./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label23.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 db3674d4e110d61289adcfc52216f8004ef1ec49416f84e6bf350103cb2e8879 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 11:45:02,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 11:45:02,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 11:45:02,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 11:45:02,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 11:45:02,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 11:45:02,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 11:45:02,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 11:45:02,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 11:45:02,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 11:45:02,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 11:45:02,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 11:45:02,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 11:45:02,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 11:45:02,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 11:45:02,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 11:45:02,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 11:45:02,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 11:45:02,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 11:45:02,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 11:45:02,719 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 11:45:02,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 11:45:02,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 11:45:02,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 11:45:02,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 11:45:02,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 11:45:02,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 11:45:02,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 11:45:02,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 11:45:02,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 11:45:02,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 11:45:02,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 11:45:02,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 11:45:02,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 11:45:02,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 11:45:02,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 11:45:02,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 11:45:02,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 11:45:02,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 11:45:02,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 11:45:02,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 11:45:02,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 11:45:02,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 11:45:02,757 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 11:45:02,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 11:45:02,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 11:45:02,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 11:45:02,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 11:45:02,759 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 11:45:02,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 11:45:02,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 11:45:02,760 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 11:45:02,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 11:45:02,761 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 11:45:02,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 11:45:02,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 11:45:02,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 11:45:02,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 11:45:02,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 11:45:02,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 11:45:02,762 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 11:45:02,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 11:45:02,763 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 11:45:02,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 11:45:02,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 11:45:02,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 11:45:02,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 11:45:02,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:45:02,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 11:45:02,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 11:45:02,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 11:45:02,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 11:45:02,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 11:45:02,768 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 11:45:02,768 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 11:45:02,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 11:45:02,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db3674d4e110d61289adcfc52216f8004ef1ec49416f84e6bf350103cb2e8879 [2022-07-13 11:45:02,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 11:45:03,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 11:45:03,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 11:45:03,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 11:45:03,008 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 11:45:03,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label23.c [2022-07-13 11:45:03,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ffcffdf/e9b04f671161454cb72e1b31c36d7e33/FLAGa88929097 [2022-07-13 11:45:03,499 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 11:45:03,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label23.c [2022-07-13 11:45:03,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ffcffdf/e9b04f671161454cb72e1b31c36d7e33/FLAGa88929097 [2022-07-13 11:45:03,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ffcffdf/e9b04f671161454cb72e1b31c36d7e33 [2022-07-13 11:45:03,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 11:45:03,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 11:45:03,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 11:45:03,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 11:45:03,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 11:45:03,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:03,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef3aa30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03, skipping insertion in model container [2022-07-13 11:45:03,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:03,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 11:45:03,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 11:45:03,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label23.c[20538,20551] [2022-07-13 11:45:03,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:45:03,866 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 11:45:03,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label23.c[20538,20551] [2022-07-13 11:45:03,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:45:03,942 INFO L208 MainTranslator]: Completed translation [2022-07-13 11:45:03,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03 WrapperNode [2022-07-13 11:45:03,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 11:45:03,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 11:45:03,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 11:45:03,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 11:45:03,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:03,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,015 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-07-13 11:45:04,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 11:45:04,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 11:45:04,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 11:45:04,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 11:45:04,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 11:45:04,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 11:45:04,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 11:45:04,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 11:45:04,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (1/1) ... [2022-07-13 