./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label19.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 8aa577dc4c04bf53d7d29751ed362e9afcf94d1db611db106e7ed08797634e47 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 23:40:06,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 23:40:06,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 23:40:06,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 23:40:06,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 23:40:06,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 23:40:06,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 23:40:06,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 23:40:06,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 23:40:06,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 23:40:06,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 23:40:06,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 23:40:06,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 23:40:06,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 23:40:06,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 23:40:06,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 23:40:06,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 23:40:06,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 23:40:06,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 23:40:06,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 23:40:06,890 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 23:40:06,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 23:40:06,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 23:40:06,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 23:40:06,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 23:40:06,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 23:40:06,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 23:40:06,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 23:40:06,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 23:40:06,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 23:40:06,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 23:40:06,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 23:40:06,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 23:40:06,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 23:40:06,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 23:40:06,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 23:40:06,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 23:40:06,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 23:40:06,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 23:40:06,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 23:40:06,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 23:40:06,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 23:40:06,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 23:40:06,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 23:40:06,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 23:40:06,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 23:40:06,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 23:40:06,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 23:40:06,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 23:40:06,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 23:40:06,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 23:40:06,923 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 23:40:06,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 23:40:06,924 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 23:40:06,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 23:40:06,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 23:40:06,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 23:40:06,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 23:40:06,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 23:40:06,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 23:40:06,925 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 23:40:06,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 23:40:06,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 23:40:06,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 23:40:06,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 23:40:06,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 23:40:06,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 23:40:06,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:40:06,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 23:40:06,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 23:40:06,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 23:40:06,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 23:40:06,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 23:40:06,927 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 23:40:06,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 23:40:06,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 23:40:06,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aa577dc4c04bf53d7d29751ed362e9afcf94d1db611db106e7ed08797634e47 [2022-07-20 23:40:07,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 23:40:07,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 23:40:07,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 23:40:07,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 23:40:07,231 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 23:40:07,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2022-07-20 23:40:07,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c0ae6089/6dfa78cda86049e99cae5ece602c57aa/FLAG0c4757cfe [2022-07-20 23:40:07,682 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 23:40:07,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2022-07-20 23:40:07,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c0ae6089/6dfa78cda86049e99cae5ece602c57aa/FLAG0c4757cfe [2022-07-20 23:40:08,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c0ae6089/6dfa78cda86049e99cae5ece602c57aa [2022-07-20 23:40:08,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 23:40:08,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 23:40:08,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 23:40:08,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 23:40:08,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 23:40:08,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e1c88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08, skipping insertion in model container [2022-07-20 23:40:08,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 23:40:08,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 23:40:08,209 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/Problem11_label19.c[8142,8155] [2022-07-20 23:40:08,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:40:08,435 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 23:40:08,464 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/Problem11_label19.c[8142,8155] [2022-07-20 23:40:08,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:40:08,565 INFO L208 MainTranslator]: Completed translation [2022-07-20 23:40:08,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08 WrapperNode [2022-07-20 23:40:08,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 23:40:08,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 23:40:08,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 23:40:08,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 23:40:08,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,693 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-20 23:40:08,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 23:40:08,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 23:40:08,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 23:40:08,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 23:40:08,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 23:40:08,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 23:40:08,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 23:40:08,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 23:40:08,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (1/1) ... [2022-07-20 23:40:08,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:40:08,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:40:08,845 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) [2022-07-20 23:40:08,860 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 [2022-07-20 23:40:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 23:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 23:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 23:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 23:40:08,956 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 23:40:08,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 23:40:10,005 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 23:40:10,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 23:40:10,017 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 23:40:10,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:10 BoogieIcfgContainer [2022-07-20 23:40:10,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 23:40:10,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 23:40:10,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 23:40:10,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 23:40:10,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:40:08" (1/3) ... [2022-07-20 23:40:10,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172e3cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:40:10, skipping insertion in model container [2022-07-20 23:40:10,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:08" (2/3) ... [2022-07-20 23:40:10,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172e3cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:40:10, skipping insertion in model container [2022-07-20 23:40:10,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:10" (3/3) ... [2022-07-20 23:40:10,027 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label19.c [2022-07-20 23:40:10,037 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 23:40:10,037 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 23:40:10,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 23:40:10,096 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@514ffc96, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3682d0a4 [2022-07-20 23:40:10,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 23:40:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2022-07-20 23:40:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-20 23:40:10,117 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:10,117 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] [2022-07-20 23:40:10,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:10,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:10,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2022-07-20 23:40:10,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:10,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973892343] [2022-07-20 23:40:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:10,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:10,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:10,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973892343] [2022-07-20 23:40:10,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973892343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:10,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:10,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:10,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117099325] [2022-07-20 23:40:10,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:10,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:10,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:10,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:10,349 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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) [2022-07-20 23:40:11,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:11,216 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-20 23:40:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:11,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 56 [2022-07-20 23:40:11,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:11,227 INFO L225 Difference]: With dead ends: 761 [2022-07-20 23:40:11,227 INFO L226 Difference]: Without dead ends: 413 [2022-07-20 23:40:11,230 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 [2022-07-20 23:40:11,232 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 172 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:11,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 23:40:11,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-20 23:40:11,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-20 23:40:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 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) [2022-07-20 23:40:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-20 23:40:11,275 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 56 [2022-07-20 23:40:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:11,275 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-20 23:40:11,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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) [2022-07-20 23:40:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-20 23:40:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-20 23:40:11,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:11,279 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:11,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 23:40:11,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:11,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:11,280 INFO L85 PathProgramCache]: Analyzing trace with hash 145975082, now seen corresponding path program 1 times [2022-07-20 23:40:11,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:11,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026797110] [2022-07-20 23:40:11,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:11,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:11,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:11,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026797110] [2022-07-20 23:40:11,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026797110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:11,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:11,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:11,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664564767] [2022-07-20 23:40:11,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:11,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:11,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:11,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:11,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:11,416 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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) [2022-07-20 23:40:12,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:12,000 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-20 