:24,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:24,188 INFO L93 Difference]: Finished difference Result 15634 states and 21101 transitions. [2022-07-22 11:26:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:24,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 202 [2022-07-22 11:26:24,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:24,215 INFO L225 Difference]: With dead ends: 15634 [2022-07-22 11:26:24,216 INFO L226 Difference]: Without dead ends: 9868 [2022-07-22 11:26:24,223 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 11:26:24,223 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 211 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:24,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 188 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9868 states. [2022-07-22 11:26:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9868 to 9643. [2022-07-22 11:26:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9643 states, 9642 states have (on average 1.356461315079859) internal successors, (13079), 9642 states have internal predecessors, (13079), 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 11:26:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9643 states to 9643 states and 13079 transitions. [2022-07-22 11:26:24,444 INFO L78 Accepts]: Start accepts. Automaton has 9643 states and 13079 transitions. Word has length 202 [2022-07-22 11:26:24,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:24,445 INFO L495 AbstractCegarLoop]: Abstraction has 9643 states and 13079 transitions. [2022-07-22 11:26:24,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 11:26:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 9643 states and 13079 transitions. [2022-07-22 11:26:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-22 11:26:24,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:24,457 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:24,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 11:26:24,457 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:24,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:24,458 INFO L85 PathProgramCache]: Analyzing trace with hash 55439515, now seen corresponding path program 1 times [2022-07-22 11:26:24,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:24,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668523145] [2022-07-22 11:26:24,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:24,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-22 11:26:24,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:24,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668523145] [2022-07-22 11:26:24,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668523145] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:24,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:24,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:26:24,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384443945] [2022-07-22 11:26:24,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:24,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:24,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:24,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:24,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:24,516 INFO L87 Difference]: Start difference. First operand 9643 states and 13079 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 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 11:26:25,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:25,146 INFO L93 Difference]: Finished difference Result 22544 states and 30610 transitions. [2022-07-22 11:26:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:25,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 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 204 [2022-07-22 11:26:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:25,186 INFO L225 Difference]: With dead ends: 22544 [2022-07-22 11:26:25,186 INFO L226 Difference]: Without dead ends: 12903 [2022-07-22 11:26:25,198 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 11:26:25,199 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 204 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:25,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 173 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:25,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12903 states. [2022-07-22 11:26:25,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12903 to 12891. [2022-07-22 11:26:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12891 states, 12890 states have (on average 1.3324282389449185) internal successors, (17175), 12890 states have internal predecessors, (17175), 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 11:26:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12891 states to 12891 states and 17175 transitions. [2022-07-22 11:26:25,390 INFO L78 Accepts]: Start accepts. Automaton has 12891 states and 17175 transitions. Word has length 204 [2022-07-22 11:26:25,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:25,391 INFO L495 AbstractCegarLoop]: Abstraction has 12891 states and 17175 transitions. [2022-07-22 11:26:25,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 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 11:26:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 12891 states and 17175 transitions. [2022-07-22 11:26:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-22 11:26:25,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:25,404 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:25,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 11:26:25,404 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:25,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:25,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2131448838, now seen corresponding path program 1 times [2022-07-22 11:26:25,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:25,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936071148] [2022-07-22 11:26:25,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:25,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-22 11:26:25,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:25,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936071148] [2022-07-22 11:26:25,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936071148] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:25,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:25,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:26:25,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827413658] [2022-07-22 11:26:25,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:25,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:25,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:25,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:25,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:25,513 INFO L87 Difference]: Start difference. First operand 12891 states and 17175 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 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 11:26:26,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:26,083 INFO L93 Difference]: Finished difference Result 28632 states and 37901 transitions. [2022-07-22 11:26:26,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:26,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 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 205 [2022-07-22 11:26:26,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:26,109 INFO L225 Difference]: With dead ends: 28632 [2022-07-22 11:26:26,110 INFO L226 Difference]: Without dead ends: 16353 [2022-07-22 11:26:26,124 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 11:26:26,125 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 205 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:26,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 159 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:26:26,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16353 states. [2022-07-22 11:26:26,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16353 to 16350. [2022-07-22 11:26:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16350 states, 16349 states have (on average 1.313719493547006) internal successors, (21478), 16349 states have internal predecessors, (21478), 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 11:26:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16350 states to 16350 states and 21478 transitions. [2022-07-22 11:26:26,341 INFO L78 Accepts]: Start accepts. Automaton has 16350 states and 21478 transitions. Word has length 205 [2022-07-22 11:26:26,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:26,341 INFO L495 AbstractCegarLoop]: Abstraction has 