11:45:04,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:45:04,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:45:04,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 11:45:04,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 11:45:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 11:45:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 11:45:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 11:45:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 11:45:04,222 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 11:45:04,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 11:45:04,865 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 11:45:04,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 11:45:04,873 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 11:45:04,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:45:04 BoogieIcfgContainer [2022-07-13 11:45:04,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 11:45:04,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 11:45:04,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 11:45:04,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 11:45:04,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:45:03" (1/3) ... [2022-07-13 11:45:04,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e6ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:45:04, skipping insertion in model container [2022-07-13 11:45:04,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:45:03" (2/3) ... [2022-07-13 11:45:04,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e6ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:45:04, skipping insertion in model container [2022-07-13 11:45:04,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:45:04" (3/3) ... [2022-07-13 11:45:04,882 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label23.c [2022-07-13 11:45:04,891 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 11:45:04,891 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 11:45:04,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 11:45:04,967 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@311ec28, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1facbd5e [2022-07-13 11:45:04,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 11:45:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-13 11:45:04,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:05,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:05,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:05,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash 724191355, now seen corresponding path program 1 times [2022-07-13 11:45:05,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:05,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731659395] [2022-07-13 11:45:05,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:05,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:45:05,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:05,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731659395] [2022-07-13 11:45:05,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731659395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:05,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:05,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:45:05,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420773400] [2022-07-13 11:45:05,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:05,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:05,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:05,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:05,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:05,357 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:05,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:05,884 INFO L93 Difference]: Finished difference Result 639 states and 1082 transitions. [2022-07-13 11:45:05,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:05,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-07-13 11:45:05,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:05,902 INFO L225 Difference]: With dead ends: 639 [2022-07-13 11:45:05,902 INFO L226 Difference]: Without dead ends: 318 [2022-07-13 11:45:05,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:05,910 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 76 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:05,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 136 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 11:45:05,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-07-13 11:45:05,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2022-07-13 11:45:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 312 states have (on average 1.4711538461538463) internal successors, (459), 312 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2022-07-13 11:45:05,955 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 133 [2022-07-13 11:45:05,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:05,955 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2022-07-13 11:45:05,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2022-07-13 11:45:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-13 11:45:05,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:05,961 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:05,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 11:45:05,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:05,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:05,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1132661744, now seen corresponding path program 1 times [2022-07-13 11:45:05,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:05,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496841321] [2022-07-13 11:45:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:45:06,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:06,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496841321] [2022-07-13 11:45:06,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496841321] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:06,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:06,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:45:06,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100444686] [2022-07-13 11:45:06,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:06,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:06,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:06,018 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:06,405 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2022-07-13 11:45:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:06,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-07-13 11:45:06,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:06,408 INFO L225 Difference]: With dead ends: 910 [2022-07-13 11:45:06,408 INFO L226 Difference]: Without dead ends: 599 [2022-07-13 11:45:06,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:06,410 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 143 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:06,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 115 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 11:45:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-07-13 11:45:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2022-07-13 11:45:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.2974789915966387) internal successors, (772), 595 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2022-07-13 11:45:06,431 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 137 [2022-07-13 11:45:06,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:06,431 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2022-07-13 11:45:06,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2022-07-13 11:45:06,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-13 11:45:06,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:06,434 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:06,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 11:45:06,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:06,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:06,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1972136261, now seen corresponding path