./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label27.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 7c6f0a8bc653ee68bba5d1e7193079f2216382bf70b295e228b301f341587f5f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 23:40:18,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 23:40:18,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 23:40:18,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 23:40:18,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 23:40:18,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 23:40:18,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 23:40:18,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 23:40:18,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 23:40:18,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 23:40:18,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 23:40:18,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 23:40:18,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 23:40:18,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 23:40:18,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 23:40:18,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 23:40:18,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 23:40:18,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 23:40:18,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 23:40:18,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 23:40:18,646 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 23:40:18,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 23:40:18,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 23:40:18,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 23:40:18,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 23:40:18,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 23:40:18,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 23:40:18,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 23:40:18,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 23:40:18,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 23:40:18,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 23:40:18,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 23:40:18,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 23:40:18,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 23:40:18,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 23:40:18,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 23:40:18,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 23:40:18,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 23:40:18,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 23:40:18,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 23:40:18,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 23:40:18,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 23:40:18,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 23:40:18,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 23:40:18,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 23:40:18,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 23:40:18,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 23:40:18,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 23:40:18,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 23:40:18,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 23:40:18,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 23:40:18,684 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 23:40:18,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 23:40:18,685 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 23:40:18,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 23:40:18,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 23:40:18,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 23:40:18,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 23:40:18,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 23:40:18,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 23:40:18,698 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 23:40:18,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 23:40:18,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 23:40:18,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 23:40:18,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 23:40:18,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 23:40:18,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 23:40:18,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:40:18,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 23:40:18,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 23:40:18,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 23:40:18,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 23:40:18,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 23:40:18,702 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 23:40:18,702 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 23:40:18,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 23:40:18,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c6f0a8bc653ee68bba5d1e7193079f2216382bf70b295e228b301f341587f5f [2022-07-20 23:40:19,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 23:40:19,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 23:40:19,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 23:40:19,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 23:40:19,073 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 23:40:19,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label27.c [2022-07-20 23:40:19,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2b09547/7c4c6f0354d14bf88fd978f7ef7d0f4a/FLAGfa590cceb [2022-07-20 23:40:19,720 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 23:40:19,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label27.c [2022-07-20 23:40:19,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2b09547/7c4c6f0354d14bf88fd978f7ef7d0f4a/FLAGfa590cceb [2022-07-20 23:40:20,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2b09547/7c4c6f0354d14bf88fd978f7ef7d0f4a [2022-07-20 23:40:20,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 23:40:20,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 23:40:20,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 23:40:20,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 23:40:20,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 23:40:20,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177f990a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20, skipping insertion in model container [2022-07-20 23:40:20,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 23:40:20,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 23:40:20,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label27.c[6152,6165] [2022-07-20 23:40:20,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:40:20,563 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 23:40:20,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label27.c[6152,6165] [2022-07-20 23:40:20,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:40:20,777 INFO L208 MainTranslator]: Completed translation [2022-07-20 23:40:20,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20 WrapperNode [2022-07-20 23:40:20,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 23:40:20,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 23:40:20,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 23:40:20,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 23:40:20,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,903 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-20 23:40:20,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 23:40:20,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 23:40:20,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 23:40:20,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 23:40:20,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:20,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:21,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:21,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 23:40:21,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 23:40:21,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 23:40:21,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 23:40:21,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (1/1) ... [2022-07-20 23:40:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:40:21,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:40:21,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 23:40:21,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 23:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 23:40:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 23:40:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 23:40:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 23:40:21,187 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 23:40:21,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 23:40:22,688 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 23:40:22,701 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 23:40:22,702 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 23:40:22,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:22 BoogieIcfgContainer [2022-07-20 23:40:22,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 23:40:22,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 23:40:22,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 23:40:22,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 23:40:22,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:40:20" (1/3) ... [2022-07-20 23:40:22,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5521d835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:40:22, skipping insertion in model container [2022-07-20 23:40:22,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:20" (2/3) ... [2022-07-20 23:40:22,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5521d835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:40:22, skipping insertion in model container [2022-07-20 23:40:22,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:22" (3/3) ... [2022-07-20 23:40:22,713 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label27.c [2022-07-20 23:40:22,725 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 23:40:22,725 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 23:40:22,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 23:40:22,775 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@215ecc38, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39515d10 [2022-07-20 23:40:22,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 23:40:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-20 23:40:22,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:22,787 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] [2022-07-20 23:40:22,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:22,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:22,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2022-07-20 23:40:22,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:22,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571212442] [2022-07-20 23:40:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:22,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:23,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:23,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571212442] [2022-07-20 23:40:23,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571212442] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:23,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:23,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:23,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363418291] [2022-07-20 23:40:23,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:23,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:23,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:23,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:23,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:23,082 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:24,085 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-20 23:40:24,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:24,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-07-20 23:40:24,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:24,101 INFO L225 Difference]: With dead ends: 761 [2022-07-20 23:40:24,101 INFO L226 Difference]: Without dead ends: 413 [2022-07-20 23:40:24,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:24,112 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 186 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:24,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 23:40:24,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-20 23:40:24,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-20 23:40:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-20 23:40:24,197 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 42 [2022-07-20 23:40:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:24,201 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-20 23:40:24,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-20 23:40:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-20 23:40:24,207 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:24,208 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:24,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 23:40:24,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:24,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:24,210 INFO L85 PathProgramCache]: Analyzing trace with hash -931056718, now seen corresponding path program 1 times [2022-07-20 23:40:24,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:24,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013820933] [2022-07-20 23:40:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:24,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:24,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:24,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013820933] [2022-07-20 23:40:24,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013820933] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:24,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:24,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:24,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807842389] [2022-07-20 23:40:24,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:24,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:24,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:24,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:24,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:24,405 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:25,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:25,134 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-20 23:40:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:25,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-07-20 23:40:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:25,140 INFO L225 Difference]: With dead ends: 1211 [2022-07-20 23:40:25,140 INFO L226 Difference]: Without dead ends: 800 [2022-07-20 23:40:25,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:25,143 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:25,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:25,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-20 23:40:25,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-20 23:40:25,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2022-07-20 23:40:25,173 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 110 [2022-07-20 23:40:25,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:25,174 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2022-07-20 23:40:25,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2022-07-20 23:40:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-20 23:40:25,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:25,177 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:25,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 23:40:25,177 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:25,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:25,178 INFO L85 PathProgramCache]: Analyzing trace with hash -533535347, now seen corresponding path program 1 times [2022-07-20 23:40:25,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:25,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382909308] [2022-07-20 23:40:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:25,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:25,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:25,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382909308] [2022-07-20 23:40:25,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382909308] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:25,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:25,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:25,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517227675] [2022-07-20 23:40:25,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:25,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:25,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:25,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:25,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:25,301 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:25,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:25,956 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2022-07-20 23:40:25,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:25,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-07-20 23:40:25,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:25,962 INFO L225 Difference]: With dead ends: 1945 [2022-07-20 23:40:25,962 INFO L226 Difference]: Without dead ends: 1158 [2022-07-20 23:40:25,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:25,965 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:25,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:25,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-20 23:40:25,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-20 23:40:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2022-07-20 23:40:25,990 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 112 [2022-07-20 23:40:25,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:25,990 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2022-07-20 23:40:25,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2022-07-20 23:40:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-20 23:40:25,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:25,993 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:25,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 23:40:25,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:25,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:25,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1645744975, now seen corresponding path program 1 times [2022-07-20 23:40:25,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:25,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278773385] [2022-07-20 23:40:25,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:25,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:26,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:26,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278773385] [2022-07-20 23:40:26,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278773385] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:26,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:26,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:26,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715952376] [2022-07-20 23:40:26,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:26,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:40:26,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:26,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:40:26,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:26,129 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:27,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:27,337 INFO L93 Difference]: Finished difference Result 3445 states and 4564 transitions. [2022-07-20 23:40:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:40:27,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2022-07-20 