16350 states and 21478 transitions. [2022-07-22 11:26:26,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 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 11:26:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 16350 states and 21478 transitions. [2022-07-22 11:26:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-22 11:26:26,355 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:26,355 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:26,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 11:26:26,358 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:26,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:26,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1409175678, now seen corresponding path program 1 times [2022-07-22 11:26:26,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:26,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973878693] [2022-07-22 11:26:26,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:26,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-22 11:26:26,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:26,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973878693] [2022-07-22 11:26:26,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973878693] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:26,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:26,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:26:26,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653786199] [2022-07-22 11:26:26,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:26,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:26,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:26,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:26,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:26,424 INFO L87 Difference]: Start difference. First operand 16350 states and 21478 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 11:26:27,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:27,066 INFO L93 Difference]: Finished difference Result 37380 states and 48886 transitions. [2022-07-22 11:26:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:27,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 207 [2022-07-22 11:26:27,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:27,101 INFO L225 Difference]: With dead ends: 37380 [2022-07-22 11:26:27,102 INFO L226 Difference]: Without dead ends: 21642 [2022-07-22 11:26:27,117 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 11:26:27,117 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 203 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:27,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 423 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:26:27,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21642 states. [2022-07-22 11:26:27,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21642 to 21638. [2022-07-22 11:26:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21638 states, 21637 states have (on average 1.2716180616536488) internal successors, (27514), 21637 states have internal predecessors, (27514), 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 11:26:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21638 states to 21638 states and 27514 transitions. [2022-07-22 11:26:27,426 INFO L78 Accepts]: Start accepts. Automaton has 21638 states and 27514 transitions. Word has length 207 [2022-07-22 11:26:27,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:27,426 INFO L495 AbstractCegarLoop]: Abstraction has 21638 states and 27514 transitions. [2022-07-22 11:26:27,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 11:26:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 21638 states and 27514 transitions. [2022-07-22 11:26:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-22 11:26:27,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:27,450 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:27,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 11:26:27,451 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:27,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:27,451 INFO L85 PathProgramCache]: Analyzing trace with hash -488323386, now seen corresponding path program 1 times [2022-07-22 11:26:27,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:27,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190832679] [2022-07-22 11:26:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-22 11:26:27,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:27,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190832679] [2022-07-22 11:26:27,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190832679] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:26:27,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018116258] [2022-07-22 11:26:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:27,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:27,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:26:27,553 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 11:26:27,556 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 11:26:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:27,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:26:27,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:26:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-22 11:26:28,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:26:28,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018116258] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:28,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:26:28,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-22 11:26:28,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982871373] [2022-07-22 11:26:28,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:28,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:28,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:28,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:28,035 INFO L87 Difference]: Start difference. First operand 21638 states and 27514 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 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 11:26:28,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:28,973 INFO L93 Difference]: Finished difference Result 54470 states and 69463 transitions. [2022-07-22 11:26:28,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:28,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 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 211 [2022-07-22 11:26:28,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:29,026 INFO L225 Difference]: With dead ends: 54470 [2022-07-22 11:26:29,027 INFO L226 Difference]: Without dead ends: 33037 [2022-07-22 11:26:29,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:29,049 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 233 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:29,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 168 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:26:29,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33037 states. [2022-07-22 11:26:29,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33037 to 30800. [2022-07-22 11:26:29,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30800 states, 30799 states have (on average 1.2554953082892302) internal successors, (38668), 30799 states have internal predecessors, (38668), 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 11:26:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30800 states to 30800 states and 38668 transitions. [2022-07-22 11:26:29,626 INFO L78 Accepts]: Start accepts. Automaton has 30800 states and 38668 transitions. Word has length 211 [2022-07-22 11:26:29,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:29,626 INFO L495 AbstractCegarLoop]: Abstraction has 30800 states and 38668 transitions. [2022-07-22 11:26:29,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 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 11:26:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30800 states and 38668 transitions. [2022-07-22 11:26:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-07-22 11:26:29,651 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:29,651 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:29,672 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 11:26:29,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-22 11:26:29,861 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:29,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:29,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1310328619, now seen corresponding path program 1 times [2022-07-22 11:26:29,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:29,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672151521] [2022-07-22 