program 1 times [2022-07-13 11:45:06,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:06,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99447131] [2022-07-13 11:45:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:06,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:45:06,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:06,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99447131] [2022-07-13 11:45:06,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99447131] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:06,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:06,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:45:06,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230059933] [2022-07-13 11:45:06,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:06,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:06,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:06,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:06,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:06,491 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:06,864 INFO L93 Difference]: Finished difference Result 1477 states and 1967 transitions. [2022-07-13 11:45:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:06,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-07-13 11:45:06,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:06,871 INFO L225 Difference]: With dead ends: 1477 [2022-07-13 11:45:06,871 INFO L226 Difference]: Without dead ends: 883 [2022-07-13 11:45:06,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:06,872 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:06,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 255 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:45:06,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2022-07-13 11:45:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 880. [2022-07-13 11:45:06,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 879 states have (on average 1.235494880546075) internal successors, (1086), 879 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:06,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1086 transitions. [2022-07-13 11:45:06,901 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1086 transitions. Word has length 142 [2022-07-13 11:45:06,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:06,902 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1086 transitions. [2022-07-13 11:45:06,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:06,902 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1086 transitions. [2022-07-13 11:45:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-13 11:45:06,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:06,904 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:06,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 11:45:06,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:06,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:06,905 INFO L85 PathProgramCache]: Analyzing trace with hash 185899162, now seen corresponding path program 1 times [2022-07-13 11:45:06,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:06,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960454999] [2022-07-13 11:45:06,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:06,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:45:06,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:06,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960454999] [2022-07-13 11:45:06,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960454999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:06,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:06,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:45:06,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043017682] [2022-07-13 11:45:06,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:06,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:06,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:06,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:06,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:06,998 INFO L87 Difference]: Start difference. First operand 880 states and 1086 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:07,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:07,298 INFO L93 Difference]: Finished difference Result 2181 states and 2701 transitions. [2022-07-13 11:45:07,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:07,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-07-13 11:45:07,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:07,302 INFO L225 Difference]: With dead ends: 2181 [2022-07-13 11:45:07,302 INFO L226 Difference]: Without dead ends: 1303 [2022-07-13 11:45:07,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:07,304 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 16 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:07,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 270 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:45:07,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2022-07-13 11:45:07,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1300. [2022-07-13 11:45:07,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1299 states have (on average 1.1862971516551193) internal successors, (1541), 1299 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1541 transitions. [2022-07-13 11:45:07,321 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1541 transitions. Word has length 142 [2022-07-13 11:45:07,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:07,322 INFO L495 AbstractCegarLoop]: Abstraction has 1300 states and 1541 transitions. [2022-07-13 11:45:07,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1541 transitions. [2022-07-13 11:45:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-13 11:45:07,324 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:07,324 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:07,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 11:45:07,324 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:07,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:07,325 INFO L85 PathProgramCache]: Analyzing trace with hash -49381900, now seen corresponding path program 1 times [2022-07-13 11:45:07,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:07,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509782388] [2022-07-13 11:45:07,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:07,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 11:45:07,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:07,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509782388] [2022-07-13 11:45:07,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509782388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:07,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:07,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:45:07,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943616649] [2022-07-13 11:45:07,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:07,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:07,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:07,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:07,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:07,353 INFO L87 Difference]: Start difference. First operand 1300 states and 1541 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:07,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:07,648 INFO L93 Difference]: Finished difference Result 3298 states and 3956 transitions. [2022-07-13 11:45:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:07,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-07-13 11:45:07,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:07,653 INFO L225 Difference]: With dead ends: 3298 [2022-07-13 11:45:07,653 INFO L226 Difference]: Without dead ends: 2000 [2022-07-13 11:45:07,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:07,656 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 174 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:07,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 99 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:45:07,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2022-07-13 11:45:07,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 