23:40:27,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:27,349 INFO L225 Difference]: With dead ends: 3445 [2022-07-20 23:40:27,349 INFO L226 Difference]: Without dead ends: 2474 [2022-07-20 23:40:27,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:27,361 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 322 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:27,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 95 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 23:40:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2022-07-20 23:40:27,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2473. [2022-07-20 23:40:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2473 states, 2472 states have (on average 1.286812297734628) internal successors, (3181), 2472 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:27,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3181 transitions. [2022-07-20 23:40:27,415 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3181 transitions. Word has length 169 [2022-07-20 23:40:27,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:27,417 INFO L495 AbstractCegarLoop]: Abstraction has 2473 states and 3181 transitions. [2022-07-20 23:40:27,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:27,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3181 transitions. [2022-07-20 23:40:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-20 23:40:27,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:27,422 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:40:27,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 23:40:27,423 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:27,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:27,424 INFO L85 PathProgramCache]: Analyzing trace with hash -756200215, now seen corresponding path program 1 times [2022-07-20 23:40:27,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:27,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728174909] [2022-07-20 23:40:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:27,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-20 23:40:27,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:27,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728174909] [2022-07-20 23:40:27,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728174909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:27,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:27,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:27,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948715609] [2022-07-20 23:40:27,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:27,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:27,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:27,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:27,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:27,625 INFO L87 Difference]: Start difference. First operand 2473 states and 3181 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:28,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:28,401 INFO L93 Difference]: Finished difference Result 5690 states and 7506 transitions. [2022-07-20 23:40:28,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:28,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 224 [2022-07-20 23:40:28,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:28,416 INFO L225 Difference]: With dead ends: 5690 [2022-07-20 23:40:28,417 INFO L226 Difference]: Without dead ends: 3587 [2022-07-20 23:40:28,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:28,425 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 155 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:28,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 393 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3587 states. [2022-07-20 23:40:28,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3587 to 3578. [2022-07-20 23:40:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3578 states, 3577 states have (on average 1.25020967291026) internal successors, (4472), 3577 states have internal predecessors, (4472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 4472 transitions. [2022-07-20 23:40:28,526 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 4472 transitions. Word has length 224 [2022-07-20 23:40:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:28,527 INFO L495 AbstractCegarLoop]: Abstraction has 3578 states and 4472 transitions. [2022-07-20 23:40:28,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 4472 transitions. [2022-07-20 23:40:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-07-20 23:40:28,534 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:28,534 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:40:28,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 23:40:28,536 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:28,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:28,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1234528902, now seen corresponding path program 1 times [2022-07-20 23:40:28,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:28,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665876608] [2022-07-20 23:40:28,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:28,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:28,676 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-20 23:40:28,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:28,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665876608] [2022-07-20 23:40:28,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665876608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:28,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:28,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:28,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841023443] [2022-07-20 23:40:28,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:28,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:28,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:28,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:28,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:28,679 INFO L87 Difference]: Start difference. First operand 3578 states and 4472 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:29,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:29,472 INFO L93 Difference]: Finished difference Result 8082 states and 10282 transitions. [2022-07-20 23:40:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:29,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2022-07-20 23:40:29,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:29,490 INFO L225 Difference]: With dead ends: 8082 [2022-07-20 23:40:29,490 INFO L226 Difference]: Without dead ends: 4690 [2022-07-20 23:40:29,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:29,496 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 154 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:29,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:29,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4690 states. [2022-07-20 23:40:29,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4690 to 4682. [2022-07-20 23:40:29,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4682 states, 4681 states have (on average 1.230506302072207) internal successors, (5760), 4681 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4682 states to 4682 states and 5760 transitions. [2022-07-20 23:40:29,583 INFO L78 Accepts]: Start accepts. Automaton has 4682 states and 5760 transitions. Word has length 230 [2022-07-20 23:40:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:29,584 INFO L495 AbstractCegarLoop]: Abstraction has 4682 states and 5760 transitions. [2022-07-20 23:40:29,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4682 states and 5760 transitions. [2022-07-20 23:40:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 23:40:29,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:29,588 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:29,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 23:40:29,588 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:29,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:29,589 INFO L85 PathProgramCache]: Analyzing trace with hash 832494091, now seen corresponding path program 1 times [2022-07-20 23:40:29,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:29,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136893209] [2022-07-20 23:40:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:29,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-20 23:40:29,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:29,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136893209] [2022-07-20 23:40:29,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136893209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:29,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:29,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:29,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432146459] [2022-07-20 23:40:29,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:29,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:29,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:29,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:29,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:29,697 INFO L87 Difference]: Start difference. First operand 4682 states and 5760 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:30,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:30,436 INFO L93 Difference]: Finished difference Result 10127 states and 12816 transitions. [2022-07-20 23:40:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:30,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2022-07-20 23:40:30,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:30,462 INFO L225 Difference]: With dead ends: 10127 [2022-07-20 23:40:30,462 INFO L226 Difference]: Without dead ends: 6557 [2022-07-20 23:40:30,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:30,470 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 194 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:30,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 351 