23:40:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:12,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 124 [2022-07-20 23:40:12,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:12,005 INFO L225 Difference]: With dead ends: 1211 [2022-07-20 23:40:12,005 INFO L226 Difference]: Without dead ends: 800 [2022-07-20 23:40:12,006 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 [2022-07-20 23:40:12,007 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:12,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 118 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:12,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-20 23:40:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-20 23:40:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3756345177664975) internal successors, (1084), 788 states have internal predecessors, (1084), 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) [2022-07-20 23:40:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2022-07-20 23:40:12,049 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 124 [2022-07-20 23:40:12,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:12,050 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2022-07-20 23:40:12,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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) [2022-07-20 23:40:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2022-07-20 23:40:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-20 23:40:12,053 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:12,054 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:12,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 23:40:12,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:12,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:12,055 INFO L85 PathProgramCache]: Analyzing trace with hash -87355732, now seen corresponding path program 1 times [2022-07-20 23:40:12,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:12,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131244053] [2022-07-20 23:40:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:12,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:12,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:12,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131244053] [2022-07-20 23:40:12,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131244053] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:12,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:12,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:12,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824902620] [2022-07-20 23:40:12,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:12,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:12,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:12,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:12,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:12,172 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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) [2022-07-20 23:40:12,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:12,761 INFO L93 Difference]: Finished difference Result 1945 states and 2614 transitions. [2022-07-20 23:40:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:12,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 125 [2022-07-20 23:40:12,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:12,765 INFO L225 Difference]: With dead ends: 1945 [2022-07-20 23:40:12,765 INFO L226 Difference]: Without dead ends: 1158 [2022-07-20 23:40:12,766 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 [2022-07-20 23:40:12,768 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:12,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-20 23:40:12,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-20 23:40:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2716262975778547) internal successors, (1470), 1156 states have internal predecessors, (1470), 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) [2022-07-20 23:40:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1470 transitions. [2022-07-20 23:40:12,785 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1470 transitions. Word has length 125 [2022-07-20 23:40:12,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:12,786 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1470 transitions. [2022-07-20 23:40:12,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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) [2022-07-20 23:40:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1470 transitions. [2022-07-20 23:40:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-20 23:40:12,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:12,790 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:12,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 23:40:12,791 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:12,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:12,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1822006727, now seen corresponding path program 1 times [2022-07-20 23:40:12,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:12,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082592598] [2022-07-20 23:40:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:12,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:12,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:12,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082592598] [2022-07-20 23:40:12,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082592598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:12,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:12,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:12,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153721623] [2022-07-20 23:40:12,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:12,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:12,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:12,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:12,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:12,984 INFO L87 Difference]: Start difference. First operand 1157 states and 1470 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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) [2022-07-20 23:40:13,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:13,529 INFO L93 Difference]: Finished difference Result 2519 states and 3352 transitions. [2022-07-20 23:40:13,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:13,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 183 [2022-07-20 23:40:13,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:13,534 INFO L225 Difference]: With dead ends: 2519 [2022-07-20 23:40:13,534 INFO L226 Difference]: Without dead ends: 1548 [2022-07-20 23:40:13,536 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 [2022-07-20 23:40:13,536 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 179 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:13,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:40:13,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-07-20 23:40:13,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-07-20 23:40:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.294041450777202) internal successors, (1998), 1544 states have internal predecessors, (1998), 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) [2022-07-20 23:40:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1998 transitions. [2022-07-20 23:40:13,557 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1998 transitions. Word has length 183 [2022-07-20 23:40:13,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:13,558 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1998 transitions. [2022-07-20 23:40:13,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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) [2022-07-20 23:40:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1998 transitions. [2022-07-20 23:40:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 23:40:13,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:13,561 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:13,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 23:40:13,561 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:13,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:13,562 INFO L85 PathProgramCache]: Analyzing trace with hash -293129306, now seen corresponding path program 1 times [2022-07-20 23:40:13,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:13,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943223742] [2022-07-20 23:40:13,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:13,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:13,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:13,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943223742] [2022-07-20 23:40:13,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943223742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:13,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:13,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:13,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978032927] [2022-07-20 23:40:13,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:13,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:13,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:13,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:13,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:13,671 INFO L87 Difference]: Start difference. First operand 1545 states and 1998 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2022-07-20 23:40:14,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:14,215 INFO L93 Difference]: Finished difference Result 3656 states and 4826 transitions. [2022-07-20 23:40:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:14,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 236 [2022-07-20 23:40:14,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:14,222 INFO L225 Difference]: With dead ends: 3656 [2022-07-20 23:40:14,222 INFO L226 Difference]: Without dead ends: 2297 [2022-07-20 23:40:14,224 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 [2022-07-20 23:40:14,225 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:14,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:40:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2022-07-20 23:40:14,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2100. [2022-07-20 23:40:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.2706050500238208) internal successors, (2667), 2099 states have internal predecessors, (2667), 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) [2022-07-20 23:40:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2667 transitions. [2022-07-20 23:40:14,253 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2667 transitions. Word has length 236 [2022-07-20 23:40:14,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:14,253 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2667 transitions. [2022-07-20 23:40:14,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2022-07-20 23:40:14,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2667 transitions. [2022-07-20 23:40:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-20 23:40:14,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:14,256 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 23:40:14,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 23:40:14,257 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:14,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash -814689872, now seen corresponding path program 1 times [2022-07-20 23:40:14,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:14,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793569663] [2022-07-20 23:40:14,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:14,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:14,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793569663] [2022-07-20 23:40:14,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793569663] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:14,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:14,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:40:14,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059573982] [2022-07-20 23:40:14,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:14,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:40:14,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:14,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:40:14,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:14,374 INFO L87 Difference]: Start difference. First operand 2100 states and 2667 transitions. Second operand has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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) [2022-07-20 23:40:15,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:15,416 INFO L93 Difference]: Finished difference Result 6988 states and 9014 transitions. [2022-07-20 23:40:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:40:15,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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 237 [2022-07-20 23:40:15,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:15,429 INFO L225 Difference]: With dead ends: 6988 [2022-07-20 23:40:15,429 INFO L226 Difference]: Without dead ends: 4890 [2022-07-20 23:40:15,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:15,433 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 323 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:15,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 71 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 23:40:15,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2022-07-20 23:40:15,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 4690. [2022-07-20 23:40:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4690 states, 4689 states have (on average 1.2518660695244188) internal successors, (5870), 4689 states have internal predecessors, (5870), 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) [2022-07-20 23:40:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4690 states to 4690 states and 5870 transitions. [2022-07-20 23:40:15,519 INFO L78 Accepts]: Start accepts. Automaton has 4690 states and 5870 transitions. Word has length 237 [2022-07-20 23:40:15,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:15,520 INFO L495 AbstractCegarLoop]: Abstraction has 4690 states and 5870 transitions. [2022-07-20 23:40:15,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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) [2022-07-20 23:40:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 4690 states and 5870 transitions. [2022-07-20 23:40:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-20 23:40:15,523 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:15,523 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 23:40:15,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 23:40:15,523 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash 298488641, now seen corresponding path program 1 times [2022-07-20 23:40:15,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:15,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527709209] [2022-07-20 