./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem15_label52.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 0f8565bc5543801b18fd72f9af86ccf360a9fe950b021c6b04fc8ab7186c8456 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 12:45:33,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:45:33,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:45:33,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:45:33,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:45:33,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:45:33,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:45:33,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:45:33,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:45:33,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:45:33,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:45:33,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:45:33,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:45:33,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:45:33,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:45:33,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:45:33,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:45:33,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:45:33,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:45:33,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:45:33,791 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:45:33,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:45:33,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:45:33,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:45:33,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:45:33,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 12:45:33,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 12:45:33,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 12:45:33,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 12:45:33,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 12:45:33,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 12:45:33,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 12:45:33,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 12:45:33,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 12:45:33,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 12:45:33,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 12:45:33,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 12:45:33,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 12:45:33,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 12:45:33,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:45:33,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:45:33,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:45:33,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 12:45:33,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:45:33,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:45:33,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:45:33,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:45:33,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 12:45:33,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 12:45:33,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:45:33,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:45:33,837 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:45:33,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:45:33,838 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:45:33,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:45:33,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:45:33,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:45:33,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 12:45:33,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 12:45:33,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 12:45:33,839 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:45:33,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:45:33,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:45:33,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 12:45:33,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:45:33,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:45:33,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 12:45:33,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 12:45:33,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:45:33,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 12:45:33,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 12:45:33,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:45:33,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 12:45:33,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 12:45:33,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 12:45:33,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 12:45:33,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f8565bc5543801b18fd72f9af86ccf360a9fe950b021c6b04fc8ab7186c8456 [2022-07-22 12:45:34,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:45:34,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:45:34,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:45:34,055 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:45:34,056 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:45:34,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label52.c [2022-07-22 12:45:34,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56409ae9/ec17a08ffa224c54aff543d1f1c81c6d/FLAG57660b298 [2022-07-22 12:45:34,607 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:45:34,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label52.c [2022-07-22 12:45:34,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56409ae9/ec17a08ffa224c54aff543d1f1c81c6d/FLAG57660b298 [2022-07-22 12:45:34,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56409ae9/ec17a08ffa224c54aff543d1f1c81c6d [2022-07-22 12:45:34,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:45:34,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 12:45:34,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:45:34,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:45:34,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:45:34,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:45:34" (1/1) ... [2022-07-22 12:45:34,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c010b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:34, skipping insertion in model container [2022-07-22 12:45:34,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:45:34" (1/1) ... [2022-07-22 12:45:34,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:45:34,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:45:35,097 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/Problem15_label52.c[4872,4885] [2022-07-22 12:45:35,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:45:35,342 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:45:35,356 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/Problem15_label52.c[4872,4885] [2022-07-22 12:45:35,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:45:35,565 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:45:35,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35 WrapperNode [2022-07-22 12:45:35,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:45:35,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:45:35,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:45:35,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:45:35,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,821 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-22 12:45:35,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:45:35,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:45:35,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:45:35,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:45:35,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:45:35,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:45:35,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:45:35,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:45:35,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (1/1) ... [2022-07-22 12:45:35,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 12:45:35,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:45:36,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 12:45:36,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 12:45:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:45:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:45:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:45:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:45:36,079 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:45:36,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:45:37,868 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:45:37,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:45:37,881 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 12:45:37,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:45:37 BoogieIcfgContainer [2022-07-22 12:45:37,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:45:37,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 12:45:37,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 12:45:37,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 12:45:37,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:45:34" (1/3) ... [2022-07-22 12:45:37,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5daba3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:45:37, skipping insertion in model container [2022-07-22 12:45:37,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:45:35" (2/3) ... [2022-07-22 12:45:37,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5daba3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:45:37, skipping insertion in model container [2022-07-22 12:45:37,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:45:37" (3/3) ... [2022-07-22 12:45:37,890 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label52.c [2022-07-22 12:45:37,899 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 12:45:37,899 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 12:45:37,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 12:45:37,955 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@51543d3a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6a7da8a [2022-07-22 12:45:37,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 12:45:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-22 12:45:37,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:37,972 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] [2022-07-22 12:45:37,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:37,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:37,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2022-07-22 12:45:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:37,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385555614] [2022-07-22 12:45:37,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:37,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:38,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:45:38,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:38,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385555614] [2022-07-22 12:45:38,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385555614] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:45:38,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:45:38,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:45:38,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920942282] [2022-07-22 12:45:38,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:45:38,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:45:38,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:38,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:45:38,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:38,141 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:39,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:39,910 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-07-22 12:45:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:45:39,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-07-22 12:45:39,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:39,944 INFO L225 Difference]: With dead ends: 1154 [2022-07-22 12:45:39,944 INFO L226 Difference]: Without dead ends: 665 [2022-07-22 12:45:39,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:39,953 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 282 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:39,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-22 12:45:39,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-22 12:45:40,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-07-22 12:45:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-07-22 12:45:40,023 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 39 [2022-07-22 12:45:40,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:40,024 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-07-22 12:45:40,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-07-22 12:45:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-22 12:45:40,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:40,028 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:45:40,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 12:45:40,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:40,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:40,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2072578409, now seen corresponding path program 1 times [2022-07-22 12:45:40,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:40,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005543333] [2022-07-22 12:45:40,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:40,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:45:40,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:40,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005543333] [2022-07-22 12:45:40,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005543333] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:45:40,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:45:40,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:45:40,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832718977] [2022-07-22 12:45:40,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:45:40,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:45:40,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:40,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:45:40,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:40,200 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:41,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:41,406 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-07-22 12:45:41,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:45:41,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-07-22 12:45:41,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:41,409 INFO L225 Difference]: With dead ends: 1624 [2022-07-22 12:45:41,409 INFO L226 Difference]: Without dead ends: 963 [2022-07-22 12:45:41,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:41,411 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:41,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 12:45:41,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-07-22 12:45:41,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-07-22 12:45:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-07-22 12:45:41,429 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 104 [2022-07-22 12:45:41,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:41,430 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-07-22 12:45:41,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:41,430 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-07-22 12:45:41,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-22 12:45:41,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:41,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:45:41,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 12:45:41,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:41,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:41,446 INFO L85 PathProgramCache]: Analyzing trace with hash 310857094, now seen corresponding path program 1 times [2022-07-22 12:45:41,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:41,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574243856] [2022-07-22 12:45:41,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:41,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:41,567 