./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_label01.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 d6090139f17d215360e170ecc95bb73008b0f6956bdca2966cee2f9efad851e4 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:45:49,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:45:49,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:45:49,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:45:49,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:45:49,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:45:49,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:45:49,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:45:49,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:45:49,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:45:49,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:45:49,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:45:49,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:45:49,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:45:49,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:45:49,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:45:49,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:45:49,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:45:49,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:45:49,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:45:49,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:45:49,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:45:49,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:45:49,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:45:49,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:45:49,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:45:49,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:45:49,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:45:49,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:45:49,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:45:49,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:45:49,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:45:49,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:45:49,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:45:49,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:45:49,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:45:49,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:45:49,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:45:49,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:45:49,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:45:49,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:45:49,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:45:49,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:45:49,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:45:49,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:45:49,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:45:49,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:45:49,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:45:49,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:45:49,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:45:49,697 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:45:49,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:45:49,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:45:49,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:45:49,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:45:49,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:45:49,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:45:49,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:45:49,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:45:49,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:45:49,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:45:49,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:45:49,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:45:49,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:45:49,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:45:49,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:45:49,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:45:49,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:45:49,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:45:49,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:45:49,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:45:49,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:45:49,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:45:49,702 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:45:49,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:45:49,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:45:49,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6090139f17d215360e170ecc95bb73008b0f6956bdca2966cee2f9efad851e4 [2021-12-17 04:45:49,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:45:49,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:45:49,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:45:49,879 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:45:49,879 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:45:49,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label01.c [2021-12-17 04:45:49,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f83915c8/26d9b37b172240bab49ab9afc1e5ac6a/FLAGca3d3bf14 [2021-12-17 04:45:50,443 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:45:50,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label01.c [2021-12-17 04:45:50,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f83915c8/26d9b37b172240bab49ab9afc1e5ac6a/FLAGca3d3bf14 [2021-12-17 04:45:50,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f83915c8/26d9b37b172240bab49ab9afc1e5ac6a [2021-12-17 04:45:50,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:45:50,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:45:50,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:45:50,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:45:50,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:45:50,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:45:50" (1/1) ... [2021-12-17 04:45:50,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330ad137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:50, skipping insertion in model container [2021-12-17 04:45:50,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:45:50" (1/1) ... [2021-12-17 04:45:50,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:45:51,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:45:51,210 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_label01.c[5470,5483] [2021-12-17 04:45:51,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:45:51,507 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:45:51,534 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_label01.c[5470,5483] [2021-12-17 04:45:51,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:45:51,743 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:45:51,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51 WrapperNode [2021-12-17 04:45:51,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:45:51,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:45:51,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:45:51,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:45:51,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:51,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:51,884 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-12-17 04:45:51,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:45:51,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:45:51,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:45:51,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:45:51,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:51,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:51,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:51,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:51,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:52,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:52,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:52,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:45:52,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:45:52,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:45:52,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:45:52,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (1/1) ... [2021-12-17 04:45:52,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:45:52,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:45:52,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 04:45:52,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 04:45:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:45:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:45:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:45:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:45:52,181 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:45:52,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:45:53,971 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:45:53,979 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:45:53,979 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:45:53,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:45:53 BoogieIcfgContainer [2021-12-17 04:45:53,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:45:53,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:45:53,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:45:53,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:45:53,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:45:50" (1/3) ... [2021-12-17 04:45:53,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4803b537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:45:53, skipping insertion in model container [2021-12-17 04:45:53,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:45:51" (2/3) ... [2021-12-17 04:45:53,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4803b537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:45:53, skipping insertion in model container [2021-12-17 04:45:53,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:45:53" (3/3) ... [2021-12-17 04:45:53,986 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label01.c [2021-12-17 04:45:53,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:45:53,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:45:54,018 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:45:54,022 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 04:45:54,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:45:54,042 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) [2021-12-17 04:45:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-17 04:45:54,048 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:45:54,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:45:54,049 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:45:54,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:45:54,055 INFO L85 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2021-12-17 04:45:54,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:45:54,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486417828] [2021-12-17 04:45:54,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:45:54,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:45:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:45:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:45:54,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:45:54,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486417828] [2021-12-17 04:45:54,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486417828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:45:54,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:45:54,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:45:54,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120254958] [2021-12-17 04:45:54,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:45:54,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:45:54,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:45:54,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:45:54,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:45:54,266 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 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:56,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:45:56,100 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2021-12-17 04:45:56,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:45:56,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-12-17 04:45:56,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:45:56,117 INFO L225 Difference]: With dead ends: 1191 [2021-12-17 04:45:56,119 INFO L226 Difference]: Without dead ends: 688 [2021-12-17 04:45:56,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:45:56,131 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 327 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:45:56,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 230 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-17 04:45:56,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-12-17 04:45:56,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2021-12-17 04:45:56,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.609720176730486) internal successors, (1093), 679 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2021-12-17 04:45:56,191 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 44 [2021-12-17 04:45:56,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:45:56,194 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2021-12-17 04:45:56,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2021-12-17 04:45:56,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-17 04:45:56,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:45:56,198 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:45:56,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:45:56,199 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:45:56,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:45:56,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1830760591, now seen corresponding path program 1 times [2021-12-17 04:45:56,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:45:56,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110492268] [2021-12-17 04:45:56,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:45:56,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:45:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:45:56,285 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:45:56,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:45:56,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110492268] [2021-12-17 04:45:56,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110492268] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:45:56,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:45:56,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:45:56,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174017762] [2021-12-17 04:45:56,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:45:56,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:45:56,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:45:56,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:45:56,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:45:56,288 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:57,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:45:57,400 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2021-12-17 04:45:57,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:45:57,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-12-17 04:45:57,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:45:57,404 INFO L225 Difference]: With dead ends: 1964 [2021-12-17 04:45:57,404 INFO L226 Difference]: Without dead ends: 1286 [2021-12-17 04:45:57,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:45:57,406 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 282 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:45:57,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 360 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:45:57,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2021-12-17 04:45:57,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2021-12-17 04:45:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.3953125) internal successors, (1786), 1280 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:57,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2021-12-17 04:45:57,437 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 112 [2021-12-17 04:45:57,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:45:57,440 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2021-12-17 04:45:57,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2021-12-17 04:45:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-17 04:45:57,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:45:57,447 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:45:57,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:45:57,449 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:45:57,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:45:57,450 INFO L85 PathProgramCache]: Analyzing trace with hash 775532637, now seen corresponding path program 1 times [2021-12-17 04:45:57,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:45:57,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370061089] [2021-12-17 04:45:57,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:45:57,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:45:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:45:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:45:57,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:45:57,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370061089] [2021-12-17 04:45:57,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370061089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:45:57,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:45:57,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:45:57,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268319930] [2021-12-17 04:45:57,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:45:57,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:45:57,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:45:57,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:45:57,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:45:57,573 