23:40:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:15,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-20 23:40:15,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:15,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527709209] [2022-07-20 23:40:15,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527709209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:15,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:15,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:15,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772421596] [2022-07-20 23:40:15,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:15,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:15,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:15,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:15,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:15,627 INFO L87 Difference]: Start difference. First operand 4690 states and 5870 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:16,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:16,208 INFO L93 Difference]: Finished difference Result 10496 states and 13349 transitions. [2022-07-20 23:40:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:16,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 238 [2022-07-20 23:40:16,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:16,226 INFO L225 Difference]: With dead ends: 10496 [2022-07-20 23:40:16,226 INFO L226 Difference]: Without dead ends: 6176 [2022-07-20 23:40:16,231 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 [2022-07-20 23:40:16,232 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 141 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:16,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 371 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:40:16,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2022-07-20 23:40:16,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 5978. [2022-07-20 23:40:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5978 states, 5977 states have (on average 1.2297139032959679) internal successors, (7350), 5977 states have internal predecessors, (7350), 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) [2022-07-20 23:40:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5978 states to 5978 states and 7350 transitions. [2022-07-20 23:40:16,339 INFO L78 Accepts]: Start accepts. Automaton has 5978 states and 7350 transitions. Word has length 238 [2022-07-20 23:40:16,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:16,339 INFO L495 AbstractCegarLoop]: Abstraction has 5978 states and 7350 transitions. [2022-07-20 23:40:16,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5978 states and 7350 transitions. [2022-07-20 23:40:16,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-20 23:40:16,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:16,343 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 23:40:16,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 23:40:16,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:16,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:16,344 INFO L85 PathProgramCache]: Analyzing trace with hash -70460415, now seen corresponding path program 1 times [2022-07-20 23:40:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:16,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6192892] [2022-07-20 23:40:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-20 23:40:16,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:16,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6192892] [2022-07-20 23:40:16,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6192892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:16,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:16,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:16,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005233868] [2022-07-20 23:40:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:16,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:16,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:16,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:16,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:16,418 INFO L87 Difference]: Start difference. First operand 5978 states and 7350 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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) [2022-07-20 23:40:17,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:17,057 INFO L93 Difference]: Finished difference Result 14181 states and 17519 transitions. [2022-07-20 23:40:17,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:17,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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 248 [2022-07-20 23:40:17,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:17,080 INFO L225 Difference]: With dead ends: 14181 [2022-07-20 23:40:17,080 INFO L226 Difference]: Without dead ends: 8573 [2022-07-20 23:40:17,084 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 [2022-07-20 23:40:17,084 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 163 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:17,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 330 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:40:17,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8573 states. [2022-07-20 23:40:17,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8573 to 8017. [2022-07-20 23:40:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8017 states, 8016 states have (on average 1.2169411177644711) internal successors, (9755), 8016 states have internal predecessors, (9755), 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) [2022-07-20 23:40:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8017 states to 8017 states and 9755 transitions. [2022-07-20 23:40:17,192 INFO L78 Accepts]: Start accepts. Automaton has 8017 states and 9755 transitions. Word has length 248 [2022-07-20 23:40:17,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:17,193 INFO L495 AbstractCegarLoop]: Abstraction has 8017 states and 9755 transitions. [2022-07-20 23:40:17,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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) [2022-07-20 23:40:17,193 INFO L276 IsEmpty]: Start isEmpty. Operand 8017 states and 9755 transitions. [2022-07-20 23:40:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-20 23:40:17,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:17,197 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:40:17,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 23:40:17,197 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:17,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:17,198 INFO L85 PathProgramCache]: Analyzing trace with hash 2090947407, now seen corresponding path program 1 times [2022-07-20 23:40:17,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:17,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508704228] [2022-07-20 23:40:17,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:17,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-20 23:40:17,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:17,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508704228] [2022-07-20 23:40:17,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508704228] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:17,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:17,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:17,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636069856] [2022-07-20 23:40:17,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:17,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:17,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:17,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:17,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:17,272 INFO L87 Difference]: Start difference. First operand 8017 states and 9755 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:17,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:17,867 INFO L93 Difference]: Finished difference Result 17345 states and 21233 transitions. [2022-07-20 23:40:17,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:17,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-07-20 23:40:17,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:17,887 INFO L225 Difference]: With dead ends: 17345 [2022-07-20 23:40:17,887 INFO L226 Difference]: Without dead ends: 9698 [2022-07-20 23:40:17,896 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 [2022-07-20 23:40:17,897 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 146 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:17,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 199 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:40:17,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9698 states. [2022-07-20 23:40:17,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9698 to 9304. [2022-07-20 23:40:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9304 states, 9303 states have (on average 1.2159518434913468) internal successors, (11312), 9303 states have internal predecessors, (11312), 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) [2022-07-20 23:40:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9304 states to 9304 states and 11312 transitions. [2022-07-20 23:40:18,029 INFO L78 Accepts]: Start accepts. Automaton has 9304 states and 11312 transitions. Word has length 258 [2022-07-20 23:40:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:18,032 INFO L495 AbstractCegarLoop]: Abstraction has 9304 states and 11312 transitions. [2022-07-20 23:40:18,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 9304 states and 11312 transitions. [2022-07-20 23:40:18,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-20 23:40:18,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:18,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 23:40:18,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 23:40:18,037 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:18,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:18,041 INFO L85 PathProgramCache]: Analyzing trace with hash 973039469, now seen corresponding path program 1 times [2022-07-20 23:40:18,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:18,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55129494] [2022-07-20 23:40:18,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:18,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 23:40:18,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:18,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55129494] [2022-07-20 23:40:18,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55129494] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:18,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:18,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:18,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819193974] [2022-07-20 23:40:18,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:18,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:18,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:18,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:18,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:18,115 INFO L87 Difference]: Start difference. First operand 9304 states and 11312 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:18,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:18,627 INFO L93 Difference]: Finished difference Result 18205 states and 22188 transitions. [2022-07-20 23:40:18,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:18,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 259 [2022-07-20 23:40:18,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:18,698 INFO L225 Difference]: With dead ends: 18205 [2022-07-20 23:40:18,698 INFO L226 Difference]: Without dead ends: 9271 [2022-07-20 23:40:18,702 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 [2022-07-20 23:40:18,705 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 114 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:18,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 150 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:40:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9271 states. [2022-07-20 23:40:18,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9271 to 9086. [2022-07-20 23:40:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9086 states, 9085 states have (on average 1.1512383048981838) internal successors, (10459), 9085 states have internal predecessors, (10459), 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) [2022-07-20 23:40:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9086 states to 9086 states and 10459 transitions. [2022-07-20 23:40:18,907 INFO L78 Accepts]: Start accepts. Automaton has 9086 states and 10459 transitions. Word has length 259 [2022-07-20 23:40:18,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:18,907 INFO L495 AbstractCegarLoop]: Abstraction has 9086 states and 10459 transitions. [2022-07-20 23:40:18,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 9086 states and 10459 transitions. [2022-07-20 23:40:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-07-20 23:40:18,924 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:18,925 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:40:18,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 23:40:18,925 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:18,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:18,926 INFO L85 PathProgramCache]: Analyzing trace with hash 585798969, now seen corresponding path program 1 times [2022-07-20 23:40:18,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:18,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999847437] [2022-07-20 23:40:18,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:18,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-20 23:40:19,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:19,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999847437] [2022-07-20 23:40:19,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999847437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:19,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:19,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:19,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970255825] [2022-07-20 23:40:19,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:19,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:19,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:19,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:19,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:19,111 INFO L87 Difference]: Start difference. First operand 9086 states and 10459 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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) [2022-07-20 23:40:19,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:19,763 INFO L93 Difference]: Finished difference Result 18358 states and 21126 transitions. [2022-07-20 23:40:19,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:19,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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 