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:45:41,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:41,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574243856] [2022-07-22 12:45:41,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574243856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:45:41,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:45:41,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:45:41,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962823761] [2022-07-22 12:45:41,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:45:41,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 12:45:41,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:41,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:45:41,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:45:41,570 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:43,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:43,522 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-07-22 12:45:43,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:45:43,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-07-22 12:45:43,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:43,527 INFO L225 Difference]: With dead ends: 2244 [2022-07-22 12:45:43,528 INFO L226 Difference]: Without dead ends: 1582 [2022-07-22 12:45:43,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:45:43,529 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 362 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:43,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 365 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-22 12:45:43,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-07-22 12:45:43,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-07-22 12:45:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2022-07-22 12:45:43,550 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 109 [2022-07-22 12:45:43,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:43,550 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2022-07-22 12:45:43,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2022-07-22 12:45:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-22 12:45:43,553 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:43,553 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:45:43,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 12:45:43,553 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:43,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:43,554 INFO L85 PathProgramCache]: Analyzing trace with hash -793515486, now seen corresponding path program 1 times [2022-07-22 12:45:43,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:43,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781713079] [2022-07-22 12:45:43,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:43,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:45:43,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:43,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781713079] [2022-07-22 12:45:43,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781713079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:45:43,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:45:43,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:45:43,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797571708] [2022-07-22 12:45:43,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:45:43,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:45:43,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:43,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:45:43,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:45:43,652 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 51.25) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:46,442 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions. [2022-07-22 12:45:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:45:46,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2022-07-22 12:45:46,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:46,454 INFO L225 Difference]: With dead ends: 4670 [2022-07-22 12:45:46,454 INFO L226 Difference]: Without dead ends: 3406 [2022-07-22 12:45:46,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:45:46,464 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 490 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:46,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 348 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-22 12:45:46,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2022-07-22 12:45:46,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2022-07-22 12:45:46,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2366863905325445) internal successors, (4180), 3380 states have internal predecessors, (4180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4180 transitions. [2022-07-22 12:45:46,543 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4180 transitions. Word has length 205 [2022-07-22 12:45:46,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:46,545 INFO L495 AbstractCegarLoop]: Abstraction has 3381 states and 4180 transitions. [2022-07-22 12:45:46,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:46,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4180 transitions. [2022-07-22 12:45:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-22 12:45:46,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:46,550 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:45:46,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 12:45:46,551 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:46,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:46,552 INFO L85 PathProgramCache]: Analyzing trace with hash -792100692, now seen corresponding path program 1 times [2022-07-22 12:45:46,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:46,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161881011] [2022-07-22 12:45:46,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:46,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-22 12:45:46,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:46,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161881011] [2022-07-22 12:45:46,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161881011] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:45:46,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:45:46,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:45:46,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032424077] [2022-07-22 12:45:46,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:45:46,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:45:46,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:46,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:45:46,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:46,712 INFO L87 Difference]: Start difference. First operand 3381 states and 4180 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:47,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:47,841 INFO L93 Difference]: Finished difference Result 8563 states and 10754 transitions. [2022-07-22 12:45:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:45:47,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 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 209 [2022-07-22 12:45:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:47,855 INFO L225 Difference]: With dead ends: 8563 [2022-07-22 12:45:47,855 INFO L226 Difference]: Without dead ends: 5483 [2022-07-22 12:45:47,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:47,860 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:47,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 12:45:47,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-07-22 12:45:47,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2022-07-22 12:45:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.16870549570933) internal successors, (6401), 5477 states have internal predecessors, (6401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:47,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6401 transitions. [2022-07-22 12:45:47,967 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6401 transitions. Word has length 209 [2022-07-22 12:45:47,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:47,968 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6401 transitions. [2022-07-22 12:45:47,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6401 transitions. [2022-07-22 12:45:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-07-22 12:45:47,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:47,974 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:45:47,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 12:45:47,975 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:47,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:47,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1757201092, now seen corresponding path program 1 times [2022-07-22 12:45:47,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:47,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221644665] [2022-07-22 12:45:47,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:47,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-22 12:45:48,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:48,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221644665] [2022-07-22 12:45:48,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221644665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:45:48,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:45:48,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:45:48,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323671638] [2022-07-22 12:45:48,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:45:48,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:45:48,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:48,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:45:48,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:48,137 INFO L87 Difference]: Start difference. First operand 5478 states and 6401 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:49,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:49,267 INFO L93 Difference]: Finished difference Result 10655 states and 12489 transitions. [2022-07-22 12:45:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:45:49,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 311 [2022-07-22 12:45:49,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:49,281 INFO L225 Difference]: With dead ends: 10655 [2022-07-22 12:45:49,281 INFO L226 Difference]: Without dead ends: 5478 [2022-07-22 12:45:49,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:49,287 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:49,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 12:45:49,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-07-22 12:45:49,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2022-07-22 12:45:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1676100054774512) internal successors, (6395), 5477 states have internal predecessors, (6395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6395 transitions. [2022-07-22 12:45:49,355 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6395 transitions. Word has length 311 [2022-07-22 12:45:49,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:49,355 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6395 transitions. [2022-07-22 12:45:49,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6395 transitions. [2022-07-22 12:45:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-07-22 12:45:49,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:49,383 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:45:49,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 12:45:49,383 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:49,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:49,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1941377461, now seen corresponding path program 1 times [2022-07-22 12:45:49,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:49,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909980654] [2022-07-22 12:45:49,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:49,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-22 12:45:49,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:49,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909980654] [2022-07-22 12:45:49,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909980654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:45:49,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:45:49,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:45:49,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182557206] [2022-07-22 12:45:49,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:45:49,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:45:49,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:49,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:45:49,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:49,495 INFO L87 Difference]: Start difference. First operand 5478 states and 6395 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:51,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:51,015 INFO L93 Difference]: Finished difference Result 11851 states and 14151 transitions. [2022-07-22 12:45:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:45:51,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 326 [2022-07-22 12:45:51,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:51,031 INFO L225 Difference]: With dead ends: 11851 [2022-07-22 12:45:51,032 INFO L226 Difference]: Without dead ends: 6674 [2022-07-22 12:45:51,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:45:51,037 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 276 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:51,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-22 12:45:51,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-07-22 12:45:51,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4876. [2022-07-22 12:45:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4876 states, 4875 states have (on average 1.1805128205128206) internal successors, (5755), 4875 states have internal predecessors, (5755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4876 states and 5755 transitions. [2022-07-22 12:45:51,100 INFO L78 Accepts]: Start accepts. Automaton has 4876 states and 5755 transitions. Word has length 326 [2022-07-22 12:45:51,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:51,101 INFO L495 AbstractCegarLoop]: Abstraction has 4876 states and 5755 transitions. [2022-07-22 12:45:51,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:51,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 5755 transitions. [2022-07-22 12:45:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-22 12:45:51,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:51,105 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:45:51,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 12:45:51,105 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:51,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:51,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1988464242, now seen corresponding path program 1 times [2022-07-22 12:45:51,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:51,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741352807] [2022-07-22 12:45:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:51,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 73 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:45:51,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:51,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741352807] [2022-07-22 12:45:51,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741352807] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:45:51,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575639564] [2022-07-22 12:45:51,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:51,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:45:51,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:45:51,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:45:51,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 12:45:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:51,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:45:51,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:45:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:45:51,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:45:51,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575639564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:45:51,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:45:51,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-22 12:45:51,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470825084] [2022-07-22 12:45:51,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:45:51,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:45:51,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:51,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:45:51,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:45:51,765 INFO L87 Difference]: Start difference. First operand 4876 states and 5755 transitions. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:52,969 INFO L93 Difference]: Finished difference Result 11855 states and 14250 transitions. [2022-07-22 12:45:52,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:45:52,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 385 [2022-07-22 12:45:52,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:52,995 INFO L225 Difference]: With dead ends: 11855 [2022-07-22 12:45:52,996 INFO L226 Difference]: Without dead ends: 7280 [2022-07-22 12:45:53,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:45:53,001 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 249 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:53,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 345 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 12:45:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7280 states. [2022-07-22 12:45:53,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7280 to 6679. [2022-07-22 12:45:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6679 states, 6678 states have (on average 1.1647199760407307) internal successors, (7778), 6678 states have internal predecessors, (7778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 7778 transitions. [2022-07-22 12:45:53,099 INFO L78 Accepts]: Start accepts. Automaton has 6679 states and 7778 transitions. Word has length 385 [2022-07-22 12:45:53,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:53,100 INFO L495 AbstractCegarLoop]: Abstraction has 6679 states and 7778 transitions. [2022-07-22 12:45:53,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 6679 states and 7778 transitions. [2022-07-22 12:45:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-22 12:45:53,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:53,105 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:45:53,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 12:45:53,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:45:53,323 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:45:53,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:45:53,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1876663847, now seen corresponding path program 1 times [2022-07-22 12:45:53,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:45:53,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646513806] [2022-07-22 12:45:53,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:53,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:45:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 275 proven. 39 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-22 12:45:53,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:45:53,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646513806] [2022-07-22 12:45:53,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646513806] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:45:53,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277524365] [2022-07-22 12:45:53,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:45:53,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:45:53,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:45:53,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:45:53,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 12:45:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:45:53,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 12:45:53,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:45:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 275 proven. 39 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-22 12:45:54,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:45:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 275 proven. 39 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-22 12:45:54,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277524365] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:45:54,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:45:54,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-22 12:45:54,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578019947] [2022-07-22 12:45:54,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:45:54,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 12:45:54,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:45:54,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 12:45:54,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-22 12:45:54,644 INFO L87 Difference]: Start difference. First operand 6679 states and 7778 transitions. Second operand has 9 states, 9 states have (on average 72.66666666666667) internal successors, (654), 8 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:59,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:45:59,723 INFO L93 Difference]: Finished difference Result 19597 states and 22611 transitions. [2022-07-22 12:45:59,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 12:45:59,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 72.66666666666667) internal successors, (654), 8 states have internal predecessors, (654), 0 states have call successors, (0), 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 402 [2022-07-22 12:45:59,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:45:59,733 INFO L225 Difference]: With dead ends: 19597 [2022-07-22 12:45:59,733 INFO L226 Difference]: Without dead ends: 7876 [2022-07-22 12:45:59,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 813 GetRequests, 798 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-07-22 12:45:59,739 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 2436 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 7078 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 7734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 7078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:45:59,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 335 Invalid, 7734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 7078 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-22 12:45:59,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7876 states. [2022-07-22 12:45:59,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7876 to 6976. [2022-07-22 12:45:59,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6976 states, 6975 states have (on average 1.1105376344086022) internal successors, (7746), 6975 states have internal predecessors, (7746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6976 states to 6976 states and 7746 transitions. [2022-07-22 12:45:59,795 INFO L78 Accepts]: Start accepts. Automaton has 6976 states and 7746 transitions. Word has length 402 [2022-07-22 12:45:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:45:59,795 INFO L495 AbstractCegarLoop]: Abstraction has 6976 states and 7746 transitions. [2022-07-22 12:45:59,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 72.66666666666667) internal successors, (654), 8 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:45:59,796 INFO L276 IsEmpty]: Start isEmpty. Operand 6976 states and 7746 transitions. [2022-07-22 12:45:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-22 12:45:59,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:45:59,800 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:45:59,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-22 12:46:00,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-22 12:46:00,015 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:00,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:00,016 INFO L85 PathProgramCache]: Analyzing trace with hash 429176728, now seen corresponding path program 1 times [2022-07-22 12:46:00,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:00,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517793568] [2022-07-22 12:46:00,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:00,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-22 12:46:00,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:00,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517793568] [2022-07-22 12:46:00,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517793568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:00,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:00,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:00,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667990976] [2022-07-22 12:46:00,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:00,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:00,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:00,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:00,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:00,165 INFO L87 Difference]: Start difference. First operand 6976 states and 7746 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:01,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:01,093 INFO L93 Difference]: Finished difference Result 15446 states and 17263 transitions. [2022-07-22 12:46:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:01,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 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 416 [2022-07-22 12:46:01,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:01,103 INFO L225 Difference]: With dead ends: 15446 [2022-07-22 12:46:01,103 INFO L226 Difference]: Without dead ends: 8472 [2022-07-22 12:46:01,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:01,109 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 287 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:01,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 554 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 12:46:01,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8472 states. [2022-07-22 12:46:01,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8472 to 8171. [2022-07-22 12:46:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8170 states have (on average 1.088984088127295) internal successors, (8897), 8170 states have internal predecessors, (8897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:01,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 8897 transitions. [2022-07-22 12:46:01,178 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 8897 transitions. Word has length 416 [2022-07-22 12:46:01,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:01,179 INFO L495 AbstractCegarLoop]: Abstraction has 8171 states and 8897 transitions. [2022-07-22 12:46:01,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 8897 transitions. [2022-07-22 12:46:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2022-07-22 12:46:01,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:01,182 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:46:01,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 12:46:01,183 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:01,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:01,183 INFO L85 PathProgramCache]: Analyzing trace with hash 806528277, now seen corresponding path program 1 times [2022-07-22 12:46:01,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:01,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608815445] [2022-07-22 12:46:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:01,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-22 12:46:01,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:01,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608815445] [2022-07-22 12:46:01,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608815445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:01,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:01,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:01,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441448156] [2022-07-22 12:46:01,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:01,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:01,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:01,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:01,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:01,392 INFO L87 Difference]: Start difference. First operand 8171 states and 8897 transitions. Second operand has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:02,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:02,341 INFO L93 Difference]: Finished difference Result 18736 states and 20446 transitions. [2022-07-22 12:46:02,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:02,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 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 513 [2022-07-22 12:46:02,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:02,354 INFO L225 Difference]: With dead ends: 18736 [2022-07-22 12:46:02,355 INFO L226 Difference]: Without dead ends: 10567 [2022-07-22 12:46:02,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:02,362 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 244 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:02,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 512 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 12:46:02,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10567 states. [2022-07-22 12:46:02,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10567 to 10567. [2022-07-22 12:46:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10567 states, 10566 states have (on average 1.0712663259511641) internal successors, (11319), 10566 states have internal predecessors, (11319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 11319 transitions. [2022-07-22 12:46:02,454 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 11319 transitions. Word has length 513 [2022-07-22 12:46:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:02,455 INFO L495 AbstractCegarLoop]: Abstraction has 10567 states and 11319 transitions. [2022-07-22 12:46:02,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:02,455 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 11319 transitions. [2022-07-22 12:46:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-07-22 12:46:02,458 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:02,460 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:46:02,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 12:46:02,461 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:02,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash -828305129, now seen corresponding path program 1 times [2022-07-22 12:46:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:02,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425105870] [2022-07-22 12:46:02,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:02,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-22 12:46:02,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:02,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425105870] [2022-07-22 12:46:02,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425105870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:02,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:02,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:02,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825014915] [2022-07-22 12:46:02,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:02,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:02,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:02,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:02,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:02,619 INFO L87 Difference]: Start difference. First operand 10567 states and 11319 transitions. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:03,661 INFO L93 Difference]: Finished difference Result 25617 states and 27608 transitions. [2022-07-22 12:46:03,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:03,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 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 540 [2022-07-22 12:46:03,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:03,678 INFO L225 Difference]: With dead ends: 25617 [2022-07-22 12:46:03,679 INFO L226 Difference]: Without dead ends: 15351 [2022-07-22 12:46:03,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:03,690 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 248 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:03,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 128 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 12:46:03,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15351 states. [2022-07-22 12:46:03,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15351 to 14454. [2022-07-22 12:46:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14454 states, 14453 states have (on average 1.0723725178163703) internal successors, (15499), 14453 states have internal predecessors, (15499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14454 states to 14454 states and 15499 transitions. [2022-07-22 12:46:03,828 INFO L78 Accepts]: Start accepts. Automaton has 14454 states and 15499 transitions. Word has length 540 [2022-07-22 12:46:03,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:03,828 INFO L495 AbstractCegarLoop]: Abstraction has 14454 states and 15499 transitions. [2022-07-22 12:46:03,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 14454 states and 15499 transitions. [2022-07-22 12:46:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2022-07-22 12:46:03,834 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:03,834 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:46:03,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 12:46:03,835 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:03,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:03,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1301515125, now seen corresponding path program 1 times [2022-07-22 12:46:03,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:03,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266848820] [2022-07-22 12:46:03,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:03,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 445 proven. 119 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-22 12:46:04,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:04,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266848820] [2022-07-22 12:46:04,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266848820] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:46:04,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427313138] [2022-07-22 12:46:04,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:04,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:04,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:46:04,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:46:04,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 12:46:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:04,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:46:04,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:46:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 445 proven. 150 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-07-22 12:46:05,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:46:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2022-07-22 12:46:05,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427313138] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 12:46:05,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-22 12:46:05,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-07-22 12:46:05,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151618488] [2022-07-22 12:46:05,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:05,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:05,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:05,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:05,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-22 12:46:05,836 INFO L87 Difference]: Start difference. First operand 14454 states and 15499 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:06,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:06,803 INFO L93 Difference]: Finished difference Result 33699 states and 36198 transitions. [2022-07-22 12:46:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:06,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 685 [2022-07-22 12:46:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:06,823 INFO L225 Difference]: With dead ends: 33699 [2022-07-22 12:46:06,823 INFO L226 Difference]: Without dead ends: 19247 [2022-07-22 12:46:06,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1373 GetRequests, 1366 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-22 12:46:06,838 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 306 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:06,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 431 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 12:46:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19247 states. [2022-07-22 12:46:06,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19247 to 18041. [2022-07-22 12:46:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18041 states, 18040 states have (on average 1.0663525498891353) internal successors, (19237), 18040 states have internal predecessors, (19237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18041 states to 18041 states and 19237 transitions. [2022-07-22 12:46:07,003 INFO L78 Accepts]: Start accepts. Automaton has 18041 states and 19237 transitions. Word has length 685 [2022-07-22 12:46:07,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:07,004 INFO L495 AbstractCegarLoop]: Abstraction has 18041 states and 19237 transitions. [2022-07-22 12:46:07,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 18041 states and 19237 transitions. [2022-07-22 12:46:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2022-07-22 12:46:07,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:07,015 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:46:07,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-22 12:46:07,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:07,232 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:07,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:07,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1831700796, now seen corresponding path program 1 times [2022-07-22 12:46:07,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:07,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726836917] [2022-07-22 12:46:07,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:07,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 547 proven. 74 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-07-22 12:46:07,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:07,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726836917] [2022-07-22 12:46:07,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726836917] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:46:07,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933291973] [2022-07-22 12:46:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:07,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:46:07,468 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:46:07,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 12:46:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:07,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:46:07,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:46:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 545 proven. 76 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-07-22 12:46:08,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:46:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 470 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-22 12:46:08,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933291973] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 12:46:08,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-22 12:46:08,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2022-07-22 12:46:08,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216887462] [2022-07-22 12:46:08,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:08,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:08,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:08,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:08,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:46:08,550 INFO L87 Difference]: Start difference. First operand 18041 states and 19237 transitions. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:09,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:09,387 INFO L93 Difference]: Finished difference Result 39674 states and 42398 transitions. [2022-07-22 12:46:09,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:09,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 698 [2022-07-22 12:46:09,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:09,414 INFO L225 Difference]: With dead ends: 39674 [2022-07-22 12:46:09,414 INFO L226 Difference]: Without dead ends: 21635 [2022-07-22 12:46:09,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1400 GetRequests, 1394 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:46:09,426 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 227 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:09,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 88 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:46:09,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21635 states. [2022-07-22 12:46:09,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21635 to 20733. [2022-07-22 12:46:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20733 states, 20732 states have (on average 1.0679625699401891) internal successors, (22141), 20732 states have internal predecessors, (22141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20733 states to 20733 states and 22141 transitions. [2022-07-22 12:46:09,605 INFO L78 Accepts]: Start accepts. Automaton has 20733 states and 22141 transitions. Word has length 698 [2022-07-22 12:46:09,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:09,605 INFO L495 AbstractCegarLoop]: Abstraction has 20733 states and 22141 transitions. [2022-07-22 12:46:09,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:09,605 INFO L276 IsEmpty]: Start isEmpty. Operand 20733 states and 22141 transitions. [2022-07-22 12:46:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2022-07-22 12:46:09,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:09,614 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:46:09,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 12:46:09,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:09,832 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:09,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:09,832 INFO L85 PathProgramCache]: Analyzing trace with hash -554604450, now seen corresponding path program 1 times [2022-07-22 12:46:09,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:09,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728488033] [2022-07-22 12:46:09,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2022-07-22 12:46:10,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:10,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728488033] [2022-07-22 12:46:10,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728488033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:10,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:10,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:10,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458182462] [2022-07-22 12:46:10,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:10,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:10,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:10,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:10,129 INFO L87 Difference]: Start difference. First operand 20733 states and 22141 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:11,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:11,068 INFO L93 Difference]: Finished difference Result 43565 states and 46452 transitions. [2022-07-22 12:46:11,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:11,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 710 [2022-07-22 12:46:11,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:11,092 INFO L225 Difference]: With dead ends: 43565 [2022-07-22 12:46:11,092 INFO L226 Difference]: Without dead ends: 22834 [2022-07-22 12:46:11,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:11,107 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 270 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:11,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 520 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 12:46:11,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22834 states. [2022-07-22 12:46:11,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22834 to 21635. [2022-07-22 12:46:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21635 states, 21634 states have (on average 1.0658223167236758) internal successors, (23058), 21634 states have internal predecessors, (23058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21635 states to 21635 states and 23058 transitions. [2022-07-22 12:46:11,292 INFO L78 Accepts]: Start accepts. Automaton has 21635 states and 23058 transitions. Word has length 710 [2022-07-22 12:46:11,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:11,293 INFO L495 AbstractCegarLoop]: Abstraction has 21635 states and 23058 transitions. [2022-07-22 12:46:11,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 21635 states and 23058 transitions. [2022-07-22 12:46:11,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2022-07-22 12:46:11,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:11,302 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:46:11,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 12:46:11,302 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:11,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:11,303 INFO L85 PathProgramCache]: Analyzing trace with hash 355388179, now seen corresponding path program 1 times [2022-07-22 12:46:11,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:11,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513005034] [2022-07-22 12:46:11,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:11,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 522 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-22 12:46:11,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:11,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513005034] [2022-07-22 12:46:11,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513005034] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:11,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:11,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:11,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562194563] [2022-07-22 12:46:11,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:11,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:11,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:11,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:11,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:11,558 INFO L87 Difference]: Start difference. First operand 21635 states and 23058 transitions. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:12,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:12,385 INFO L93 Difference]: Finished difference Result 42971 states and 45817 transitions. [2022-07-22 12:46:12,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:12,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 724 [2022-07-22 12:46:12,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:12,407 INFO L225 Difference]: With dead ends: 42971 [2022-07-22 12:46:12,407 INFO L226 Difference]: Without dead ends: 21637 [2022-07-22 12:46:12,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:12,422 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 227 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:12,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 112 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:46:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21637 states. [2022-07-22 12:46:12,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21637 to 21635. [2022-07-22 12:46:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21635 states, 21634 states have (on average 1.0613386336322455) internal successors, (22961), 21634 states have internal predecessors, (22961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21635 states to 21635 states and 22961 transitions. [2022-07-22 12:46:12,620 INFO L78 Accepts]: Start accepts. Automaton has 21635 states and 22961 transitions. Word has length 724 [2022-07-22 12:46:12,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:12,621 INFO L495 AbstractCegarLoop]: Abstraction has 21635 states and 22961 transitions. [2022-07-22 12:46:12,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 21635 states and 22961 transitions. [2022-07-22 12:46:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2022-07-22 12:46:12,629 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:12,629 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:46:12,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 12:46:12,629 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:12,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1481633791, now seen corresponding path program 1 times [2022-07-22 12:46:12,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:12,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602701129] [2022-07-22 12:46:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 531 proven. 