./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/Problem16_label21.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 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:54:25,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:54:25,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:54:25,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:54:25,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:54:25,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:54:25,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:54:25,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:54:25,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:54:25,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:54:25,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:54:25,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:54:25,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:54:25,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:54:25,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:54:25,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:54:25,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:54:25,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:54:25,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:54:25,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:54:25,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:54:25,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:54:25,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:54:25,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:54:25,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:54:25,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:54:25,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:54:25,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:54:25,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:54:25,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:54:25,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:54:25,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:54:25,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:54:25,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:54:25,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:54:25,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:54:25,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:54:25,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:54:25,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:54:25,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:54:25,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:54:25,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:54:25,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:54:25,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:54:25,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:54:25,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:54:25,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:54:25,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:54:25,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:54:25,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:54:25,893 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:54:25,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:54:25,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:54:25,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:54:25,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:54:25,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:54:25,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:54:25,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:54:25,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:54:25,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:54:25,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:54:25,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:54:25,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:54:25,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:54:25,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:54:25,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:54:25,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:54:25,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:54:25,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:54:25,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:54:25,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:54:25,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:54:25,898 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:54:25,898 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:54:25,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:54:25,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:54:25,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 [2021-12-15 09:54:26,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:54:26,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:54:26,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:54:26,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:54:26,123 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:54:26,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2021-12-15 09:54:26,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ac6640b/a9ff30c7316a47c6ac12642e4e350b25/FLAGa27494ea2 [2021-12-15 09:54:26,628 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:54:26,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2021-12-15 09:54:26,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ac6640b/a9ff30c7316a47c6ac12642e4e350b25/FLAGa27494ea2 [2021-12-15 09:54:26,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ac6640b/a9ff30c7316a47c6ac12642e4e350b25 [2021-12-15 09:54:26,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:54:26,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:54:26,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:54:26,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:54:26,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:54:26,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:54:26" (1/1) ... [2021-12-15 09:54:26,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434ee253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:26, skipping insertion in model container [2021-12-15 09:54:26,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:54:26" (1/1) ... [2021-12-15 09:54:26,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:54:26,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:54:27,189 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/Problem16_label21.c[4121,4134] [2021-12-15 09:54:27,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:54:27,444 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:54:27,456 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/Problem16_label21.c[4121,4134] [2021-12-15 09:54:27,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:54:27,622 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:54:27,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27 WrapperNode [2021-12-15 09:54:27,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:54:27,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:54:27,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:54:27,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:54:27,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,742 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-12-15 09:54:27,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:54:27,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:54:27,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:54:27,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:54:27,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:54:27,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:54:27,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:54:27,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:54:27,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (1/1) ... [2021-12-15 09:54:27,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:54:27,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:54:27,867 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) [2021-12-15 09:54:27,912 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 [2021-12-15 09:54:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:54:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:54:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:54:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:54:27,989 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:54:27,990 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:54:29,278 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:54:29,286 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:54:29,286 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:54:29,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:54:29 BoogieIcfgContainer [2021-12-15 09:54:29,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:54:29,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:54:29,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:54:29,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:54:29,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:54:26" (1/3) ... [2021-12-15 09:54:29,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3580f992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:54:29, skipping insertion in model container [2021-12-15 09:54:29,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:54:27" (2/3) ... [2021-12-15 09:54:29,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3580f992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:54:29, skipping insertion in model container [2021-12-15 09:54:29,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:54:29" (3/3) ... [2021-12-15 09:54:29,295 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label21.c [2021-12-15 09:54:29,298 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:54:29,299 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:54:29,331 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:54:29,336 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 09:54:29,337 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:54:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-15 09:54:29,357 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:29,357 INFO L514 BasicCegarLoop]: 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] [2021-12-15 09:54:29,358 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:29,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:29,362 INFO L85 PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times [2021-12-15 09:54:29,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:29,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913490715] [2021-12-15 09:54:29,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:29,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:54:29,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:29,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913490715] [2021-12-15 09:54:29,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913490715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:29,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:29,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:54:29,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063575111] [2021-12-15 09:54:29,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:29,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:29,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:29,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:29,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:29,552 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:31,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:31,027 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-12-15 09:54:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:31,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2021-12-15 09:54:31,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:31,040 INFO L225 Difference]: With dead ends: 1137 [2021-12-15 09:54:31,041 INFO L226 Difference]: Without dead ends: 662 [2021-12-15 09:54:31,045 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:31,047 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 346 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:31,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 114 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-15 09:54:31,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-12-15 09:54:31,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-12-15 09:54:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:31,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2021-12-15 09:54:31,112 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 38 [2021-12-15 09:54:31,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:31,112 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2021-12-15 09:54:31,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2021-12-15 09:54:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-15 09:54:31,114 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:31,115 