289 [2022-07-20 23:40:19,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:19,776 INFO L225 Difference]: With dead ends: 18358 [2022-07-20 23:40:19,776 INFO L226 Difference]: Without dead ends: 9458 [2022-07-20 23:40:19,829 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 [2022-07-20 23:40:19,830 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 145 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:19,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 374 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:19,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9458 states. [2022-07-20 23:40:19,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9458 to 9453. [2022-07-20 23:40:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9453 states, 9452 states have (on average 1.1241007194244603) internal successors, (10625), 9452 states have internal predecessors, (10625), 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) [2022-07-20 23:40:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9453 states to 9453 states and 10625 transitions. [2022-07-20 23:40:19,912 INFO L78 Accepts]: Start accepts. Automaton has 9453 states and 10625 transitions. Word has length 289 [2022-07-20 23:40:19,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:19,912 INFO L495 AbstractCegarLoop]: Abstraction has 9453 states and 10625 transitions. [2022-07-20 23:40:19,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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) [2022-07-20 23:40:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 9453 states and 10625 transitions. [2022-07-20 23:40:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-20 23:40:19,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:19,919 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:19,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 23:40:19,919 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:19,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:19,920 INFO L85 PathProgramCache]: Analyzing trace with hash 844810203, now seen corresponding path program 1 times [2022-07-20 23:40:19,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:19,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417784310] [2022-07-20 23:40:19,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:19,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 23:40:20,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:20,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417784310] [2022-07-20 23:40:20,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417784310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:20,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:20,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:20,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672889672] [2022-07-20 23:40:20,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:20,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:20,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:20,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:20,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:20,013 INFO L87 Difference]: Start difference. First operand 9453 states and 10625 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2022-07-20 23:40:20,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:20,611 INFO L93 Difference]: Finished difference Result 21307 states and 24061 transitions. [2022-07-20 23:40:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:20,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 319 [2022-07-20 23:40:20,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:20,630 INFO L225 Difference]: With dead ends: 21307 [2022-07-20 23:40:20,630 INFO L226 Difference]: Without dead ends: 12224 [2022-07-20 23:40:20,640 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 [2022-07-20 23:40:20,641 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 141 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:20,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 124 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:40:20,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12224 states. [2022-07-20 23:40:20,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12224 to 12222. [2022-07-20 23:40:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12222 states, 12221 states have (on average 1.116111611161116) internal successors, (13640), 12221 states have internal predecessors, (13640), 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) [2022-07-20 23:40:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12222 states to 12222 states and 13640 transitions. [2022-07-20 23:40:20,769 INFO L78 Accepts]: Start accepts. Automaton has 12222 states and 13640 transitions. Word has length 319 [2022-07-20 23:40:20,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:20,769 INFO L495 AbstractCegarLoop]: Abstraction has 12222 states and 13640 transitions. [2022-07-20 23:40:20,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2022-07-20 23:40:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 12222 states and 13640 transitions. [2022-07-20 23:40:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-20 23:40:20,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:20,777 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:20,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 23:40:20,777 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:20,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:20,778 INFO L85 PathProgramCache]: Analyzing trace with hash -235094284, now seen corresponding path program 1 times [2022-07-20 23:40:20,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:20,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188320203] [2022-07-20 23:40:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:20,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 242 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:20,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:20,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188320203] [2022-07-20 23:40:20,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188320203] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:40:20,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484441734] [2022-07-20 23:40:20,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:20,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:40:20,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:40:20,947 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) [2022-07-20 23:40:20,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 23:40:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:21,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 23:40:21,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:40:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-20 23:40:21,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:40:21,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484441734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:21,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:40:21,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-20 23:40:21,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532793883] [2022-07-20 23:40:21,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:21,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:21,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:21,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:21,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:40:21,413 INFO L87 Difference]: Start difference. First operand 12222 states and 13640 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2022-07-20 23:40:22,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:22,016 INFO L93 Difference]: Finished difference Result 25383 states and 28427 transitions. [2022-07-20 23:40:22,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:22,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 329 [2022-07-20 23:40:22,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:22,035 INFO L225 Difference]: With dead ends: 25383 [2022-07-20 23:40:22,035 INFO L226 Difference]: Without dead ends: 13531 [2022-07-20 23:40:22,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:40:22,047 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 137 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:22,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 342 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:40:22,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13531 states. [2022-07-20 23:40:22,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13531 to 13522. [2022-07-20 23:40:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13522 states, 13521 states have (on average 1.1178167295318393) internal successors, (15114), 13521 states have internal predecessors, (15114), 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) [2022-07-20 23:40:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13522 states to 13522 states and 15114 transitions. [2022-07-20 23:40:22,191 INFO L78 Accepts]: Start accepts. Automaton has 13522 states and 15114 transitions. Word has length 329 [2022-07-20 23:40:22,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:22,192 INFO L495 AbstractCegarLoop]: Abstraction has 13522 states and 15114 transitions. [2022-07-20 23:40:22,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2022-07-20 23:40:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 13522 states and 15114 transitions. [2022-07-20 23:40:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-20 23:40:22,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:22,201 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:40:22,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-20 23:40:22,419 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,SelfDestructingSolverStorable12 [2022-07-20 23:40:22,420 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:22,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:22,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2086914279, now seen corresponding path program 1 times [2022-07-20 23:40:22,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:22,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826619543] [2022-07-20 23:40:22,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:22,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-20 23:40:22,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:22,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826619543] [2022-07-20 23:40:22,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826619543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:22,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:22,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:22,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953829314] [2022-07-20 23:40:22,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:22,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:22,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:22,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:22,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:22,543 INFO L87 Difference]: Start difference. First operand 13522 states and 15114 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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) [2022-07-20 23:40:22,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:22,920 INFO L93 Difference]: Finished difference Result 26663 states and 29835 transitions. [2022-07-20 23:40:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:22,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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 338 [2022-07-20 23:40:22,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:22,935 INFO L225 Difference]: With dead ends: 26663 [2022-07-20 23:40:22,935 INFO L226 Difference]: Without dead ends: 13511 [2022-07-20 23:40:22,943 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 [2022-07-20 23:40:22,944 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:22,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 23:40:22,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13511 states. [2022-07-20 23:40:23,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13511 to 13506. [2022-07-20 23:40:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13506 states, 13505 states have (on average 1.117067752684191) internal successors, (15086), 13505 states have internal predecessors, (15086), 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) [2022-07-20 23:40:23,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13506 states to 13506 states and 15086 transitions. [2022-07-20 23:40:23,076 INFO L78 Accepts]: Start accepts. Automaton has 13506 states and 15086 transitions. Word has length 338 [2022-07-20 23:40:23,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:23,076 INFO L495 AbstractCegarLoop]: Abstraction has 13506 states and 15086 transitions. [2022-07-20 23:40:23,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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) [2022-07-20 23:40:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 13506 states and 15086 transitions. [2022-07-20 23:40:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-07-20 23:40:23,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:23,084 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:23,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 23:40:23,084 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:23,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:23,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1537666383, now seen corresponding path program 1 times [2022-07-20 23:40:23,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:23,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116691427] [2022-07-20 23:40:23,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:23,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 23:40:23,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:23,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116691427] [2022-07-20 23:40:23,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116691427] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:23,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:23,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:23,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382394343] [2022-07-20 23:40:23,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:23,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:40:23,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:23,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:40:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:23,192 INFO L87 Difference]: Start difference. First operand 13506 states and 15086 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-07-20 23:40:24,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:24,189 INFO L93 Difference]: Finished difference Result 28862 states and 32245 transitions. [2022-07-20 23:40:24,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:40:24,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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 