2000. [2022-07-13 11:45:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1999 states have (on average 1.168584292146073) internal successors, (2336), 1999 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2336 transitions. [2022-07-13 11:45:07,686 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2336 transitions. Word has length 147 [2022-07-13 11:45:07,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:07,686 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2336 transitions. [2022-07-13 11:45:07,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2336 transitions. [2022-07-13 11:45:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-13 11:45:07,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:07,692 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:07,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 11:45:07,693 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:07,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:07,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1264073784, now seen corresponding path program 1 times [2022-07-13 11:45:07,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:07,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926885925] [2022-07-13 11:45:07,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:07,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-13 11:45:07,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:07,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926885925] [2022-07-13 11:45:07,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926885925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:07,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:07,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:45:07,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275438784] [2022-07-13 11:45:07,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:07,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:07,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:07,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:07,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:07,782 INFO L87 Difference]: Start difference. First operand 2000 states and 2336 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:08,112 INFO L93 Difference]: Finished difference Result 5257 states and 6196 transitions. [2022-07-13 11:45:08,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:08,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-07-13 11:45:08,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:08,122 INFO L225 Difference]: With dead ends: 5257 [2022-07-13 11:45:08,122 INFO L226 Difference]: Without dead ends: 3259 [2022-07-13 11:45:08,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:08,126 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 85 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:08,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 44 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:45:08,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3259 states. [2022-07-13 11:45:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3259 to 2279. [2022-07-13 11:45:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2279 states, 2278 states have (on average 1.2023705004389815) internal successors, (2739), 2278 states have internal predecessors, (2739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 2279 states and 2739 transitions. [2022-07-13 11:45:08,165 INFO L78 Accepts]: Start accepts. Automaton has 2279 states and 2739 transitions. Word has length 163 [2022-07-13 11:45:08,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:08,165 INFO L495 AbstractCegarLoop]: Abstraction has 2279 states and 2739 transitions. [2022-07-13 11:45:08,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 2739 transitions. [2022-07-13 11:45:08,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-13 11:45:08,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:08,169 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:08,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 11:45:08,169 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:08,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:08,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1476042895, now seen corresponding path program 1 times [2022-07-13 11:45:08,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:08,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537607342] [2022-07-13 11:45:08,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:08,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-13 11:45:08,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:08,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537607342] [2022-07-13 11:45:08,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537607342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:08,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:08,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:45:08,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484911020] [2022-07-13 11:45:08,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:08,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:08,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:08,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:08,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:08,219 INFO L87 Difference]: Start difference. First operand 2279 states and 2739 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:08,490 INFO L93 Difference]: Finished difference Result 4558 states and 5478 transitions. [2022-07-13 11:45:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:08,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 188 [2022-07-13 11:45:08,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:08,496 INFO L225 Difference]: With dead ends: 4558 [2022-07-13 11:45:08,496 INFO L226 Difference]: Without dead ends: 2281 [2022-07-13 11:45:08,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:08,499 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 162 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:08,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 58 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 11:45:08,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2022-07-13 11:45:08,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2139. [2022-07-13 11:45:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2138 states have (on average 1.1828811973807296) internal successors, (2529), 2138 states have internal predecessors, (2529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2529 transitions. [2022-07-13 11:45:08,535 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2529 transitions. Word has length 188 [2022-07-13 11:45:08,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:08,535 INFO L495 AbstractCegarLoop]: Abstraction has 2139 states and 2529 transitions. [2022-07-13 11:45:08,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2529 transitions. [2022-07-13 11:45:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-07-13 11:45:08,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:08,539 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:08,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 11:45:08,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:08,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:08,539 INFO L85 PathProgramCache]: Analyzing trace with hash 886503739, now seen corresponding path program 1 times [2022-07-13 11:45:08,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:08,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083602703] [2022-07-13 11:45:08,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:08,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-13 11:45:08,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:08,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083602703] [2022-07-13 11:45:08,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083602703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:08,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:08,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:45:08,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198411127] [2022-07-13 