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:58,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:45:58,836 INFO L93 Difference]: Finished difference Result 3766 states and 5246 transitions. [2021-12-17 04:45:58,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:45:58,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2021-12-17 04:45:58,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:45:58,842 INFO L225 Difference]: With dead ends: 3766 [2021-12-17 04:45:58,843 INFO L226 Difference]: Without dead ends: 2487 [2021-12-17 04:45:58,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:45:58,845 INFO L933 BasicCegarLoop]: 600 mSDtfsCounter, 284 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:45:58,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:45:58,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2021-12-17 04:45:58,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2487. [2021-12-17 04:45:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2486 states have (on average 1.244569589702333) internal successors, (3094), 2486 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3094 transitions. [2021-12-17 04:45:58,874 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3094 transitions. Word has length 120 [2021-12-17 04:45:58,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:45:58,874 INFO L470 AbstractCegarLoop]: Abstraction has 2487 states and 3094 transitions. [2021-12-17 04:45:58,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:45:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3094 transitions. [2021-12-17 04:45:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-17 04:45:58,876 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:45:58,876 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:45:58,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:45:58,876 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:45:58,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:45:58,877 INFO L85 PathProgramCache]: Analyzing trace with hash 221925041, now seen corresponding path program 1 times [2021-12-17 04:45:58,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:45:58,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733091323] [2021-12-17 04:45:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:45:58,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:45:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:45:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:45:58,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:45:58,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733091323] [2021-12-17 04:45:58,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733091323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:45:58,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:45:58,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:45:58,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650936251] [2021-12-17 04:45:58,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:45:58,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:45:58,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:45:58,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:45:58,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:45:58,930 INFO L87 Difference]: Start difference. First operand 2487 states and 3094 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:00,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:00,260 INFO L93 Difference]: Finished difference Result 6173 states and 7859 transitions. [2021-12-17 04:46:00,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:00,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2021-12-17 04:46:00,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:00,269 INFO L225 Difference]: With dead ends: 6173 [2021-12-17 04:46:00,269 INFO L226 Difference]: Without dead ends: 3688 [2021-12-17 04:46:00,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:00,272 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 234 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:00,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 363 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:46:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2021-12-17 04:46:00,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3686. [2021-12-17 04:46:00,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3686 states, 3685 states have (on average 1.198100407055631) internal successors, (4415), 3685 states have internal predecessors, (4415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 4415 transitions. [2021-12-17 04:46:00,310 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 4415 transitions. Word has length 126 [2021-12-17 04:46:00,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:00,311 INFO L470 AbstractCegarLoop]: Abstraction has 3686 states and 4415 transitions. [2021-12-17 04:46:00,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:00,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 4415 transitions. [2021-12-17 04:46:00,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-12-17 04:46:00,312 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:00,312 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:46:00,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:46:00,313 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:00,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:00,313 INFO L85 PathProgramCache]: Analyzing trace with hash 497412114, now seen corresponding path program 1 times [2021-12-17 04:46:00,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:00,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26828032] [2021-12-17 04:46:00,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:00,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:00,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:00,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26828032] [2021-12-17 04:46:00,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26828032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:00,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:00,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:00,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860920651] [2021-12-17 04:46:00,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:00,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:00,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:00,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:00,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:00,387 INFO L87 Difference]: Start difference. First operand 3686 states and 4415 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:01,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:01,670 INFO L93 Difference]: Finished difference Result 8572 states and 10503 transitions. [2021-12-17 04:46:01,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:01,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 240 [2021-12-17 04:46:01,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:01,691 INFO L225 Difference]: With dead ends: 8572 [2021-12-17 04:46:01,691 INFO L226 Difference]: Without dead ends: 4888 [2021-12-17 04:46:01,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:01,696 INFO L933 BasicCegarLoop]: 575 mSDtfsCounter, 284 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:01,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 614 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:46:01,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4888 states. [2021-12-17 04:46:01,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4888 to 4886. [2021-12-17 04:46:01,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 4885 states have (on average 1.1733879222108496) internal successors, (5732), 4885 states have internal predecessors, (5732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:01,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 5732 transitions. [2021-12-17 04:46:01,746 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 5732 transitions. Word has length 240 [2021-12-17 04:46:01,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:01,746 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 5732 transitions. [2021-12-17 04:46:01,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 5732 transitions. [2021-12-17 04:46:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-17 04:46:01,749 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:01,749 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:01,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:46:01,749 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:01,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:01,750 INFO L85 PathProgramCache]: Analyzing trace with hash -92208819, now seen corresponding path program 1 times [2021-12-17 04:46:01,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:01,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753608843] [2021-12-17 04:46:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:01,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-12-17 04:46:01,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:01,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753608843] [2021-12-17 04:46:01,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753608843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:01,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:01,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:46:01,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512698256] [2021-12-17 04:46:01,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:01,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:01,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:01,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:01,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:01,906 INFO L87 Difference]: Start difference. First operand 4886 states and 5732 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:03,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:03,019 INFO L93 Difference]: Finished difference Result 10069 states and 11773 transitions. [2021-12-17 04:46:03,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:03,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 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 305 [2021-12-17 04:46:03,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:03,032 INFO L225 Difference]: With dead ends: 10069 [2021-12-17 04:46:03,033 INFO L226 Difference]: Without dead ends: 5185 [2021-12-17 04:46:03,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:03,039 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:03,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 357 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:46:03,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2021-12-17 04:46:03,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5185. [2021-12-17 04:46:03,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5185 states, 5184 states have (on average 1.1645447530864197) internal successors, (6037), 5184 states have internal predecessors, (6037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 6037 transitions. [2021-12-17 04:46:03,123 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 6037 transitions. Word has length 305 [2021-12-17 04:46:03,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:03,124 INFO L470 AbstractCegarLoop]: Abstraction has 5185 states and 6037 transitions. [2021-12-17 04:46:03,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 6037 transitions. [2021-12-17 04:46:03,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-17 04:46:03,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:03,127 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:03,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:46:03,128 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:03,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:03,128 INFO L85 PathProgramCache]: Analyzing trace with hash -399755098, now seen corresponding path program 1 times [2021-12-17 04:46:03,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:03,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699350282] [2021-12-17 04:46:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:03,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:03,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:03,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699350282] [2021-12-17 04:46:03,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699350282] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:03,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:03,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:03,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892808529] [2021-12-17 04:46:03,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:03,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:03,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:03,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:03,243 INFO L87 Difference]: Start difference. First operand 5185 states and 6037 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:04,492 INFO L93 Difference]: Finished difference Result 11271 states and 13444 transitions. [2021-12-17 04:46:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:04,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 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 [2021-12-17 04:46:04,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:04,510 INFO L225 Difference]: With dead ends: 11271 [2021-12-17 04:46:04,510 INFO L226 Difference]: Without dead ends: 6387 [2021-12-17 04:46:04,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:04,515 INFO L933 BasicCegarLoop]: 585 mSDtfsCounter, 285 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:04,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 623 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:46:04,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6387 states. [2021-12-17 04:46:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6387 to 6382. [2021-12-17 04:46:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6382 states, 6381 states have (on average 1.1548346654129447) internal successors, (7369), 6381 states have internal predecessors, (7369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6382 states to 6382 states and 7369 transitions. [2021-12-17 04:46:04,579 INFO L78 Accepts]: Start accepts. Automaton has 6382 states and 7369 transitions. Word has length 326 [2021-12-17 04:46:04,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:04,579 INFO L470 AbstractCegarLoop]: Abstraction has 6382 states and 7369 transitions. [2021-12-17 04:46:04,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 6382 states and 7369 transitions. [2021-12-17 04:46:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-12-17 04:46:04,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:04,583 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:04,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 04:46:04,584 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:04,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash -289447111, now seen corresponding path program 1 times [2021-12-17 04:46:04,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:04,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228612595] [2021-12-17 04:46:04,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:04,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 83 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:04,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:04,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228612595] [2021-12-17 04:46:04,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228612595] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:04,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819580723] [2021-12-17 04:46:04,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:04,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:04,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:04,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:04,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 04:46:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:04,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 04:46:04,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:05,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:46:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:08,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819580723] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:08,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:46:08,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 9 [2021-12-17 04:46:08,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151833209] [2021-12-17 04:46:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:08,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:46:08,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:08,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:46:08,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:46:08,560 INFO L87 Difference]: Start difference. First operand 6382 states and 7369 transitions. Second operand has 5 states, 5 states have (on average 78.2) internal successors, (391), 4 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:13,683 INFO L93 Difference]: Finished difference Result 21185 states and 24840 transitions. [2021-12-17 04:46:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:46:13,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 4 states have internal predecessors, (391), 0 states have call successors, (0), 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 391 [2021-12-17 04:46:13,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:13,710 INFO L225 Difference]: With dead ends: 21185 [2021-12-17 04:46:13,710 INFO L226 Difference]: Without dead ends: 15104 [2021-12-17 04:46:13,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:46:13,717 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 1023 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1872 mSolverCounterSat, 1880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1880 IncrementalHoareTripleChecker+Valid, 1872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:13,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1023 Valid, 98 Invalid, 3752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1880 Valid, 1872 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-17 04:46:13,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15104 states. [2021-12-17 04:46:13,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15104 