350 [2022-07-20 23:40:24,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:24,208 INFO L225 Difference]: With dead ends: 28862 [2022-07-20 23:40:24,208 INFO L226 Difference]: Without dead ends: 15726 [2022-07-20 23:40:24,216 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 [2022-07-20 23:40:24,216 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 216 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:24,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 138 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 23:40:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15726 states. [2022-07-20 23:40:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15726 to 15718. [2022-07-20 23:40:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15718 states, 15717 states have (on average 1.1105172742889864) internal successors, (17454), 15717 states have internal predecessors, (17454), 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) [2022-07-20 23:40:24,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15718 states to 15718 states and 17454 transitions. [2022-07-20 23:40:24,365 INFO L78 Accepts]: Start accepts. Automaton has 15718 states and 17454 transitions. Word has length 350 [2022-07-20 23:40:24,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:24,366 INFO L495 AbstractCegarLoop]: Abstraction has 15718 states and 17454 transitions. [2022-07-20 23:40:24,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-07-20 23:40:24,366 INFO L276 IsEmpty]: Start isEmpty. Operand 15718 states and 17454 transitions. [2022-07-20 23:40:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-20 23:40:24,373 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:24,373 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:24,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 23:40:24,374 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:24,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:24,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1164252215, now seen corresponding path program 1 times [2022-07-20 23:40:24,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:24,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130740837] [2022-07-20 23:40:24,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:24,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-07-20 23:40:24,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:24,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130740837] [2022-07-20 23:40:24,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130740837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:24,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:24,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:40:24,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56284100] [2022-07-20 23:40:24,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:24,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:40:24,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:24,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:40:24,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:24,485 INFO L87 Difference]: Start difference. First operand 15718 states and 17454 transitions. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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) [2022-07-20 23:40:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:25,499 INFO L93 Difference]: Finished difference Result 32359 states and 35959 transitions. [2022-07-20 23:40:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:40:25,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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 363 [2022-07-20 23:40:25,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:25,518 INFO L225 Difference]: With dead ends: 32359 [2022-07-20 23:40:25,518 INFO L226 Difference]: Without dead ends: 17011 [2022-07-20 23:40:25,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:25,528 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 308 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:25,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 136 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 23:40:25,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17011 states. [2022-07-20 23:40:25,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17011 to 16270. [2022-07-20 23:40:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16270 states, 16269 states have (on average 1.108980269223677) internal successors, (18042), 16269 states have internal predecessors, (18042), 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) [2022-07-20 23:40:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16270 states to 16270 states and 18042 transitions. [2022-07-20 23:40:25,693 INFO L78 Accepts]: Start accepts. Automaton has 16270 states and 18042 transitions. Word has length 363 [2022-07-20 23:40:25,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:25,693 INFO L495 AbstractCegarLoop]: Abstraction has 16270 states and 18042 transitions. [2022-07-20 23:40:25,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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) [2022-07-20 23:40:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 16270 states and 18042 transitions. [2022-07-20 23:40:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-20 23:40:25,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:25,702 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:25,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 23:40:25,703 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:25,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:25,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1462969262, now seen corresponding path program 1 times [2022-07-20 23:40:25,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:25,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47988518] [2022-07-20 23:40:25,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-20 23:40:25,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:25,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47988518] [2022-07-20 23:40:25,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47988518] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:25,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:25,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:25,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928446675] [2022-07-20 23:40:25,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:25,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:40:25,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:25,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:40:25,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:25,864 INFO L87 Difference]: Start difference. First operand 16270 states and 18042 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-07-20 23:40:26,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:26,888 INFO L93 Difference]: Finished difference Result 43057 states and 47697 transitions. [2022-07-20 23:40:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:40:26,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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 377 [2022-07-20 23:40:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:26,918 INFO L225 Difference]: With dead ends: 43057 [2022-07-20 23:40:26,918 INFO L226 Difference]: Without dead ends: 26233 [2022-07-20 23:40:26,932 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 [2022-07-20 23:40:26,932 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 225 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:26,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 69 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 23:40:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26233 states. [2022-07-20 23:40:27,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26233 to 24940. [2022-07-20 23:40:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24940 states, 24939 states have (on average 1.1017282168491118) internal successors, (27476), 24939 states have internal predecessors, (27476), 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) [2022-07-20 23:40:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24940 states to 24940 states and 27476 transitions. [2022-07-20 23:40:27,230 INFO L78 Accepts]: Start accepts. Automaton has 24940 states and 27476 transitions. Word has length 377 [2022-07-20 23:40:27,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:27,230 INFO L495 AbstractCegarLoop]: Abstraction has 24940 states and 27476 transitions. [2022-07-20 23:40:27,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-07-20 23:40:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand 24940 states and 27476 transitions. [2022-07-20 23:40:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-20 23:40:27,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:27,242 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:27,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 23:40:27,242 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:27,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:27,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1797707710, now seen corresponding path program 1 times [2022-07-20 23:40:27,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:27,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531409885] [2022-07-20 23:40:27,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:27,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-07-20 23:40:27,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:27,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531409885] [2022-07-20 23:40:27,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531409885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:27,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:27,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:27,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76946209] [2022-07-20 23:40:27,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:27,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:27,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:27,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:27,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:27,348 INFO L87 Difference]: Start difference. First operand 24940 states and 27476 transitions. Second operand has 3 states, 3 states have (on average 69.0) 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) [2022-07-20 23:40:27,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:27,954 INFO L93 Difference]: Finished difference Result 28806 states and 31708 transitions. [2022-07-20 23:40:27,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:27,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) 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 408 [2022-07-20 23:40:27,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:27,986 INFO L225 Difference]: With dead ends: 28806 [2022-07-20 23:40:27,986 INFO L226 Difference]: Without dead ends: 28804 [2022-07-20 23:40:27,995 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 [2022-07-20 23:40:27,995 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 166 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:27,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 132 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:40:28,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28804 states. [2022-07-20 23:40:28,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28804 to 25308. [2022-07-20 23:40:28,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25308 states, 25307 states have (on average 1.1021851661595605) internal successors, (27893), 25307 states have internal predecessors, (27893), 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) [2022-07-20 23:40:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25308 states to 25308 states and 27893 transitions. [2022-07-20 23:40:28,259 INFO L78 Accepts]: Start accepts. Automaton has 25308 states and 27893 transitions. Word has length 408 [2022-07-20 23:40:28,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:28,260 INFO L495 AbstractCegarLoop]: Abstraction has 25308 states and 27893 transitions. [2022-07-20 23:40:28,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) 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) [2022-07-20 23:40:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 25308 states and 27893 transitions. [2022-07-20 23:40:28,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-07-20 23:40:28,272 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:28,272 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:28,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 23:40:28,272 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:28,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:28,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1512001580, now seen corresponding path program 1 times [2022-07-20 23:40:28,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:28,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875394679] [2022-07-20 23:40:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:28,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 23:40:28,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:28,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875394679] [2022-07-20 23:40:28,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875394679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:28,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:28,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:28,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243438480] [2022-07-20 23:40:28,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:28,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:28,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:28,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:28,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:28,420 INFO L87 Difference]: Start difference. First operand 25308 states and 27893 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2022-07-20 23:40:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:29,183 INFO L93 Difference]: Finished difference Result 54667 states and 60218 transitions. [2022-07-20 23:40:29,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:29,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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 419 [2022-07-20 23:40:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:29,215 INFO L225 Difference]: With dead ends: 54667 [2022-07-20 23:40:29,215 INFO L226 Difference]: Without dead ends: 29913 [2022-07-20 23:40:29,231 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 [2022-07-20 23:40:29,231 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 111 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:29,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 68 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:29,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29913 states. [2022-07-20 23:40:29,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29913 to 29724. [2022-07-20 