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:30,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6557 states. [2022-07-20 23:40:30,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6557 to 6552. [2022-07-20 23:40:30,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6552 states, 6551 states have (on average 1.2398107159212335) internal successors, (8122), 6551 states have internal predecessors, (8122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6552 states to 6552 states and 8122 transitions. [2022-07-20 23:40:30,594 INFO L78 Accepts]: Start accepts. Automaton has 6552 states and 8122 transitions. Word has length 236 [2022-07-20 23:40:30,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:30,594 INFO L495 AbstractCegarLoop]: Abstraction has 6552 states and 8122 transitions. [2022-07-20 23:40:30,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 6552 states and 8122 transitions. [2022-07-20 23:40:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-20 23:40:30,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:30,602 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:30,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 23:40:30,602 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:30,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1561755943, now seen corresponding path program 1 times [2022-07-20 23:40:30,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:30,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823848504] [2022-07-20 23:40:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:30,756 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-20 23:40:30,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:30,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823848504] [2022-07-20 23:40:30,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823848504] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:30,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:30,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:30,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802254098] [2022-07-20 23:40:30,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:30,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:30,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:30,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:30,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:30,759 INFO L87 Difference]: Start difference. First operand 6552 states and 8122 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:31,459 INFO L93 Difference]: Finished difference Result 12754 states and 15900 transitions. [2022-07-20 23:40:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:31,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 301 [2022-07-20 23:40:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:31,484 INFO L225 Difference]: With dead ends: 12754 [2022-07-20 23:40:31,484 INFO L226 Difference]: Without dead ends: 6572 [2022-07-20 23:40:31,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:31,493 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 137 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:31,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 345 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:31,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6572 states. [2022-07-20 23:40:31,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6368. [2022-07-20 23:40:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6368 states, 6367 states have (on average 1.19396890215172) internal successors, (7602), 6367 states have internal predecessors, (7602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:31,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6368 states to 6368 states and 7602 transitions. [2022-07-20 23:40:31,640 INFO L78 Accepts]: Start accepts. Automaton has 6368 states and 7602 transitions. Word has length 301 [2022-07-20 23:40:31,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:31,641 INFO L495 AbstractCegarLoop]: Abstraction has 6368 states and 7602 transitions. [2022-07-20 23:40:31,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6368 states and 7602 transitions. [2022-07-20 23:40:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-20 23:40:31,648 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:31,649 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:31,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 23:40:31,651 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:31,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:31,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1727303645, now seen corresponding path program 1 times [2022-07-20 23:40:31,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:31,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202360918] [2022-07-20 23:40:31,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:31,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-20 23:40:31,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:31,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202360918] [2022-07-20 23:40:31,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202360918] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:31,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:31,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:31,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646525971] [2022-07-20 23:40:31,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:31,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:31,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:31,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:31,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:31,805 INFO L87 Difference]: Start difference. First operand 6368 states and 7602 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:32,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:32,462 INFO L93 Difference]: Finished difference Result 11961 states and 14348 transitions. [2022-07-20 23:40:32,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:32,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 302 [2022-07-20 23:40:32,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:32,479 INFO L225 Difference]: With dead ends: 11961 [2022-07-20 23:40:32,479 INFO L226 Difference]: Without dead ends: 5963 [2022-07-20 23:40:32,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:32,486 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 161 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:32,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 150 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:32,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5963 states. [2022-07-20 23:40:32,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5963 to 5777. [2022-07-20 23:40:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 5776 states have (on average 1.143005540166205) internal successors, (6602), 5776 states have internal predecessors, (6602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 6602 transitions. [2022-07-20 23:40:32,569 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 6602 transitions. Word has length 302 [2022-07-20 23:40:32,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:32,570 INFO L495 AbstractCegarLoop]: Abstraction has 5777 states and 6602 transitions. [2022-07-20 23:40:32,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 6602 transitions. [2022-07-20 23:40:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-20 23:40:32,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:32,577 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:32,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 23:40:32,577 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:32,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:32,578 INFO L85 PathProgramCache]: Analyzing trace with hash -475459102, now seen corresponding path program 1 times [2022-07-20 23:40:32,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:32,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728312860] [2022-07-20 23:40:32,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:32,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-07-20 23:40:32,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:32,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728312860] [2022-07-20 23:40:32,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728312860] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:32,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:32,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:32,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127133716] [2022-07-20 23:40:32,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:32,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:32,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:32,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:32,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:32,706 INFO L87 Difference]: Start difference. First operand 5777 states and 6602 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:33,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:33,352 INFO L93 Difference]: Finished difference Result 11731 states and 13447 transitions. [2022-07-20 23:40:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:33,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 307 [2022-07-20 23:40:33,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:33,366 INFO L225 Difference]: With dead ends: 11731 [2022-07-20 23:40:33,366 INFO L226 Difference]: Without dead ends: 7064 [2022-07-20 23:40:33,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:33,374 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 180 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:33,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 146 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7064 states. [2022-07-20 23:40:33,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7064 to 4480. [2022-07-20 23:40:33,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4480 states, 4479 states have (on average 1.1431123018530922) internal successors, (5120), 4479 states have internal predecessors, (5120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4480 