to 10869. [2021-12-17 04:46:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10869 states, 10868 states have (on average 1.1859587780640413) internal successors, (12889), 10868 states have internal predecessors, (12889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10869 states to 10869 states and 12889 transitions. [2021-12-17 04:46:13,865 INFO L78 Accepts]: Start accepts. Automaton has 10869 states and 12889 transitions. Word has length 391 [2021-12-17 04:46:13,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:13,866 INFO L470 AbstractCegarLoop]: Abstraction has 10869 states and 12889 transitions. [2021-12-17 04:46:13,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 4 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 10869 states and 12889 transitions. [2021-12-17 04:46:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-12-17 04:46:13,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:13,871 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:13,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:14,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:14,090 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:14,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:14,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1611690732, now seen corresponding path program 1 times [2021-12-17 04:46:14,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:14,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27381412] [2021-12-17 04:46:14,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:14,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-17 04:46:14,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:14,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27381412] [2021-12-17 04:46:14,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27381412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:14,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:46:14,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:46:14,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779635600] [2021-12-17 04:46:14,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:14,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:14,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:14,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:14,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:14,230 INFO L87 Difference]: Start difference. First operand 10869 states and 12889 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:15,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:15,880 INFO L93 Difference]: Finished difference Result 27432 states and 32668 transitions. [2021-12-17 04:46:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:15,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 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 453 [2021-12-17 04:46:15,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:15,901 INFO L225 Difference]: With dead ends: 27432 [2021-12-17 04:46:15,901 INFO L226 Difference]: Without dead ends: 16864 [2021-12-17 04:46:15,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:46:15,907 INFO L933 BasicCegarLoop]: 588 mSDtfsCounter, 283 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:15,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 621 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-17 04:46:15,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16864 states. [2021-12-17 04:46:16,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16864 to 16853. [2021-12-17 04:46:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16853 states, 16852 states have (on average 1.1500118680275337) internal successors, (19380), 16852 states have internal predecessors, (19380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16853 states to 16853 states and 19380 transitions. [2021-12-17 04:46:16,056 INFO L78 Accepts]: Start accepts. Automaton has 16853 states and 19380 transitions. Word has length 453 [2021-12-17 04:46:16,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:16,056 INFO L470 AbstractCegarLoop]: Abstraction has 16853 states and 19380 transitions. [2021-12-17 04:46:16,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 16853 states and 19380 transitions. [2021-12-17 04:46:16,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-12-17 04:46:16,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:16,063 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:16,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 04:46:16,064 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:16,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:16,064 INFO L85 PathProgramCache]: Analyzing trace with hash 319650045, now seen corresponding path program 1 times [2021-12-17 04:46:16,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:16,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611859359] [2021-12-17 04:46:16,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:16,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 42 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:16,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:16,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611859359] [2021-12-17 04:46:16,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611859359] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:16,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502220110] [2021-12-17 04:46:16,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:16,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:16,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:16,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:16,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 04:46:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:16,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 04:46:16,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 236 proven. 106 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-12-17 04:46:17,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:46:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 236 proven. 106 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-12-17 04:46:20,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502220110] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:46:20,113 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:46:20,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2021-12-17 04:46:20,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835257869] [2021-12-17 04:46:20,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:46:20,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 04:46:20,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:20,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 04:46:20,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:46:20,115 INFO L87 Difference]: Start difference. First operand 16853 states and 19380 transitions. Second operand has 9 states, 9 states have (on average 118.0) internal successors, (1062), 8 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:30,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:30,288 INFO L93 Difference]: Finished difference Result 69719 states and 79307 transitions. [2021-12-17 04:46:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-17 04:46:30,289 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 118.0) internal successors, (1062), 8 states have internal predecessors, (1062), 0 states have call successors, (0), 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 498 [2021-12-17 04:46:30,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:30,355 INFO L225 Difference]: With dead ends: 69719 [2021-12-17 04:46:30,356 INFO L226 Difference]: Without dead ends: 53167 [2021-12-17 04:46:30,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1013 GetRequests, 992 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2021-12-17 04:46:30,376 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 5223 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 6470 mSolverCounterSat, 2878 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5223 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 9348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2878 IncrementalHoareTripleChecker+Valid, 6470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:30,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5223 Valid, 272 Invalid, 9348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2878 Valid, 6470 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-12-17 04:46:30,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53167 states. [2021-12-17 04:46:30,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53167 to 44098. [2021-12-17 04:46:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44098 states, 44097 states have (on average 1.1307571943669636) internal successors, (49863), 44097 states have internal predecessors, (49863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44098 states to 44098 states and 49863 transitions. [2021-12-17 04:46:30,989 INFO L78 Accepts]: Start accepts. Automaton has 44098 states and 49863 transitions. Word has length 498 [2021-12-17 04:46:30,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:30,990 INFO L470 AbstractCegarLoop]: Abstraction has 44098 states and 49863 transitions. [2021-12-17 04:46:30,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 118.0) internal successors, (1062), 8 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:30,991 INFO L276 IsEmpty]: Start isEmpty. Operand 44098 states and 49863 transitions. [2021-12-17 04:46:30,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-17 04:46:30,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:30,995 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:31,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:31,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 04:46:31,214 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:31,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:31,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1407121983, now seen corresponding path program 1 times [2021-12-17 04:46:31,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:31,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741281797] [2021-12-17 04:46:31,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:31,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:31,351 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 125 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:31,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:31,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741281797] [2021-12-17 04:46:31,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741281797] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:31,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378924001] [2021-12-17 04:46:31,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:31,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:31,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:31,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:31,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 04:46:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:31,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 04:46:31,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 125 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:32,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:46:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:46:33,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378924001] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:33,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:46:33,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-12-17 04:46:33,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407658035] [2021-12-17 04:46:33,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:33,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 04:46:33,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:33,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 04:46:33,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-17 04:46:33,857 INFO L87 Difference]: Start difference. First operand 44098 states and 49863 transitions. Second operand has 6 states, 6 states have (on average 85.0) internal successors, (510), 5 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:37,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:37,666 INFO L93 Difference]: Finished difference Result 98707 states and 111195 transitions. [2021-12-17 04:46:37,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:46:37,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 85.0) internal successors, (510), 5 states have internal predecessors, (510), 0 states have call successors, (0), 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 510 [2021-12-17 04:46:37,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:37,738 INFO L225 Difference]: With dead ends: 98707 [2021-12-17 04:46:37,739 INFO L226 Difference]: Without dead ends: 54910 [2021-12-17 04:46:37,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1013 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-17 04:46:37,767 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 1285 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 1413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 3559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:37,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1285 Valid, 106 Invalid, 3559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1413 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-17 04:46:37,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54910 states. [2021-12-17 04:46:38,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54910 to 42602. [2021-12-17 04:46:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42602 states, 42601 states have (on average 1.131076735287904) internal successors, (48185), 42601 states have internal predecessors, (48185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42602 states to 42602 states and 48185 transitions. [2021-12-17 04:46:38,338 INFO L78 Accepts]: Start accepts. Automaton has 42602 states and 48185 transitions. Word has length 510 [2021-12-17 04:46:38,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:38,338 INFO L470 AbstractCegarLoop]: Abstraction has 42602 states and 48185 transitions. [2021-12-17 04:46:38,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.0) internal successors, (510), 5 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 42602 states and 48185 transitions. [2021-12-17 04:46:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-17 04:46:38,343 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:38,343 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:38,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:38,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:38,560 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:38,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:38,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1290263051, now seen corresponding path program 1 times [2021-12-17 04:46:38,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:38,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456577449] [2021-12-17 04:46:38,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:38,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 493 proven. 39 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-12-17 04:46:38,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:38,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456577449] [2021-12-17 04:46:38,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456577449] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:38,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426840226] [2021-12-17 04:46:38,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:38,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:38,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:38,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:38,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 04:46:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:38,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:46:38,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-12-17 04:46:39,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:46:39,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426840226] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:39,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:46:39,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:46:39,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782946074] [2021-12-17 04:46:39,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:39,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:39,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:39,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:39,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:46:39,483 INFO L87 Difference]: Start difference. First operand 42602 states and 48185 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:40,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:40,985 INFO L93 Difference]: Finished difference Result 90880 states and 103110 transitions. [2021-12-17 04:46:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:40,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 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 528 [2021-12-17 04:46:41,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:41,136 INFO L225 Difference]: With dead ends: 90880 [2021-12-17 04:46:41,136 INFO L226 Difference]: Without dead ends: 48579 [2021-12-17 04:46:41,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:46:41,171 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 372 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:41,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 443 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:46:41,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48579 states. [2021-12-17 04:46:41,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48579 to 47084. [2021-12-17 04:46:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47084 states, 47083 states have (on average 1.1179618970753775) internal successors, (52637), 47083 states have internal predecessors, (52637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47084 states to 47084 states and 52637 transitions. [2021-12-17 04:46:41,647 INFO L78 Accepts]: Start accepts. Automaton has 47084 states and 52637 transitions. Word has length 528 [2021-12-17 04:46:41,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:41,648 INFO L470 AbstractCegarLoop]: Abstraction has 47084 states and 52637 transitions. [2021-12-17 04:46:41,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 47084 states and 52637 transitions. [2021-12-17 04:46:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2021-12-17 04:46:41,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:41,655 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:46:41,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:41,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:41,858 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:41,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:41,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1829932948, now seen corresponding path program 1 times [2021-12-17 04:46:41,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:41,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804956341] [2021-12-17 04:46:41,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:41,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 42 proven. 