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:31,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:54:31,115 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:31,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1806963671, now seen corresponding path program 1 times [2021-12-15 09:54:31,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:31,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387199377] [2021-12-15 09:54:31,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:31,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:54:31,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:31,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387199377] [2021-12-15 09:54:31,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387199377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:31,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:31,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:54:31,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613964505] [2021-12-15 09:54:31,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:31,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:31,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:31,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:31,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:31,192 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:32,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:32,422 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2021-12-15 09:54:32,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:32,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2021-12-15 09:54:32,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:32,432 INFO L225 Difference]: With dead ends: 1980 [2021-12-15 09:54:32,432 INFO L226 Difference]: Without dead ends: 1320 [2021-12-15 09:54:32,434 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:32,435 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:32,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 77 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-15 09:54:32,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-12-15 09:54:32,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-12-15 09:54:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2021-12-15 09:54:32,469 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 104 [2021-12-15 09:54:32,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:32,470 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2021-12-15 09:54:32,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:32,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2021-12-15 09:54:32,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-15 09:54:32,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:32,472 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:32,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:54:32,473 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:32,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:32,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1968185099, now seen corresponding path program 1 times [2021-12-15 09:54:32,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:32,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383519450] [2021-12-15 09:54:32,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:32,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:54:32,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:32,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383519450] [2021-12-15 09:54:32,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383519450] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:32,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:32,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:32,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229527699] [2021-12-15 09:54:32,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:32,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:54:32,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:32,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:54:32,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:54:32,580 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:34,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:34,162 INFO L93 Difference]: Finished difference Result 3625 states and 5770 transitions. [2021-12-15 09:54:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:54:34,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-12-15 09:54:34,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:34,169 INFO L225 Difference]: With dead ends: 3625 [2021-12-15 09:54:34,169 INFO L226 Difference]: Without dead ends: 2307 [2021-12-15 09:54:34,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:54:34,172 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 958 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:34,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [958 Valid, 67 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-15 09:54:34,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2021-12-15 09:54:34,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2021-12-15 09:54:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.4271465741543798) internal successors, (3291), 2306 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:34,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3291 transitions. [2021-12-15 09:54:34,213 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3291 transitions. Word has length 105 [2021-12-15 09:54:34,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:34,214 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 3291 transitions. [2021-12-15 09:54:34,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:34,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3291 transitions. [2021-12-15 09:54:34,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-15 09:54:34,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:34,218 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:54:34,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:54:34,219 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:34,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:34,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1289944334, now seen corresponding path program 1 times [2021-12-15 09:54:34,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:34,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738506133] [2021-12-15 09:54:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:34,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-15 09:54:34,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:34,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738506133] [2021-12-15 09:54:34,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738506133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:34,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:34,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:54:34,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298872598] [2021-12-15 09:54:34,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:34,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:34,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:34,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:34,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:34,350 INFO L87 Difference]: Start difference. First operand 2307 states and 3291 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:35,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:35,340 INFO L93 Difference]: Finished difference Result 5599 states and 8174 transitions. [2021-12-15 09:54:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:35,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 259 [2021-12-15 09:54:35,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:35,351 INFO L225 Difference]: With dead ends: 5599 [2021-12-15 09:54:35,351 INFO L226 Difference]: Without dead ends: 3623 [2021-12-15 09:54:35,354 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:35,355 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 311 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:35,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 156 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 09:54:35,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2021-12-15 09:54:35,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 3294. [2021-12-15 09:54:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.295778924992408) internal successors, (4267), 3293 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4267 transitions. [2021-12-15 09:54:35,400 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4267 transitions. Word has length 259 [2021-12-15 09:54:35,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:35,400 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 4267 transitions. [2021-12-15 09:54:35,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:35,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4267 transitions. [2021-12-15 09:54:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-12-15 09:54:35,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:35,407 INFO L514 BasicCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-15 09:54:35,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:54:35,408 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:35,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:35,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1562904911, now seen corresponding path program 1 times [2021-12-15 09:54:35,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:35,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954433969] [2021-12-15 09:54:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:35,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-12-15 09:54:35,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:35,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954433969] [2021-12-15 09:54:35,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954433969] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:35,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:35,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:35,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808607261] [2021-12-15 09:54:35,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:35,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:35,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:35,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:35,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:35,517 INFO L87 Difference]: Start difference. First operand 3294 states and 4267 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:36,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:36,407 INFO L93 Difference]: Finished difference Result 7573 states and 9867 transitions. [2021-12-15 09:54:36,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:36,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 495 [2021-12-15 09:54:36,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:36,416 INFO L225 Difference]: With dead ends: 7573 [2021-12-15 09:54:36,417 INFO L226 Difference]: Without dead ends: 3952 [2021-12-15 09:54:36,419 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:36,420 INFO L933 BasicCegarLoop]: 534 mSDtfsCounter, 257 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:36,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 540 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 09:54:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-12-15 09:54:36,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-12-15 09:54:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0923816755251834) internal successors, (4316), 3951 states have internal predecessors, (4316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:36,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4316 transitions. [2021-12-15 09:54:36,467 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4316 transitions. Word has length 495 [2021-12-15 09:54:36,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:36,468 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4316 transitions. [2021-12-15 09:54:36,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4316 transitions. [2021-12-15 09:54:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-12-15 09:54:36,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:36,480 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:36,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:54:36,481 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:36,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:36,482 INFO L85 PathProgramCache]: Analyzing trace with hash -155102416, now seen corresponding path program 1 times [2021-12-15 09:54:36,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:36,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222304646] [2021-12-15 09:54:36,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:36,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 845 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-12-15 09:54:36,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:36,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222304646] [2021-12-15 09:54:36,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222304646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:36,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:36,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:36,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326480644] [2021-12-15 09:54:36,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:36,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:36,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:36,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:36,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:36,668 INFO L87 Difference]: Start difference. First operand 3952 states and 4316 transitions. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:37,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:37,390 INFO L93 Difference]: Finished difference Result 10534 states and 11528 transitions. [2021-12-15 09:54:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:37,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 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 682 [2021-12-15 09:54:37,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:37,408 INFO L225 Difference]: With dead ends: 10534 [2021-12-15 09:54:37,409 INFO L226 Difference]: Without dead ends: 6913 [2021-12-15 09:54:37,411 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:37,413 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 219 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:37,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 429 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:54:37,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2021-12-15 09:54:37,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6584. [2021-12-15 09:54:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6584 states, 6583 states have (on average 1.0630411666413488) internal successors, (6998), 6583 states have internal predecessors, (6998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 6998 transitions. [2021-12-15 09:54:37,494 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 6998 transitions. Word has length 682 [2021-12-15 09:54:37,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:37,494 INFO L470 AbstractCegarLoop]: Abstraction has 6584 states and 6998 transitions. [2021-12-15 09:54:37,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 6998 transitions. [2021-12-15 09:54:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2021-12-15 09:54:37,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:37,510 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:37,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:54:37,510 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:37,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:37,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1364144831, now seen corresponding path program 1 times [2021-12-15 09:54:37,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:37,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547064125] [2021-12-15 09:54:37,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:37,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 934 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-12-15 09:54:37,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:37,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547064125] [2021-12-15 09:54:37,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547064125] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:37,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:37,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:37,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609045626] [2021-12-15 09:54:37,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:37,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:37,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:37,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:37,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:37,721 INFO L87 Difference]: Start difference. First operand 6584 states and 6998 transitions. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:38,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:38,429 INFO L93 Difference]: Finished difference Result 15798 states and 16947 transitions. [2021-12-15 09:54:38,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:38,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 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 786 [2021-12-15 09:54:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:38,451 INFO L225 Difference]: With dead ends: 15798 [2021-12-15 09:54:38,451 INFO L226 Difference]: Without dead ends: 9545 [2021-12-15 09:54:38,458 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:38,458 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 172 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:38,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 428 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:54:38,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2021-12-15 09:54:38,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 9216. [2021-12-15 09:54:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0555615843733044) internal successors, (9727), 9215 states have internal predecessors, (9727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9727 transitions. [2021-12-15 09:54:38,574 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9727 transitions. Word has length 786 [2021-12-15 09:54:38,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:38,574 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9727 transitions. [2021-12-15 09:54:38,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9727 transitions. [2021-12-15 09:54:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2021-12-15 09:54:38,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:38,585 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:38,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 09:54:38,585 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:38,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash 324362465, now seen corresponding path program 1 times [2021-12-15 09:54:38,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:38,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357528608] [2021-12-15 09:54:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:38,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-15 09:54:38,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:38,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357528608] [2021-12-15 09:54:38,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357528608] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:38,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:38,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:38,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631497497] [2021-12-15 09:54:38,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:38,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:38,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:38,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:38,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:38,800 INFO L87 Difference]: Start difference. First operand 9216 states and 9727 transitions. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:39,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:39,489 INFO L93 Difference]: Finished difference Result 20733 states and 22010 transitions. [2021-12-15 09:54:39,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:39,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 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 823 [2021-12-15 09:54:39,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:39,514 INFO L225 Difference]: With dead ends: 20733 [2021-12-15 09:54:39,514 INFO L226 Difference]: Without dead ends: 11848 [2021-12-15 09:54:39,523 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:39,524 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 221 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:39,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 78 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:54:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-12-15 09:54:39,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-12-15 09:54:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0471005317801976) internal successors, (12405), 11847 states have internal predecessors, (12405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12405 transitions. [2021-12-15 09:54:39,623 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12405 transitions. Word has length 823 [2021-12-15 09:54:39,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:39,624 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12405 transitions. [2021-12-15 09:54:39,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12405 transitions. [2021-12-15 09:54:39,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1055 [2021-12-15 09:54:39,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:39,639 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 09:54:39,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:54:39,639 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:39,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:39,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1432165450, now seen corresponding path program 1 times [2021-12-15 09:54:39,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:39,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343345512] [2021-12-15 09:54:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:39,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1474 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2021-12-15 09:54:39,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:39,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343345512] [2021-12-15 09:54:39,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343345512] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:39,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:39,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:39,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824992808] [2021-12-15 09:54:39,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:39,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:39,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:39,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:39,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:39,917 INFO L87 Difference]: Start difference. First operand 11848 states and 12405 transitions. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:40,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:40,644 INFO L93 Difference]: Finished difference Result 26326 states and 27706 transitions. [2021-12-15 09:54:40,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:40,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 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 1054 [2021-12-15 09:54:40,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:40,667 INFO L225 Difference]: With dead ends: 26326 [2021-12-15 09:54:40,667 INFO L226 Difference]: Without dead ends: 14809 [2021-12-15 09:54:40,677 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:40,678 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 220 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:40,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 433 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:54:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-12-15 09:54:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14151. [2021-12-15 09:54:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0426855123674912) internal successors, (14754), 14150 states have internal predecessors, (14754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14754 transitions. [2021-12-15 09:54:40,865 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14754 transitions. Word has length 1054 [2021-12-15 09:54:40,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:40,866 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14754 transitions. [2021-12-15 09:54:40,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:40,866 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14754 transitions. [2021-12-15 09:54:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1056 [2021-12-15 09:54:40,883 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:40,883 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 09:54:40,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 09:54:40,884 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:40,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:40,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1937318779, now seen corresponding path program 1 times [2021-12-15 09:54:40,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:40,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102713078] [2021-12-15 09:54:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:40,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 808 proven. 