states to 4480 states and 5120 transitions. [2022-07-20 23:40:33,457 INFO L78 Accepts]: Start accepts. Automaton has 4480 states and 5120 transitions. Word has length 307 [2022-07-20 23:40:33,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:33,458 INFO L495 AbstractCegarLoop]: Abstraction has 4480 states and 5120 transitions. [2022-07-20 23:40:33,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 4480 states and 5120 transitions. [2022-07-20 23:40:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-07-20 23:40:33,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:33,466 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:40:33,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 23:40:33,467 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:33,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash 545119418, now seen corresponding path program 1 times [2022-07-20 23:40:33,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:33,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565294115] [2022-07-20 23:40:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:33,673 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:33,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:33,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565294115] [2022-07-20 23:40:33,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565294115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:33,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:33,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:33,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777565265] [2022-07-20 23:40:33,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:33,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:33,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:33,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:33,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:33,676 INFO L87 Difference]: Start difference. First operand 4480 states and 5120 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:34,395 INFO L93 Difference]: Finished difference Result 11719 states and 13483 transitions. [2022-07-20 23:40:34,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:34,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 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 344 [2022-07-20 23:40:34,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:34,409 INFO L225 Difference]: With dead ends: 11719 [2022-07-20 23:40:34,409 INFO L226 Difference]: Without dead ends: 7609 [2022-07-20 23:40:34,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:34,415 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 59 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:34,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 72 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:34,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2022-07-20 23:40:34,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7604. [2022-07-20 23:40:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7604 states, 7603 states have (on average 1.1379718532158358) internal successors, (8652), 7603 states have internal predecessors, (8652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7604 states to 7604 states and 8652 transitions. [2022-07-20 23:40:34,554 INFO L78 Accepts]: Start accepts. Automaton has 7604 states and 8652 transitions. Word has length 344 [2022-07-20 23:40:34,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:34,555 INFO L495 AbstractCegarLoop]: Abstraction has 7604 states and 8652 transitions. [2022-07-20 23:40:34,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 7604 states and 8652 transitions. [2022-07-20 23:40:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-07-20 23:40:34,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:34,568 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 23:40:34,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 23:40:34,569 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:34,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:34,569 INFO L85 PathProgramCache]: Analyzing trace with hash -830854078, now seen corresponding path program 1 times [2022-07-20 23:40:34,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:34,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421966638] [2022-07-20 23:40:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:34,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:34,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:34,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421966638] [2022-07-20 23:40:34,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421966638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:34,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:34,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:40:34,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295025481] [2022-07-20 23:40:34,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:34,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:40:34,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:34,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:40:34,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:34,746 INFO L87 Difference]: Start difference. First operand 7604 states and 8652 transitions. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:35,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:35,796 INFO L93 Difference]: Finished difference Result 18155 states and 20711 transitions. [2022-07-20 23:40:35,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:40:35,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 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 347 [2022-07-20 23:40:35,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:35,817 INFO L225 Difference]: With dead ends: 18155 [2022-07-20 23:40:35,817 INFO L226 Difference]: Without dead ends: 10921 [2022-07-20 23:40:35,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:35,825 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 243 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:35,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 59 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 23:40:35,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10921 states. [2022-07-20 23:40:35,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10921 to 9814. [2022-07-20 23:40:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9814 states, 9813 states have (on average 1.120350555385713) internal successors, (10994), 9813 states have internal predecessors, (10994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9814 states to 9814 states and 10994 transitions. [2022-07-20 23:40:35,964 INFO L78 Accepts]: Start accepts. Automaton has 9814 states and 10994 transitions. Word has length 347 [2022-07-20 23:40:35,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:35,964 INFO L495 AbstractCegarLoop]: Abstraction has 9814 states and 10994 transitions. [2022-07-20 23:40:35,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 9814 states and 10994 transitions. [2022-07-20 23:40:35,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-07-20 23:40:35,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:35,980 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:35,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 23:40:35,981 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:35,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:35,981 INFO L85 PathProgramCache]: Analyzing trace with hash -645462609, now seen corresponding path program 1 times [2022-07-20 23:40:35,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:35,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327448002] [2022-07-20 23:40:35,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:35,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-20 23:40:36,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:36,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327448002] [2022-07-20 23:40:36,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327448002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:36,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:36,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:40:36,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260604474] [2022-07-20 23:40:36,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:36,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:40:36,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:36,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:40:36,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:36,192 INFO L87 Difference]: Start difference. First operand 9814 states and 10994 transitions. Second operand has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:37,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:37,287 INFO L93 Difference]: Finished difference Result 21101 states and 23697 transitions. [2022-07-20 23:40:37,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:40:37,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 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 421 [2022-07-20 23:40:37,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:37,303 INFO L225 Difference]: With dead ends: 21101 [2022-07-20 23:40:37,303 INFO L226 Difference]: Without dead ends: 11657 [2022-07-20 23:40:37,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:40:37,310 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 243 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:37,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 59 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 23:40:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11657 states. [2022-07-20 23:40:37,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11657 to 9814. [2022-07-20 23:40:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9814 states, 9813 states have (on average 1.120350555385713) internal successors, (10994), 9813 states have internal predecessors, (10994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9814 states to 9814 states and 10994 transitions. [2022-07-20 23:40:37,426 INFO L78 Accepts]: Start