299 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-17 04:46:42,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:42,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804956341] [2021-12-17 04:46:42,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804956341] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:42,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134535628] [2021-12-17 04:46:42,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:42,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:42,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:42,160 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:42,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 04:46:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:42,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:46:42,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2021-12-17 04:46:43,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:46:43,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134535628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:43,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:46:43,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-17 04:46:43,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467740146] [2021-12-17 04:46:43,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:43,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:43,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:43,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:43,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:46:43,180 INFO L87 Difference]: Start difference. First operand 47084 states and 52637 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 2 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:44,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:44,756 INFO L93 Difference]: Finished difference Result 99255 states and 110777 transitions. [2021-12-17 04:46:44,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:44,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 2 states have internal predecessors, (289), 0 states have call successors, (0), 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 601 [2021-12-17 04:46:44,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:44,812 INFO L225 Difference]: With dead ends: 99255 [2021-12-17 04:46:44,812 INFO L226 Difference]: Without dead ends: 52472 [2021-12-17 04:46:44,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:46:44,842 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 28 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:44,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 339 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:46:44,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52472 states. [2021-12-17 04:46:45,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52472 to 49478. [2021-12-17 04:46:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49478 states, 49477 states have (on average 1.114922085009196) internal successors, (55163), 49477 states have internal predecessors, (55163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49478 states to 49478 states and 55163 transitions. [2021-12-17 04:46:45,467 INFO L78 Accepts]: Start accepts. Automaton has 49478 states and 55163 transitions. Word has length 601 [2021-12-17 04:46:45,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:45,467 INFO L470 AbstractCegarLoop]: Abstraction has 49478 states and 55163 transitions. [2021-12-17 04:46:45,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 2 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 49478 states and 55163 transitions. [2021-12-17 04:46:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-12-17 04:46:45,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:45,475 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:46:45,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:45,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-17 04:46:45,692 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:45,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:45,692 INFO L85 PathProgramCache]: Analyzing trace with hash -2016562453, now seen corresponding path program 1 times [2021-12-17 04:46:45,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:45,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367606926] [2021-12-17 04:46:45,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:45,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 640 proven. 39 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-12-17 04:46:45,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:45,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367606926] [2021-12-17 04:46:45,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367606926] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:45,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569930994] [2021-12-17 04:46:45,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:45,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:45,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:45,853 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:45,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 04:46:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:45,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:46:45,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-12-17 04:46:46,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:46:46,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569930994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:46:46,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:46:46,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:46:46,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178076970] [2021-12-17 04:46:46,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:46:46,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:46:46,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:46,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:46:46,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:46:46,578 INFO L87 Difference]: Start difference. First operand 49478 states and 55163 transitions. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:48,122 INFO L93 Difference]: Finished difference Result 97454 states and 108704 transitions. [2021-12-17 04:46:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:46:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 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 602 [2021-12-17 04:46:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:48,168 INFO L225 Difference]: With dead ends: 97454 [2021-12-17 04:46:48,168 INFO L226 Difference]: Without dead ends: 48277 [2021-12-17 04:46:48,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:46:48,194 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 255 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:48,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 605 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:46:48,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48277 states. [2021-12-17 04:46:48,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48277 to 46181. [2021-12-17 04:46:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46181 states, 46180 states have (on average 1.0855565179731486) internal successors, (50131), 46180 states have internal predecessors, (50131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46181 states to 46181 states and 50131 transitions. [2021-12-17 04:46:48,750 INFO L78 Accepts]: Start accepts. Automaton has 46181 states and 50131 transitions. Word has length 602 [2021-12-17 04:46:48,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:48,750 INFO L470 AbstractCegarLoop]: Abstraction has 46181 states and 50131 transitions. [2021-12-17 04:46:48,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 46181 states and 50131 transitions. [2021-12-17 04:46:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2021-12-17 04:46:48,760 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:48,760 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:46:48,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:48,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:48,961 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:48,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:48,961 INFO L85 PathProgramCache]: Analyzing trace with hash -153123232, now seen corresponding path program 1 times [2021-12-17 04:46:48,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:48,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992222831] [2021-12-17 04:46:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:48,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 686 proven. 39 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-12-17 04:46:49,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:49,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992222831] [2021-12-17 04:46:49,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992222831] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:49,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053433562] [2021-12-17 04:46:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:49,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:49,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:49,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-17 04:46:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:49,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-17 04:46:49,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:46:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 686 proven. 39 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-12-17 04:46:50,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:46:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 686 proven. 39 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-12-17 04:46:51,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053433562] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:46:51,618 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:46:51,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-17 04:46:51,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782537705] [2021-12-17 04:46:51,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:46:51,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 04:46:51,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:46:51,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 04:46:51,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:46:51,636 INFO L87 Difference]: Start difference. First operand 46181 states and 50131 transitions. Second operand has 9 states, 9 states have (on average 82.66666666666667) internal successors, (744), 8 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:56,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:46:56,185 INFO L93 Difference]: Finished difference Result 96655 states and 104508 transitions. [2021-12-17 04:46:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 04:46:56,185 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.66666666666667) internal successors, (744), 8 states have internal predecessors, (744), 0 states have call successors, (0), 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 645 [2021-12-17 04:46:56,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:46:56,219 INFO L225 Difference]: With dead ends: 96655 [2021-12-17 04:46:56,220 INFO L226 Difference]: Without dead ends: 33914 [2021-12-17 04:46:56,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1299 GetRequests, 1285 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-12-17 04:46:56,242 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 3353 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 4899 mSolverCounterSat, 690 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3353 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 5589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 4899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:46:56,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3353 Valid, 222 Invalid, 5589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 4899 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-17 04:46:56,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33914 states. [2021-12-17 04:46:56,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33914 to 23726. [2021-12-17 04:46:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23726 states, 23725 states have (on average 1.0413487881981032) internal successors, (24706), 23725 states have internal predecessors, (24706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23726 states to 23726 states and 24706 transitions. [2021-12-17 04:46:56,466 INFO L78 Accepts]: Start accepts. Automaton has 23726 states and 24706 transitions. Word has length 645 [2021-12-17 04:46:56,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:46:56,466 INFO L470 AbstractCegarLoop]: Abstraction has 23726 states and 24706 transitions. [2021-12-17 04:46:56,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.66666666666667) internal successors, (744), 8 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:46:56,466 INFO L276 IsEmpty]: Start isEmpty. Operand 23726 states and 24706 transitions. [2021-12-17 04:46:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2021-12-17 04:46:56,471 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:46:56,471 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:46:56,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-17 04:46:56,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:56,687 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:46:56,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:46:56,688 INFO L85 PathProgramCache]: Analyzing trace with hash -197452563, now seen corresponding path program 1 times [2021-12-17 04:46:56,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:46:56,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964955712] [2021-12-17 04:46:56,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:56,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:46:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 422 proven. 263 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-12-17 04:46:56,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:46:56,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964955712] [2021-12-17 04:46:56,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964955712] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:46:56,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948848692] [2021-12-17 04:46:56,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:46:56,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:46:56,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:46:56,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:46:56,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-17 04:46:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:46:57,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:46:57,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:19,944 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-17 04:47:19,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:47:19,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948848692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:19,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:47:19,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-17 04:47:19,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254212404] [2021-12-17 04:47:19,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:19,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:19,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:19,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:19,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:47:19,946 INFO L87 Difference]: Start difference. First operand 23726 states and 24706 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:19,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:19,993 INFO L93 Difference]: Finished difference Result 23770 states and 24750 transitions. [2021-12-17 04:47:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:19,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 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 665 [2021-12-17 04:47:19,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:20,013 INFO L225 Difference]: With dead ends: 23770 [2021-12-17 04:47:20,013 INFO L226 Difference]: Without dead ends: 23768 [2021-12-17 04:47:20,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:47:20,018 INFO L933 BasicCegarLoop]: 500 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 491 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:20,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 544 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 491 Unchecked, 0.0s Time] [2021-12-17 04:47:20,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23768 states. [2021-12-17 04:47:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23768 to 23768. [2021-12-17 04:47:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23768 states, 23767 states have (on average 1.0412757184331216) internal successors, (24748), 23767 states have internal predecessors, (24748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23768 states to 23768 states and 24748 transitions. [2021-12-17 04:47:20,186 INFO L78 Accepts]: Start accepts. Automaton has 23768 states and 24748 transitions. Word has length 665 [2021-12-17 04:47:20,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:20,186 INFO L470 AbstractCegarLoop]: Abstraction has 23768 states and 24748 transitions. [2021-12-17 04:47:20,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 23768 states and 24748 transitions. [2021-12-17 04:47:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2021-12-17 04:47:20,192 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:20,193 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:20,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-17 04:47:20,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-17 04:47:20,396 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:20,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:20,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1635363990, now seen corresponding path program 1 times [2021-12-17 04:47:20,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:20,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806471458] [2021-12-17 04:47:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:20,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 125 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:47:20,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:20,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806471458] [2021-12-17 04:47:20,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806471458] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:20,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728283668] [2021-12-17 04:47:20,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:20,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:20,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:20,666 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:47:20,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-17 04:47:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:20,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 04:47:20,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 0 proven. 