23:40:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29724 states, 29723 states have (on average 1.0919489957272146) internal successors, (32456), 29723 states have internal predecessors, (32456), 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) [2022-07-20 23:40:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29724 states to 29724 states and 32456 transitions. [2022-07-20 23:40:29,531 INFO L78 Accepts]: Start accepts. Automaton has 29724 states and 32456 transitions. Word has length 419 [2022-07-20 23:40:29,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:29,532 INFO L495 AbstractCegarLoop]: Abstraction has 29724 states and 32456 transitions. [2022-07-20 23:40:29,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2022-07-20 23:40:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29724 states and 32456 transitions. [2022-07-20 23:40:29,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-07-20 23:40:29,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:29,542 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 23:40:29,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 23:40:29,542 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:29,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:29,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1594395410, now seen corresponding path program 1 times [2022-07-20 23:40:29,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:29,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106021218] [2022-07-20 23:40:29,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:29,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 23:40:29,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:29,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106021218] [2022-07-20 23:40:29,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106021218] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:29,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:29,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:40:29,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790954351] [2022-07-20 23:40:29,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:29,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:40:29,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:29,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:40:29,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:29,705 INFO L87 Difference]: Start difference. First operand 29724 states and 32456 transitions. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 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) [2022-07-20 23:40:30,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:30,741 INFO L93 Difference]: Finished difference Result 63687 states and 69564 transitions. [2022-07-20 23:40:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:40:30,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 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 427 [2022-07-20 23:40:30,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:30,778 INFO L225 Difference]: With dead ends: 63687 [2022-07-20 23:40:30,778 INFO L226 Difference]: Without dead ends: 34701 [2022-07-20 23:40:30,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:30,798 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 266 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:30,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 85 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 23:40:30,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34701 states. [2022-07-20 23:40:31,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34701 to 30831. [2022-07-20 23:40:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30831 states, 30830 states have (on average 1.0880960103795005) internal successors, (33546), 30830 states have internal predecessors, (33546), 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) [2022-07-20 23:40:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30831 states to 30831 states and 33546 transitions. [2022-07-20 23:40:31,275 INFO L78 Accepts]: Start accepts. Automaton has 30831 states and 33546 transitions. Word has length 427 [2022-07-20 23:40:31,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:31,275 INFO L495 AbstractCegarLoop]: Abstraction has 30831 states and 33546 transitions. [2022-07-20 23:40:31,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 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) [2022-07-20 23:40:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 30831 states and 33546 transitions. [2022-07-20 23:40:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-20 23:40:31,287 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:31,287 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 23:40:31,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 23:40:31,287 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:31,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:31,288 INFO L85 PathProgramCache]: Analyzing trace with hash 974136964, now seen corresponding path program 1 times [2022-07-20 23:40:31,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:31,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438867669] [2022-07-20 23:40:31,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:31,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:31,437 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 249 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:31,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:31,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438867669] [2022-07-20 23:40:31,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438867669] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:40:31,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343595502] [2022-07-20 23:40:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:31,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:40:31,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:40:31,439 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) [2022-07-20 23:40:31,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 23:40:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:31,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 23:40:31,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:40:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 230 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:32,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 23:40:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 303 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:33,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343595502] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 23:40:33,805 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 23:40:33,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2022-07-20 23:40:33,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088408750] [2022-07-20 23:40:33,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 23:40:33,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 23:40:33,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:33,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 23:40:33,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-20 23:40:33,808 INFO L87 Difference]: Start difference. First operand 30831 states and 33546 transitions. Second operand has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 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) [2022-07-20 23:40:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:39,295 INFO L93 Difference]: Finished difference Result 76957 states and 83699 transitions. [2022-07-20 23:40:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-20 23:40:39,295 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 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 430 [2022-07-20 23:40:39,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:39,345 INFO L225 Difference]: With dead ends: 76957 [2022-07-20 23:40:39,345 INFO L226 Difference]: Without dead ends: 46312 [2022-07-20 23:40:39,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 881 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2022-07-20 23:40:39,366 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 3001 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 6428 mSolverCounterSat, 1721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3001 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 8149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1721 IncrementalHoareTripleChecker+Valid, 6428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:39,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3001 Valid, 240 Invalid, 8149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1721 Valid, 6428 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-20 23:40:39,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46312 states. [2022-07-20 23:40:39,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46312 to 29359. [2022-07-20 23:40:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29359 states, 29358 states have (on average 1.077287281149942) internal successors, (31627), 29358 states have internal predecessors, (31627), 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) [2022-07-20 23:40:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29359 states to 29359 states and 31627 transitions. [2022-07-20 23:40:39,838 INFO L78 Accepts]: Start accepts. Automaton has 29359 states and 31627 transitions. Word has length 430 [2022-07-20 23:40:39,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:39,838 INFO L495 AbstractCegarLoop]: Abstraction has 29359 states and 31627 transitions. [2022-07-20 23:40:39,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 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) [2022-07-20 23:40:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 29359 states and 31627 transitions. [2022-07-20 23:40:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-20 23:40:39,846 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:39,846 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:39,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 23:40:40,063 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,SelfDestructingSolverStorable20 [2022-07-20 23:40:40,064 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:40,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:40,064 INFO L85 PathProgramCache]: Analyzing trace with hash -742651351, now seen corresponding path program 1 times [2022-07-20 23:40:40,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:40,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822664340] [2022-07-20 23:40:40,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:40,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-20 23:40:40,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:40,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822664340] [2022-07-20 23:40:40,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822664340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:40,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:40,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:40,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728309595] [2022-07-20 23:40:40,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:40,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:40,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:40,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:40,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:40,177 INFO L87 Difference]: Start difference. First operand 29359 states and 31627 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-07-20 23:40:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:40,807 INFO L93 Difference]: Finished difference Result 34145 states and 36690 transitions. [2022-07-20 23:40:40,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:40,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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 444 [2022-07-20 23:40:40,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:40,843 INFO L225 Difference]: With dead ends: 34145 [2022-07-20 23:40:40,843 INFO L226 Difference]: Without dead ends: 34143 [2022-07-20 23:40:40,852 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 [2022-07-20 23:40:40,853 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 168 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:40,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 131 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:40:40,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34143 states. [2022-07-20 23:40:41,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34143 to 28991. [2022-07-20 23:40:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28991 states, 28990 states have (on average 1.0777854432562952) internal successors, (31245), 28990 states have internal predecessors, (31245), 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) [2022-07-20 23:40:41,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28991 states to 28991 states and 31245 transitions. [2022-07-20 23:40:41,170 INFO L78 Accepts]: Start accepts. Automaton has 28991 states and 31245 transitions. Word has length 444 [2022-07-20 23:40:41,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:41,170 INFO L495 AbstractCegarLoop]: Abstraction has 28991 states and 31245 transitions. [2022-07-20 23:40:41,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-07-20 23:40:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 28991 states and 31245 transitions. [2022-07-20 23:40:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-20 23:40:41,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:41,181 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2022-07-20 23:40:41,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-20 23:40:41,181 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:41,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1644491105, now seen corresponding path program 1 times [2022-07-20 23:40:41,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:41,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533436324] [2022-07-20 23:40:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:41,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 23:40:41,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:41,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533436324] [2022-07-20 23:40:41,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533436324] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:40:41,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477033255] [2022-07-20 23:40:41,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:41,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:40:41,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:40:41,421 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) [2022-07-20 23:40:41,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 23:40:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:41,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-20 23:40:41,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:40:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 