accepts. Automaton has 9814 states and 10994 transitions. Word has length 421 [2022-07-20 23:40:37,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:37,427 INFO L495 AbstractCegarLoop]: Abstraction has 9814 states and 10994 transitions. [2022-07-20 23:40:37,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 9814 states and 10994 transitions. [2022-07-20 23:40:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2022-07-20 23:40:37,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:37,445 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:37,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 23:40:37,446 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:37,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1954952988, now seen corresponding path program 1 times [2022-07-20 23:40:37,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:37,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920898095] [2022-07-20 23:40:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 973 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2022-07-20 23:40:37,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:37,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920898095] [2022-07-20 23:40:37,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920898095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:37,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:37,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:37,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832447772] [2022-07-20 23:40:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:37,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:37,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:37,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:37,717 INFO L87 Difference]: Start difference. First operand 9814 states and 10994 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:38,356 INFO L93 Difference]: Finished difference Result 20914 states and 23478 transitions. [2022-07-20 23:40:38,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:38,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 740 [2022-07-20 23:40:38,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:38,379 INFO L225 Difference]: With dead ends: 20914 [2022-07-20 23:40:38,380 INFO L226 Difference]: Without dead ends: 10364 [2022-07-20 23:40:38,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:38,390 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 197 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:38,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 347 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10364 states. [2022-07-20 23:40:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10364 to 10364. [2022-07-20 23:40:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10364 states, 10363 states have (on average 1.1002605423140017) internal successors, (11402), 10363 states have internal predecessors, (11402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10364 states to 10364 states and 11402 transitions. [2022-07-20 23:40:38,550 INFO L78 Accepts]: Start accepts. Automaton has 10364 states and 11402 transitions. Word has length 740 [2022-07-20 23:40:38,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:38,551 INFO L495 AbstractCegarLoop]: Abstraction has 10364 states and 11402 transitions. [2022-07-20 23:40:38,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 10364 states and 11402 transitions. [2022-07-20 23:40:38,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2022-07-20 23:40:38,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:38,570 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-07-20 23:40:38,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 23:40:38,571 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:38,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:38,571 INFO L85 PathProgramCache]: Analyzing trace with hash 754672283, now seen corresponding path program 1 times [2022-07-20 23:40:38,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:38,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796837734] [2022-07-20 23:40:38,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:38,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 1461 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2022-07-20 23:40:38,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:38,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796837734] [2022-07-20 23:40:38,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796837734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:38,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:38,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:38,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135117838] [2022-07-20 23:40:38,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:38,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:38,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:38,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:38,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:38,897 INFO L87 Difference]: Start difference. First operand 10364 states and 11402 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:39,510 INFO L93 Difference]: Finished difference Result 21091 states and 23196 transitions. [2022-07-20 23:40:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:39,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 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 840 [2022-07-20 23:40:39,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:39,512 INFO L225 Difference]: With dead ends: 21091 [2022-07-20 23:40:39,512 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 23:40:39,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:39,523 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 60 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:39,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 313 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:40:39,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 23:40:39,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 23:40:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 23:40:39,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 840 [2022-07-20 23:40:39,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:39,525 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 23:40:39,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 23:40:39,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 23:40:39,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 23:40:39,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 23:40:39,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-20 23:40:41,582 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:40:41,582 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,582 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:40:41,582 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,582 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,583 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,583 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,583 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,583 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,583 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-20 23:40:41,583 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,584 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,585 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,586 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-20 23:40:41,586 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-20 23:40:41,586 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-20 23:40:41,586 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,586 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,586 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,587 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse1 (= ~a25~0 11)) (.cse7 (<= (+ ~a23~0 43) 0)) (.cse3 (= ~a25~0 13)) (.cse10 (<= ~a29~0 274)) (.cse6 (<= ~a23~0 138)) (.cse8 (<= (+ ~a29~0 22) 0)) (.cse0 (= ~a4~0 0)) (.cse5 (<= ~a25~0 10)) (.cse9 (<= ~a29~0 599999)) (.cse2 (<= ~a29~0 599998)) (.cse11 (= ~a25~0 12)) (.cse4 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 (<= ~a23~0 312)) (and .cse3 .cse2 .cse4) (and .cse5 .cse6 (not .cse7) .cse4) (and .cse3 .cse0 .cse8 .cse6) (and .cse1 .cse9 .cse4) (and .cse3 .cse7 .cse0 .cse10) (and .cse7 .cse0 .cse5 .cse2) (and .cse3 .cse9 (<= (+ ~a23~0 599772) 0) .cse4) (and .cse0 .cse10 .cse5 .cse6) (and .cse0 .cse8 .cse5) (and .cse11 .cse0 .cse2) (and .cse5 .cse9 .cse4) (and .cse11 (<= 307 ~a23~0) .cse2 .cse4) (and (<= (+ ~a29~0 21) 0) .cse11 .cse4))) [2022-07-20 23:40:41,587 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,587 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:40:41,587 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:40:41,587 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,587 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,587 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,588 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,588 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,588 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,588 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-20 23:40:41,588 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-20 23:40:41,588 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-20 23:40:41,588 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-20 23:40:41,588 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,589 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,589 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,589 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,589 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,589 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,589 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,589 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-20 23:40:41,589 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-20 23:40:41,590 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-20 23:40:41,590 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,590 