589 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:47:22,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:47:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 483 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:47:25,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728283668] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:47:25,856 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:47:25,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2021-12-17 04:47:25,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266931882] [2021-12-17 04:47:25,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:47:25,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-17 04:47:25,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:25,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-17 04:47:25,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-12-17 04:47:25,859 INFO L87 Difference]: Start difference. First operand 23768 states and 24748 transitions. Second operand has 14 states, 14 states have (on average 146.64285714285714) internal successors, (2053), 13 states have internal predecessors, (2053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:31,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:31,391 INFO L93 Difference]: Finished difference Result 59268 states and 61734 transitions. [2021-12-17 04:47:31,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 04:47:31,392 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 146.64285714285714) internal successors, (2053), 13 states have internal predecessors, (2053), 0 states have call successors, (0), 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 [2021-12-17 04:47:31,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:31,426 INFO L225 Difference]: With dead ends: 59268 [2021-12-17 04:47:31,426 INFO L226 Difference]: Without dead ends: 34904 [2021-12-17 04:47:31,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1373 GetRequests, 1361 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-12-17 04:47:31,442 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 3267 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 8770 mSolverCounterSat, 610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 10081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 610 IncrementalHoareTripleChecker+Valid, 8770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 701 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:31,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3267 Valid, 315 Invalid, 10081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [610 Valid, 8770 Invalid, 0 Unknown, 701 Unchecked, 5.2s Time] [2021-12-17 04:47:31,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34904 states. [2021-12-17 04:47:31,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34904 to 25867. [2021-12-17 04:47:31,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25867 states, 25866 states have (on average 1.042217582927395) internal successors, (26958), 25866 states have internal predecessors, (26958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25867 states to 25867 states and 26958 transitions. [2021-12-17 04:47:31,681 INFO L78 Accepts]: Start accepts. Automaton has 25867 states and 26958 transitions. Word has length 685 [2021-12-17 04:47:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:31,681 INFO L470 AbstractCegarLoop]: Abstraction has 25867 states and 26958 transitions. [2021-12-17 04:47:31,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 146.64285714285714) internal successors, (2053), 13 states have internal predecessors, (2053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 25867 states and 26958 transitions. [2021-12-17 04:47:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2021-12-17 04:47:31,690 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:31,690 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:47:31,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-17 04:47:31,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-17 04:47:31,892 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:31,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:31,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1582840856, now seen corresponding path program 1 times [2021-12-17 04:47:31,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:31,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476771503] [2021-12-17 04:47:31,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:31,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 537 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-12-17 04:47:32,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:32,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476771503] [2021-12-17 04:47:32,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476771503] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:32,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:32,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:32,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250694430] [2021-12-17 04:47:32,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:32,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:32,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:32,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:32,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:32,041 INFO L87 Difference]: Start difference. First operand 25867 states and 26958 transitions. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:32,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:32,963 INFO L93 Difference]: Finished difference Result 51730 states and 53924 transitions. [2021-12-17 04:47:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:32,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 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 741 [2021-12-17 04:47:32,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:32,984 INFO L225 Difference]: With dead ends: 51730 [2021-12-17 04:47:32,984 INFO L226 Difference]: Without dead ends: 26164 [2021-12-17 04:47:32,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:32,997 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 436 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:32,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [436 Valid, 69 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:47:33,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26164 states. [2021-12-17 04:47:33,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26164 to 25865. [2021-12-17 04:47:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25865 states, 25864 states have (on average 1.0421435199505105) internal successors, (26954), 25864 states have internal predecessors, (26954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25865 states to 25865 states and 26954 transitions. [2021-12-17 04:47:33,211 INFO L78 Accepts]: Start accepts. Automaton has 25865 states and 26954 transitions. Word has length 741 [2021-12-17 04:47:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:33,212 INFO L470 AbstractCegarLoop]: Abstraction has 25865 states and 26954 transitions. [2021-12-17 04:47:33,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 25865 states and 26954 transitions. [2021-12-17 04:47:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2021-12-17 04:47:33,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:33,223 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:47:33,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 04:47:33,223 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:33,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:33,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1706100167, now seen corresponding path program 1 times [2021-12-17 04:47:33,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:33,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940099560] [2021-12-17 04:47:33,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:33,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-12-17 04:47:33,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:33,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940099560] [2021-12-17 04:47:33,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940099560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:33,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:33,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:33,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216829217] [2021-12-17 04:47:33,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:33,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:33,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:33,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:33,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:33,405 INFO L87 Difference]: Start difference. First operand 25865 states and 26954 transitions. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:34,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:34,310 INFO L93 Difference]: Finished difference Result 55924 states and 58271 transitions. [2021-12-17 04:47:34,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:34,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 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 804 [2021-12-17 04:47:34,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:34,337 INFO L225 Difference]: With dead ends: 55924 [2021-12-17 04:47:34,337 INFO L226 Difference]: Without dead ends: 30360 [2021-12-17 04:47:34,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:34,355 INFO L933 BasicCegarLoop]: 507 mSDtfsCounter, 125 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:34,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 550 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:47:34,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30360 states. [2021-12-17 04:47:34,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30360 to 26469. [2021-12-17 04:47:34,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26469 states, 26468 states have (on average 1.0358546168958742) internal successors, (27417), 26468 states have internal predecessors, (27417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26469 states to 26469 states and 27417 transitions. [2021-12-17 04:47:34,598 INFO L78 Accepts]: Start accepts. Automaton has 26469 states and 27417 transitions. Word has length 804 [2021-12-17 04:47:34,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:34,598 INFO L470 AbstractCegarLoop]: Abstraction has 26469 states and 27417 transitions. [2021-12-17 04:47:34,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 26469 states and 27417 transitions. [2021-12-17 04:47:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2021-12-17 04:47:34,611 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:34,612 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:34,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 04:47:34,612 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:34,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:34,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2027284328, now seen corresponding path program 1 times [2021-12-17 04:47:34,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:34,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524185228] [2021-12-17 04:47:34,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:34,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 599 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-12-17 04:47:34,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:34,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524185228] [2021-12-17 04:47:34,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524185228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:34,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:34,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:34,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027073583] [2021-12-17 04:47:34,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:34,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:34,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:34,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:34,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:34,784 INFO L87 Difference]: Start difference. First operand 26469 states and 27417 transitions. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:35,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:35,653 INFO L93 Difference]: Finished difference Result 54718 states and 56697 transitions. [2021-12-17 04:47:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:35,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 823 [2021-12-17 04:47:35,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:35,677 INFO L225 Difference]: With dead ends: 54718 [2021-12-17 04:47:35,677 INFO L226 Difference]: Without dead ends: 28550 [2021-12-17 04:47:35,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:35,693 INFO L933 BasicCegarLoop]: 435 mSDtfsCounter, 341 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:35,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 461 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:47:35,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28550 states. [2021-12-17 04:47:35,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28550 to 27054. [2021-12-17 04:47:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27054 states, 27053 states have (on average 1.0304587291612761) internal successors, (27877), 27053 states have internal predecessors, (27877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27054 states to 27054 states and 27877 transitions. [2021-12-17 04:47:35,933 INFO L78 Accepts]: Start accepts. Automaton has 27054 states and 27877 transitions. Word has length 823 [2021-12-17 04:47:35,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:35,934 INFO L470 AbstractCegarLoop]: Abstraction has 27054 states and 27877 transitions. [2021-12-17 04:47:35,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 27054 states and 27877 transitions. [2021-12-17 04:47:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2021-12-17 04:47:35,945 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:35,945 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:35,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-17 04:47:35,945 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:35,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:35,946 INFO L85 PathProgramCache]: Analyzing trace with hash -491154350, now seen corresponding path program 1 times [2021-12-17 04:47:35,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:35,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448467667] [2021-12-17 04:47:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:35,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 599 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2021-12-17 04:47:36,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:36,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448467667] [2021-12-17 04:47:36,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448467667] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:36,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:36,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:36,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756903025] [2021-12-17 04:47:36,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:36,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:36,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:36,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:36,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:36,124 INFO L87 Difference]: Start difference. First operand 27054 states and 27877 transitions. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:37,040 INFO L93 Difference]: Finished difference Result 57095 states and 58850 transitions. [2021-12-17 04:47:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:37,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 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 870 [2021-12-17 04:47:37,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:37,071 INFO L225 Difference]: With dead ends: 57095 [2021-12-17 04:47:37,071 INFO L226 Difference]: Without dead ends: 30342 [2021-12-17 04:47:37,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:37,088 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 312 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:37,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 514 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:47:37,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30342 states. [2021-12-17 04:47:37,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30342 to 26453. [2021-12-17 04:47:37,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26453 states, 26452 states have (on average 1.02899591713292) internal successors, (27219), 26452 states have internal predecessors, (27219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:37,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26453 states to 26453 states and 27219 transitions. [2021-12-17 04:47:37,326 INFO L78 Accepts]: Start accepts. Automaton has 26453 states and 27219 transitions. Word has length 870 [2021-12-17 04:47:37,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:37,326 INFO L470 AbstractCegarLoop]: Abstraction has 26453 states and 27219 transitions. [2021-12-17 04:47:37,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 26453 states and 27219 transitions. [2021-12-17 04:47:37,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2021-12-17 04:47:37,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:37,336 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:37,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 04:47:37,337 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:37,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:37,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1716422387, now seen corresponding path program 1 times [2021-12-17 04:47:37,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:37,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552230851] [2021-12-17 04:47:37,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:37,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1408 backedges. 947 proven. 263 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-12-17 04:47:37,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:37,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552230851] [2021-12-17 04:47:37,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552230851] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:37,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126594634] [2021-12-17 04:47:37,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:37,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:37,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:37,627 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:47:37,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-17 04:47:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:37,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 04:47:37,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1408 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2021-12-17 04:47:40,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:47:40,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126594634] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:40,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:47:40,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-17 04:47:40,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358762214] [2021-12-17 04:47:40,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:40,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:40,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:40,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:40,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:47:40,125 INFO L87 Difference]: Start difference. First operand 26453 states and 27219 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:40,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:40,194 INFO L93 Difference]: Finished difference Result 26754 states and 27520 transitions. [2021-12-17 04:47:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:40,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 891 [2021-12-17 04:47:40,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:40,215 INFO L225 Difference]: With dead ends: 26754 [2021-12-17 04:47:40,215 INFO L226 Difference]: Without dead ends: 26453 [2021-12-17 04:47:40,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:47:40,222 INFO L933 BasicCegarLoop]: 495 mSDtfsCounter, 258 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 742 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:40,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 538 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 742 Unchecked, 0.0s Time] [2021-12-17 04:47:40,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26453 states. [2021-12-17 04:47:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26453 to 26453. [2021-12-17 04:47:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26453 states, 26452 states have (on average 1.0285800695599576) internal successors, (27208), 26452 states have internal predecessors, (27208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:40,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26453 states to 26453 states and 27208 transitions. [2021-12-17 04:47:40,452 INFO L78 Accepts]: Start accepts. Automaton has 26453 states and 27208 transitions. Word has length 891 [2021-12-17 04:47:40,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:40,453 INFO L470 AbstractCegarLoop]: Abstraction has 26453 states and 27208 transitions. [2021-12-17 04:47:40,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 26453 states and 27208 transitions. [2021-12-17 04:47:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2021-12-17 04:47:40,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:40,463 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:40,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-17 04:47:40,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-12-17 04:47:40,664 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:40,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:40,665 INFO L85 PathProgramCache]: Analyzing trace with hash -318408469, now seen corresponding path program 1 times [2021-12-17 04:47:40,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:40,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463272798] [2021-12-17 04:47:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:40,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 747 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2021-12-17 04:47:40,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:40,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463272798] [2021-12-17 04:47:40,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463272798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:40,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:40,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:40,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006734731] [2021-12-17 04:47:40,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:40,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:40,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:40,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:40,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:40,858 INFO L87 Difference]: Start difference. First operand 26453 states and 27208 transitions. Second operand has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:41,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:41,688 INFO L93 Difference]: Finished difference Result 56206 states and 57814 transitions. [2021-12-17 04:47:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:41,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 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 907 [2021-12-17 04:47:41,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:41,718 INFO L225 Difference]: With dead ends: 56206 [2021-12-17 04:47:41,718 INFO L226 Difference]: Without dead ends: 30054 [2021-12-17 04:47:41,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:41,734 INFO L933 BasicCegarLoop]: 498 mSDtfsCounter, 75 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:41,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 540 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:47:41,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30054 states. [2021-12-17 04:47:41,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30054 to 26753. [2021-12-17 04:47:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26753 states, 26752 states have (on average 1.028147428229665) internal successors, (27505), 26752 states have internal predecessors, (27505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26753 states to 26753 states and 27505 transitions. [2021-12-17 04:47:41,976 INFO L78 Accepts]: Start accepts. Automaton has 26753 states and 27505 transitions. Word has length 907 [2021-12-17 04:47:41,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:41,976 INFO L470 AbstractCegarLoop]: Abstraction has 26753 states and 27505 transitions. [2021-12-17 04:47:41,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 26753 states and 27505 transitions. [2021-12-17 04:47:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2021-12-17 04:47:41,987 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:41,988 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:47:41,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-17 04:47:41,988 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:41,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:41,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1445044147, now seen corresponding path program 1 times [2021-12-17 04:47:41,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:41,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206716322] [2021-12-17 04:47:41,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:41,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:42,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 787 proven. 42 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-17 04:47:42,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:42,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206716322] [2021-12-17 04:47:42,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206716322] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:42,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369350791] [2021-12-17 04:47:42,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:42,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:42,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:42,237 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:47:42,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-17 04:47:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:42,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-17 04:47:42,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 787 proven. 42 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-17 04:47:45,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:47:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 787 proven. 42 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-17 04:47:48,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369350791] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:47:48,141 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:47:48,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2021-12-17 04:47:48,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157135695] [2021-12-17 04:47:48,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:47:48,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:47:48,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:48,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:47:48,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:47:48,143 INFO L87 Difference]: Start difference. First operand 26753 states and 27505 transitions. Second operand has 4 states, 4 states have (on average 157.25) internal successors, (629), 4 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:49,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:49,473 INFO L93 Difference]: Finished difference Result 29234 states and 30080 transitions. [2021-12-17 04:47:49,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:47:49,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 157.25) internal successors, (629), 4 states have internal predecessors, (629), 0 states have call successors, (0), 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 964 [2021-12-17 04:47:49,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:49,497 INFO L225 Difference]: With dead ends: 29234 [2021-12-17 04:47:49,497 INFO L226 Difference]: Without dead ends: 28891 [2021-12-17 04:47:49,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1932 GetRequests, 1927 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:47:49,504 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 316 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:49,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 111 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:47:49,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28891 states. [2021-12-17 04:47:49,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28891 to 26454. [2021-12-17 04:47:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26454 states, 26453 states have (on average 1.0281253544021471) internal successors, (27197), 26453 states have internal predecessors, (27197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26454 states to 26454 states and 27197 transitions. [2021-12-17 04:47:49,726 INFO L78 Accepts]: Start accepts. Automaton has 26454 states and 27197 transitions. Word has length 964 [2021-12-17 04:47:49,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:49,726 INFO L470 AbstractCegarLoop]: Abstraction has 26454 states and 27197 transitions. [2021-12-17 04:47:49,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 157.25) internal successors, (629), 4 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 26454 states and 27197 transitions. [2021-12-17 04:47:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2021-12-17 04:47:49,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:49,743 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:47:49,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-17 04:47:49,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-12-17 04:47:49,947 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:49,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:49,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1609967201, now seen corresponding path program 1 times [2021-12-17 04:47:49,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:49,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181642065] [2021-12-17 04:47:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:49,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2226 backedges. 1416 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2021-12-17 04:47:50,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:50,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181642065] [2021-12-17 04:47:50,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181642065] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:47:50,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:47:50,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:47:50,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190539863] [2021-12-17 04:47:50,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:50,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:47:50,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:50,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:47:50,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:50,186 INFO L87 Difference]: Start difference. First operand 26454 states and 27197 transitions. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:51,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:51,004 INFO L93 Difference]: Finished difference Result 43299 states and 44395 transitions. [2021-12-17 04:47:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:47:51,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 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 1124 [2021-12-17 04:47:51,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:51,022 INFO L225 Difference]: With dead ends: 43299 [2021-12-17 04:47:51,022 INFO L226 Difference]: Without dead ends: 17146 [2021-12-17 04:47:51,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:47:51,040 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 247 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:51,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 84 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:47:51,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17146 states. [2021-12-17 04:47:51,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17146 to 15043. [2021-12-17 04:47:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15043 states, 15042 states have (on average 1.0202765589682223) internal successors, (15347), 15042 states have internal predecessors, (15347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15043 states to 15043 states and 15347 transitions. [2021-12-17 04:47:51,165 INFO L78 Accepts]: Start accepts. Automaton has 15043 states and 15347 transitions. Word has length 1124 [2021-12-17 04:47:51,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:51,165 INFO L470 AbstractCegarLoop]: Abstraction has 15043 states and 15347 transitions. [2021-12-17 04:47:51,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:51,165 INFO L276 IsEmpty]: Start isEmpty. Operand 15043 states and 15347 transitions. [2021-12-17 04:47:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1309 [2021-12-17 04:47:51,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:51,182 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 3, 3, 3, 3, 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] [2021-12-17 04:47:51,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-17 04:47:51,183 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:51,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:51,183 INFO L85 PathProgramCache]: Analyzing trace with hash -865096868, now seen corresponding path program 1 times [2021-12-17 04:47:51,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:51,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715515147] [2021-12-17 04:47:51,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:51,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1843 proven. 