11:26:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-22 11:26:29,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:29,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672151521] [2022-07-22 11:26:29,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672151521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:29,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:29,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:26:29,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144028483] [2022-07-22 11:26:29,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:29,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:29,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:29,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:29,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:29,939 INFO L87 Difference]: Start difference. First operand 30800 states and 38668 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 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 11:26:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:30,966 INFO L93 Difference]: Finished difference Result 63040 states and 78984 transitions. [2022-07-22 11:26:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:30,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 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 219 [2022-07-22 11:26:30,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:31,022 INFO L225 Difference]: With dead ends: 63040 [2022-07-22 11:26:31,023 INFO L226 Difference]: Without dead ends: 37533 [2022-07-22 11:26:31,042 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 11:26:31,043 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 197 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:31,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 211 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 11:26:31,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37533 states. [2022-07-22 11:26:31,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37533 to 37519. [2022-07-22 11:26:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37519 states, 37518 states have (on average 1.2423636654405885) internal successors, (46611), 37518 states have internal predecessors, (46611), 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 11:26:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37519 states to 37519 states and 46611 transitions. [2022-07-22 11:26:31,659 INFO L78 Accepts]: Start accepts. Automaton has 37519 states and 46611 transitions. Word has length 219 [2022-07-22 11:26:31,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:31,659 INFO L495 AbstractCegarLoop]: Abstraction has 37519 states and 46611 transitions. [2022-07-22 11:26:31,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 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 11:26:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 37519 states and 46611 transitions. [2022-07-22 11:26:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-22 11:26:31,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:31,684 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:31,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 11:26:31,684 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:31,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:31,685 INFO L85 PathProgramCache]: Analyzing trace with hash -964122806, now seen corresponding path program 1 times [2022-07-22 11:26:31,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:31,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431087697] [2022-07-22 11:26:31,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:31,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-22 11:26:31,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:31,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431087697] [2022-07-22 11:26:31,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431087697] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:26:31,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18150592] [2022-07-22 11:26:31,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:31,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:31,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:26:31,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:26:31,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 11:26:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:32,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:26:32,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:26:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 11:26:32,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:26:32,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18150592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:32,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:26:32,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:26:32,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711558502] [2022-07-22 11:26:32,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:32,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:32,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:32,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:32,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:32,066 INFO L87 Difference]: Start difference. First operand 37519 states and 46611 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 11:26:32,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:32,871 INFO L93 Difference]: Finished difference Result 87421 states and 110638 transitions. [2022-07-22 11:26:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:32,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 226 [2022-07-22 11:26:32,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:33,103 INFO L225 Difference]: With dead ends: 87421 [2022-07-22 11:26:33,113 INFO L226 Difference]: Without dead ends: 50717 [2022-07-22 11:26:33,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:33,136 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 228 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:33,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 167 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:33,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50717 states. [2022-07-22 11:26:33,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50717 to 50714. [2022-07-22 11:26:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50714 states, 50713 states have (on average 1.2063770630804724) internal successors, (61179), 50713 states have internal predecessors, (61179), 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 11:26:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50714 states to 50714 states and 61179 transitions. [2022-07-22 11:26:33,703 INFO L78 Accepts]: Start accepts. Automaton has 50714 states and 61179 transitions. Word has length 226 [2022-07-22 11:26:33,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:33,704 INFO L495 AbstractCegarLoop]: Abstraction has 50714 states and 61179 transitions. [2022-07-22 11:26:33,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 11:26:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 50714 states and 61179 transitions. [2022-07-22 11:26:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-07-22 11:26:33,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:33,727 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:33,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 11:26:33,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-22 11:26:33,947 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:33,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:33,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1990507994, now seen corresponding path program 1 times [2022-07-22 11:26:33,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:33,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389686472] [2022-07-22 11:26:33,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:33,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-07-22 11:26:34,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:34,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389686472] [2022-07-22 11:26:34,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389686472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:34,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:34,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:26:34,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430943685] [2022-07-22 11:26:34,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:34,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:34,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:34,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:34,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:34,006 