188 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-07-22 12:46:12,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:12,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602701129] [2022-07-22 12:46:12,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602701129] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:46:12,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190766458] [2022-07-22 12:46:12,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:12,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:12,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:46:12,948 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:46:12,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 12:46:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:13,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 12:46:13,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:46:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2022-07-22 12:46:15,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:46:15,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190766458] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:15,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:46:15,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-07-22 12:46:15,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668822791] [2022-07-22 12:46:15,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:15,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:46:15,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:15,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:46:15,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:46:15,104 INFO L87 Difference]: Start difference. First operand 21635 states and 22961 transitions. Second operand has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:16,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:16,264 INFO L93 Difference]: Finished difference Result 27336 states and 28991 transitions. [2022-07-22 12:46:16,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:46:16,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 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 730 [2022-07-22 12:46:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:16,292 INFO L225 Difference]: With dead ends: 27336 [2022-07-22 12:46:16,292 INFO L226 Difference]: Without dead ends: 27334 [2022-07-22 12:46:16,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 728 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:46:16,300 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 517 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1047 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:16,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 131 Invalid, 1988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 778 Invalid, 0 Unknown, 1047 Unchecked, 1.0s Time] [2022-07-22 12:46:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27334 states. [2022-07-22 12:46:16,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27334 to 24336. [2022-07-22 12:46:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24336 states, 24335 states have (on average 1.0639819190466406) internal successors, (25892), 24335 states have internal predecessors, (25892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:16,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24336 states to 24336 states and 25892 transitions. [2022-07-22 12:46:16,534 INFO L78 Accepts]: Start accepts. Automaton has 24336 states and 25892 transitions. Word has length 730 [2022-07-22 12:46:16,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:16,535 INFO L495 AbstractCegarLoop]: Abstraction has 24336 states and 25892 transitions. [2022-07-22 12:46:16,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:16,535 INFO L276 IsEmpty]: Start isEmpty. Operand 24336 states and 25892 transitions. [2022-07-22 12:46:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2022-07-22 12:46:16,545 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:16,546 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:46:16,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 12:46:16,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-22 12:46:16,767 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:16,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:16,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1728396145, now seen corresponding path program 1 times [2022-07-22 12:46:16,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:16,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763588605] [2022-07-22 12:46:16,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:16,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-07-22 12:46:17,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:17,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763588605] [2022-07-22 12:46:17,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763588605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:17,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:17,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:17,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496857643] [2022-07-22 12:46:17,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:17,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:17,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:17,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:17,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:17,087 INFO L87 Difference]: Start difference. First operand 24336 states and 25892 transitions. Second operand has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:18,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:18,050 INFO L93 Difference]: Finished difference Result 49265 states and 52411 transitions. [2022-07-22 12:46:18,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:18,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 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 787 [2022-07-22 12:46:18,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:18,071 INFO L225 Difference]: With dead ends: 49265 [2022-07-22 12:46:18,071 INFO L226 Difference]: Without dead ends: 25230 [2022-07-22 12:46:18,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:18,083 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 225 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:18,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 463 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:46:18,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25230 states. [2022-07-22 12:46:18,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25230 to 21929. [2022-07-22 12:46:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21929 states, 21928 states have (on average 1.0617931411893469) internal successors, (23283), 21928 states have internal predecessors, (23283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21929 states to 21929 states and 23283 transitions. [2022-07-22 12:46:18,276 INFO L78 Accepts]: Start accepts. Automaton has 21929 states and 23283 transitions. Word has length 787 [2022-07-22 12:46:18,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:18,276 INFO L495 AbstractCegarLoop]: Abstraction has 21929 states and 23283 transitions. [2022-07-22 12:46:18,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 21929 states and 23283 transitions. [2022-07-22 12:46:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2022-07-22 12:46:18,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:18,290 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 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] [2022-07-22 12:46:18,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 12:46:18,290 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:18,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:18,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1130659826, now seen corresponding path program 1 times [2022-07-22 12:46:18,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:18,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210539289] [2022-07-22 12:46:18,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:18,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:18,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 961 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-07-22 12:46:18,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:18,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210539289] [2022-07-22 12:46:18,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210539289] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:18,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:18,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 12:46:18,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603890274] [2022-07-22 12:46:18,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:18,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 12:46:18,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:18,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:46:18,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:46:18,532 INFO L87 Difference]: Start difference. First operand 21929 states and 23283 transitions. Second operand has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:19,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:19,718 INFO L93 Difference]: Finished difference Result 45519 states and 48365 transitions. [2022-07-22 12:46:19,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:46:19,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 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 862 [2022-07-22 12:46:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:19,739 INFO L225 Difference]: With dead ends: 45519 [2022-07-22 12:46:19,739 INFO L226 Difference]: Without dead ends: 23891 [2022-07-22 12:46:19,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:46:19,751 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 346 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:19,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 549 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 12:46:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23891 states. [2022-07-22 12:46:19,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23891 to 22824. [2022-07-22 12:46:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22824 states, 22823 states have (on average 1.0457871445471674) internal successors, (23868), 22823 states have internal predecessors, (23868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22824 states to 22824 states and 23868 transitions. [2022-07-22 12:46:19,942 INFO L78 Accepts]: Start accepts. Automaton has 22824 states and 23868 transitions. Word has length 862 [2022-07-22 12:46:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:19,943 INFO L495 AbstractCegarLoop]: Abstraction has 22824 states and 23868 transitions. [2022-07-22 12:46:19,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 22824 states and 23868 transitions. [2022-07-22 12:46:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 929 [2022-07-22 12:46:19,957 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:19,958 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:46:19,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-22 12:46:19,958 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:19,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:19,959 INFO L85 PathProgramCache]: Analyzing trace with hash 265207444, now seen corresponding path program 1 times [2022-07-22 12:46:19,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:19,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960125018] [2022-07-22 12:46:19,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:19,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1756 backedges. 612 proven. 608 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-07-22 12:46:20,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:20,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960125018] [2022-07-22 12:46:20,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960125018] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:46:20,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178259533] [2022-07-22 12:46:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:20,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:20,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:46:20,389 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:46:20,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 12:46:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:20,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:46:20,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:46:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1756 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2022-07-22 12:46:20,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:46:20,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178259533] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:20,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:46:20,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-22 12:46:20,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210003158] [2022-07-22 12:46:20,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:20,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:20,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:20,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:20,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:46:20,767 INFO L87 Difference]: Start difference. First operand 22824 states and 23868 transitions. Second operand has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:21,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:21,667 INFO L93 Difference]: Finished difference Result 45047 states and 47115 transitions. [2022-07-22 12:46:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:21,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 928 [2022-07-22 12:46:21,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:21,688 INFO L225 Difference]: With dead ends: 45047 [2022-07-22 12:46:21,688 INFO L226 Difference]: Without dead ends: 22524 [2022-07-22 12:46:21,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 933 GetRequests, 928 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:46:21,704 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 207 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:21,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 503 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 12:46:21,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22524 states. [2022-07-22 12:46:21,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22524 to 22524. [2022-07-22 12:46:21,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22524 states, 22523 states have (on average 1.0318785241752875) internal successors, (23241), 22523 states have internal predecessors, (23241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22524 states to 22524 states and 23241 transitions. [2022-07-22 12:46:21,947 INFO L78 Accepts]: Start accepts. Automaton has 22524 states and 23241 transitions. Word has length 928 [2022-07-22 12:46:21,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:21,948 INFO L495 AbstractCegarLoop]: Abstraction has 22524 states and 23241 transitions. [2022-07-22 12:46:21,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22524 states and 23241 transitions. [2022-07-22 12:46:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2022-07-22 12:46:21,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:21,964 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:46:21,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 12:46:22,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:22,166 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:22,166 INFO L85 PathProgramCache]: Analyzing trace with hash -13257665, now seen corresponding path program 1 times [2022-07-22 12:46:22,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:22,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896003889] [2022-07-22 12:46:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2022-07-22 12:46:22,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:22,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896003889] [2022-07-22 12:46:22,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896003889] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:22,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:22,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:46:22,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16880272] [2022-07-22 12:46:22,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:22,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:46:22,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:22,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:46:22,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:46:22,584 INFO L87 Difference]: Start difference. First operand 22524 states and 23241 transitions. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:23,934 INFO L93 Difference]: Finished difference Result 49545 states and 51090 transitions. [2022-07-22 12:46:23,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:46:23,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 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 947 [2022-07-22 12:46:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:23,962 INFO L225 Difference]: With dead ends: 49545 [2022-07-22 12:46:23,962 INFO L226 Difference]: Without dead ends: 27322 [2022-07-22 12:46:23,975 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 [2022-07-22 12:46:23,976 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 507 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:23,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 139 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 12:46:23,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27322 states. [2022-07-22 12:46:24,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27322 to 22225. [2022-07-22 12:46:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22225 states, 22224 states have (on average 1.031272498200144) internal successors, (22919), 22224 states have internal predecessors, (22919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22225 states to 22225 states and 22919 transitions. [2022-07-22 12:46:24,215 INFO L78 Accepts]: Start accepts. Automaton has 22225 states and 22919 transitions. Word has length 947 [2022-07-22 12:46:24,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:24,215 INFO L495 AbstractCegarLoop]: Abstraction has 22225 states and 22919 transitions. [2022-07-22 12:46:24,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22225 states and 22919 transitions. [2022-07-22 12:46:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2022-07-22 12:46:24,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:24,230 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:46:24,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-22 12:46:24,230 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:24,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:24,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1379876432, now seen corresponding path program 1 times [2022-07-22 12:46:24,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:24,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546261987] [2022-07-22 12:46:24,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:24,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 596 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2022-07-22 12:46:24,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:24,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546261987] [2022-07-22 12:46:24,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546261987] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:24,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:24,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:24,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757073274] [2022-07-22 12:46:24,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:24,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:24,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:24,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:24,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:24,486 INFO L87 Difference]: Start difference. First operand 22225 states and 22919 transitions. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:25,391 INFO L93 Difference]: Finished difference Result 49245 states and 50792 transitions. [2022-07-22 12:46:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:25,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 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 948 [2022-07-22 12:46:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:25,420 INFO L225 Difference]: With dead ends: 49245 [2022-07-22 12:46:25,420 INFO L226 Difference]: Without dead ends: 27321 [2022-07-22 12:46:25,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:25,432 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 171 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:25,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 505 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:46:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27321 states. [2022-07-22 12:46:25,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27321 to 25814. [2022-07-22 12:46:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25814 states, 25813 states have (on average 1.030023631503506) internal successors, (26588), 25813 states have internal predecessors, (26588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25814 states to 25814 states and 26588 transitions. [2022-07-22 12:46:25,691 INFO L78 Accepts]: Start accepts. Automaton has 25814 states and 26588 transitions. Word has length 948 [2022-07-22 12:46:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:25,692 INFO L495 AbstractCegarLoop]: Abstraction has 25814 states and 26588 transitions. [2022-07-22 12:46:25,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 25814 states and 26588 transitions. [2022-07-22 12:46:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2022-07-22 12:46:25,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:25,711 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:46:25,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-22 12:46:25,711 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:25,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:25,711 INFO L85 PathProgramCache]: Analyzing trace with hash 520105551, now seen corresponding path program 1 times [2022-07-22 12:46:25,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:25,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843645558] [2022-07-22 12:46:25,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:25,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:25,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 1237 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-07-22 12:46:25,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:25,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843645558] [2022-07-22 12:46:25,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843645558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:25,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:25,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:25,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281870689] [2022-07-22 12:46:25,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:25,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:25,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:25,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:25,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:25,989 INFO L87 Difference]: Start difference. First operand 25814 states and 26588 transitions. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:27,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:27,149 INFO L93 Difference]: Finished difference Result 55832 states and 57492 transitions. [2022-07-22 12:46:27,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:27,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 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 1032 [2022-07-22 12:46:27,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:27,178 INFO L225 Difference]: With dead ends: 55832 [2022-07-22 12:46:27,178 INFO L226 Difference]: Without dead ends: 30319 [2022-07-22 12:46:27,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:27,193 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 132 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:27,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 136 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 12:46:27,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30319 states. [2022-07-22 12:46:27,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30319 to 27309. [2022-07-22 12:46:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27309 states, 27308 states have (on average 1.0286362970558078) internal successors, (28090), 27308 states have internal predecessors, (28090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27309 states to 27309 states and 28090 transitions. [2022-07-22 12:46:27,520 INFO L78 Accepts]: Start accepts. Automaton has 27309 states and 28090 transitions. Word has length 1032 [2022-07-22 12:46:27,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:27,520 INFO L495 AbstractCegarLoop]: Abstraction has 27309 states and 28090 transitions. [2022-07-22 12:46:27,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 27309 states and 28090 transitions. [2022-07-22 12:46:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2022-07-22 12:46:27,539 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:27,540 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-22 12:46:27,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-22 12:46:27,540 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash 690598981, now seen corresponding path program 1 times [2022-07-22 12:46:27,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:27,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568924447] [2022-07-22 12:46:27,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2334 backedges. 74 proven. 1081 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-07-22 12:46:27,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:27,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568924447] [2022-07-22 12:46:27,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568924447] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:46:27,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599168744] [2022-07-22 12:46:27,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:27,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:46:27,865 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:46:27,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 12:46:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:28,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:46:28,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:46:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2334 backedges. 74 proven. 1081 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-07-22 12:46:32,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:46:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2334 backedges. 74 proven. 1081 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-07-22 12:46:34,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599168744] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:46:34,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:46:34,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-07-22 12:46:34,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010887979] [2022-07-22 12:46:34,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:46:34,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 12:46:34,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:34,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 12:46:34,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-22 12:46:34,726 INFO L87 Difference]: Start difference. First operand 27309 states and 28090 transitions. Second operand has 10 states, 10 states have (on average 111.6) internal successors, (1116), 9 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:38,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:38,029 INFO L93 Difference]: Finished difference Result 73500 states and 75531 transitions. [2022-07-22 12:46:38,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 12:46:38,030 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 111.6) internal successors, (1116), 9 states have internal predecessors, (1116), 0 states have call successors, (0), 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 1117 [2022-07-22 12:46:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:38,074 INFO L225 Difference]: With dead ends: 73500 [2022-07-22 12:46:38,075 INFO L226 Difference]: Without dead ends: 46492 [2022-07-22 12:46:38,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2248 GetRequests, 2231 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2022-07-22 12:46:38,093 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 2786 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 5745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2284 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:38,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 246 Invalid, 5745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 2834 Invalid, 0 Unknown, 2284 Unchecked, 2.9s Time] [2022-07-22 12:46:38,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46492 states. [2022-07-22 12:46:38,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46492 to 26409. [2022-07-22 12:46:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26409 states, 26408 states have (on average 1.0286276885792185) internal successors, (27164), 26408 states have internal predecessors, (27164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26409 states to 26409 states and 27164 transitions. [2022-07-22 12:46:38,428 INFO L78 Accepts]: Start accepts. Automaton has 26409 states and 27164 transitions. Word has length 1117 [2022-07-22 12:46:38,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:38,429 INFO L495 AbstractCegarLoop]: Abstraction has 26409 states and 27164 transitions. [2022-07-22 12:46:38,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 111.6) internal successors, (1116), 9 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 26409 states and 27164 transitions. [2022-07-22 12:46:38,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1268 [2022-07-22 12:46:38,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:38,450 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:46:38,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 12:46:38,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:38,668 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1767534720, now seen corresponding path program 1 times [2022-07-22 12:46:38,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:38,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810115523] [2022-07-22 12:46:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:39,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 1477 proven. 188 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2022-07-22 12:46:39,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:39,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810115523] [2022-07-22 12:46:39,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810115523] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:46:39,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624699271] [2022-07-22 12:46:39,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:39,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:46:39,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:46:39,093 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:46:39,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 12:46:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:39,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:46:39,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:46:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 1032 proven. 0 refuted. 0 times theorem prover too weak. 1873 trivial. 