799 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-12-15 09:54:41,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:41,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102713078] [2021-12-15 09:54:41,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102713078] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:54:41,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678557560] [2021-12-15 09:54:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:41,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:54:41,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:54:41,306 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) [2021-12-15 09:54:41,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 09:54:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:41,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:54:41,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:54:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 1190 proven. 0 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2021-12-15 09:54:43,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:54:43,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678557560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:43,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:54:43,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 09:54:43,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995405791] [2021-12-15 09:54:43,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:43,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:43,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:43,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:43,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:54:43,076 INFO L87 Difference]: Start difference. First operand 14151 states and 14754 transitions. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:43,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:43,764 INFO L93 Difference]: Finished difference Result 27971 states and 29175 transitions. [2021-12-15 09:54:43,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:43,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 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 1055 [2021-12-15 09:54:43,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:43,785 INFO L225 Difference]: With dead ends: 27971 [2021-12-15 09:54:43,785 INFO L226 Difference]: Without dead ends: 14151 [2021-12-15 09:54:43,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1059 GetRequests, 1055 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:54:43,797 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 117 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:43,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:54:43,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-12-15 09:54:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 14151. [2021-12-15 09:54:43,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0373144876325089) internal successors, (14678), 14150 states have internal predecessors, (14678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14678 transitions. [2021-12-15 09:54:43,930 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14678 transitions. Word has length 1055 [2021-12-15 09:54:43,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:43,931 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14678 transitions. [2021-12-15 09:54:43,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14678 transitions. [2021-12-15 09:54:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1227 [2021-12-15 09:54:43,951 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:43,951 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 09:54:43,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-15 09:54:44,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-15 09:54:44,168 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:44,169 INFO L85 PathProgramCache]: Analyzing trace with hash -833369546, now seen corresponding path program 1 times [2021-12-15 09:54:44,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:44,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520508046] [2021-12-15 09:54:44,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:44,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2859 backedges. 1046 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-12-15 09:54:44,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:44,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520508046] [2021-12-15 09:54:44,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520508046] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:44,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:44,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:44,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233322181] [2021-12-15 09:54:44,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:44,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:44,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:44,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:44,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:44,504 INFO L87 Difference]: Start difference. First operand 14151 states and 14678 transitions. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:45,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:45,310 INFO L93 Difference]: Finished difference Result 28629 states and 29688 transitions. [2021-12-15 09:54:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:45,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 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 1226 [2021-12-15 09:54:45,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:45,326 INFO L225 Difference]: With dead ends: 28629 [2021-12-15 09:54:45,326 INFO L226 Difference]: Without dead ends: 13822 [2021-12-15 09:54:45,336 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:45,336 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 172 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:45,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 410 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:54:45,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-12-15 09:54:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 11519. [2021-12-15 09:54:45,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11518 states have (on average 1.028650807431846) internal successors, (11848), 11518 states have internal predecessors, (11848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 11848 transitions. [2021-12-15 09:54:45,426 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 11848 transitions. Word has length 1226 [2021-12-15 09:54:45,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:45,427 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 11848 transitions. [2021-12-15 09:54:45,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 11848 transitions. [2021-12-15 09:54:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1303 [2021-12-15 09:54:45,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:45,447 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:45,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 09:54:45,448 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:45,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:45,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2131711989, now seen corresponding path program 1 times [2021-12-15 09:54:45,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:45,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503315362] [2021-12-15 09:54:45,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:45,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 2043 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2021-12-15 09:54:45,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503315362] [2021-12-15 09:54:45,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503315362] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:45,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:45,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:45,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709449569] [2021-12-15 09:54:45,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:45,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:45,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:45,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:45,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:45,817 INFO L87 Difference]: Start difference. First operand 11519 states and 11848 transitions. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:46,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:46,545 INFO L93 Difference]: Finished difference Result 23036 states and 23693 transitions. [2021-12-15 09:54:46,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:46,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 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 1302 [2021-12-15 09:54:46,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:46,560 INFO L225 Difference]: With dead ends: 23036 [2021-12-15 09:54:46,560 INFO L226 Difference]: Without dead ends: 11519 [2021-12-15 09:54:46,568 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:46,569 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 193 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:46,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 421 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:54:46,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2021-12-15 09:54:46,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 11190. [2021-12-15 09:54:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0197515416927339) internal successors, (11410), 11189 states have internal predecessors, (11410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 11410 transitions. [2021-12-15 09:54:46,667 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 11410 transitions. Word has length 1302 [2021-12-15 09:54:46,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:46,668 INFO L470 AbstractCegarLoop]: Abstraction has 11190 states and 11410 transitions. [2021-12-15 09:54:46,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 11410 transitions. [2021-12-15 09:54:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1328 [2021-12-15 09:54:46,686 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:46,687 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:46,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 09:54:46,688 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:46,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:46,688 INFO L85 PathProgramCache]: Analyzing trace with hash -127699003, now seen corresponding path program 1 times [2021-12-15 09:54:46,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:46,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610545134] [2021-12-15 09:54:46,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:46,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3024 backedges. 1691 proven. 0 refuted. 0 times theorem prover too weak. 1333 trivial. 0 not checked. [2021-12-15 09:54:47,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:47,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610545134] [2021-12-15 09:54:47,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610545134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:47,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:54:47,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:54:47,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671880300] [2021-12-15 09:54:47,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:47,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:47,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:47,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:47,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:54:47,023 INFO L87 Difference]: Start difference. First operand 11190 states and 11410 transitions. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:47,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:47,657 INFO L93 Difference]: Finished difference Result 22707 states and 23156 transitions. [2021-12-15 09:54:47,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:47,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 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 1327 [2021-12-15 09:54:47,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:47,669 INFO L225 Difference]: With dead ends: 22707 [2021-12-15 09:54:47,669 INFO L226 Difference]: Without dead ends: 11848 [2021-12-15 09:54:47,676 INFO L932 BasicCegarLoop]: 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 [2021-12-15 09:54:47,677 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:47,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 432 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:54:47,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-12-15 09:54:47,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-12-15 09:54:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0190765594665316) internal successors, (12073), 11847 states have internal predecessors, (12073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12073 transitions. [2021-12-15 09:54:47,771 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12073 transitions. Word has length 1327 [2021-12-15 09:54:47,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:47,772 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12073 transitions. [2021-12-15 09:54:47,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12073 transitions. [2021-12-15 09:54:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1382 [2021-12-15 09:54:47,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:47,819 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:47,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 09:54:47,820 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:47,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:47,821 INFO L85 PathProgramCache]: Analyzing trace with hash -972273152, now seen corresponding path program 1 times [2021-12-15 09:54:47,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:47,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518661597] [2021-12-15 09:54:47,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:47,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 2285 proven. 29 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-12-15 09:54:48,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:48,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518661597] [2021-12-15 09:54:48,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518661597] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:54:48,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218157600] [2021-12-15 09:54:48,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:48,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:54:48,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:54:48,249 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) [2021-12-15 09:54:48,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 09:54:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:48,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 1615 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 09:54:48,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:54:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 1608 proven. 0 refuted. 0 times theorem prover too weak. 1472 trivial. 0 not checked. [2021-12-15 09:54:51,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:54:51,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218157600] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:51,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:54:51,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2021-12-15 09:54:51,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078185568] [2021-12-15 09:54:51,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:51,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:51,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:51,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:51,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-15 09:54:51,087 INFO L87 Difference]: Start difference. First operand 11848 states and 12073 transitions. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 2 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:51,801 INFO L93 Difference]: Finished difference Result 23365 states and 23813 transitions. [2021-12-15 09:54:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:51,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 2 states have internal predecessors, (580), 0 states have call successors, (0), 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 1381 [2021-12-15 09:54:51,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:51,811 INFO L225 Difference]: With dead ends: 23365 [2021-12-15 09:54:51,811 INFO L226 Difference]: Without dead ends: 11848 [2021-12-15 09:54:51,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1388 GetRequests, 1381 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-15 09:54:51,819 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 89 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:51,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 78 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:54:51,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-12-15 09:54:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-12-15 09:54:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0189921499113699) internal successors, (12072), 11847 states have internal predecessors, (12072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12072 transitions. [2021-12-15 09:54:51,932 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12072 transitions. Word has length 1381 [2021-12-15 09:54:51,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:51,932 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12072 transitions. [2021-12-15 09:54:51,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 2 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:51,933 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12072 transitions. [2021-12-15 09:54:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1412 [2021-12-15 09:54:51,956 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:51,957 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:51,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 09:54:52,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-15 09:54:52,172 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:52,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash -950206879, now seen corresponding path program 1 times [2021-12-15 09:54:52,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:52,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623282418] [2021-12-15 09:54:52,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:52,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3623 backedges. 1668 proven. 156 refuted. 0 times theorem prover too weak. 1799 trivial. 0 not checked. [2021-12-15 09:54:52,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:52,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623282418] [2021-12-15 09:54:52,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623282418] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:54:52,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744786921] [2021-12-15 09:54:52,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:52,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:54:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:54:52,522 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) [2021-12-15 09:54:52,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 09:54:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:52,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1669 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 09:54:52,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:54:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3623 backedges. 1824 proven. 0 refuted. 0 times theorem prover too weak. 1799 trivial. 0 not checked. [2021-12-15 09:54:54,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:54:54,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744786921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:54,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:54:54,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-15 09:54:54,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248887603] [2021-12-15 09:54:54,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:54,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:54,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:54,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:54,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:54:54,828 INFO L87 Difference]: Start difference. First operand 11848 states and 12072 transitions. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:55,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:55,567 INFO L93 Difference]: Finished difference Result 25997 states and 26516 transitions. [2021-12-15 09:54:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:55,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 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 1411 [2021-12-15 09:54:55,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:55,583 INFO L225 Difference]: With dead ends: 25997 [2021-12-15 09:54:55,583 INFO L226 Difference]: Without dead ends: 14151 [2021-12-15 09:54:55,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1415 GetRequests, 1410 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:54:55,591 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 173 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:55,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 94 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:54:55,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-12-15 09:54:55,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13164. [2021-12-15 09:54:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.018005014054547) internal successors, (13400), 13163 states have internal predecessors, (13400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13400 transitions. [2021-12-15 09:54:55,713 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13400 transitions. Word has length 1411 [2021-12-15 09:54:55,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:55,714 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13400 transitions. [2021-12-15 09:54:55,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:55,714 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13400 transitions. [2021-12-15 09:54:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1667 [2021-12-15 09:54:55,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:55,738 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-12-15 09:54:55,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 09:54:55,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:54:55,953 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:54:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:54:55,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1470600127, now seen corresponding path program 1 times [2021-12-15 09:54:55,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:54:55,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684805316] [2021-12-15 09:54:55,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:55,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:54:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4330 backedges. 3259 proven. 96 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-12-15 09:54:56,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:54:56,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684805316] [2021-12-15 09:54:56,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684805316] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:54:56,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293870881] [2021-12-15 09:54:56,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:54:56,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:54:56,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:54:56,557 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) [2021-12-15 09:54:56,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 09:54:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:54:56,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1902 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 09:54:56,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:54:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4330 backedges. 3022 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2021-12-15 09:54:59,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:54:59,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293870881] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:54:59,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:54:59,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-15 09:54:59,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993935777] [2021-12-15 09:54:59,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:54:59,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:54:59,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:54:59,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:54:59,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-15 09:54:59,137 INFO L87 Difference]: Start difference. First operand 13164 states and 13400 transitions. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:59,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:54:59,722 INFO L93 Difference]: Finished difference Result 25997 states and 26467 transitions. [2021-12-15 09:54:59,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:54:59,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 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 1666 [2021-12-15 09:54:59,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:54:59,735 INFO L225 Difference]: With dead ends: 25997 [2021-12-15 09:54:59,735 INFO L226 Difference]: Without dead ends: 13164 [2021-12-15 09:54:59,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1674 GetRequests, 1666 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-15 09:54:59,743 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 62 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:54:59,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 427 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:54:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-12-15 09:54:59,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-12-15 09:54:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.017853073007673) internal successors, (13398), 13163 states have internal predecessors, (13398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13398 transitions. [2021-12-15 09:54:59,843 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13398 transitions. Word has length 1666 [2021-12-15 09:54:59,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:54:59,844 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13398 transitions. [2021-12-15 09:54:59,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:54:59,844 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13398 transitions. [2021-12-15 09:54:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1899 [2021-12-15 09:54:59,870 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:54:59,871 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:54:59,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-15 09:55:00,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-15 09:55:00,087 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:55:00,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:55:00,090 INFO L85 PathProgramCache]: Analyzing trace with hash -945703129, now seen corresponding path program 1 times [2021-12-15 09:55:00,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:55:00,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037504598] [2021-12-15 09:55:00,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:55:00,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:55:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:55:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5944 backedges. 4509 proven. 125 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2021-12-15 09:55:00,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:55:00,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037504598] [2021-12-15 09:55:00,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037504598] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:55:00,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066396664] [2021-12-15 09:55:00,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:55:00,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:55:00,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:55:00,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:55:00,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-15 09:55:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:55:01,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 09:55:01,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:55:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5944 backedges. 3120 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-12-15 09:55:03,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:55:03,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066396664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:55:03,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:55:03,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2021-12-15 09:55:03,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185983541] [2021-12-15 09:55:03,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:55:03,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:55:03,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:55:03,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:55:03,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-12-15 09:55:03,903 INFO L87 Difference]: Start difference. First operand 13164 states and 13398 transitions. Second operand has 4 states, 4 states have (on average 225.25) internal successors, (901), 4 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:04,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:55:04,934 INFO L93 Difference]: Finished difference Result 25997 states and 26463 transitions. [2021-12-15 09:55:04,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:55:04,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 225.25) internal successors, (901), 4 states have internal predecessors, (901), 0 states have call successors, (0), 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 1898 [2021-12-15 09:55:04,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:55:04,947 INFO L225 Difference]: With dead ends: 25997 [2021-12-15 09:55:04,947 INFO L226 Difference]: Without dead ends: 13164 [2021-12-15 09:55:04,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1906 GetRequests, 1897 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-12-15 09:55:04,955 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 90 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 09:55:04,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 403 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 09:55:04,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-12-15 09:55:05,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-12-15 09:55:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0174732203904886) internal successors, (13393), 13163 states have internal predecessors, (13393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:05,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13393 transitions. [2021-12-15 09:55:05,045 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13393 transitions. Word has length 1898 [2021-12-15 09:55:05,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:55:05,046 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13393 transitions. [2021-12-15 09:55:05,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 225.25) internal successors, (901), 4 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:05,047 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13393 transitions. [2021-12-15 09:55:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2140 [2021-12-15 09:55:05,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:55:05,078 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 09:55:05,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-15 09:55:05,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-15 09:55:05,279 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:55:05,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:55:05,280 INFO L85 PathProgramCache]: Analyzing trace with hash -317645820, now seen corresponding path program 1 times [2021-12-15 09:55:05,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:55:05,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062604154] [2021-12-15 09:55:05,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:55:05,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:55:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:55:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 4452 proven. 1560 refuted. 0 times theorem prover too weak. 1941 trivial. 0 not checked. [2021-12-15 09:55:05,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:55:05,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062604154] [2021-12-15 09:55:05,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062604154] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:55:05,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105626277] [2021-12-15 09:55:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:55:05,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:55:05,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:55:05,974 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:55:05,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-15 09:55:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:55:06,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 09:55:06,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:55:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 4449 proven. 0 refuted. 0 times theorem prover too weak. 3504 trivial. 0 not checked. [2021-12-15 09:55:08,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:55:08,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105626277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:55:08,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:55:08,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 09:55:08,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86254485] [2021-12-15 09:55:08,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:55:08,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:55:08,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:55:08,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:55:08,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:55:08,507 INFO L87 Difference]: Start difference. First operand 13164 states and 13393 transitions. Second operand has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:09,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:55:09,138 INFO L93 Difference]: Finished difference Result 26655 states and 27122 transitions. [2021-12-15 09:55:09,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:55:09,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 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 2139 [2021-12-15 09:55:09,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:55:09,151 INFO L225 Difference]: With dead ends: 26655 [2021-12-15 09:55:09,151 INFO L226 Difference]: Without dead ends: 13822 [2021-12-15 09:55:09,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2145 GetRequests, 2141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:55:09,158 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 263 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:55:09,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 431 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:55:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-12-15 09:55:09,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13822. [2021-12-15 09:55:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0169307575428697) internal successors, (14055), 13821 states have internal predecessors, (14055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14055 transitions. [2021-12-15 09:55:09,251 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14055 transitions. Word has length 2139 [2021-12-15 09:55:09,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:55:09,252 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14055 transitions. [2021-12-15 09:55:09,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14055 transitions. [2021-12-15 09:55:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2224 [2021-12-15 09:55:09,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:55:09,287 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:55:09,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-15 09:55:09,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-15 09:55:09,504 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:55:09,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:55:09,504 INFO L85 PathProgramCache]: Analyzing trace with hash 794031723, now seen corresponding path program 1 times [2021-12-15 09:55:09,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:55:09,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011187628] [2021-12-15 09:55:09,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:55:09,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:55:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:55:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 9069 backedges. 4256 proven. 505 refuted. 0 times theorem prover too weak. 4308 trivial. 0 not checked. [2021-12-15 09:55:10,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:55:10,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011187628] [2021-12-15 09:55:10,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011187628] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:55:10,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161390728] [2021-12-15 09:55:10,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:55:10,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:55:10,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:55:10,250 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:55:10,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-15 09:55:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:55:10,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 09:55:10,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:55:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 9069 backedges. 5058 proven. 0 refuted. 0 times theorem prover too weak. 4011 trivial. 