INFO L87 Difference]: Start difference. First operand 50714 states and 61179 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 11:26:35,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:35,096 INFO L93 Difference]: Finished difference Result 100829 states and 121854 transitions. [2022-07-22 11:26:35,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:35,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 230 [2022-07-22 11:26:35,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:35,177 INFO L225 Difference]: With dead ends: 100829 [2022-07-22 11:26:35,177 INFO L226 Difference]: Without dead ends: 51744 [2022-07-22 11:26:35,213 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 11:26:35,214 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:35,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 402 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 11:26:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51744 states. [2022-07-22 11:26:35,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51744 to 44000. [2022-07-22 11:26:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44000 states, 43999 states have (on average 1.2026182413236663) internal successors, (52914), 43999 states have internal predecessors, (52914), 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 11:26:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44000 states to 44000 states and 52914 transitions. [2022-07-22 11:26:35,985 INFO L78 Accepts]: Start accepts. Automaton has 44000 states and 52914 transitions. Word has length 230 [2022-07-22 11:26:35,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:35,985 INFO L495 AbstractCegarLoop]: Abstraction has 44000 states and 52914 transitions. [2022-07-22 11:26:35,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 11:26:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 44000 states and 52914 transitions. [2022-07-22 11:26:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-22 11:26:36,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:36,007 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:36,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 11:26:36,007 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:36,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:36,008 INFO L85 PathProgramCache]: Analyzing trace with hash -392881298, now seen corresponding path program 1 times [2022-07-22 11:26:36,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:36,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684211219] [2022-07-22 11:26:36,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-22 11:26:36,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:36,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684211219] [2022-07-22 11:26:36,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684211219] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:26:36,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210407525] [2022-07-22 11:26:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:36,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:36,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:26:36,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:26:36,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 11:26:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:36,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:26:36,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:26:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 11:26:36,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:26:36,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210407525] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:36,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:26:36,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:26:36,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262251243] [2022-07-22 11:26:36,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:36,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:36,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:36,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:36,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:36,252 INFO L87 Difference]: Start difference. First operand 44000 states and 52914 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 11:26:37,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:37,121 INFO L93 Difference]: Finished difference Result 86983 states and 104687 transitions. [2022-07-22 11:26:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:37,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 246 [2022-07-22 11:26:37,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:37,179 INFO L225 Difference]: With dead ends: 86983 [2022-07-22 11:26:37,179 INFO L226 Difference]: Without dead ends: 43798 [2022-07-22 11:26:37,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:37,217 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 260 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:37,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 97 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:37,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43798 states. [2022-07-22 11:26:37,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43798 to 43795. [2022-07-22 11:26:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43795 states, 43794 states have (on average 1.189889025893958) internal successors, (52110), 43794 states have internal predecessors, (52110), 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 11:26:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43795 states to 43795 states and 52110 transitions. [2022-07-22 11:26:37,865 INFO L78 Accepts]: Start accepts. Automaton has 43795 states and 52110 transitions. Word has length 246 [2022-07-22 11:26:37,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:37,866 INFO L495 AbstractCegarLoop]: Abstraction has 43795 states and 52110 transitions. [2022-07-22 11:26:37,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 11:26:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand 43795 states and 52110 transitions. [2022-07-22 11:26:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-22 11:26:37,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:37,918 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:37,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 11:26:38,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:38,119 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:38,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:38,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1765368577, now seen corresponding path program 1 times [2022-07-22 11:26:38,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:38,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956556738] [2022-07-22 11:26:38,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:38,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-07-22 11:26:38,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:38,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956556738] [2022-07-22 11:26:38,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956556738] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:38,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:38,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:26:38,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066884888] [2022-07-22 11:26:38,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:38,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 11:26:38,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:38,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 11:26:38,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:26:38,194 INFO L87 Difference]: Start difference. First operand 43795 states and 52110 transitions. Second operand has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 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 11:26:39,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:39,520 INFO L93 Difference]: Finished difference Result 86809 states and 103380 transitions. [2022-07-22 11:26:39,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 11:26:39,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 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 246 [2022-07-22 11:26:39,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:39,574 INFO L225 Difference]: With dead ends: 86809 [2022-07-22 11:26:39,574 INFO L226 Difference]: Without dead ends: 43829 [2022-07-22 11:26:39,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:26:39,604 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 441 