0 not checked. [2022-07-22 12:46:39,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:46:39,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624699271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:39,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:46:39,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-07-22 12:46:39,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223482897] [2022-07-22 12:46:39,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:39,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 12:46:39,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:39,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:46:39,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:46:39,538 INFO L87 Difference]: Start difference. First operand 26409 states and 27164 transitions. Second operand has 5 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:41,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:41,169 INFO L93 Difference]: Finished difference Result 61508 states and 63218 transitions. [2022-07-22 12:46:41,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 12:46:41,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 0 states have call successors, (0), 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 1267 [2022-07-22 12:46:41,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:41,201 INFO L225 Difference]: With dead ends: 61508 [2022-07-22 12:46:41,202 INFO L226 Difference]: Without dead ends: 35400 [2022-07-22 12:46:41,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1270 GetRequests, 1264 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:46:41,217 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1043 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:41,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 144 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 1941 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-22 12:46:41,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35400 states. [2022-07-22 12:46:41,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35400 to 24010. [2022-07-22 12:46:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24010 states, 24009 states have (on average 1.0281561081261195) internal successors, (24685), 24009 states have internal predecessors, (24685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24010 states to 24010 states and 24685 transitions. [2022-07-22 12:46:41,485 INFO L78 Accepts]: Start accepts. Automaton has 24010 states and 24685 transitions. Word has length 1267 [2022-07-22 12:46:41,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:41,486 INFO L495 AbstractCegarLoop]: Abstraction has 24010 states and 24685 transitions. [2022-07-22 12:46:41,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 24010 states and 24685 transitions. [2022-07-22 12:46:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2022-07-22 12:46:41,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:46:41,510 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:46:41,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-22 12:46:41,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-07-22 12:46:41,728 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:46:41,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:46:41,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1352832329, now seen corresponding path program 1 times [2022-07-22 12:46:41,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:46:41,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847893392] [2022-07-22 12:46:41,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:46:41,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:46:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:46:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4077 backedges. 2416 proven. 0 refuted. 0 times theorem prover too weak. 1661 trivial. 0 not checked. [2022-07-22 12:46:42,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:46:42,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847893392] [2022-07-22 12:46:42,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847893392] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:46:42,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:46:42,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:46:42,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385869643] [2022-07-22 12:46:42,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:46:42,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:46:42,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:46:42,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:46:42,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:42,218 INFO L87 Difference]: Start difference. First operand 24010 states and 24685 transitions. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:42,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:46:42,935 INFO L93 Difference]: Finished difference Result 40497 states and 41561 transitions. [2022-07-22 12:46:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:46:42,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 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 1470 [2022-07-22 12:46:42,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:46:42,936 INFO L225 Difference]: With dead ends: 40497 [2022-07-22 12:46:42,936 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 12:46:42,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:46:42,950 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 154 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:46:42,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 118 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:46:42,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 12:46:42,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 12:46:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 12:46:42,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1470 [2022-07-22 12:46:42,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:46:42,951 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:46:42,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:46:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 12:46:42,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 12:46:42,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 12:46:42,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-22 12:46:42,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 12:47:00,350 WARN L233 SmtUtils]: Spent 17.38s on a formula simplification. DAG size of input: 624 DAG size of output: 618 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-22 12:47:37,212 WARN L233 SmtUtils]: Spent 36.86s on a formula simplification. DAG size of input: 733 DAG size of output: 721 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-22 12:48:14,086 WARN L233 SmtUtils]: Spent 36.87s on a formula simplification. DAG size of input: 730 DAG size of output: 718 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-22 12:48:28,100 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,101 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,102 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-22 12:48:28,103 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-22 12:48:28,103 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,106 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,106 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,106 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,106 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-22 12:48:28,106 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,106 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,107 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-22 12:48:28,108 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,109 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-22 12:48:28,110 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,111 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,111 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,111 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,111 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-22 12:48:28,111 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,111 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,111 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,112 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,112 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,112 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,112 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,113 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,114 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-22 12:48:28,115 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-22 12:48:28,116 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,117 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,118 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,118 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-22 12:48:28,118 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-22 12:48:28,118 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,118 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,119 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,120 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,121 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-22 12:48:28,122 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-22 12:48:28,123 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-22 12:48:28,124 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,124 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,124 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-22 12:48:28,124 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,124 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,124 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,124 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,124 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,125 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-22 12:48:28,125 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,125 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,125 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,125 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,125 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,125 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-22 12:48:28,125 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,126 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,126 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,126 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,126 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-22 12:48:28,126 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-22 12:48:28,126 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,126 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,127 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,127 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,127 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,127 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-22 12:48:28,127 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-22 12:48:28,127 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,127 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-22 12:48:28,127 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-22 12:48:28,128 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,129 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,130 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-22 12:48:28,130 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-22 12:48:28,130 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-22 12:48:28,130 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,130 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-22 12:48:28,130 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,130 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,134 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,139 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,139 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,139 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,140 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,140 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,140 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-22 12:48:28,140 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-22 12:48:28,140 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-22 12:48:28,141 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-22 12:48:28,141 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,141 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,141 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,141 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,144 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse20 (+ ~a29~0 16)) (.cse22 (div (+ 600067 ~a0~0) 5)) (.cse21 (+ ~a0~0 61))) (let ((.cse5 (<= 5 ~a2~0)) (.cse12 (<= (+ ~a29~0 127) 0)) (.cse0 (< 0 .cse21)) (.cse3 (< 0 (+ 120075 (div (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 1) 5)))) (.cse10 (<= (+ 89 ~a4~0) 0)) (.cse18 (< 0 (+ 585714 ~a0~0))) (.cse9 (<= ~a2~0 2)) (.cse1 (< 43 ~a29~0)) (.cse17 (<= (+ ~a0~0 99) 0)) (.cse13 (or (< 0 (+ .cse22 61)) (not (= (mod (+ 2 ~a0~0) 5) 0)))) (.cse14 (< 0 (+ 62 .cse22))) (.cse7 (<= (+ 98 ~a0~0) 0)) (.cse19 (= ~a2~0 4)) (.cse6 (< 0 .cse20)) (.cse2 (<= (+ ~a4~0 86) 0)) (.cse11 (= 3 ~a2~0)) (.cse4 (<= ~a29~0 41)) (.cse8 (<= 0 (+ 146 ~a0~0))) (.cse15 (= ~a2~0 1)) (.cse16 (<= .cse21 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse1 .cse7 .cse8 .cse6 .cse9) (and .cse10 .cse3 .cse11 .cse12) (and .cse4 .cse7 .cse13 .cse14 .cse11) (and .cse4 .cse15 .cse3 (< 0 (+ (div (+ ~a0~0 599997) 299926) 1)) .cse6) (and .cse10 (<= (+ 52093 ~a29~0) 0) .cse16) (and .cse7 .cse5 .cse13 .cse14) (and .cse15 .cse2 .cse16 (<= (+ ~a29~0 144) 0)) (and .cse7 .cse8 .cse11 .cse16) (and .cse17 (<= 0 (+ 384413 ~a0~0))) (and .cse2 .cse3 (not .cse16) .cse12 .cse9) (and .cse18 .cse17 .cse11) (and .cse0 .cse10 .cse3 .cse19) (and .cse0 .cse4 .cse2 .cse3 .cse6 .cse11) (and .cse17 .cse10 .cse16) (and .cse4 .cse17 .cse13 .cse14 .cse6) (and .cse10 .cse3 .cse9) (and .cse0 .cse2 .cse3 .cse19 .cse6) (and .cse17 (<= 0 (+ 600001 ~a0~0)) .cse6 .cse9) (and .cse10 (or (not (<= .cse20 0)) (not .cse19)) .cse16) (and .cse4 .cse7 .cse8 .cse6 .cse9) (and .cse7 .cse8 .cse15) (and .cse18 .cse17 .cse9) (and .cse1 .cse17 .cse13 .cse14) (and .cse7 .cse19 .cse6) (and .cse4 .cse8 .cse2 .cse11 .cse16) (and .cse4 .cse8 .cse15 .cse16)))) [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,145 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-22 12:48:28,146 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,147 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,148 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 12:48:28,148 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,148 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,148 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,148 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,148 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse21 (+ ~a29~0 16)) (.cse23 (div (+ 600067 ~a0~0) 5)) (.cse22 (+ ~a0~0 61))) (let ((.cse1 (< 43 ~a29~0)) (.cse10 (<= 5 ~a2~0)) (.cse15 (<= (+ ~a29~0 127) 0)) (.cse0 (< 0 .cse22)) (.cse3 (< 0 (+ 120075 (div (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 1) 5)))) (.cse14 (<= (+ 89 ~a4~0) 0)) (.cse19 (< 0 (+ 585714 ~a0~0))) (.cse16 (<= (+ ~a0~0 99) 0)) (.cse5 (or (< 0 (+ .cse23 61)) (not (= (mod (+ 2 ~a0~0) 5) 0)))) (.cse6 (< 0 (+ 62 .cse23))) (.cse7 (not (<= ~a29~0 43))) (.cse13 (<= ~a2~0 2)) (.cse4 (<= (+ 98 ~a0~0) 0)) (.cse20 (= ~a2~0 4)) (.cse11 (< 0 .cse21)) (.cse2 (<= (+ ~a4~0 86) 0)) (.cse8 (= 3 ~a2~0)) (.cse9 (<= ~a29~0 41)) (.cse12 (<= 0 (+ 146 ~a0~0))) (.cse17 (= ~a2~0 1)) (.cse18 (<= .cse22 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse3 .cse11) (and .cse1 .cse4 .cse12 .cse11 .cse13) (and .cse14 .cse3 .cse8 .cse15) (and .cse9 .cse4 .cse5 .cse6 .cse8) (and .cse9 .cse16 .cse5 .cse6 .cse11 .cse13) (and .cse9 .cse17 .cse3 (< 0 (+ (div (+ ~a0~0 599997) 299926) 1)) .cse11) (and .cse14 (<= (+ 52093 ~a29~0) 0) .cse18) (and .cse4 .cse10 .cse5 .cse6) (and .cse4 .cse12 .cse8 .cse18) (and .cse16 (<= 0 (+ 384413 ~a0~0))) (and .cse2 .cse3 (not .cse18) .cse15 .cse13) (and .cse19 .cse16 .cse8) (and .cse0 .cse14 .cse3 .cse20) (and .cse0 .cse9 .cse2 .cse3 .cse11 .cse8) (and .cse16 .cse14 .cse18) (and .cse17 .cse2 (<= (+ ~a29~0 144) 0)) (and .cse14 .cse3 .cse13) (and .cse0 .cse2 .cse3 .cse20 .cse11) (and .cse16 (<= 0 (+ 600001 ~a0~0)) .cse11 .cse13) (and .cse14 (or (not (<= .cse21 0)) (not .cse20)) .cse18) (and .cse9 .cse4 .cse12 .cse11 .cse13) (and .cse4 .cse12 .cse17) (and .cse19 .cse16 .cse13) (and .cse16 .cse5 .cse6 .cse7 .cse11 .cse13) (and .cse4 .cse20 .cse11) (and .cse9 .cse12 .cse2 .cse8 .cse18) (and .cse9 .cse12 .cse17 .cse18)))) [2022-07-22 12:48:28,148 