./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label35.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_label35.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 954f50d37143b139a2ebc4626a6099455decd471f8c1055eb5e8a313dea8492b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:49:11,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:49:11,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:49:11,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:49:11,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:49:11,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:49:11,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:49:11,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:49:11,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:49:11,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:49:11,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:49:11,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:49:11,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:49:11,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:49:11,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:49:11,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:49:11,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:49:11,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:49:11,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:49:11,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:49:11,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:49:11,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:49:11,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:49:11,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:49:11,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:49:11,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:49:11,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:49:11,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:49:11,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:49:11,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:49:11,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:49:11,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:49:11,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:49:11,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:49:11,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:49:11,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:49:11,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:49:11,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:49:11,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:49:11,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:49:11,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:49:11,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:49:11,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:49:11,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:49:11,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:49:11,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:49:11,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:49:11,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:49:11,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:49:11,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:49:11,756 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:49:11,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:49:11,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:49:11,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:49:11,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:49:11,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:49:11,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:49:11,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:49:11,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:49:11,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:49:11,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:49:11,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:49:11,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:49:11,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:49:11,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:49:11,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:49:11,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:49:11,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:49:11,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:49:11,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:49:11,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:49:11,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:49:11,760 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:49:11,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:49:11,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:49:11,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:49:11,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 954f50d37143b139a2ebc4626a6099455decd471f8c1055eb5e8a313dea8492b [2021-12-17 04:49:11,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:49:11,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:49:11,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:49:11,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:49:11,962 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:49:11,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label35.c [2021-12-17 04:49:12,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8fe5581/aaf1e38dd481435480c501a1e46dc956/FLAGb84af0449 [2021-12-17 04:49:12,446 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:49:12,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label35.c [2021-12-17 04:49:12,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8fe5581/aaf1e38dd481435480c501a1e46dc956/FLAGb84af0449 [2021-12-17 04:49:12,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8fe5581/aaf1e38dd481435480c501a1e46dc956 [2021-12-17 04:49:12,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:49:12,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:49:12,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:49:12,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:49:12,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:49:12,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:49:12" (1/1) ... [2021-12-17 04:49:12,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5148708e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:12, skipping insertion in model container [2021-12-17 04:49:12,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:49:12" (1/1) ... [2021-12-17 04:49:12,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:49:12,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:49:12,994 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_label35.c[4490,4503] [2021-12-17 04:49:13,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:49:13,234 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:49:13,261 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_label35.c[4490,4503] [2021-12-17 04:49:13,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:49:13,419 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:49:13,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13 WrapperNode [2021-12-17 04:49:13,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:49:13,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:49:13,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:49:13,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:49:13,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,608 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-12-17 04:49:13,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:49:13,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:49:13,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:49:13,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:49:13,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:49:13,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:49:13,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:49:13,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:49:13,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (1/1) ... [2021-12-17 04:49:13,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:49:13,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:13,807 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 04:49:13,822 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 04:49:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:49:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:49:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:49:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:49:13,939 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:49:13,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:49:15,634 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:49:15,643 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:49:15,645 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:49:15,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:49:15 BoogieIcfgContainer [2021-12-17 04:49:15,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:49:15,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:49:15,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:49:15,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:49:15,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:49:12" (1/3) ... [2021-12-17 04:49:15,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb94851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:49:15, skipping insertion in model container [2021-12-17 04:49:15,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:49:13" (2/3) ... [2021-12-17 04:49:15,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb94851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:49:15, skipping insertion in model container [2021-12-17 04:49:15,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:49:15" (3/3) ... [2021-12-17 04:49:15,653 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label35.c [2021-12-17 04:49:15,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:49:15,656 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:49:15,701 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:49:15,705 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 04:49:15,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:49:15,718 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 04:49:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-17 04:49:15,722 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:15,722 