0 not checked. [2021-12-15 09:55:13,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:55:13,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161390728] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:55:13,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:55:13,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-15 09:55:13,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114365766] [2021-12-15 09:55:13,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:55:13,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:55:13,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:55:13,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:55:13,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 09:55:13,070 INFO L87 Difference]: Start difference. First operand 13822 states and 14055 transitions. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:13,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:55:13,967 INFO L93 Difference]: Finished difference Result 30603 states and 31128 transitions. [2021-12-15 09:55:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:55:13,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 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 2223 [2021-12-15 09:55:13,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:55:13,984 INFO L225 Difference]: With dead ends: 30603 [2021-12-15 09:55:13,985 INFO L226 Difference]: Without dead ends: 16783 [2021-12-15 09:55:13,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2231 GetRequests, 2225 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 09:55:13,994 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 221 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 09:55:13,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 424 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 09:55:14,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-12-15 09:55:14,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16125. [2021-12-15 09:55:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0158149342594889) internal successors, (16379), 16124 states have internal predecessors, (16379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16379 transitions. [2021-12-15 09:55:14,152 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16379 transitions. Word has length 2223 [2021-12-15 09:55:14,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:55:14,153 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16379 transitions. [2021-12-15 09:55:14,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16379 transitions. [2021-12-15 09:55:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2255 [2021-12-15 09:55:14,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:55:14,198 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:55:14,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-15 09:55:14,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:55:14,399 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:55:14,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:55:14,400 INFO L85 PathProgramCache]: Analyzing trace with hash -501502478, now seen corresponding path program 1 times [2021-12-15 09:55:14,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:55:14,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644641624] [2021-12-15 09:55:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:55:14,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:55:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:55:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 9463 backedges. 4381 proven. 523 refuted. 0 times theorem prover too weak. 4559 trivial. 0 not checked. [2021-12-15 09:55:15,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:55:15,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644641624] [2021-12-15 09:55:15,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644641624] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:55:15,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608354822] [2021-12-15 09:55:15,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:55:15,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:55:15,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:55:15,099 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:55:15,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-15 09:55:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:55:15,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 2605 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:55:15,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:55:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9463 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 9032 trivial. 0 not checked. [2021-12-15 09:55:17,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:55:17,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608354822] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:55:17,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:55:17,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-15 09:55:17,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368063312] [2021-12-15 09:55:17,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:55:17,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:55:17,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:55:17,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:55:17,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 09:55:17,830 INFO L87 Difference]: Start difference. First operand 16125 states and 16379 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:18,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:55:18,670 INFO L93 Difference]: Finished difference Result 33562 states and 34098 transitions. [2021-12-15 09:55:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:55:18,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 2254 [2021-12-15 09:55:18,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:55:18,672 INFO L225 Difference]: With dead ends: 33562 [2021-12-15 09:55:18,672 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:55:18,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2262 GetRequests, 2256 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 09:55:18,682 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 295 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 09:55:18,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 418 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 09:55:18,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:55:18,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:55:18,683 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) [2021-12-15 09:55:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:55:18,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2254 [2021-12-15 09:55:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:55:18,684 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:55:18,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:55:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:55:18,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:55:18,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:55:18,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-15 09:55:18,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:55:18,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:55:20,919 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,919 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,920 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,920 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-15 09:55:20,921 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,922 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-15 09:55:20,923 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,924 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,925 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,926 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,927 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,927 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,927 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,927 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,927 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-15 09:55:20,927 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,927 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-15 09:55:20,927 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse2 (= ~a16~0 9))) (let ((.cse1 (= ~a12~0 8)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse12 (= ~a12~0 7)) (.cse9 (= 9 ~a12~0)) (.cse5 (= ~a12~0 6)) (.cse11 (not .cse2)) (.cse0 (= ~a15~0 3)) (.cse13 (<= ~a12~0 5)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse6 (<= ~a16~0 11)) (.cse14 (<= (+ ~a18~0 79) 0)) (.cse4 (<= ~a16~0 8)) (.cse10 (= ~a12~0 5)) (.cse3 (<= 4 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse0) (and .cse5 .cse6 .cse3) (and .cse5 .cse7 .cse0 .cse8) (and .cse4 .cse3 .cse1) (and .cse2 .cse3 .cse9) (and .cse10 .cse11 .cse0) (and .cse4 .cse3 .cse12) (and .cse0 .cse12) (and .cse10 .cse11 .cse6 .cse3 .cse8) (and .cse2 .cse3 .cse12) (and .cse10 (<= (+ ~a18~0 391209) 0) .cse2 .cse3) (and .cse4 .cse3 .cse9) (and .cse0 .cse9) (and .cse2 .cse7 .cse0 .cse13 .cse14) (and .cse11 .cse5 .cse0) (and .cse10 (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse11 .cse6 .cse3) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse2 .cse0 .cse13) (and .cse10 .cse7 .cse6 .cse3 .cse14) (and .cse4 .cse10 .cse3)))) [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,928 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,929 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,930 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,931 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-15 09:55:20,932 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-15 09:55:20,933 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,933 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-15 09:55:20,933 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,933 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse2 (= ~a16~0 9))) (let ((.cse1 (= ~a12~0 8)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse12 (= ~a12~0 7)) (.cse9 (= 9 ~a12~0)) (.cse5 (= ~a12~0 6)) (.cse11 (not .cse2)) (.cse0 (= ~a15~0 3)) (.cse13 (<= ~a12~0 5)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse6 (<= ~a16~0 11)) (.cse14 (<= (+ ~a18~0 79) 0)) (.cse4 (<= ~a16~0 8)) (.cse10 (= ~a12~0 5)) (.cse3 (<= 4 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse0) (and .cse5 .cse6 .cse3) (and .cse5 .cse7 .cse0 .cse8) (and .cse4 .cse3 .cse1) (and .cse2 .cse3 .cse9) (and .cse10 .cse11 .cse0) (and .cse4 .cse3 .cse12) (and .cse0 .cse12) (and .cse10 .cse11 .cse6 .cse3 .cse8) (and .cse2 .cse3 .cse12) (and .cse10 (<= (+ ~a18~0 391209) 0) .cse2 .cse3) (and .cse4 .cse3 .cse9) (and .cse0 .cse9) (and .cse2 .cse7 .cse0 .cse13 .cse14) (and .cse11 .cse5 .cse0) (and .cse10 (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse11 .cse6 .cse3) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse2 .cse0 .cse13) (and .cse10 .cse7 .cse6 .cse3 .cse14) (and .cse4 .cse10 .cse3)))) [2021-12-15 09:55:20,933 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,933 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,933 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,933 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,934 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,934 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,934 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,934 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,934 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:55:20,934 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,934 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,934 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,935 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,935 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,935 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,935 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-15 09:55:20,935 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,935 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-15 09:55:20,935 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-15 09:55:20,935 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,936 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-12-15 09:55:20,936 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,936 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,936 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,936 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,936 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,936 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,936 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,936 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,937 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,938 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:55:20,939 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse2 (= ~a16~0 9))) (let ((.cse1 (= ~a12~0 8)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse12 (= ~a12~0 7)) (.cse9 (= 9 ~a12~0)) (.cse5 (= ~a12~0 6)) (.cse11 (not .cse2)) (.cse0 (= ~a15~0 3)) (.cse13 (<= ~a12~0 5)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse6 (<= ~a16~0 11)) (.cse14 (<= (+ ~a18~0 79) 0)) (.cse4 (<= ~a16~0 8)) (.cse10 (= ~a12~0 5)) (.cse3 (<= 4 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse0) (and .cse5 .cse6 .cse3) (and .cse5 .cse7 .cse0 .cse8) (and .cse4 .cse3 .cse1) (and .cse2 .cse3 .cse9) (and .cse10 .cse11 .cse0) (and .cse4 .cse3 .cse12) (and .cse0 .cse12) (and .cse10 .cse11 .cse6 .cse3 .cse8) (and .cse2 .cse3 .cse12) (and .cse10 (<= (+ ~a18~0 391209) 0) .cse2 .cse3) (and .cse4 .cse3 .cse9) (and .cse0 .cse9) (and .cse2 .cse7 .cse0 .cse13 .cse14) (and .cse11 .cse5 .cse0) (and .cse10 (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse11 .cse6 .cse3) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse2 .cse0 .cse13) (and .cse10 .cse7 .cse6 .cse3 .cse14) (and .cse4 .cse10 .cse3)))) [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,940 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-15 09:55:20,941 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,942 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-15 09:55:20,943 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,944 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,945 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,945 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,945 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,945 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-15 09:55:20,945 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,945 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-15 09:55:20,945 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-15 09:55:20,946 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,946 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,946 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,946 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,946 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,946 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,947 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,947 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,947 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,947 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,947 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,947 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,947 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,948 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,949 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,950 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,951 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,952 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,953 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,954 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,955 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,956 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,957 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,957 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,957 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-15 09:55:20,957 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-15 09:55:20,957 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,957 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,957 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,957 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,958 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,958 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,958 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-12-15 09:55:20,958 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,958 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,958 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,958 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-15 09:55:20,959 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-12-15 09:55:20,959 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,959 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,959 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-12-15 09:55:20,959 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-15 09:55:20,959 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-15 09:55:20,959 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-15 09:55:20,961 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:55:20,962 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:55:20,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:55:20 BoogieIcfgContainer [2021-12-15 09:55:20,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:55:20,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:55:20,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:55:20,984 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:55:20,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:54:29" (3/4) ... [2021-12-15 09:55:20,986 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:55:21,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-15 09:55:21,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:55:21,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:55:21,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:55:21,133 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:55:21,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:55:21,134 INFO L158 Benchmark]: Toolchain (without parser) took 54217.81ms. Allocated memory was 107.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 65.1MB in the beginning and 854.9MB in the end (delta: -789.8MB). Peak memory consumption was 583.2MB. Max. memory is 16.1GB. [2021-12-15 09:55:21,134 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:55:21,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.55ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 64.9MB in the beginning and 92.9MB in the end (delta: -28.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-12-15 09:55:21,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.73ms. Allocated memory is still 140.5MB. Free memory was 92.9MB in the beginning and 69.4MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 09:55:21,135 INFO L158 Benchmark]: Boogie Preprocessor took 99.76ms. Allocated memory is still 140.5MB. Free memory was 69.4MB in the beginning and 56.0MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 09:55:21,135 INFO L158 Benchmark]: RCFGBuilder took 1444.61ms. Allocated memory was 140.5MB in the beginning and 234.9MB in the end (delta: 94.4MB). Free memory was 56.0MB in the beginning and 111.2MB in the end (delta: -55.2MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2021-12-15 09:55:21,136 INFO L158 Benchmark]: TraceAbstraction took 51693.91ms. Allocated memory was 234.9MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 110.2MB in the beginning and 893.7MB in the end (delta: -783.6MB). Peak memory consumption was 971.8MB. Max. memory is 16.1GB. [2021-12-15 09:55:21,137 INFO L158 Benchmark]: Witness Printer took 149.66ms. Allocated memory is still 1.5GB. Free memory was 893.7MB in the beginning and 854.9MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 09:55:21,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.55ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 64.9MB in the beginning and 92.9MB in the end (delta: -28.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.73ms. Allocated memory is still 140.5MB. Free memory was 92.9MB in the beginning and 69.4MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.76ms. Allocated memory is still 140.5MB. Free memory was 69.4MB in the beginning and 56.0MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1444.61ms. Allocated memory was 140.5MB in the beginning and 234.9MB in the end (delta: 94.4MB). Free memory was 56.0MB in the beginning and 111.2MB in the end (delta: -55.2MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * TraceAbstraction took 51693.91ms. Allocated memory was 234.9MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 110.2MB in the beginning and 893.7MB in the end (delta: -783.6MB). Peak memory consumption was 971.8MB. Max. memory is 16.1GB. * Witness Printer took 149.66ms. Allocated memory is still 1.5GB. Free memory was 893.7MB in the beginning and 854.9MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. 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: 131]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.6s, OverallIterations: 20, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4946 SdHoareTripleChecker+Valid, 15.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4946 mSDsluCounter, 6237 SdHoareTripleChecker+Invalid, 12.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 2592 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17411 IncrementalHoareTripleChecker+Invalid, 20003 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2592 mSolverCounterUnsat, 6114 mSDtfsCounter, 17411 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14114 GetRequests, 14051 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16125occurred in iteration=19, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 5922 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 192 NumberOfFragments, 787 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1104 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 4 FomulaSimplificationsInter, 4719 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 23.3s InterpolantComputationTime, 36255 NumberOfCodeBlocks, 36255 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 36227 ConstructedInterpolants, 0 QuantifiedInterpolants, 95728 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16277 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 102812/106605 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a15 == 3 && a12 == 8) || ((a16 == 9 && 4 <= a15) && a12 == 8)) || (a16 <= 8 && a15 == 3)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || (((a12 == 6 && 0 < a18 + 156) && a15 == 3) && a18 + 87 <= 0)) || ((a16 <= 8 && 4 <= a15) && a12 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a12 == 5 && !(a16 == 9)) && a15 == 3)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || ((((a12 == 5 && !(a16 == 9)) && a16 <= 11) && 4 <= a15) && a18 + 87 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || (((a12 == 5 && a18 + 391209 <= 0) && a16 == 9) && 4 <= a15)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((((a16 == 9 && 0 < a18 + 156) && a15 == 3) && a12 <= 5) && a18 + 79 <= 0)) || ((!(a16 == 9) && a12 == 6) && a15 == 3)) || ((((a12 == 5 && a18 / -2 + 79 <= 0) && !(a16 == 9)) && a16 <= 11) && 4 <= a15)) || (((0 < (a18 + -135) / 299932 + 1 && a16 == 9) && a15 == 3) && a12 <= 5)) || ((((a12 == 5 && 0 < a18 + 156) && a16 <= 11) && 4 <= a15) && a18 + 79 <= 0)) || ((a16 <= 8 && a12 == 5) && 4 <= a15) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a15 == 3 && a12 == 8) || ((a16 == 9 && 4 <= a15) && a12 == 8)) || (a16 <= 8 && a15 == 3)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || (((a12 == 6 && 0 < a18 + 156) && a15 == 3) && a18 + 87 <= 0)) || ((a16 <= 8 && 4 <= a15) && a12 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a12 == 5 && !(a16 == 9)) && a15 == 3)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || ((((a12 == 5 && !(a16 == 9)) && a16 <= 11) && 4 <= a15) && a18 + 87 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || (((a12 == 5 && a18 + 391209 <= 0) && a16 == 9) && 4 <= a15)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((((a16 == 9 && 0 < a18 + 156) && a15 == 3) && a12 <= 5) && a18 + 79 <= 0)) || ((!(a16 == 9) && a12 == 6) && a15 == 3)) || ((((a12 == 5 && a18 / -2 + 79 <= 0) && !(a16 == 9)) && a16 <= 11) && 4 <= a15)) || (((0 < (a18 + -135) / 299932 + 1 && a16 == 9) && a15 == 3) && a12 <= 5)) || ((((a12 == 5 && 0 < a18 + 156) && a16 <= 11) && 4 <= a15) && a18 + 79 <= 0)) || ((a16 <= 8 && a12 == 5) && 4 <= a15) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a15 == 3 && a12 == 8) || ((a16 == 9 && 4 <= a15) && a12 == 8)) || (a16 <= 8 && a15 == 3)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || (((a12 == 6 && 0 < a18 + 156) && a15 == 3) && a18 + 87 <= 0)) || ((a16 <= 8 && 4 <= a15) && a12 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a12 == 5 && !(a16 == 9)) && a15 == 3)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || ((((a12 == 5 && !(a16 == 9)) && a16 <= 11) && 4 <= a15) && a18 + 87 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || (((a12 == 5 && a18 + 391209 <= 0) && a16 == 9) && 4 <= a15)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((((a16 == 9 && 0 < a18 + 156) && a15 == 3) && a12 <= 5) && a18 + 79 <= 0)) || ((!(a16 == 9) && a12 == 6) && a15 == 3)) || ((((a12 == 5 && a18 / -2 + 79 <= 0) && !(a16 == 9)) && a16 <= 11) && 4 <= a15)) || (((0 < (a18 + -135) / 299932 + 1 && a16 == 9) && a15 == 3) && a12 <= 5)) || ((((a12 == 5 && 0 < a18 + 156) && a16 <= 11) && 4 <= a15) && a18 + 79 <= 0)) || ((a16 <= 8 && a12 == 5) && 4 <= a15) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 09:55:21,164 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