329 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-12-17 04:47:51,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:51,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715515147] [2021-12-17 04:47:51,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715515147] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:51,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865623302] [2021-12-17 04:47:51,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:51,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:51,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:51,507 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:47:51,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-17 04:47:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:51,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 1502 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 04:47:51,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1663 proven. 42 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-12-17 04:47:53,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:47:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1574 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-17 04:47:54,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865623302] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:54,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:47:54,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 12 [2021-12-17 04:47:54,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646416590] [2021-12-17 04:47:54,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:47:54,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:47:54,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:47:54,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:47:54,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-12-17 04:47:54,681 INFO L87 Difference]: Start difference. First operand 15043 states and 15347 transitions. Second operand has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:56,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:47:56,256 INFO L93 Difference]: Finished difference Result 16294 states and 16611 transitions. [2021-12-17 04:47:56,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:47:56,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 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 1308 [2021-12-17 04:47:56,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:47:56,269 INFO L225 Difference]: With dead ends: 16294 [2021-12-17 04:47:56,269 INFO L226 Difference]: Without dead ends: 16250 [2021-12-17 04:47:56,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2620 GetRequests, 2610 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-12-17 04:47:56,273 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 994 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:47:56,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [994 Valid, 53 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-17 04:47:56,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16250 states. [2021-12-17 04:47:56,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16250 to 14744. [2021-12-17 04:47:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14744 states, 14743 states have (on average 1.0200773248321238) internal successors, (15039), 14743 states have internal predecessors, (15039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14744 states to 14744 states and 15039 transitions. [2021-12-17 04:47:56,388 INFO L78 Accepts]: Start accepts. Automaton has 14744 states and 15039 transitions. Word has length 1308 [2021-12-17 04:47:56,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:47:56,389 INFO L470 AbstractCegarLoop]: Abstraction has 14744 states and 15039 transitions. [2021-12-17 04:47:56,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:47:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 14744 states and 15039 transitions. [2021-12-17 04:47:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1360 [2021-12-17 04:47:56,405 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:47:56,405 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-17 04:47:56,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-17 04:47:56,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-17 04:47:56,606 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:47:56,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:47:56,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2081669835, now seen corresponding path program 1 times [2021-12-17 04:47:56,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:47:56,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99970700] [2021-12-17 04:47:56,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:56,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:47:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 2047 proven. 354 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-12-17 04:47:56,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:47:56,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99970700] [2021-12-17 04:47:56,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99970700] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:47:56,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623895917] [2021-12-17 04:47:56,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:47:56,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:47:56,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:47:56,986 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:47:56,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-17 04:47:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:47:57,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 04:47:57,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:47:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 1892 proven. 42 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-12-17 04:47:59,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:48:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 1752 proven. 0 refuted. 0 times theorem prover too weak. 1380 trivial. 0 not checked. [2021-12-17 04:48:00,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623895917] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:48:00,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:48:00,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 12 [2021-12-17 04:48:00,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660994924] [2021-12-17 04:48:00,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:48:00,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:48:00,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:48:00,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:48:00,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-12-17 04:48:00,382 INFO L87 Difference]: Start difference. First operand 14744 states and 15039 transitions. Second operand has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:48:01,859 INFO L93 Difference]: Finished difference Result 15951 states and 16260 transitions. [2021-12-17 04:48:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:48:01,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 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 1359 [2021-12-17 04:48:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:48:01,860 INFO L225 Difference]: With dead ends: 15951 [2021-12-17 04:48:01,861 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:48:01,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2722 GetRequests, 2712 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-12-17 04:48:01,866 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 925 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:48:01,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [925 Valid, 47 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-17 04:48:01,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:48:01,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:48:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:48:01,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1359 [2021-12-17 04:48:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:48:01,867 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:48:01,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:48:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:48:01,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:48:01,869 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:48:01,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-17 04:48:02,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-12-17 04:48:02,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:48:07,262 WARN L227 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 859 DAG size of output: 850 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 04:48:13,557 WARN L227 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 900 DAG size of output: 891 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 04:48:19,832 WARN L227 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 900 DAG size of output: 891 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 04:48:25,312 WARN L227 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 850 DAG size of output: 177 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 04:48:30,463 WARN L227 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 891 DAG size of output: 171 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 04:48:35,529 WARN L227 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 891 DAG size of output: 171 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 04:48:35,533 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,533 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,533 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,533 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,533 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,533 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,533 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-12-17 04:48:35,533 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,534 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,535 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,536 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,537 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-17 04:48:35,538 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,539 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,540 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-12-17 04:48:35,541 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,542 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-17 04:48:35,543 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,544 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,545 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-17 04:48:35,546 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,547 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,548 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-17 04:48:35,549 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-12-17 04:48:35,550 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,551 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,552 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-12-17 04:48:35,553 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-12-17 04:48:35,554 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,555 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-17 04:48:35,556 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-17 04:48:35,557 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-12-17 04:48:35,558 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-12-17 04:48:35,558 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,558 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,558 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,558 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,558 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86)) (.cse9 (+ ~a29~0 127)) (.cse23 (* ~a29~0 (- 1)))) (let ((.cse8 (<= (+ ~a29~0 16) 0)) (.cse2 (< 43 ~a29~0)) (.cse3 (< 0 (+ ~a0~0 147))) (.cse6 (* ~a29~0 9)) (.cse29 (* 5 (div (+ .cse23 (- 384948)) 10))) (.cse22 (<= 0 .cse9)) (.cse0 (< 0 .cse28)) (.cse12 (<= ~a29~0 96178)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse4 (= 3 ~a2~0)) (.cse20 (div ~a29~0 5))) (let ((.cse21 (<= .cse20 550000)) (.cse18 (<= (+ ~a0~0 150) 0)) (.cse26 (or (and .cse12 .cse22 .cse14 .cse4) (and .cse0 .cse12 .cse14 .cse4))) (.cse16 (<= (+ .cse29 16) 0)) (.cse17 (or (= 0 (mod (+ .cse6 2) 10)) (<= (+ .cse29 21) 0))) (.cse25 (or .cse8 .cse0 .cse2 .cse3)) (.cse15 (= 4 ~a2~0)) (.cse5 (<= (+ ~a0~0 98) 0)) (.cse1 (<= (+ ~a4~0 42) 0)) (.cse24 (<= (+ ~a0~0 366639) 0)) (.cse13 (<= 5 ~a2~0)) (.cse27 (<= ~a29~0 41)) (.cse11 (= ~a2~0 1)) (.cse10 (<= (+ ~a4~0 89) 0)) (.cse19 (= 2 ~a2~0)) (.cse7 (<= (div (+ ~a29~0 (- 315762)) 5) 109468))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (div .cse6 10) 579663) .cse7) (and .cse8 .cse1 .cse4 .cse5) (and (= .cse9 0) (<= 0 (+ ~a0~0 44)) .cse10 .cse11) (and .cse2 .cse12 .cse10 .cse13) (and .cse14 .cse10 .cse13) (and .cse15 .cse14 .cse10) (and .cse8 .cse0 .cse1 .cse16 .cse13 .cse5 .cse17) (and .cse1 .cse2 .cse18 .cse11 .cse7) (and .cse14 .cse10 .cse19 (<= (div (+ (* .cse20 (- 1)) 181102) (- 5)) 109469)) (and .cse0 .cse1 .cse21 .cse22 .cse13 .cse5) (and .cse15 .cse8 .cse1 .cse18 .cse16 .cse17) (and (<= (div (+ .cse23 (- 533325)) (- 5)) 550001) (or (and .cse0 .cse1 .cse2 .cse18 .cse4 .cse7) (and .cse0 .cse1 .cse4 .cse24))) (and .cse0 .cse1 .cse21 .cse19 .cse5) (and .cse8 .cse1 .cse22 .cse13 .cse24) (and .cse2 .cse19 .cse5 .cse7) (and .cse1 .cse2 .cse12 .cse13 .cse5) (and .cse1 .cse5 .cse25 .cse26) (and .cse8 .cse1 .cse18 .cse11) (and .cse2 .cse10 .cse4 .cse7) (and .cse14 .cse10 .cse11 .cse25) (and .cse0 .cse1 .cse22 .cse11 .cse27) (and .cse1 .cse27 .cse24 .cse26) (and .cse15 .cse10 (<= ~a29~0 4455)) (and .cse8 .cse1 .cse14 .cse16 .cse11 .cse17) (and .cse15 .cse1 .cse12 .cse22 .cse5 .cse25) (and .cse10 (<= (+ ~a29~0 153400) 0) .cse11) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse7) (and .cse0 .cse15 .cse1 .cse5 .cse7) (and .cse10 .cse27 .cse4) (and .cse0 .cse1 .cse13 .cse24 .cse7) (and .cse22 .cse10 .cse13 .cse27) (and .cse14 .cse10 .cse4 .cse7) (and (<= (+ (div (+ .cse23 5) (- 5)) 38483) 0) .cse14 .cse11 (<= .cse28 0)) (and .cse10 .cse19 .cse7))))) [2021-12-17 04:48:35,559 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-17 04:48:35,559 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-17 04:48:35,559 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,559 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,559 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,559 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,559 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,559 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-17 04:48:35,560 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,561 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-12-17 04:48:35,562 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-12-17 04:48:35,562 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,562 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,562 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:48:35,562 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,562 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,562 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,562 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,563 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86)) (.cse9 (+ ~a29~0 127)) (.cse23 (* ~a29~0 (- 1)))) (let ((.cse8 (<= (+ ~a29~0 16) 0)) (.cse2 (< 43 ~a29~0)) (.cse3 (< 0 (+ ~a0~0 147))) (.cse6 (* ~a29~0 9)) (.cse29 (* 5 (div (+ .cse23 (- 384948)) 10))) (.cse22 (<= 0 .cse9)) (.cse0 (< 0 .cse28)) (.cse12 (<= ~a29~0 96178)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse4 (= 3 ~a2~0)) (.cse20 (div ~a29~0 5))) (let ((.cse21 (<= .cse20 550000)) (.cse18 (<= (+ ~a0~0 150) 0)) (.cse26 (or (and .cse12 .cse22 .cse14 .cse4) (and .cse0 .cse12 .cse14 .cse4))) (.cse16 (<= (+ .cse29 16) 0)) (.cse17 (or (= 0 (mod (+ .cse6 2) 10)) (<= (+ .cse29 21) 0))) (.cse25 (or .cse8 .cse0 .cse2 .cse3)) (.cse11 (= ~a2~0 1)) (.cse15 (= 4 ~a2~0)) (.cse5 (<= (+ ~a0~0 98) 0)) (.cse1 (<= (+ ~a4~0 42) 0)) (.cse24 (<= (+ ~a0~0 366639) 0)) (.cse13 (<= 5 ~a2~0)) (.cse27 (<= ~a29~0 41)) (.cse10 (<= (+ ~a4~0 89) 0)) (.cse19 (= 2 ~a2~0)) (.cse7 (<= (div (+ ~a29~0 (- 315762)) 5) 109468))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (div .cse6 10) 579663) .cse7) (and .cse8 .cse1 .cse4 .cse5) (and (= .cse9 0) (<= 0 (+ ~a0~0 44)) .cse10 .cse11) (and .cse2 .cse12 .cse10 .cse13) (and .cse14 .cse10 .cse13) (and .cse15 .cse14 .cse10) (and .cse8 .cse0 .cse1 .cse16 .cse13 .cse5 .cse17) (and .cse1 .cse2 .cse18 .cse11 .cse7) (and .cse14 .cse10 .cse19 (<= (div (+ (* .cse20 (- 1)) 181102) (- 5)) 109469)) (and .cse0 .cse1 .cse21 .cse22 .cse13 .cse5) (and .cse15 .cse8 .cse1 .cse18 .cse16 .cse17) (and (<= (div (+ .cse23 (- 533325)) (- 5)) 550001) (or (and .cse0 .cse1 .cse2 .cse18 .cse4 .cse7) (and .cse0 .cse1 .cse4 .cse24))) (and .cse0 .cse1 .cse21 .cse19 .cse5) (and .cse8 .cse1 .cse22 .cse13 .cse24) (and .cse2 .cse19 .cse5 .cse7) (and .cse1 .cse2 .cse12 .cse13 .cse5) (and .cse1 .cse5 .cse25 .cse26) (and .cse8 .cse1 .cse18 .cse11) (and .cse2 .cse10 .cse4 .cse7) (and .cse14 .cse10 .cse11 .cse25) (and .cse0 .cse1 .cse22 .cse11 .cse27) (and .cse1 .cse27 .cse24 .cse26) (and .cse15 .cse10 (<= ~a29~0 4455)) (and .cse8 .cse1 .cse14 .cse16 .cse11 .cse17) (and .cse15 .cse1 .cse12 .cse22 .cse5 .cse25) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse7) (and .cse0 .cse15 .cse1 .cse5 .cse7) (and .cse10 .cse27 .cse4) (and .cse0 .cse1 .cse13 .cse24 .cse7) (and .cse22 .cse10 .cse13 .cse27) (and .cse14 .cse10 .cse4 .cse7) (and (<= (+ ~a29~0 144) 0) (<= .cse28 0) (= 1 ~a2~0)) (and .cse10 .cse19 .cse7))))) [2021-12-17 04:48:35,563 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,563 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-17 04:48:35,563 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-17 04:48:35,563 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,563 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,563 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,563 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,563 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,564 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,565 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,566 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,567 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,568 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86)) (.cse9 (+ ~a29~0 127)) (.cse23 (* ~a29~0 (- 1)))) (let ((.cse8 (<= (+ ~a29~0 16) 0)) (.cse2 (< 43 ~a29~0)) (.cse3 (< 0 (+ ~a0~0 147))) (.cse6 (* ~a29~0 9)) (.cse29 (* 5 (div (+ .cse23 (- 384948)) 10))) (.cse22 (<= 0 .cse9)) (.cse0 (< 0 .cse28)) (.cse12 (<= ~a29~0 96178)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse4 (= 3 ~a2~0)) (.cse20 (div ~a29~0 5))) (let ((.cse21 (<= .cse20 550000)) (.cse18 (<= (+ ~a0~0 150) 0)) (.cse26 (or (and .cse12 .cse22 .cse14 .cse4) (and .cse0 .cse12 .cse14 .cse4))) (.cse16 (<= (+ .cse29 16) 0)) (.cse17 (or (= 0 (mod (+ .cse6 2) 10)) (<= (+ .cse29 21) 0))) (.cse25 (or .cse8 .cse0 .cse2 .cse3)) (.cse11 (= ~a2~0 1)) (.cse15 (= 4 ~a2~0)) (.cse5 (<= (+ ~a0~0 98) 0)) (.cse1 (<= (+ ~a4~0 42) 0)) (.cse24 (<= (+ ~a0~0 366639) 0)) (.cse13 (<= 5 ~a2~0)) (.cse27 (<= ~a29~0 41)) (.cse10 (<= (+ ~a4~0 89) 0)) (.cse19 (= 2 ~a2~0)) (.cse7 (<= (div (+ ~a29~0 (- 315762)) 5) 109468))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (div .cse6 10) 579663) .cse7) (and .cse8 .cse1 .cse4 .cse5) (and (= .cse9 0) (<= 0 (+ ~a0~0 44)) .cse10 .cse11) (and .cse2 .cse12 .cse10 .cse13) (and .cse14 .cse10 .cse13) (and .cse15 .cse14 .cse10) (and .cse8 .cse0 .cse1 .cse16 .cse13 .cse5 .cse17) (and .cse1 .cse2 .cse18 .cse11 .cse7) (and .cse14 .cse10 .cse19 (<= (div (+ (* .cse20 (- 1)) 181102) (- 5)) 109469)) (and .cse0 .cse1 .cse21 .cse22 .cse13 .cse5) (and .cse15 .cse8 .cse1 .cse18 .cse16 .cse17) (and (<= (div (+ .cse23 (- 533325)) (- 5)) 550001) (or (and .cse0 .cse1 .cse2 .cse18 .cse4 .cse7) (and .cse0 .cse1 .cse4 .cse24))) (and .cse0 .cse1 .cse21 .cse19 .cse5) (and .cse8 .cse1 .cse22 .cse13 .cse24) (and .cse2 .cse19 .cse5 .cse7) (and .cse1 .cse2 .cse12 .cse13 .cse5) (and .cse1 .cse5 .cse25 .cse26) (and .cse8 .cse1 .cse18 .cse11) (and .cse2 .cse10 .cse4 .cse7) (and .cse14 .cse10 .cse11 .cse25) (and .cse0 .cse1 .cse22 .cse11 .cse27) (and .cse1 .cse27 .cse24 .cse26) (and .cse15 .cse10 (<= ~a29~0 4455)) (and .cse8 .cse1 .cse14 .cse16 .cse11 .cse17) (and .cse15 .cse1 .cse12 .cse22 .cse5 .cse25) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse7) (and .cse0 .cse15 .cse1 .cse5 .cse7) (and .cse10 .cse27 .cse4) (and .cse0 .cse1 .cse13 .cse24 .cse7) (and .cse22 .cse10 .cse13 .cse27) (and .cse14 .cse10 .cse4 .cse7) (and (<= (+ ~a29~0 144) 0) (<= .cse28 0) (= 1 ~a2~0)) (and .cse10 .cse19 .cse7))))) [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-17 04:48:35,569 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,570 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,571 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,572 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,573 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,574 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-17 04:48:35,575 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-12-17 04:48:35,577 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:48:35,578 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:48:35,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:48:35 BoogieIcfgContainer [2021-12-17 04:48:35,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:48:35,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:48:35,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:48:35,615 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:48:35,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:45:53" (3/4) ... [2021-12-17 04:48:35,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:48:35,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-17 04:48:35,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:48:35,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:48:35,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:48:35,765 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:48:35,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:48:35,765 INFO L158 Benchmark]: Toolchain (without parser) took 164806.65ms. Allocated memory was 88.1MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 50.3MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-12-17 04:48:35,766 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:48:35,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.32ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 50.2MB in the beginning and 53.1MB in the end (delta: -2.9MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-12-17 04:48:35,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.69ms. Allocated memory is still 111.1MB. Free memory was 53.1MB in the beginning and 50.3MB in the end (delta: 2.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-12-17 04:48:35,768 INFO L158 Benchmark]: Boogie Preprocessor took 195.93ms. Allocated memory is still 111.1MB. Free memory was 50.3MB in the beginning and 51.5MB in the end (delta: -1.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-12-17 04:48:35,768 INFO L158 Benchmark]: RCFGBuilder took 1898.07ms. Allocated memory was 111.1MB in the beginning and 230.7MB in the end (delta: 119.5MB). Free memory was 51.5MB in the beginning and 165.3MB in the end (delta: -113.8MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2021-12-17 04:48:35,771 INFO L158 Benchmark]: TraceAbstraction took 161633.04ms. Allocated memory was 230.7MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 164.3MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2021-12-17 04:48:35,772 INFO L158 Benchmark]: Witness Printer took 150.05ms. Allocated memory is still 3.5GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-17 04:48:35,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.32ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 50.2MB in the beginning and 53.1MB in the end (delta: -2.9MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.69ms. Allocated memory is still 111.1MB. Free memory was 53.1MB in the beginning and 50.3MB in the end (delta: 2.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 195.93ms. Allocated memory is still 111.1MB. Free memory was 50.3MB in the beginning and 51.5MB in the end (delta: -1.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1898.07ms. Allocated memory was 111.1MB in the beginning and 230.7MB in the end (delta: 119.5MB). Free memory was 51.5MB in the beginning and 165.3MB in the end (delta: -113.8MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * TraceAbstraction took 161633.04ms. Allocated memory was 230.7MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 164.3MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Witness Printer took 150.05ms. Allocated memory is still 3.5GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. 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: 149]: 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: 161.6s, OverallIterations: 27, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 55.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20919 SdHoareTripleChecker+Valid, 50.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20919 mSDsluCounter, 9716 SdHoareTripleChecker+Invalid, 42.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1934 IncrementalHoareTripleChecker+Unchecked, 1492 mSDsCounter, 10615 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43092 IncrementalHoareTripleChecker+Invalid, 55641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10615 mSolverCounterUnsat, 8224 mSDtfsCounter, 43092 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16111 GetRequests, 15986 SyntacticMatches, 2 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49478occurred in iteration=13, InterpolantAutomatonStates: 132, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 27 MinimizatonAttempts, 70377 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 367 NumberOfFragments, 2846 HoareAnnotationTreeSize, 4 FomulaSimplifications, 48539 FormulaSimplificationTreeSizeReduction, 17.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 715134 FormulaSimplificationTreeSizeReductionInter, 15.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 59.3s InterpolantComputationTime, 26289 NumberOfCodeBlocks, 26289 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 32601 ConstructedInterpolants, 366 QuantifiedInterpolants, 166375 SizeOfPredicates, 13 NumberOfNonLiveVariables, 11612 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 48 InterpolantComputations, 23 PerfectInterpolantSequences, 42389/46744 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 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && 0 < a0 + 147) && 3 == a2) && a0 + 98 <= 0) && a29 * 9 / 10 <= 579663) && (a29 + -315762) / 5 <= 109468) || (((a29 + 16 <= 0 && a4 + 42 <= 0) && 3 == a2) && a0 + 98 <= 0)) || (((a29 + 127 == 0 && 0 <= a0 + 44) && a4 + 89 <= 0) && a2 == 1)) || (((43 < a29 && a29 <= 96178) && a4 + 89 <= 0) && 5 <= a2)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && 5 <= a2)) || ((4 == a2 && a0 + 61 <= 0) && a4 + 89 <= 0)) || ((((((a29 + 16 <= 0 && 0 < a4 + 86) && a4 + 42 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && 5 <= a2) && a0 + 98 <= 0) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || ((((a4 + 42 <= 0 && 43 < a29) && a0 + 150 <= 0) && a2 == 1) && (a29 + -315762) / 5 <= 109468)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && 2 == a2) && (a29 / 5 * -1 + 181102) / -5 <= 109469)) || (((((0 < a4 + 86 && a4 + 42 <= 0) && a29 / 5 <= 550000) && 0 <= a29 + 127) && 5 <= a2) && a0 + 98 <= 0)) || (((((4 == a2 && a29 + 16 <= 0) && a4 + 42 <= 0) && a0 + 150 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || ((a29 * -1 + -533325) / -5 <= 550001 && ((((((0 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && a0 + 150 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468) || (((0 < a4 + 86 && a4 + 42 <= 0) && 3 == a2) && a0 + 366639 <= 0)))) || ((((0 < a4 + 86 && a4 + 42 <= 0) && a29 / 5 <= 550000) && 2 == a2) && a0 + 98 <= 0)) || ((((a29 + 16 <= 0 && a4 + 42 <= 0) && 0 <= a29 + 127) && 5 <= a2) && a0 + 366639 <= 0)) || (((43 < a29 && 2 == a2) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((((a4 + 42 <= 0 && 43 < a29) && a29 <= 96178) && 5 <= a2) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 98 <= 0) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147)) && ((((a29 <= 96178 && 0 <= a29 + 127) && a0 + 61 <= 0) && 3 == a2) || (((0 < a4 + 86 && a29 <= 96178) && a0 + 61 <= 0) && 3 == a2)))) || (((a29 + 16 <= 0 && a4 + 42 <= 0) && a0 + 150 <= 0) && a2 == 1)) || (((43 < a29 && a4 + 89 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 1) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147))) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 0 <= a29 + 127) && a2 == 1) && a29 <= 41)) || (((a4 + 42 <= 0 && a29 <= 41) && a0 + 366639 <= 0) && ((((a29 <= 96178 && 0 <= a29 + 127) && a0 + 61 <= 0) && 3 == a2) || (((0 < a4 + 86 && a29 <= 96178) && a0 + 61 <= 0) && 3 == a2)))) || ((4 == a2 && a4 + 89 <= 0) && a29 <= 4455)) || (((((a29 + 16 <= 0 && a4 + 42 <= 0) && a0 + 61 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && a2 == 1) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || (((((4 == a2 && a4 + 42 <= 0) && a29 <= 96178) && 0 <= a29 + 127) && a0 + 98 <= 0) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147))) || ((a4 + 89 <= 0 && a29 + 153400 <= 0) && a2 == 1)) || (((((0 < a4 + 86 && a4 + 42 <= 0) && a2 == 1) && 0 < a0 + 147) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((((0 < a4 + 86 && 4 == a2) && a4 + 42 <= 0) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((a4 + 89 <= 0 && a29 <= 41) && 3 == a2)) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 5 <= a2) && a0 + 366639 <= 0) && (a29 + -315762) / 5 <= 109468)) || (((0 <= a29 + 127 && a4 + 89 <= 0) && 5 <= a2) && a29 <= 41)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468)) || ((((a29 * -1 + 5) / -5 + 38483 <= 0 && a0 + 61 <= 0) && a2 == 1) && a4 + 86 <= 0)) || ((a4 + 89 <= 0 && 2 == a2) && (a29 + -315762) / 5 <= 109468) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((0 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && 0 < a0 + 147) && 3 == a2) && a0 + 98 <= 0) && a29 * 9 / 10 <= 579663) && (a29 + -315762) / 5 <= 109468) || (((a29 + 16 <= 0 && a4 + 42 <= 0) && 3 == a2) && a0 + 98 <= 0)) || (((a29 + 127 == 0 && 0 <= a0 + 44) && a4 + 89 <= 0) && a2 == 1)) || (((43 < a29 && a29 <= 96178) && a4 + 89 <= 0) && 5 <= a2)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && 5 <= a2)) || ((4 == a2 && a0 + 61 <= 0) && a4 + 89 <= 0)) || ((((((a29 + 16 <= 0 && 0 < a4 + 86) && a4 + 42 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && 5 <= a2) && a0 + 98 <= 0) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || ((((a4 + 42 <= 0 && 43 < a29) && a0 + 150 <= 0) && a2 == 1) && (a29 + -315762) / 5 <= 109468)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && 2 == a2) && (a29 / 5 * -1 + 181102) / -5 <= 109469)) || (((((0 < a4 + 86 && a4 + 42 <= 0) && a29 / 5 <= 550000) && 0 <= a29 + 127) && 5 <= a2) && a0 + 98 <= 0)) || (((((4 == a2 && a29 + 16 <= 0) && a4 + 42 <= 0) && a0 + 150 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || ((a29 * -1 + -533325) / -5 <= 550001 && ((((((0 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && a0 + 150 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468) || (((0 < a4 + 86 && a4 + 42 <= 0) && 3 == a2) && a0 + 366639 <= 0)))) || ((((0 < a4 + 86 && a4 + 42 <= 0) && a29 / 5 <= 550000) && 2 == a2) && a0 + 98 <= 0)) || ((((a29 + 16 <= 0 && a4 + 42 <= 0) && 0 <= a29 + 127) && 5 <= a2) && a0 + 366639 <= 0)) || (((43 < a29 && 2 == a2) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((((a4 + 42 <= 0 && 43 < a29) && a29 <= 96178) && 5 <= a2) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 98 <= 0) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147)) && ((((a29 <= 96178 && 0 <= a29 + 127) && a0 + 61 <= 0) && 3 == a2) || (((0 < a4 + 86 && a29 <= 96178) && a0 + 61 <= 0) && 3 == a2)))) || (((a29 + 16 <= 0 && a4 + 42 <= 0) && a0 + 150 <= 0) && a2 == 1)) || (((43 < a29 && a4 + 89 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 1) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147))) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 0 <= a29 + 127) && a2 == 1) && a29 <= 41)) || (((a4 + 42 <= 0 && a29 <= 41) && a0 + 366639 <= 0) && ((((a29 <= 96178 && 0 <= a29 + 127) && a0 + 61 <= 0) && 3 == a2) || (((0 < a4 + 86 && a29 <= 96178) && a0 + 61 <= 0) && 3 == a2)))) || ((4 == a2 && a4 + 89 <= 0) && a29 <= 4455)) || (((((a29 + 16 <= 0 && a4 + 42 <= 0) && a0 + 61 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && a2 == 1) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || (((((4 == a2 && a4 + 42 <= 0) && a29 <= 96178) && 0 <= a29 + 127) && a0 + 98 <= 0) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147))) || (((((0 < a4 + 86 && a4 + 42 <= 0) && a2 == 1) && 0 < a0 + 147) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((((0 < a4 + 86 && 4 == a2) && a4 + 42 <= 0) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((a4 + 89 <= 0 && a29 <= 41) && 3 == a2)) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 5 <= a2) && a0 + 366639 <= 0) && (a29 + -315762) / 5 <= 109468)) || (((0 <= a29 + 127 && a4 + 89 <= 0) && 5 <= a2) && a29 <= 41)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468)) || ((a29 + 144 <= 0 && a4 + 86 <= 0) && 1 == a2)) || ((a4 + 89 <= 0 && 2 == a2) && (a29 + -315762) / 5 <= 109468) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((0 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && 0 < a0 + 147) && 3 == a2) && a0 + 98 <= 0) && a29 * 9 / 10 <= 579663) && (a29 + -315762) / 5 <= 109468) || (((a29 + 16 <= 0 && a4 + 42 <= 0) && 3 == a2) && a0 + 98 <= 0)) || (((a29 + 127 == 0 && 0 <= a0 + 44) && a4 + 89 <= 0) && a2 == 1)) || (((43 < a29 && a29 <= 96178) && a4 + 89 <= 0) && 5 <= a2)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && 5 <= a2)) || ((4 == a2 && a0 + 61 <= 0) && a4 + 89 <= 0)) || ((((((a29 + 16 <= 0 && 0 < a4 + 86) && a4 + 42 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && 5 <= a2) && a0 + 98 <= 0) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || ((((a4 + 42 <= 0 && 43 < a29) && a0 + 150 <= 0) && a2 == 1) && (a29 + -315762) / 5 <= 109468)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && 2 == a2) && (a29 / 5 * -1 + 181102) / -5 <= 109469)) || (((((0 < a4 + 86 && a4 + 42 <= 0) && a29 / 5 <= 550000) && 0 <= a29 + 127) && 5 <= a2) && a0 + 98 <= 0)) || (((((4 == a2 && a29 + 16 <= 0) && a4 + 42 <= 0) && a0 + 150 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || ((a29 * -1 + -533325) / -5 <= 550001 && ((((((0 < a4 + 86 && a4 + 42 <= 0) && 43 < a29) && a0 + 150 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468) || (((0 < a4 + 86 && a4 + 42 <= 0) && 3 == a2) && a0 + 366639 <= 0)))) || ((((0 < a4 + 86 && a4 + 42 <= 0) && a29 / 5 <= 550000) && 2 == a2) && a0 + 98 <= 0)) || ((((a29 + 16 <= 0 && a4 + 42 <= 0) && 0 <= a29 + 127) && 5 <= a2) && a0 + 366639 <= 0)) || (((43 < a29 && 2 == a2) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((((a4 + 42 <= 0 && 43 < a29) && a29 <= 96178) && 5 <= a2) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 98 <= 0) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147)) && ((((a29 <= 96178 && 0 <= a29 + 127) && a0 + 61 <= 0) && 3 == a2) || (((0 < a4 + 86 && a29 <= 96178) && a0 + 61 <= 0) && 3 == a2)))) || (((a29 + 16 <= 0 && a4 + 42 <= 0) && a0 + 150 <= 0) && a2 == 1)) || (((43 < a29 && a4 + 89 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 1) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147))) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 0 <= a29 + 127) && a2 == 1) && a29 <= 41)) || (((a4 + 42 <= 0 && a29 <= 41) && a0 + 366639 <= 0) && ((((a29 <= 96178 && 0 <= a29 + 127) && a0 + 61 <= 0) && 3 == a2) || (((0 < a4 + 86 && a29 <= 96178) && a0 + 61 <= 0) && 3 == a2)))) || ((4 == a2 && a4 + 89 <= 0) && a29 <= 4455)) || (((((a29 + 16 <= 0 && a4 + 42 <= 0) && a0 + 61 <= 0) && 5 * ((a29 * -1 + -384948) / 10) + 16 <= 0) && a2 == 1) && (0 == (a29 * 9 + 2) % 10 || 5 * ((a29 * -1 + -384948) / 10) + 21 <= 0))) || (((((4 == a2 && a4 + 42 <= 0) && a29 <= 96178) && 0 <= a29 + 127) && a0 + 98 <= 0) && (((a29 + 16 <= 0 || 0 < a4 + 86) || 43 < a29) || 0 < a0 + 147))) || (((((0 < a4 + 86 && a4 + 42 <= 0) && a2 == 1) && 0 < a0 + 147) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((((0 < a4 + 86 && 4 == a2) && a4 + 42 <= 0) && a0 + 98 <= 0) && (a29 + -315762) / 5 <= 109468)) || ((a4 + 89 <= 0 && a29 <= 41) && 3 == a2)) || ((((0 < a4 + 86 && a4 + 42 <= 0) && 5 <= a2) && a0 + 366639 <= 0) && (a29 + -315762) / 5 <= 109468)) || (((0 <= a29 + 127 && a4 + 89 <= 0) && 5 <= a2) && a29 <= 41)) || (((a0 + 61 <= 0 && a4 + 89 <= 0) && 3 == a2) && (a29 + -315762) / 5 <= 109468)) || ((a29 + 144 <= 0 && a4 + 86 <= 0) && 1 == a2)) || ((a4 + 89 <= 0 && 2 == a2) && (a29 + -315762) / 5 <= 109468) RESULT: Ultimate proved your program to be correct! [2021-12-17 04:48:35,811 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