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:39,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 158 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 11:26:39,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43829 states. [2022-07-22 11:26:40,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43829 to 42372. [2022-07-22 11:26:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42372 states, 42371 states have (on average 1.1922777371315287) internal successors, (50518), 42371 states have internal predecessors, (50518), 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 11:26:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42372 states to 42372 states and 50518 transitions. [2022-07-22 11:26:40,431 INFO L78 Accepts]: Start accepts. Automaton has 42372 states and 50518 transitions. Word has length 246 [2022-07-22 11:26:40,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:40,431 INFO L495 AbstractCegarLoop]: Abstraction has 42372 states and 50518 transitions. [2022-07-22 11:26:40,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 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 11:26:40,431 INFO L276 IsEmpty]: Start isEmpty. Operand 42372 states and 50518 transitions. [2022-07-22 11:26:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-22 11:26:40,469 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:40,470 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:40,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 11:26:40,470 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:40,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:40,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1579003028, now seen corresponding path program 1 times [2022-07-22 11:26:40,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:40,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313102992] [2022-07-22 11:26:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:40,633 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-07-22 11:26:40,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:40,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313102992] [2022-07-22 11:26:40,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313102992] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:26:40,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798954110] [2022-07-22 11:26:40,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:40,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:40,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:26:40,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:26:40,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 11:26:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:40,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:26:40,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:26:40,994 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-22 11:26:40,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:26:40,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798954110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:40,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:26:40,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:26:40,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7573863] [2022-07-22 11:26:40,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:40,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:40,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:40,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:40,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:40,997 INFO L87 Difference]: Start difference. First operand 42372 states and 50518 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 11:26:41,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:41,759 INFO L93 Difference]: Finished difference Result 82334 states and 97986 transitions. [2022-07-22 11:26:41,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:41,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 253 [2022-07-22 11:26:41,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:41,806 INFO L225 Difference]: With dead ends: 82334 [2022-07-22 11:26:41,807 INFO L226 Difference]: Without dead ends: 40370 [2022-07-22 11:26:41,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:41,833 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:41,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 389 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:26:41,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40370 states. [2022-07-22 11:26:42,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40370 to 40342. [2022-07-22 11:26:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40342 states, 40341 states have (on average 1.1754790411739917) internal successors, (47420), 40341 states have internal predecessors, (47420), 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 11:26:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40342 states to 40342 states and 47420 transitions. [2022-07-22 11:26:42,440 INFO L78 Accepts]: Start accepts. Automaton has 40342 states and 47420 transitions. Word has length 253 [2022-07-22 11:26:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:42,440 INFO L495 AbstractCegarLoop]: Abstraction has 40342 states and 47420 transitions. [2022-07-22 11:26:42,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 11:26:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 40342 states and 47420 transitions. [2022-07-22 11:26:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-22 11:26:42,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:42,464 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:42,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 11:26:42,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-22 11:26:42,680 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1206876749, now seen corresponding path program 1 times [2022-07-22 11:26:42,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:42,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799295851] [2022-07-22 11:26:42,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:42,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 11:26:42,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:42,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799295851] [2022-07-22 11:26:42,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799295851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:42,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:42,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:26:42,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211104722] [2022-07-22 11:26:42,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:42,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:42,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:42,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:42,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:42,788 INFO L87 Difference]: Start difference. First operand 40342 states and 47420 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 11:26:43,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:43,781 INFO L93 Difference]: Finished difference Result 72533 states and 85289 transitions. [2022-07-22 11:26:43,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:43,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 11:26:43,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:43,820 INFO L225 Difference]: With dead ends: 72533 [2022-07-22 11:26:43,820 INFO L226 Difference]: Without dead ends: 32803 [2022-07-22 11:26:43,834 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 11:26:43,835 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 279 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:43,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 369 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:26:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32803 states. [2022-07-22 11:26:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32803 to 32599. [2022-07-22 11:26:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32599 states, 32598 states have (on average 1.14623596539665) internal successors, (37365), 32598 states have internal predecessors, (37365), 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 11:26:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32599 states to 32599 states and 37365 transitions. [2022-07-22 11:26:44,159 INFO L78 Accepts]: Start accepts. Automaton has 32599 states and 37365 transitions. Word has length 264 [2022-07-22 11:26:44,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:44,160 INFO L495 AbstractCegarLoop]: Abstraction has 32599 states and 37365 transitions. [2022-07-22 11:26:44,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 