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] [2021-12-17 04:49:15,723 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:15,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:15,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1318097310, now seen corresponding path program 1 times [2021-12-17 04:49:15,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:15,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342706767] [2021-12-17 04:49:15,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:15,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:15,917 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 04:49:15,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:15,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342706767] [2021-12-17 04:49:15,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342706767] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:15,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:15,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:49:15,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512084194] [2021-12-17 04:49:15,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:15,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:15,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:15,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:15,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:15,947 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 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 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 04:49:17,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:17,493 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-12-17 04:49:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:17,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-12-17 04:49:17,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:17,505 INFO L225 Difference]: With dead ends: 1155 [2021-12-17 04:49:17,506 INFO L226 Difference]: Without dead ends: 667 [2021-12-17 04:49:17,509 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 04:49:17,511 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 308 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:17,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-17 04:49:17,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-12-17 04:49:17,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-12-17 04:49:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 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 04:49:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-12-17 04:49:17,553 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 36 [2021-12-17 04:49:17,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:17,553 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-12-17 04:49:17,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 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 04:49:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-12-17 04:49:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-17 04:49:17,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:17,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:17,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:49:17,556 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:17,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:17,557 INFO L85 PathProgramCache]: Analyzing trace with hash 532908861, now seen corresponding path program 1 times [2021-12-17 04:49:17,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:17,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867013236] [2021-12-17 04:49:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:17,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:49:17,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:17,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867013236] [2021-12-17 04:49:17,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867013236] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:17,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:17,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:49:17,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201285643] [2021-12-17 04:49:17,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:17,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:17,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:17,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:17,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:17,665 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 04:49:19,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:19,110 INFO L93 Difference]: Finished difference Result 1931 states and 2857 transitions. [2021-12-17 04:49:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:19,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-12-17 04:49:19,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:19,115 INFO L225 Difference]: With dead ends: 1931 [2021-12-17 04:49:19,115 INFO L226 Difference]: Without dead ends: 1268 [2021-12-17 04:49:19,116 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 04:49:19,116 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 240 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:19,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-17 04:49:19,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2021-12-17 04:49:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1266. [2021-12-17 04:49:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2021-12-17 04:49:19,138 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 111 [2021-12-17 04:49:19,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:19,139 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2021-12-17 04:49:19,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 04:49:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2021-12-17 04:49:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-17 04:49:19,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:19,145 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:19,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:49:19,147 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:19,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:19,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1564861423, now seen corresponding path program 1 times [2021-12-17 04:49:19,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:19,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545913569] [2021-12-17 04:49:19,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:19,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-17 04:49:19,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:19,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545913569] [2021-12-17 04:49:19,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545913569] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:19,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:19,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:49:19,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351569629] [2021-12-17 04:49:19,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:19,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:19,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:19,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:19,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:19,278 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 2 states have internal predecessors, (129), 0 states have call successors, (0), 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 04:49:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:20,617 INFO L93 Difference]: Finished difference Result 3436 states and 4550 transitions. [2021-12-17 04:49:20,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:20,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 2 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2021-12-17 04:49:20,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:20,625 INFO L225 Difference]: With dead ends: 3436 [2021-12-17 04:49:20,625 INFO L226 Difference]: Without dead ends: 2172 [2021-12-17 04:49:20,626 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 04:49:20,631 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:20,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:49:20,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2021-12-17 04:49:20,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2168. [2021-12-17 04:49:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 2167 states have (on average 1.2344254730041533) internal successors, (2675), 2167 states have internal predecessors, (2675), 0 states have call successors, (0), 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 04:49:20,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 2675 transitions. [2021-12-17 04:49:20,666 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 2675 transitions. Word has length 202 [2021-12-17 04:49:20,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:20,667 INFO L470 AbstractCegarLoop]: Abstraction has 2168 states and 2675 transitions. [2021-12-17 04:49:20,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 2 states have internal predecessors, (129), 0 states have call successors, (0), 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 04:49:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 2675 transitions. [2021-12-17 04:49:20,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-17 04:49:20,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:20,678 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:20,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:49:20,678 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:20,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:20,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2135107277, now seen corresponding path program 1 times [2021-12-17 04:49:20,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:20,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250053049] [2021-12-17 04:49:20,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:20,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-17 04:49:20,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:20,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250053049] [2021-12-17 04:49:20,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250053049] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:20,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:20,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:49:20,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816448763] [2021-12-17 