11:45:08,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:08,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:08,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:08,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:08,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:08,574 INFO L87 Difference]: Start difference. First operand 2139 states and 2529 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:08,853 INFO L93 Difference]: Finished difference Result 3995 states and 4730 transitions. [2022-07-13 11:45:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:08,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 192 [2022-07-13 11:45:08,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:08,860 INFO L225 Difference]: With dead ends: 3995 [2022-07-13 11:45:08,860 INFO L226 Difference]: Without dead ends: 1858 [2022-07-13 11:45:08,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:08,862 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 144 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:08,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 272 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:45:08,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2022-07-13 11:45:08,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1853. [2022-07-13 11:45:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1852 states have (on average 1.1490280777537798) internal successors, (2128), 1852 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2128 transitions. [2022-07-13 11:45:08,886 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2128 transitions. Word has length 192 [2022-07-13 11:45:08,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:08,886 INFO L495 AbstractCegarLoop]: Abstraction has 1853 states and 2128 transitions. [2022-07-13 11:45:08,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2128 transitions. [2022-07-13 11:45:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-13 11:45:08,889 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:08,890 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:08,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 11:45:08,890 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:08,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:08,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1653956261, now seen corresponding path program 1 times [2022-07-13 11:45:08,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:08,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754898056] [2022-07-13 11:45:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:08,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-13 11:45:08,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:08,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754898056] [2022-07-13 11:45:08,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754898056] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:08,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:08,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:45:08,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779286918] [2022-07-13 11:45:08,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:08,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:08,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:08,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:08,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:08,934 INFO L87 Difference]: Start difference. First operand 1853 states and 2128 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:09,097 INFO L93 Difference]: Finished difference Result 3269 states and 3787 transitions. [2022-07-13 11:45:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:09,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2022-07-13 11:45:09,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:09,102 INFO L225 Difference]: With dead ends: 3269 [2022-07-13 11:45:09,102 INFO L226 Difference]: Without dead ends: 1276 [2022-07-13 11:45:09,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:09,105 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 187 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:09,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 20 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 11:45:09,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2022-07-13 11:45:09,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1276. [2022-07-13 11:45:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1275 states have (on average 1.1270588235294117) internal successors, (1437), 1275 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1437 transitions. [2022-07-13 11:45:09,128 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1437 transitions. Word has length 202 [2022-07-13 11:45:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:09,128 INFO L495 AbstractCegarLoop]: Abstraction has 1276 states and 1437 transitions. [2022-07-13 11:45:09,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1437 transitions. [2022-07-13 11:45:09,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-13 11:45:09,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:09,132 INFO L195 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:09,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 11:45:09,133 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:09,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:09,133 INFO L85 PathProgramCache]: Analyzing trace with hash 363224497, now seen corresponding path program 1 times [2022-07-13 11:45:09,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:09,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55356845] [2022-07-13 11:45:09,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:09,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-13 11:45:09,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:09,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55356845] [2022-07-13 11:45:09,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55356845] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:09,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:09,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:45:09,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463753086] [2022-07-13 11:45:09,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:09,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:09,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:09,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:09,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:09,193 INFO L87 Difference]: Start difference. First operand 1276 states and 1437 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:09,494 INFO L93 Difference]: Finished difference Result 2832 states and 3233 transitions. [2022-07-13 11:45:09,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:09,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-07-13 11:45:09,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:09,499 INFO L225 Difference]: With dead ends: 2832 [2022-07-13 11:45:09,499 INFO L226 Difference]: Without dead ends: 1698 [2022-07-13 11:45:09,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:09,500 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 131 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:09,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 186 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:45:09,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2022-07-13 11:45:09,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1697. [2022-07-13 11:45:09,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1696 states have (on average 1.1226415094339623) internal successors, (1904), 1696 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1904 transitions. [2022-07-13 11:45:09,528 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 1904 transitions. Word has length 231 [2022-07-13 11:45:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:09,529 INFO L495 AbstractCegarLoop]: Abstraction has 1697 states and 1904 transitions. [2022-07-13 11:45:09,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1904 transitions. [2022-07-13 11:45:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-13 11:45:09,532 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:09,532 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:09,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 11:45:09,533 