11:26:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 32599 states and 37365 transitions. [2022-07-22 11:26:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-22 11:26:44,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:44,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 11:26:44,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 11:26:44,180 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:44,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:44,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2083231653, now seen corresponding path program 1 times [2022-07-22 11:26:44,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:44,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741074706] [2022-07-22 11:26:44,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:44,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:26:44,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:44,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741074706] [2022-07-22 11:26:44,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741074706] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:44,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:44,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:26:44,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56468568] [2022-07-22 11:26:44,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:44,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:44,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:44,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:44,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:44,273 INFO L87 Difference]: Start difference. First operand 32599 states and 37365 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 11:26:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:45,078 INFO L93 Difference]: Finished difference Result 63964 states and 73189 transitions. [2022-07-22 11:26:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:45,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 11:26:45,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:45,117 INFO L225 Difference]: With dead ends: 63964 [2022-07-22 11:26:45,117 INFO L226 Difference]: Without dead ends: 31977 [2022-07-22 11:26:45,138 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 11:26:45,138 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 255 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:45,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 368 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31977 states. [2022-07-22 11:26:45,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31977 to 27914. [2022-07-22 11:26:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27914 states, 27913 states have (on average 1.1229534625443343) internal successors, (31345), 27913 states have internal predecessors, (31345), 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 11:26:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27914 states to 27914 states and 31345 transitions. [2022-07-22 11:26:45,452 INFO L78 Accepts]: Start accepts. Automaton has 27914 states and 31345 transitions. Word has length 278 [2022-07-22 11:26:45,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:45,453 INFO L495 AbstractCegarLoop]: Abstraction has 27914 states and 31345 transitions. [2022-07-22 11:26:45,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 11:26:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 27914 states and 31345 transitions. [2022-07-22 11:26:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-07-22 11:26:45,471 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:45,471 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:45,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 11:26:45,472 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:45,472 INFO L85 PathProgramCache]: Analyzing trace with hash -801775645, now seen corresponding path program 1 times [2022-07-22 11:26:45,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:45,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698262802] [2022-07-22 11:26:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:45,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-07-22 11:26:45,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:45,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698262802] [2022-07-22 11:26:45,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698262802] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:26:45,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313702534] [2022-07-22 11:26:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:45,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:26:45,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:26:45,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 11:26:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:45,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:26:45,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:26:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-22 11:26:45,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:26:45,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313702534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:45,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:26:45,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:26:45,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248446542] [2022-07-22 11:26:45,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:45,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:45,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:45,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:45,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:45,955 INFO L87 Difference]: Start difference. First operand 27914 states and 31345 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 11:26:46,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:46,716 INFO L93 Difference]: Finished difference Result 65406 states and 73655 transitions. [2022-07-22 11:26:46,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:46,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 287 [2022-07-22 11:26:46,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:46,757 INFO L225 Difference]: With dead ends: 65406 [2022-07-22 11:26:46,757 INFO L226 Difference]: Without dead ends: 38714 [2022-07-22 11:26:46,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:46,780 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 110 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:46,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 175 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38714 states. [2022-07-22 11:26:47,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38714 to 37071. [2022-07-22 11:26:47,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37071 states, 37070 states have (on average 1.1126517399514433) internal successors, (41246), 37070 states have internal predecessors, (41246), 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 11:26:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37071 states to 37071 states and 41246 transitions. [2022-07-22 11:26:47,215 INFO L78 Accepts]: Start accepts. Automaton has 37071 states and 41246 transitions. Word has length 287 [2022-07-22 11:26:47,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:47,215 INFO L495 AbstractCegarLoop]: Abstraction has 37071 states and 41246 transitions. [2022-07-22 11:26:47,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 11:26:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 37071 states and 41246 transitions. [2022-07-22 11:26:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-22 11:26:47,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:47,246 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:47,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 11:26:47,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:47,464 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:47,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:47,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1366349276, now seen corresponding path program 1 times [2022-07-22 11:26:47,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:47,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346540545] [2022-07-22 11:26:47,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-07-22 11:26:47,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:47,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346540545] [2022-07-22 11:26:47,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346540545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:47,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:26:47,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:26:47,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831270339] [2022-07-22 