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,590 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,590 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,590 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,590 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,591 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,591 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,591 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,591 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-20 23:40:41,591 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-20 23:40:41,591 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-20 23:40:41,591 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,592 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse1 (= ~a25~0 11)) (.cse7 (<= (+ ~a23~0 43) 0)) (.cse3 (= ~a25~0 13)) (.cse10 (<= ~a29~0 274)) (.cse6 (<= ~a23~0 138)) (.cse8 (<= (+ ~a29~0 22) 0)) (.cse0 (= ~a4~0 0)) (.cse5 (<= ~a25~0 10)) (.cse9 (<= ~a29~0 599999)) (.cse2 (<= ~a29~0 599998)) (.cse11 (= ~a25~0 12)) (.cse4 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 (<= ~a23~0 312)) (and .cse3 .cse2 .cse4) (and .cse5 .cse6 (not .cse7) .cse4) (and .cse3 .cse0 .cse8 .cse6) (and .cse1 .cse9 .cse4) (and .cse3 .cse7 .cse0 .cse10) (and .cse7 .cse0 .cse5 .cse2) (and .cse3 .cse9 (<= (+ ~a23~0 599772) 0) .cse4) (and .cse0 .cse10 .cse5 .cse6) (and .cse0 .cse8 .cse5) (and .cse11 .cse0 .cse2) (and .cse5 .cse9 .cse4) (and .cse11 (<= 307 ~a23~0) .cse2 .cse4) (and (<= (+ ~a29~0 21) 0) .cse11 .cse4))) [2022-07-20 23:40:41,592 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,592 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,592 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,592 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,592 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,592 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,592 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,593 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,593 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-20 23:40:41,593 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-20 23:40:41,593 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-20 23:40:41,593 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:40:41,593 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:40:41,593 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:40:41,593 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:40:41,594 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,594 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,594 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,594 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,594 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,594 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,594 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,594 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,595 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,595 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,595 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-20 23:40:41,595 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-20 23:40:41,595 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-20 23:40:41,595 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-20 23:40:41,595 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-20 23:40:41,595 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,596 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,596 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,596 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,596 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,596 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-20 23:40:41,596 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-20 23:40:41,596 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-20 23:40:41,596 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,597 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,597 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,597 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,597 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:40:41,597 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:40:41,597 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,597 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,597 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,598 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,598 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,598 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,598 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:40:41,598 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:40:41,598 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,598 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,598 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-20 23:40:41,599 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-20 23:40:41,599 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-20 23:40:41,599 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-20 23:40:41,599 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2022-07-20 23:40:41,599 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,599 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,599 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,600 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,600 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,600 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,600 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,600 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-20 23:40:41,600 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-20 23:40:41,600 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-20 23:40:41,600 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:40:41,601 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:40:41,601 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:40:41,601 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:40:41,601 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,601 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,601 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:40:41,601 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:40:41,601 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,602 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,602 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,602 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,602 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,602 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-20 23:40:41,602 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-20 23:40:41,602 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-20 23:40:41,602 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,603 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,603 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,603 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,603 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,603 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,603 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-20 23:40:41,603 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-20 23:40:41,603 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-20 23:40:41,604 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,604 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,604 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,604 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,604 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,604 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,604 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,605 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,605 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-20 23:40:41,605 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-20 23:40:41,605 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-20 23:40:41,605 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,605 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,605 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,605 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,606 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,606 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,606 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,606 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,606 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,606 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,606 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,607 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:40:41,607 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:40:41,607 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-20 23:40:41,607 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-20 23:40:41,607 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-20 23:40:41,607 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,607 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,607 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,608 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,608 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,608 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,608 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,608 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-20 23:40:41,608 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-20 23:40:41,608 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-20 23:40:41,608 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,609 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,609 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,609 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:40:41,609 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:40:41,609 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,609 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,609 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,609 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,610 