23:40:42,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 23:40:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 23:40:44,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477033255] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 23:40:44,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 23:40:44,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-07-20 23:40:44,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863335752] [2022-07-20 23:40:44,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 23:40:44,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 23:40:44,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:44,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 23:40:44,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-07-20 23:40:44,104 INFO L87 Difference]: Start difference. First operand 28991 states and 31245 transitions. Second operand has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 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) [2022-07-20 23:40:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:47,883 INFO L93 Difference]: Finished difference Result 61015 states and 65618 transitions. [2022-07-20 23:40:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-20 23:40:47,883 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 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 505 [2022-07-20 23:40:47,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:47,917 INFO L225 Difference]: With dead ends: 61015 [2022-07-20 23:40:47,917 INFO L226 Difference]: Without dead ends: 32394 [2022-07-20 23:40:47,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1032 GetRequests, 1002 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=536, Unknown=0, NotChecked=0, Total=812 [2022-07-20 23:40:47,937 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3010 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 3946 mSolverCounterSat, 1685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 5631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1685 IncrementalHoareTripleChecker+Valid, 3946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:47,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 105 Invalid, 5631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1685 Valid, 3946 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-20 23:40:47,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32394 states. [2022-07-20 23:40:48,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32394 to 18833. [2022-07-20 23:40:48,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18833 states, 18832 states have (on average 1.0752973661852168) internal successors, (20250), 18832 states have internal predecessors, (20250), 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) [2022-07-20 23:40:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18833 states to 18833 states and 20250 transitions. [2022-07-20 23:40:48,298 INFO L78 Accepts]: Start accepts. Automaton has 18833 states and 20250 transitions. Word has length 505 [2022-07-20 23:40:48,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:48,299 INFO L495 AbstractCegarLoop]: Abstraction has 18833 states and 20250 transitions. [2022-07-20 23:40:48,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 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) [2022-07-20 23:40:48,299 INFO L276 IsEmpty]: Start isEmpty. Operand 18833 states and 20250 transitions. [2022-07-20 23:40:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2022-07-20 23:40:48,309 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:48,309 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:40:48,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 23:40:48,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:40:48,527 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:48,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:48,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1592139152, now seen corresponding path program 1 times [2022-07-20 23:40:48,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:48,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837619427] [2022-07-20 23:40:48,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:48,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 410 proven. 206 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-20 23:40:48,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:48,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837619427] [2022-07-20 23:40:48,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837619427] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:40:48,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075389039] [2022-07-20 23:40:48,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:48,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:40:48,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:40:48,736 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) [2022-07-20 23:40:48,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 23:40:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:48,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 23:40:48,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:40:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 356 proven. 260 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-20 23:40:50,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 23:40:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 547 proven. 69 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-20 23:40:52,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075389039] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 23:40:52,211 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 23:40:52,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-07-20 23:40:52,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61069995] [2022-07-20 23:40:52,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 23:40:52,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 23:40:52,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:52,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 23:40:52,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-07-20 23:40:52,213 INFO L87 Difference]: Start difference. First operand 18833 states and 20250 transitions. Second operand has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 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) [2022-07-20 23:40:55,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:55,497 INFO L93 Difference]: Finished difference Result 47624 states and 51281 transitions. [2022-07-20 23:40:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 23:40:55,498 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 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 541 [2022-07-20 23:40:55,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:55,499 INFO L225 Difference]: With dead ends: 47624 [2022-07-20 23:40:55,499 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 23:40:55,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1085 GetRequests, 1076 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-07-20 23:40:55,515 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 1037 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4425 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 4972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 4425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:55,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 167 Invalid, 4972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 4425 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-20 23:40:55,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 23:40:55,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 23:40:55,516 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) [2022-07-20 23:40:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 23:40:55,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 541 [2022-07-20 23:40:55,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:55,516 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 23:40:55,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 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) [2022-07-20 23:40:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 23:40:55,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 23:40:55,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 23:40:55,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 23:40:55,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:40:55,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-20 23:41:03,916 WARN L233 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 935 DAG size of output: 888 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-20 23:41:11,850 WARN L233 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 932 DAG size of output: 888 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-20 23:41:17,424 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 884 DAG size of output: 173 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-20 23:41:22,929 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 884 DAG size of output: 173 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,933 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,934 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-20 23:41:22,935 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-20 23:41:22,936 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-20 23:41:22,936 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,936 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,936 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,936 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse32 (div (+ (* ~a29~0 3) (- 554771)) 5))) (let ((.cse18 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse6 (= ~a8~0 15)) (.cse0 (= ~a25~0 12)) (.cse25 (= ~a25~0 13)) (.cse31 (div (+ 25350 .cse32) 5)) (.cse23 (< 0 (+ ~a23~0 43))) (.cse2 (<= 141 ~a29~0))) (let ((.cse5 (<= 312 ~a23~0)) (.cse20 (< (+ ~a29~0 21) 0)) (.cse19 (<= ~a29~0 220)) (.cse8 (or .cse23 .cse2 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)))) (.cse9 (or (< 0 (+ 110739 .cse31)) (not (= (mod .cse32 5) 0)))) (.cse10 (< 0 (+ .cse31 110740))) (.cse11 (= ~a4~0 0)) (.cse26 (< ~a29~0 599999)) (.cse28 (<= ~a29~0 277)) (.cse27 (not .cse25)) (.cse30 (not .cse0)) (.cse29 (or (and .cse18 .cse4 (<= 115637 ~a29~0) .cse6) (and .cse4 .cse6 (<= 115953 ~a29~0)))) (.cse15 (<= 260 ~a29~0)) (.cse14 (<= 173 ~a23~0)) (.cse12 (<= ~a23~0 312)) (.cse17 (<= 141 ~a23~0)) (.cse16 (<= ~a29~0 275)) (.cse22 (<= 245 ~a29~0)) (.cse21 (<= (+ 119992 ~a23~0) 0)) (.cse7 (= ~a25~0 10)) (.cse13 (= ~a25~0 11)) (.cse1 (<= ~a29~0 274)) (.cse3 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse13 .cse3 .cse12 .cse6) (and .cse13 .cse14 .cse3 .cse4 (<= 0 (+ ~a29~0 554195)) .cse12 .cse6) (and .cse15 .cse16 .cse0 .cse11 .cse3 .cse6) (and .cse15 .cse13 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse9 .cse10 .cse11 .cse18 .cse3 .cse19 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse6 .cse7) (and .cse15 .cse11 .cse18 .cse3 .cse12 .cse6) (and .cse9 .cse10 (or (and .cse18 .cse14 .cse4 .cse12) (and .cse4 .cse7)) .cse3 .cse6) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6 .cse20) (and .cse13 .cse21 .cse4 .cse6 .cse22) (and .cse9 .cse10 .cse11 .cse3 .cse19 .cse6 .cse7) (and .cse0 .cse9 .cse10 .cse11 (<= (+ ~a29~0 580291) 0) .cse23 .cse3 .cse6 (let ((.cse24 (mod ~a29~0 15))) (or (< 4 .cse24) (= .cse24 0)))) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse6) (and .cse25 .cse14 .cse26 .cse3 .cse4 .cse6) (and .cse25 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse3 .cse6 (or (and .cse0 .cse4 .cse12 .cse20) (and .cse18 .cse4 .cse12 .cse20 .cse17))) (and .cse18 .cse2 .cse3 .cse4 .cse6) (and (or .cse27 .cse28) (or (and .cse29 .cse21) (and .cse25 .cse19 .cse21 .cse4 .cse6 (<= 130 ~a29~0)) (and .cse15 .cse18 .cse21 .cse4 .cse6)) .cse30) (and .cse25 .cse3 .cse19 (<= 0 (+ 7792 ~a29~0)) .cse4 .cse6 .cse17) (and .cse8 .cse25 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse27 .cse26 .cse30 .cse29 .cse3) (and .cse15 .cse0 .cse28 .cse14 .cse3 .cse4 .cse6) (and .cse27 (<= 300138 ~a29~0) .cse30 .cse3 (<= ~a29~0 600297) .cse4 .cse6) (and .cse3 (or (and .cse27 .cse30 .cse29 .cse12) (and .cse15 .cse13 .cse4 .cse12 .cse6 (<= 103953 ~a29~0)))) (and .cse15 .cse13 .cse14 .cse3 .cse4 .cse6) (and .cse0 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse16 .cse13 .cse3 .cse4 .cse6 .cse22) (and .cse21 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse6))))) [2022-07-20 23:41:22,936 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-20 23:41:22,937 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-20 23:41:22,938 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-20 23:41:22,938 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-20 23:41:22,938 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,938 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-20 23:41:22,939 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-20 23:41:22,940 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-20 23:41:22,941 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-20 23:41:22,941 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,941 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse32 (div (+ (* ~a29~0 3) (- 554771)) 5))) (let ((.cse18 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse6 (= ~a8~0 15)) (.cse0 (= ~a25~0 12)) (.cse25 (= ~a25~0 13)) (.cse31 (div (+ 25350 .cse32) 5)) (.cse23 (< 0 (+ ~a23~0 43))) (.cse2 (<= 141 ~a29~0))) (let ((.cse5 (<= 312 ~a23~0)) (.cse20 (< (+ ~a29~0 21) 0)) (.cse19 (<= ~a29~0 220)) (.cse8 (or .cse23 .cse2 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)))) (.cse9 (or (< 0 (+ 110739 .cse31)) (not (= (mod .cse32 5) 0)))) (.cse10 (< 0 (+ .cse31 110740))) (.cse11 (= ~a4~0 0)) (.cse26 (< ~a29~0 599999)) (.cse28 (<= ~a29~0 277)) (.cse27 (not .cse25)) (.cse30 (not .cse0)) (.cse29 (or (and .cse18 .cse4 (<= 115637 ~a29~0) .cse6) (and .cse4 .cse6 (<= 115953 ~a29~0)))) (.cse15 (<= 260 ~a29~0)) (.cse14 (<= 173 ~a23~0)) (.cse12 (<= ~a23~0 312)) (.cse17 (<= 141 ~a23~0)) (.cse16 (<= ~a29~0 275)) (.cse22 (<= 245 ~a29~0)) (.cse21 (<= (+ 119992 ~a23~0) 0)) (.cse7 (= ~a25~0 10)) (.cse13 (= ~a25~0 11)) (.cse1 (<= ~a29~0 274)) (.cse3 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse13 .cse3 .cse12 .cse6) (and .cse13 .cse14 .cse3 .cse4 (<= 0 (+ ~a29~0 554195)) .cse12 .cse6) (and .cse15 .cse16 .cse0 .cse11 .cse3 .cse6) (and .cse15 .cse13 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse9 .cse10 .cse11 .cse18 .cse3 .cse19 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse6 .cse7) (and .cse15 .cse11 .cse18 .cse3 .cse12 .cse6) (and .cse9 .cse10 (or (and .cse18 .cse14 .cse4 .cse12) (and .cse4 .cse7)) .cse3 .cse6) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6 .cse20) (and .cse13 .cse21 .cse4 .cse6 .cse22) (and .cse9 .cse10 .cse11 .cse3 .cse19 .cse6 .cse7) (and .cse0 .cse9 .cse10 .cse11 (<= (+ ~a29~0 580291) 0) .cse23 .cse3 .cse6 (let ((.cse24 (mod ~a29~0 15))) (or (< 4 .cse24) (= .cse24 0)))) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse6) (and .cse25 .cse14 .cse26 .cse3 .cse4 .cse6) (and .cse25 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse3 .cse6 (or (and .cse0 .cse4 .cse12 .cse20) (and .cse18 .cse4 .cse12 .cse20 .cse17))) (and .cse18 .cse2 .cse3 .cse4 .cse6) (and (or .cse27 .cse28) (or (and .cse29 .cse21) (and .cse25 .cse19 .cse21 .cse4 .cse6 (<= 130 ~a29~0)) (and .cse15 .cse18 .cse21 .cse4 .cse6)) .cse30) (and .cse25 .cse3 .cse19 (<= 0 (+ 7792 ~a29~0)) .cse4 .cse6 .cse17) (and .cse8 .cse25 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse27 .cse26 .cse30 .cse29 .cse3) (and .cse15 .cse0 .cse28 .cse14 .cse3 .cse4 .cse6) (and .cse27 (<= 300138 ~a29~0) .cse30 .cse3 (<= ~a29~0 600297) .cse4 .cse6) (and .cse3 (or (and .cse27 .cse30 .cse29 .cse12) (and .cse15 .cse13 .cse4 .cse12 .cse6 (<= 103953 ~a29~0)))) (and .cse15 .cse13 .cse14 .cse3 .cse4 .cse6) (and .cse0 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse16 .cse13 .cse3 .cse4 .cse6 .cse22) (and .cse21 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse6))))) [2022-07-20 23:41:22,941 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,941 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,941 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,941 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,941 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:41:22,942 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,943 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,944 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,945 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-20 23:41:22,945 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-20 23:41:22,945 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-20 23:41:22,945 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,945 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,945 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,945 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,945 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:41:22,946 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,947 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:41:22,948 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,949 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,950 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,951 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,952 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-20 23:41:22,953 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-20 23:41:22,954 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,955 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,956 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,957 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,958 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,958 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,958 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,958 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,958 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,958 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,959 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-20 23:41:22,959 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-20 23:41:22,959 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:41:22,959 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:41:22,959 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:41:22,960 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:41:22,960 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,960 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,960 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,960 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,961 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,961 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,962 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,962 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-20 23:41:22,962 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-20 23:41:22,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-20 23:41:22,962 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,962 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,963 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-20 23:41:22,964 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-20 23:41:22,965 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-20 23:41:22,967 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:22,968 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 23:41:23,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:41:23 BoogieIcfgContainer [2022-07-20 23:41:23,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 23:41:23,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 23:41:23,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 23:41:23,012 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 23:41:23,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:10" (3/4) ... [2022-07-20 23:41:23,026 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-20 23:41:23,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-20 23:41:23,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-20 23:41:23,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-20 23:41:23,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-20 23:41:23,118 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 23:41:23,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 23:41:23,118 INFO L158 Benchmark]: Toolchain (without parser) took 75092.13ms. Allocated memory was 56.6MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 33.1MB in the beginning and 815.9MB in the end (delta: -782.8MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-07-20 23:41:23,119 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 23:41:23,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.07ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.9MB in the beginning and 44.7MB in the end (delta: -11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-20 23:41:23,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.12ms. Allocated memory is still 75.5MB. Free memory was 44.7MB in the beginning and 41.6MB in the end (delta: 3.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-07-20 23:41:23,119 INFO L158 Benchmark]: Boogie Preprocessor took 85.76ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 32.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-20 23:41:23,120 INFO L158 Benchmark]: RCFGBuilder took 1237.70ms. Allocated memory was 75.5MB in the beginning and 132.1MB in the end (delta: 56.6MB). Free memory was 32.2MB in the beginning and 75.6MB in the end (delta: -43.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-07-20 23:41:23,121 INFO L158 Benchmark]: TraceAbstraction took 72989.00ms. Allocated memory was 132.1MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 74.7MB in the beginning and 831.6MB in the end (delta: -756.9MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-07-20 23:41:23,121 INFO L158 Benchmark]: Witness Printer took 106.54ms. Allocated memory is still 2.4GB. Free memory was 831.6MB in the beginning and 815.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-20 23:41:23,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.07ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.9MB in the beginning and 44.7MB in the end (delta: -11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.12ms. Allocated memory is still 75.5MB. Free memory was 44.7MB in the beginning and 41.6MB in the end (delta: 3.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.76ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 32.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1237.70ms. Allocated memory was 75.5MB in the beginning and 132.1MB in the end (delta: 56.6MB). Free memory was 32.2MB in the beginning and 75.6MB in the end (delta: -43.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 72989.00ms. Allocated memory was 132.1MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 74.7MB in the beginning and 831.6MB in the end (delta: -756.9MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 106.54ms. Allocated memory is still 2.4GB. Free memory was 831.6MB in the beginning and 815.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. 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: 184]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 72.9s, OverallIterations: 24, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 28.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10757 SdHoareTripleChecker+Valid, 23.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10757 mSDsluCounter, 4463 SdHoareTripleChecker+Invalid, 19.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 886 mSDsCounter, 6376 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28657 IncrementalHoareTripleChecker+Invalid, 35033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6376 mSolverCounterUnsat, 3577 mSDtfsCounter, 28657 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3389 GetRequests, 3292 SyntacticMatches, 4 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30831occurred in iteration=20, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 47029 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 341 NumberOfFragments, 2381 HoareAnnotationTreeSize, 3 FomulaSimplifications, 94442 FormulaSimplificationTreeSizeReduction, 16.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 120618 FormulaSimplificationTreeSizeReductionInter, 11.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 9308 NumberOfCodeBlocks, 9308 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 10753 ConstructedInterpolants, 0 QuantifiedInterpolants, 48588 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2447 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 10167/12043 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((a25 == 12 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 312 <= a23) && a8 == 15) && a25 == 10)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 12) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && 173 <= a23) && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a23 <= 312) && a8 == 15)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a4 == 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || ((((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((260 <= a29 && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && ((((a25 <= 10 && 173 <= a23) && a4 == 1) && a23 <= 312) || (a4 == 1 && a25 == 10))) && a3 == 1) && a8 == 15)) || ((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a3 == 1) && a4 == 1) && a8 == 15) && a29 + 21 < 0)) || ((((a25 == 11 && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || ((((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a29 + 580291 <= 0) && 0 < a23 + 43) && a3 == 1) && a8 == 15) && (4 < a29 % 15 || a29 % 15 == 0))) || (((((a25 == 12 && a4 == 0) && a29 <= 274) && 141 <= a29) && a3 == 1) && a8 == 15)) || (((((a25 == 13 && 173 <= a23) && a29 < 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a25 == 12 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) || ((((a25 <= 10 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) && 141 <= a23)))) || ((((a25 <= 10 && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || (((!(a25 == 13) || a29 <= 277) && (((((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29)) && 119992 + a23 <= 0) || (((((a25 == 13 && a29 <= 220) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a25 <= 10) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15))) && !(a25 == 12))) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && 0 <= 7792 + a29) && a4 == 1) && a8 == 15) && 141 <= a23)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 13) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((!(a25 == 13) && a29 < 599999) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a3 == 1)) || ((((((260 <= a29 && a25 == 12) && a29 <= 277) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((!(a25 == 13) && 300138 <= a29) && !(a25 == 12)) && a3 == 1) && a29 <= 600297) && a4 == 1) && a8 == 15)) || (a3 == 1 && ((((!(a25 == 13) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a23 <= 312) || (((((260 <= a29 && a25 == 11) && a4 == 1) && a23 <= 312) && a8 == 15) && 103953 <= a29)))) || (((((260 <= a29 && a25 == 11) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || (((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((119992 + a23 <= 0 && a4 == 1) && a8 == 15) && a25 == 10)) || (((((a25 == 11 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((a25 == 12 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 312 <= a23) && a8 == 15) && a25 == 10)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 12) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && 173 <= a23) && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a23 <= 312) && a8 == 15)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a4 == 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || ((((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((260 <= a29 && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && ((((a25 <= 10 && 173 <= a23) && a4 == 1) && a23 <= 312) || (a4 == 1 && a25 == 10))) && a3 == 1) && a8 == 15)) || ((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a3 == 1) && a4 == 1) && a8 == 15) && a29 + 21 < 0)) || ((((a25 == 11 && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || ((((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a29 + 580291 <= 0) && 0 < a23 + 43) && a3 == 1) && a8 == 15) && (4 < a29 % 15 || a29 % 15 == 0))) || (((((a25 == 12 && a4 == 0) && a29 <= 274) && 141 <= a29) && a3 == 1) && a8 == 15)) || (((((a25 == 13 && 173 <= a23) && a29 < 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a25 == 12 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) || ((((a25 <= 10 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) && 141 <= a23)))) || ((((a25 <= 10 && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || (((!(a25 == 13) || a29 <= 277) && (((((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29)) && 119992 + a23 <= 0) || (((((a25 == 13 && a29 <= 220) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a25 <= 10) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15))) && !(a25 == 12))) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && 0 <= 7792 + a29) && a4 == 1) && a8 == 15) && 141 <= a23)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 13) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((!(a25 == 13) && a29 < 599999) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a3 == 1)) || ((((((260 <= a29 && a25 == 12) && a29 <= 277) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((!(a25 == 13) && 300138 <= a29) && !(a25 == 12)) && a3 == 1) && a29 <= 600297) && a4 == 1) && a8 == 15)) || (a3 == 1 && ((((!(a25 == 13) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a23 <= 312) || (((((260 <= a29 && a25 == 11) && a4 == 1) && a23 <= 312) && a8 == 15) && 103953 <= a29)))) || (((((260 <= a29 && a25 == 11) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || (((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((119992 + a23 <= 0 && a4 == 1) && a8 == 15) && a25 == 10)) || (((((a25 == 11 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-20 23:41:23,175 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