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:09,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:09,533 INFO L85 PathProgramCache]: Analyzing trace with hash 311285573, now seen corresponding path program 1 times [2022-07-13 11:45:09,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:09,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033900430] [2022-07-13 11:45:09,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:09,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-13 11:45:09,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:09,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033900430] [2022-07-13 11:45:09,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033900430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:09,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:45:09,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:45:09,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889971854] [2022-07-13 11:45:09,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:09,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:09,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:09,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:09,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:09,581 INFO L87 Difference]: Start difference. First operand 1697 states and 1904 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:09,827 INFO L93 Difference]: Finished difference Result 3811 states and 4287 transitions. [2022-07-13 11:45:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:09,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-07-13 11:45:09,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:09,832 INFO L225 Difference]: With dead ends: 3811 [2022-07-13 11:45:09,832 INFO L226 Difference]: Without dead ends: 2256 [2022-07-13 11:45:09,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:45:09,834 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 146 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:09,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 33 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 11:45:09,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2022-07-13 11:45:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 1696. [2022-07-13 11:45:09,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1695 states have (on average 1.1221238938053097) internal successors, (1902), 1695 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 1902 transitions. [2022-07-13 11:45:09,855 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 1902 transitions. Word has length 231 [2022-07-13 11:45:09,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:09,855 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 1902 transitions. [2022-07-13 11:45:09,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 1902 transitions. [2022-07-13 11:45:09,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-13 11:45:09,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:45:09,858 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:09,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 11:45:09,859 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:45:09,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:45:09,859 INFO L85 PathProgramCache]: Analyzing trace with hash -461205200, now seen corresponding path program 1 times [2022-07-13 11:45:09,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:45:09,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104303006] [2022-07-13 11:45:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:09,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:45:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:45:09,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:45:09,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104303006] [2022-07-13 11:45:09,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104303006] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 11:45:09,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065723524] [2022-07-13 11:45:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:45:09,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:45:09,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:45:09,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 11:45:09,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 11:45:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:45:10,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 11:45:10,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 11:45:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-13 11:45:10,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 11:45:10,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065723524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:45:10,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 11:45:10,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 11:45:10,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952906774] [2022-07-13 11:45:10,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:45:10,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:45:10,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:45:10,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:45:10,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 11:45:10,228 INFO L87 Difference]: Start difference. First operand 1696 states and 1902 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:45:10,522 INFO L93 Difference]: Finished difference Result 3247 states and 3655 transitions. [2022-07-13 11:45:10,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:45:10,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-07-13 11:45:10,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:45:10,523 INFO L225 Difference]: With dead ends: 3247 [2022-07-13 11:45:10,523 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 11:45:10,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 11:45:10,527 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 26 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:45:10,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 195 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:45:10,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 11:45:10,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 11:45:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 11:45:10,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2022-07-13 11:45:10,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:45:10,528 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 11:45:10,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:45:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 11:45:10,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 11:45:10,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 11:45:10,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 11:45:10,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-13 11:45:10,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-07-13 11:45:11,304 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,305 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,306 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-07-13 11:45:11,307 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-07-13 11:45:11,308 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-07-13 11:45:11,309 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L895 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse4 (<= 9 ~a28~0)) (.cse3 (<= ~a19~0 0)) (.cse5 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse9 (= ~a25~0 ~a11~0)) (.cse2 (= ~a25~0 0)) (.cse10 (<= ~a28~0 7)) (.cse6 (<= 8 ~a17~0)) (.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10)) (.cse7 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (and (<= 11 ~a28~0) .cse5 .cse0 .cse7 .cse8) (and .cse4 .cse0 .cse1 .cse7 .cse2) (and .cse9 .cse5 .cse0 .cse7 .cse10) (and .cse5 .cse6 .