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,610 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-20 23:40:41,610 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-20 23:40:41,610 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,610 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,610 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:40:41,610 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:40:41,610 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,611 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-20 23:40:41,611 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,611 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,611 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,611 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,611 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,611 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-20 23:40:41,611 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-20 23:40:41,612 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:40:41,612 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:40:41,612 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,612 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,612 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,612 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,612 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,612 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,613 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,613 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,613 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-20 23:40:41,613 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-20 23:40:41,613 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:40:41,613 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:40:41,613 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:40:41,613 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:40:41,614 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,614 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,614 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,614 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,614 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,614 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,614 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,615 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-20 23:40:41,615 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-20 23:40:41,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-20 23:40:41,615 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,615 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,615 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,615 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,616 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,617 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,617 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,617 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-20 23:40:41,617 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:40:41,617 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,617 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,617 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-20 23:40:41,617 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-20 23:40:41,618 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-20 23:40:41,618 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-20 23:40:41,621 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:41,623 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 23:40:41,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:40:41 BoogieIcfgContainer [2022-07-20 23:40:41,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 23:40:41,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 23:40:41,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 23:40:41,641 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 23:40:41,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:22" (3/4) ... [2022-07-20 23:40:41,643 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-20 23:40:41,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-20 23:40:41,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-20 23:40:41,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-20 23:40:41,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-20 23:40:41,766 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 23:40:41,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 23:40:41,767 INFO L158 Benchmark]: Toolchain (without parser) took 21761.55ms. Allocated memory was 58.7MB in the beginning and 526.4MB in the end (delta: 467.7MB). Free memory was 34.6MB in the beginning and 214.4MB in the end (delta: -179.8MB). Peak memory consumption was 287.0MB. Max. memory is 16.1GB. [2022-07-20 23:40:41,768 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 23:40:41,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.00ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 34.4MB in the beginning and 40.9MB in the end (delta: -6.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-07-20 23:40:41,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.84ms. Allocated memory is still 73.4MB. Free memory was 40.9MB in the beginning and 37.6MB in the end (delta: 3.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-20 23:40:41,770 INFO L158 Benchmark]: Boogie Preprocessor took 137.64ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 36.7MB in the end (delta: 902.0kB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-07-20 23:40:41,771 INFO L158 Benchmark]: RCFGBuilder took 1660.48ms. Allocated memory was 73.4MB in the beginning and 136.3MB in the end (delta: 62.9MB). Free memory was 36.7MB in the beginning and 96.9MB in the end (delta: -60.2MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-07-20 23:40:41,771 INFO L158 Benchmark]: TraceAbstraction took 18932.14ms. Allocated memory was 136.3MB in the beginning and 526.4MB in the end (delta: 390.1MB). Free memory was 96.4MB in the beginning and 229.1MB in the end (delta: -132.7MB). Peak memory consumption was 380.7MB. Max. memory is 16.1GB. [2022-07-20 23:40:41,772 INFO L158 Benchmark]: Witness Printer took 126.18ms. Allocated memory is still 526.4MB. Free memory was 229.1MB in the beginning and 214.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-20 23:40:41,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.00ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 34.4MB in the beginning and 40.9MB in the end (delta: -6.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.84ms. Allocated memory is still 73.4MB. Free memory was 40.9MB in the beginning and 37.6MB in the end (delta: 3.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.64ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 36.7MB in the end (delta: 902.0kB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1660.48ms. Allocated memory was 73.4MB in the beginning and 136.3MB in the end (delta: 62.9MB). Free memory was 36.7MB in the beginning and 96.9MB in the end (delta: -60.2MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * TraceAbstraction took 18932.14ms. Allocated memory was 136.3MB in the beginning and 526.4MB in the end (delta: 390.1MB). Free memory was 96.4MB in the beginning and 229.1MB in the end (delta: -132.7MB). Peak memory consumption was 380.7MB. Max. memory is 16.1GB. * Witness Printer took 126.18ms. Allocated memory is still 526.4MB. Free memory was 229.1MB in the beginning and 214.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 142]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2552 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2552 mSDsluCounter, 3253 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 1760 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9671 IncrementalHoareTripleChecker+Invalid, 11431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1760 mSolverCounterUnsat, 2880 mSDtfsCounter, 9671 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10364occurred in iteration=14, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 5964 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 137 NumberOfFragments, 361 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1826 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4680 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 4725 NumberOfCodeBlocks, 4725 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4710 ConstructedInterpolants, 0 QuantifiedInterpolants, 8257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 6112/6112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && !(a23 + 43 <= 0)) && a4 == 1)) || (((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && a23 <= 138)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || (((a25 == 13 && a23 + 43 <= 0) && a4 == 0) && a29 <= 274)) || (((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998)) || (((a25 == 13 && a29 <= 599999) && a23 + 599772 <= 0) && a4 == 1)) || (((a4 == 0 && a29 <= 274) && a25 <= 10) && a23 <= 138)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((a25 == 12 && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a29 <= 599999) && a4 == 1)) || (((a25 == 12 && 307 <= a23) && a29 <= 599998) && a4 == 1)) || ((a29 + 21 <= 0 && a25 == 12) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && !(a23 + 43 <= 0)) && a4 == 1)) || (((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && a23 <= 138)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || (((a25 == 13 && a23 + 43 <= 0) && a4 == 0) && a29 <= 274)) || (((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998)) || (((a25 == 13 && a29 <= 599999) && a23 + 599772 <= 0) && a4 == 1)) || (((a4 == 0 && a29 <= 274) && a25 <= 10) && a23 <= 138)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((a25 == 12 && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a29 <= 599999) && a4 == 1)) || (((a25 == 12 && 307 <= a23) && a29 <= 599998) && a4 == 1)) || ((a29 + 21 <= 0 && a25 == 12) && a4 == 1) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-20 23:40:41,815 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