11:26:47,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:47,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:47,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:47,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:47,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:26:47,553 INFO L87 Difference]: Start difference. First operand 37071 states and 41246 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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 11:26:48,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:48,211 INFO L93 Difference]: Finished difference Result 69453 states and 77206 transitions. [2022-07-22 11:26:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:48,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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 312 [2022-07-22 11:26:48,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:48,212 INFO L225 Difference]: With dead ends: 69453 [2022-07-22 11:26:48,212 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 11:26:48,235 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 11:26:48,237 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 231 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:48,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 375 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:26:48,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 11:26:48,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 11:26:48,242 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 11:26:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 11:26:48,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2022-07-22 11:26:48,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:48,243 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 11:26:48,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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 11:26:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 11:26:48,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 11:26:48,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 11:26:48,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-22 11:26:48,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 11:26:54,621 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-07-22 11:26:54,622 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,623 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,624 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,625 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,626 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-07-22 11:26:54,627 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1522) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,628 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,629 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,630 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,631 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse13 (= ~a26~0 0)) (.cse4 (= ~a6~0 0)) (.cse6 (<= ~a11~0 0)) (.cse7 (= ~a27~0 1)) (.cse8 (= ~a3~0 0))) (let ((.cse11 (or (and .cse13 .cse4 .cse6 .cse8) (and .cse4 .cse6 .cse7 .cse8))) (.cse0 (= ~a26~0 1)) (.cse10 (<= ~a3~0 1)) (.cse3 (= ~a11~0 1)) (.cse1 (= ~a12~0 1)) (.cse2 (<= 1 ~a3~0)) (.cse5 (<= ~a27~0 0)) (.cse12 (= ~a6~0 1)) (.cse9 (<= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse1 .cse3 .cse4 .cse7 .cse8) (and .cse2 .cse3 .cse4 .cse9 .cse7) (and .cse1 .cse10 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse11) (and .cse10 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse12 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse12 .cse7) (and .cse3 .cse12 .cse9 .cse8 .cse5) (and .cse2 .cse3 .cse12 .cse9 .cse5) (and .cse2 .cse12 .cse6 .cse9 .cse7) (and .cse13 .cse1 .cse10 .cse2 .cse3 .cse12 .cse5) (and .cse10 .cse2 .cse4 .cse6 .cse9 .cse5) (and .cse12 .cse6 .cse9 .cse8 .cse5) (and .cse1 .cse2 .cse12 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse3 .cse4 .cse9 .cse8 .cse5) (and .cse1 .cse10 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse12 .cse6 .cse8 .cse5) (and .cse11 .cse9) (and .cse0 .cse1 .cse10 .cse2 .cse6 .cse7) (and .cse13 .cse2 .cse4 .cse6 .cse9 .cse7) (and .cse13 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse3 .cse12 .cse7 .cse8) (and .cse0 .cse1 (= ~a26~0 ~a11~0) .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse12 .cse8 .cse5) (and .cse2 .cse3 .cse12 .cse9 .cse7) (and .cse3 .cse12 .cse9 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse6 .cse8 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse9 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse3 .cse4 .cse8 .cse5) (and .cse3 .cse4 .cse9 .cse7 .cse8) (and .cse2 .cse12 .cse6 .cse9 .cse5) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse7) (and .cse1 .cse2 .cse12 .cse6 .cse5) (and .cse1 .cse2 .cse4 .cse6 .cse5) (and .cse12 .cse6 .cse9 .cse7 .cse8)))) [2022-07-22 11:26:54,631 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,631 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,631 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,631 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-07-22 11:26:54,631 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-07-22 11:26:54,633 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,633 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,633 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,633 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-07-22 11:26:54,633 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,633 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,633 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,634 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,635 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-07-22 11:26:54,636 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-07-22 11:26:54,636 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,636 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse13 (= ~a26~0 0)) (.cse4 (= ~a6~0 0)) (.cse6 (<= ~a11~0 0)) (.cse7 (= ~a27~0 1)) (.cse8 (= ~a3~0 0))) (let ((.cse11 (or (and .cse13 .cse4 .cse6 .cse8) (and .cse4 .cse6 .cse7 .cse8))) (.cse0 (= ~a26~0 1)) (.cse10 (<= ~a3~0 1)) (.cse3 (= ~a11~0 1)) (.cse1 (= ~a12~0 1)) (.cse2 (<= 1 ~a3~0)) (.cse5 (<= ~a27~0 0)) (.cse12 (= ~a6~0 1)) (.cse9 (<= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse1 .cse3 .cse4 .cse7 .cse8) (and .cse2 .cse3 .cse4 .cse9 .cse7) (and .cse1 .cse10 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse11) (and .cse10 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse12 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse12 .cse7) (and .cse3 .cse12 .cse9 .cse8 .cse5) (and .cse2 .cse3 .cse12 .cse9 .cse5) (and .cse2 .cse12 .cse6 .cse9 .cse7) (and .cse13 .cse1 .cse10 .cse2 .cse3 .cse12 .cse5) (and .cse10 .cse2 .cse4 .cse6 .cse9 .cse5) (and .cse12 .cse6 .cse9 .cse8 .cse5) (and .cse1 .cse2 .cse12 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse3 .cse4 .cse9 .cse8 .cse5) (and .cse1 .cse10 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse12 .cse6 .cse8 .cse5) (and .cse11 .cse9) (and .cse0 .cse1 .cse10 .cse2 .cse6 .cse7) (and .cse13 .cse2 .cse4 .cse6 .cse9 .cse7) (and .cse13 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse3 .cse12 .cse7 .cse8) (and .cse0 .cse1 (= ~a26~0 ~a11~0) .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse12 .cse8 .cse5) (and .cse2 .cse3 .cse12 .cse9 .cse7) (and .cse3 .cse12 .cse9 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse6 .cse8 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse9 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse3 .cse4 .cse8 .cse5) (and .cse3 .cse4 .cse9 .cse7 .cse8) (and .cse2 .cse12 .cse6 .cse9 .cse5) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse7) (and .cse1 .cse2 .cse12 .cse6 .cse5) (and .cse1 .cse2 .cse4 .cse6 .cse5) (and .cse12 .cse6 .cse9 .cse7 .cse8)))) [2022-07-22 11:26:54,636 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,636 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,636 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,637 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,638 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,639 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,640 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-07-22 11:26:54,641 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,642 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,643 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,644 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,645 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,645 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-07-22 