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse3) (and .cse5 .cse6 .cse0 .cse7 .cse8) (and .cse9 .cse6 .cse0 .cse7 .cse2 .cse10) (and (<= 10 ~a28~0) .cse6 .cse0 .cse1 .cse7))) [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L902 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-07-13 11:45:11,310 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,311 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-07-13 11:45:11,313 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-07-13 11:45:11,313 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-07-13 11:45:11,313 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-07-13 11:45:11,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 11:45:11,313 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-07-13 11:45:11,313 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse4 (<= 9 ~a28~0)) (.cse3 (<= ~a19~0 0)) (.cse5 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse9 (= ~a25~0 ~a11~0)) (.cse2 (= ~a25~0 0)) (.cse10 (<= ~a28~0 7)) (.cse6 (<= 8 ~a17~0)) (.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10)) (.cse7 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (and (<= 11 ~a28~0) .cse5 .cse0 .cse7 .cse8) (and .cse4 .cse0 .cse1 .cse7 .cse2) (and .cse9 .cse5 .cse0 .cse7 .cse10) (and .cse5 .cse6 .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse3) (and .cse5 .cse6 .cse0 .cse7 .cse8) (and .cse9 .cse6 .cse0 .cse7 .cse2 .cse10) (and (<= 10 ~a28~0) .cse6 .cse0 .cse1 .cse7))) [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,314 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,315 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-07-13 11:45:11,316 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:45:11,317 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-07-13 11:45:11,318 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-07-13 11:45:11,318 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-07-13 11:45:11,318 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-07-13 11:45:11,318 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-07-13 11:45:11,318 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-07-13 11:45:11,321 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:45:11,322 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 11:45:11,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:45:11 BoogieIcfgContainer [2022-07-13 11:45:11,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 11:45:11,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 11:45:11,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 11:45:11,347 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 11:45:11,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:45:04" (3/4) ... [2022-07-13 11:45:11,349 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 11:45:11,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 11:45:11,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 11:45:11,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 11:45:11,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 11:45:11,451 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 11:45:11,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 11:45:11,452 INFO L158 Benchmark]: Toolchain (without parser) took 7921.47ms. Allocated memory was 86.0MB in the beginning and 209.7MB in the end (delta: 123.7MB). Free memory was 45.3MB in the beginning and 150.7MB in the end (delta: -105.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-07-13 11:45:11,452 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:45:11,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.98ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 45.1MB in the beginning and 83.6MB in the end (delta: -38.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 11:45:11,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.45ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 78.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 11:45:11,452 INFO L158 Benchmark]: Boogie Preprocessor took 59.83ms. Allocated memory is still 123.7MB. Free memory was 78.4MB in the beginning and 74.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 11:45:11,453 INFO L158 Benchmark]: RCFGBuilder took 799.01ms. Allocated memory is still 123.7MB. Free memory was 74.2MB in the beginning and 85.2MB in the end (delta: -11.1MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-07-13 11:45:11,453 INFO L158 Benchmark]: TraceAbstraction took 6470.11ms. Allocated memory was 123.7MB in the beginning and 209.7MB in the end (delta: 86.0MB). Free memory was 84.7MB in the beginning and 161.2MB in the end (delta: -76.5MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. [2022-07-13 11:45:11,453 INFO L158 Benchmark]: Witness Printer took 103.97ms. Allocated memory is still 209.7MB. Free memory was 161.2MB in the beginning and 150.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 11:45:11,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.98ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 45.1MB in the beginning and 83.6MB in the end (delta: -38.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.45ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 78.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.83ms. Allocated memory is still 123.7MB. Free memory was 78.4MB in the beginning and 74.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 799.01ms. Allocated memory is still 123.7MB. Free memory was 74.2MB in the beginning and 85.2MB in the end (delta: -11.1MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6470.11ms. Allocated memory was 123.7MB in the beginning and 209.7MB in the end (delta: 86.0MB). Free memory was 84.7MB in the beginning and 161.2MB in the end (delta: -76.5MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. * Witness Printer took 103.97ms. Allocated memory is still 209.7MB. Free memory was 161.2MB in the beginning and 150.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1434 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1434 mSDsluCounter, 1683 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 161 mSDsCounter, 744 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4199 IncrementalHoareTripleChecker+Invalid, 4943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 744 mSolverCounterUnsat, 1522 mSDtfsCounter, 4199 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2279occurred in iteration=6, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1702 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 31 NumberOfFragments, 341 HoareAnnotationTreeSize, 3 FomulaSimplifications, 100 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 552 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2370 NumberOfCodeBlocks, 2370 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2357 ConstructedInterpolants, 0 QuantifiedInterpolants, 6106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 365 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 954/1012 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((((a17 <= 8 && a28 <= 10) && a25 == 0) && a19 <= 0) || (((((9 <= a28 && a25 == 1) && 8 <= a17) && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((((11 <= a28 && a25 == 1) && a17 <= 8) && a19 == 1) && !(a11 == 1))) || ((((9 <= a28 && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 == 0)) || ((((a25 == a11 && a25 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7)) || (((((a25 == 1 && 8 <= a17) && a17 <= 8) && a28 <= 10) && !(a11 == 1)) && a19 <= 0)) || ((((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10) && a19 <= 0)) || ((((a25 == 1 && 8 <= a17) && a17 <= 8) && a19 == 1) && !(a11 == 1))) || (((((a25 == a11 && 8 <= a17) && a17 <= 8) && a19 == 1) && a25 == 0) && a28 <= 7)) || ((((10 <= a28 && 8 <= a17) && a17 <= 8) && a28 <= 10) && a19 == 1) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((a17 <= 8 && a28 <= 10) && a25 == 0) && a19 <= 0) || (((((9 <= a28 && a25 == 1) && 8 <= a17) && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((((11 <= a28 && a25 == 1) && a17 <= 8) && a19 == 1) && !(a11 == 1))) || ((((9 <= a28 && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 == 0)) || ((((a25 == a11 && a25 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7)) || (((((a25 == 1 && 8 <= a17) && a17 <= 8) && a28 <= 10) && !(a11 == 1)) && a19 <= 0)) || ((((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10) && a19 <= 0)) || ((((a25 == 1 && 8 <= a17) && a17 <= 8) && a19 == 1) && !(a11 == 1))) || (((((a25 == a11 && 8 <= a17) && a17 <= 8) && a19 == 1) && a25 == 0) && a28 <= 7)) || ((((10 <= a28 && 8 <= a17) && a17 <= 8) && a28 <= 10) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2022-07-13 11:45:11,482 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