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,148 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-22 12:48:28,149 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-22 12:48:28,150 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,151 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,152 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,153 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,154 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,155 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,155 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,155 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,155 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,155 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse21 (+ ~a29~0 16)) (.cse23 (div (+ 600067 ~a0~0) 5)) (.cse22 (+ ~a0~0 61))) (let ((.cse1 (< 43 ~a29~0)) (.cse10 (<= 5 ~a2~0)) (.cse15 (<= (+ ~a29~0 127) 0)) (.cse0 (< 0 .cse22)) (.cse3 (< 0 (+ 120075 (div (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 1) 5)))) (.cse14 (<= (+ 89 ~a4~0) 0)) (.cse19 (< 0 (+ 585714 ~a0~0))) (.cse16 (<= (+ ~a0~0 99) 0)) (.cse5 (or (< 0 (+ .cse23 61)) (not (= (mod (+ 2 ~a0~0) 5) 0)))) (.cse6 (< 0 (+ 62 .cse23))) (.cse7 (not (<= ~a29~0 43))) (.cse13 (<= ~a2~0 2)) (.cse4 (<= (+ 98 ~a0~0) 0)) (.cse20 (= ~a2~0 4)) (.cse11 (< 0 .cse21)) (.cse2 (<= (+ ~a4~0 86) 0)) (.cse8 (= 3 ~a2~0)) (.cse9 (<= ~a29~0 41)) (.cse12 (<= 0 (+ 146 ~a0~0))) (.cse17 (= ~a2~0 1)) (.cse18 (<= .cse22 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse3 .cse11) (and .cse1 .cse4 .cse12 .cse11 .cse13) (and .cse14 .cse3 .cse8 .cse15) (and .cse9 .cse4 .cse5 .cse6 .cse8) (and .cse9 .cse16 .cse5 .cse6 .cse11 .cse13) (and .cse9 .cse17 .cse3 (< 0 (+ (div (+ ~a0~0 599997) 299926) 1)) .cse11) (and .cse14 (<= (+ 52093 ~a29~0) 0) .cse18) (and .cse4 .cse10 .cse5 .cse6) (and .cse4 .cse12 .cse8 .cse18) (and .cse16 (<= 0 (+ 384413 ~a0~0))) (and .cse2 .cse3 (not .cse18) .cse15 .cse13) (and .cse19 .cse16 .cse8) (and .cse0 .cse14 .cse3 .cse20) (and .cse0 .cse9 .cse2 .cse3 .cse11 .cse8) (and .cse16 .cse14 .cse18) (and .cse17 .cse2 (<= (+ ~a29~0 144) 0)) (and .cse14 .cse3 .cse13) (and .cse0 .cse2 .cse3 .cse20 .cse11) (and .cse16 (<= 0 (+ 600001 ~a0~0)) .cse11 .cse13) (and .cse14 (or (not (<= .cse21 0)) (not .cse20)) .cse18) (and .cse9 .cse4 .cse12 .cse11 .cse13) (and .cse4 .cse12 .cse17) (and .cse19 .cse16 .cse13) (and .cse16 .cse5 .cse6 .cse7 .cse11 .cse13) (and .cse4 .cse20 .cse11) (and .cse9 .cse12 .cse2 .cse8 .cse18) (and .cse9 .cse12 .cse17 .cse18)))) [2022-07-22 12:48:28,155 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-22 12:48:28,155 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-22 12:48:28,155 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,155 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,156 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,156 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,156 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,156 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,156 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,156 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,157 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-22 12:48:28,157 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-22 12:48:28,157 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,157 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-22 12:48:28,157 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-22 12:48:28,158 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,158 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,158 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,158 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,158 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,158 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-22 12:48:28,159 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,160 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,161 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,162 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-22 12:48:28,163 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,163 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-22 12:48:28,163 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-22 12:48:28,165 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:28,171 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 12:48:28,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 12:48:28 BoogieIcfgContainer [2022-07-22 12:48:28,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 12:48:28,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 12:48:28,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 12:48:28,204 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 12:48:28,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:45:37" (3/4) ... [2022-07-22 12:48:28,206 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 12:48:28,227 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-22 12:48:28,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 12:48:28,229 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 12:48:28,231 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 12:48:28,334 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 12:48:28,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 12:48:28,335 INFO L158 Benchmark]: Toolchain (without parser) took 173465.25ms. Allocated memory was 136.3MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 99.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 112.2MB. Max. memory is 16.1GB. [2022-07-22 12:48:28,335 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 48.1MB in the beginning and 48.1MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 12:48:28,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.58ms. Allocated memory is still 136.3MB. Free memory was 99.5MB in the beginning and 47.3MB in the end (delta: 52.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-07-22 12:48:28,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 255.08ms. Allocated memory is still 136.3MB. Free memory was 47.3MB in the beginning and 72.4MB in the end (delta: -25.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 12:48:28,336 INFO L158 Benchmark]: Boogie Preprocessor took 148.13ms. Allocated memory is still 136.3MB. Free memory was 72.4MB in the beginning and 54.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 12:48:28,337 INFO L158 Benchmark]: RCFGBuilder took 1911.25ms. Allocated memory was 136.3MB in the beginning and 239.1MB in the end (delta: 102.8MB). Free memory was 54.5MB in the beginning and 173.7MB in the end (delta: -119.2MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2022-07-22 12:48:28,338 INFO L158 Benchmark]: TraceAbstraction took 170317.80ms. Allocated memory was 239.1MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 173.7MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-07-22 12:48:28,338 INFO L158 Benchmark]: Witness Printer took 130.92ms. Allocated memory is still 2.1GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-22 12:48:28,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 48.1MB in the beginning and 48.1MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.58ms. Allocated memory is still 136.3MB. Free memory was 99.5MB in the beginning and 47.3MB in the end (delta: 52.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 255.08ms. Allocated memory is still 136.3MB. Free memory was 47.3MB in the beginning and 72.4MB in the end (delta: -25.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.13ms. Allocated memory is still 136.3MB. Free memory was 72.4MB in the beginning and 54.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1911.25ms. Allocated memory was 136.3MB in the beginning and 239.1MB in the end (delta: 102.8MB). Free memory was 54.5MB in the beginning and 173.7MB in the end (delta: -119.2MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * TraceAbstraction took 170317.80ms. Allocated memory was 239.1MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 173.7MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 130.92ms. Allocated memory is still 2.1GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 134]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 170.2s, OverallIterations: 26, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 38.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 105.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12591 SdHoareTripleChecker+Valid, 34.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12591 mSDsluCounter, 8412 SdHoareTripleChecker+Invalid, 28.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3331 IncrementalHoareTripleChecker+Unchecked, 1482 mSDsCounter, 5249 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33841 IncrementalHoareTripleChecker+Invalid, 42421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5249 mSolverCounterUnsat, 6930 mSDtfsCounter, 33841 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9218 GetRequests, 9128 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27309occurred in iteration=23, InterpolantAutomatonStates: 106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 26 MinimizatonAttempts, 56607 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 247 NumberOfFragments, 2261 HoareAnnotationTreeSize, 4 FomulaSimplifications, 660962 FormulaSimplificationTreeSizeReduction, 91.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1623257 FormulaSimplificationTreeSizeReductionInter, 14.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 22676 NumberOfCodeBlocks, 22676 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 25540 ConstructedInterpolants, 345 QuantifiedInterpolants, 116887 SizeOfPredicates, 9 NumberOfNonLiveVariables, 7521 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 38 InterpolantComputations, 24 PerfectInterpolantSequences, 33770/38608 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((0 < a0 + 61 && 43 < a29) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) || (((((0 < a0 + 61 && a29 <= 41) && 5 <= a2) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < a29 + 16)) || ((((43 < a29 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || (((89 + a4 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 3 == a2) && a29 + 127 <= 0)) || ((((a29 <= 41 && 98 + a0 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 3 == a2)) || ((((a29 <= 41 && a2 == 1) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < (a0 + 599997) / 299926 + 1) && 0 < a29 + 16)) || ((89 + a4 <= 0 && 52093 + a29 <= 0) && a0 + 61 <= 0)) || (((98 + a0 <= 0 && 5 <= a2) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((98 + a0 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || (a0 + 99 <= 0 && 0 <= 384413 + a0)) || ((((a4 + 86 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && !(a0 + 61 <= 0)) && a29 + 127 <= 0) && a2 <= 2)) || ((0 < 585714 + a0 && a0 + 99 <= 0) && 3 == a2)) || (((0 < a0 + 61 && 89 + a4 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 == 4)) || (((((0 < a0 + 61 && a29 <= 41) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < a29 + 16) && 3 == a2)) || ((a0 + 99 <= 0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((a29 <= 41 && a0 + 99 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16)) || ((89 + a4 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 <= 2)) || ((((0 < a0 + 61 && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 == 4) && 0 < a29 + 16)) || (((a0 + 99 <= 0 && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && (!(a29 + 16 <= 0) || !(a2 == 4))) && a0 + 61 <= 0)) || ((((a29 <= 41 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((98 + a0 <= 0 && 0 <= 146 + a0) && a2 == 1)) || ((0 < 585714 + a0 && a0 + 99 <= 0) && a2 <= 2)) || (((43 < a29 && a0 + 99 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5)) || ((98 + a0 <= 0 && a2 == 4) && 0 < a29 + 16)) || ((((a29 <= 41 && 0 <= 146 + a0) && a4 + 86 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((a29 <= 41 && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((0 < a0 + 61 && 43 < a29) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) || ((((98 + a0 <= 0 && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && !(a29 <= 43)) && 3 == a2)) || (((((0 < a0 + 61 && a29 <= 41) && 5 <= a2) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < a29 + 16)) || ((((43 < a29 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || (((89 + a4 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 3 == a2) && a29 + 127 <= 0)) || ((((a29 <= 41 && 98 + a0 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 3 == a2)) || (((((a29 <= 41 && a0 + 99 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16) && a2 <= 2)) || ((((a29 <= 41 && a2 == 1) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < (a0 + 599997) / 299926 + 1) && 0 < a29 + 16)) || ((89 + a4 <= 0 && 52093 + a29 <= 0) && a0 + 61 <= 0)) || (((98 + a0 <= 0 && 5 <= a2) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5)) || (((98 + a0 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || (a0 + 99 <= 0 && 0 <= 384413 + a0)) || ((((a4 + 86 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && !(a0 + 61 <= 0)) && a29 + 127 <= 0) && a2 <= 2)) || ((0 < 585714 + a0 && a0 + 99 <= 0) && 3 == a2)) || (((0 < a0 + 61 && 89 + a4 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 == 4)) || (((((0 < a0 + 61 && a29 <= 41) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < a29 + 16) && 3 == a2)) || ((a0 + 99 <= 0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 <= 2)) || ((((0 < a0 + 61 && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 == 4) && 0 < a29 + 16)) || (((a0 + 99 <= 0 && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && (!(a29 + 16 <= 0) || !(a2 == 4))) && a0 + 61 <= 0)) || ((((a29 <= 41 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((98 + a0 <= 0 && 0 <= 146 + a0) && a2 == 1)) || ((0 < 585714 + a0 && a0 + 99 <= 0) && a2 <= 2)) || (((((a0 + 99 <= 0 && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && !(a29 <= 43)) && 0 < a29 + 16) && a2 <= 2)) || ((98 + a0 <= 0 && a2 == 4) && 0 < a29 + 16)) || ((((a29 <= 41 && 0 <= 146 + a0) && a4 + 86 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((a29 <= 41 && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((0 < a0 + 61 && 43 < a29) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) || ((((98 + a0 <= 0 && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && !(a29 <= 43)) && 3 == a2)) || (((((0 < a0 + 61 && a29 <= 41) && 5 <= a2) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < a29 + 16)) || ((((43 < a29 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || (((89 + a4 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 3 == a2) && a29 + 127 <= 0)) || ((((a29 <= 41 && 98 + a0 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 3 == a2)) || (((((a29 <= 41 && a0 + 99 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16) && a2 <= 2)) || ((((a29 <= 41 && a2 == 1) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < (a0 + 599997) / 299926 + 1) && 0 < a29 + 16)) || ((89 + a4 <= 0 && 52093 + a29 <= 0) && a0 + 61 <= 0)) || (((98 + a0 <= 0 && 5 <= a2) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5)) || (((98 + a0 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || (a0 + 99 <= 0 && 0 <= 384413 + a0)) || ((((a4 + 86 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && !(a0 + 61 <= 0)) && a29 + 127 <= 0) && a2 <= 2)) || ((0 < 585714 + a0 && a0 + 99 <= 0) && 3 == a2)) || (((0 < a0 + 61 && 89 + a4 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 == 4)) || (((((0 < a0 + 61 && a29 <= 41) && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && 0 < a29 + 16) && 3 == a2)) || ((a0 + 99 <= 0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((89 + a4 <= 0 && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 <= 2)) || ((((0 < a0 + 61 && a4 + 86 <= 0) && 0 < 120075 + ((3459790 + a0 / 5 * 10) / -9 + 1) / 5) && a2 == 4) && 0 < a29 + 16)) || (((a0 + 99 <= 0 && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && (!(a29 + 16 <= 0) || !(a2 == 4))) && a0 + 61 <= 0)) || ((((a29 <= 41 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((98 + a0 <= 0 && 0 <= 146 + a0) && a2 == 1)) || ((0 < 585714 + a0 && a0 + 99 <= 0) && a2 <= 2)) || (((((a0 + 99 <= 0 && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && !(a29 <= 43)) && 0 < a29 + 16) && a2 <= 2)) || ((98 + a0 <= 0 && a2 == 4) && 0 < a29 + 16)) || ((((a29 <= 41 && 0 <= 146 + a0) && a4 + 86 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((a29 <= 41 && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0) RESULT: Ultimate proved your program to be correct! [2022-07-22 12:48:28,409 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