11:26:54,645 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-07-22 11:26:54,645 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-07-22 11:26:54,645 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,645 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,645 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:54,649 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:54,651 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 11:26:54,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 11:26:54 BoogieIcfgContainer [2022-07-22 11:26:54,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 11:26:54,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 11:26:54,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 11:26:54,674 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 11:26:54,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:26:19" (3/4) ... [2022-07-22 11:26:54,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 11:26:54,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 11:26:54,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 11:26:54,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 11:26:54,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 11:26:54,796 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 11:26:54,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 11:26:54,797 INFO L158 Benchmark]: Toolchain (without parser) took 37672.45ms. Allocated memory was 86.0MB in the beginning and 10.0GB in the end (delta: 10.0GB). Free memory was 48.3MB in the beginning and 8.4GB in the end (delta: -8.4GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-07-22 11:26:54,797 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 11:26:54,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.24ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 48.1MB in the beginning and 75.5MB in the end (delta: -27.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-07-22 11:26:54,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.35ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 61.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 11:26:54,798 INFO L158 Benchmark]: Boogie Preprocessor took 111.58ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 50.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 11:26:54,798 INFO L158 Benchmark]: RCFGBuilder took 1238.40ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 50.8MB in the beginning and 103.4MB in the end (delta: -52.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-07-22 11:26:54,798 INFO L158 Benchmark]: TraceAbstraction took 35498.94ms. Allocated memory was 157.3MB in the beginning and 10.0GB in the end (delta: 9.9GB). Free memory was 102.3MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-07-22 11:26:54,799 INFO L158 Benchmark]: Witness Printer took 122.49ms. Allocated memory is still 10.0GB. Free memory was 8.5GB in the beginning and 8.4GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-22 11:26:54,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.24ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 48.1MB in the beginning and 75.5MB in the end (delta: -27.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.35ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 61.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.58ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 50.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1238.40ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 50.8MB in the beginning and 103.4MB in the end (delta: -52.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * TraceAbstraction took 35498.94ms. Allocated memory was 157.3MB in the beginning and 10.0GB in the end (delta: 9.9GB). Free memory was 102.3MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Witness Printer took 122.49ms. Allocated memory is still 10.0GB. Free memory was 8.5GB in the beginning and 8.4GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. 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: 1522]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.4s, OverallIterations: 20, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4574 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4574 mSDsluCounter, 4807 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 527 mSDsCounter, 2243 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12869 IncrementalHoareTripleChecker+Invalid, 15112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2243 mSolverCounterUnsat, 4280 mSDtfsCounter, 12869 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1270 GetRequests, 1239 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50714occurred in iteration=12, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 18501 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 329 NumberOfFragments, 1521 HoareAnnotationTreeSize, 3 FomulaSimplifications, 336 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 19346 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 5682 NumberOfCodeBlocks, 5682 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 5657 ConstructedInterpolants, 0 QuantifiedInterpolants, 9361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2707 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 3038/3068 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0) || ((((a26 == 1 && a12 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a6 == 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || (a12 == 1 && ((((a26 == 0 && a6 == 0) && a11 <= 0) && a3 == 0) || (((a6 == 0 && a11 <= 0) && a27 == 1) && a3 == 0)))) || (((((a3 <= 1 && 1 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((a12 == 1 && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((1 <= a3 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || ((((((a26 == 0 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a3 <= 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || ((((a6 == 1 && a11 <= 0) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 0) && a12 <= 0) && a3 == 0) && a27 <= 0)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((a12 == 1 && a6 == 1) && a11 <= 0) && a3 == 0) && a27 <= 0)) || (((((a26 == 0 && a6 == 0) && a11 <= 0) && a3 == 0) || (((a6 == 0 && a11 <= 0) && a27 == 1) && a3 == 0)) && a12 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 0 && 1 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((a12 == 1 && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((a26 == 1 && a12 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a6 == 0) && a11 <= 0) && a3 == 0) && a27 <= 0)) || (((((a26 == 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((a12 == 1 && a11 == 1) && a6 == 0) && a3 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 0) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1)) || ((((a12 == 1 && 1 <= a3) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 <= 0)) || ((((a6 == 1 && a11 <= 0) && a12 <= 0) && a27 == 1) && a3 == 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0) || ((((a26 == 1 && a12 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a6 == 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || (a12 == 1 && ((((a26 == 0 && a6 == 0) && a11 <= 0) && a3 == 0) || (((a6 == 0 && a11 <= 0) && a27 == 1) && a3 == 0)))) || (((((a3 <= 1 && 1 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((a12 == 1 && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((1 <= a3 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || ((((((a26 == 0 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a3 <= 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || ((((a6 == 1 && a11 <= 0) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 0) && a12 <= 0) && a3 == 0) && a27 <= 0)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((a12 == 1 && a6 == 1) && a11 <= 0) && a3 == 0) && a27 <= 0)) || (((((a26 == 0 && a6 == 0) && a11 <= 0) && a3 == 0) || (((a6 == 0 && a11 <= 0) && a27 == 1) && a3 == 0)) && a12 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 0 && 1 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((a12 == 1 && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((a26 == 1 && a12 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a6 == 0) && a11 <= 0) && a3 == 0) && a27 <= 0)) || (((((a26 == 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((a12 == 1 && a11 == 1) && a6 == 0) && a3 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 0) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1)) || ((((a12 == 1 && 1 <= a3) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 <= 0)) || ((((a6 == 1 && a11 <= 0) && a12 <= 0) && a27 == 1) && a3 == 0) RESULT: Ultimate proved your program to be correct! [2022-07-22 11:26:54,868 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