04:49:20,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:20,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:20,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:20,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:20,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:20,888 INFO L87 Difference]: Start difference. First operand 2168 states and 2675 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:22,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:22,028 INFO L93 Difference]: Finished difference Result 4633 states and 5659 transitions. [2021-12-17 04:49:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:22,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 308 [2021-12-17 04:49:22,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:22,036 INFO L225 Difference]: With dead ends: 4633 [2021-12-17 04:49:22,036 INFO L226 Difference]: Without dead ends: 2467 [2021-12-17 04:49:22,038 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 04:49:22,038 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:22,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:49:22,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2021-12-17 04:49:22,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2467. [2021-12-17 04:49:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2466 states have (on average 1.208434712084347) internal successors, (2980), 2466 states have internal predecessors, (2980), 0 states have call successors, (0), 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 04:49:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 2980 transitions. [2021-12-17 04:49:22,065 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 2980 transitions. Word has length 308 [2021-12-17 04:49:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:22,066 INFO L470 AbstractCegarLoop]: Abstraction has 2467 states and 2980 transitions. [2021-12-17 04:49:22,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2980 transitions. [2021-12-17 04:49:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-12-17 04:49:22,068 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:22,068 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:22,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:49:22,069 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:22,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:22,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1741911394, now seen corresponding path program 1 times [2021-12-17 04:49:22,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:22,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595562715] [2021-12-17 04:49:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:22,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-17 04:49:22,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:22,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595562715] [2021-12-17 04:49:22,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595562715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:22,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:22,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:22,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434958380] [2021-12-17 04:49:22,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:22,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:22,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:22,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:22,167 INFO L87 Difference]: Start difference. First operand 2467 states and 2980 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 04:49:23,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:23,408 INFO L93 Difference]: Finished difference Result 5841 states and 7264 transitions. [2021-12-17 04:49:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:23,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 323 [2021-12-17 04:49:23,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:23,417 INFO L225 Difference]: With dead ends: 5841 [2021-12-17 04:49:23,417 INFO L226 Difference]: Without dead ends: 3675 [2021-12-17 04:49:23,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:23,420 INFO L933 BasicCegarLoop]: 633 mSDtfsCounter, 280 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:23,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 672 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:49:23,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3675 states. [2021-12-17 04:49:23,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3675 to 3674. [2021-12-17 04:49:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3674 states, 3673 states have (on average 1.1687993465831745) internal successors, (4293), 3673 states have internal predecessors, (4293), 0 states have call successors, (0), 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 04:49:23,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3674 states and 4293 transitions. [2021-12-17 04:49:23,456 INFO L78 Accepts]: Start accepts. Automaton has 3674 states and 4293 transitions. Word has length 323 [2021-12-17 04:49:23,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:23,457 INFO L470 AbstractCegarLoop]: Abstraction has 3674 states and 4293 transitions. [2021-12-17 04:49:23,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 04:49:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 4293 transitions. [2021-12-17 04:49:23,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-17 04:49:23,460 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:23,460 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:23,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:49:23,461 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:23,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:23,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1792802591, now seen corresponding path program 1 times [2021-12-17 04:49:23,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:23,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203453028] [2021-12-17 04:49:23,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:23,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-17 04:49:23,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:23,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203453028] [2021-12-17 04:49:23,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203453028] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:23,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:23,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:23,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369958539] [2021-12-17 04:49:23,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:23,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:23,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:23,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:23,584 INFO L87 Difference]: Start difference. First operand 3674 states and 4293 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 04:49:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:24,912 INFO L93 Difference]: Finished difference Result 8250 states and 9880 transitions. [2021-12-17 04:49:24,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:24,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 382 [2021-12-17 04:49:24,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:24,924 INFO L225 Difference]: With dead ends: 8250 [2021-12-17 04:49:24,925 INFO L226 Difference]: Without dead ends: 4877 [2021-12-17 04:49:24,927 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 04:49:24,928 INFO L933 BasicCegarLoop]: 598 mSDtfsCounter, 291 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:24,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 635 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:49:24,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2021-12-17 04:49:24,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4578. [2021-12-17 04:49:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4578 states, 4577 states have (on average 1.1511907362901463) internal successors, (5269), 4577 states have internal predecessors, (5269), 0 states have call successors, (0), 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 04:49:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4578 states and 5269 transitions. [2021-12-17 04:49:24,975 INFO L78 Accepts]: Start accepts. Automaton has 4578 states and 5269 transitions. Word has length 382 [2021-12-17 04:49:24,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:24,976 INFO L470 AbstractCegarLoop]: Abstraction has 4578 states and 5269 transitions. [2021-12-17 04:49:24,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 04:49:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4578 states and 5269 transitions. [2021-12-17 04:49:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-12-17 04:49:24,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:24,980 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:24,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:49:24,980 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:24,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:24,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1580426828, now seen corresponding path program 1 times [2021-12-17 04:49:24,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:24,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566051442] [2021-12-17 04:49:24,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:24,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 67 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:49:25,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:25,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566051442] [2021-12-17 04:49:25,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566051442] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:49:25,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074444195] [2021-12-17 04:49:25,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:25,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:25,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:25,186 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 04:49:25,188 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 04:49:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:25,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:49:25,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:49:25,913 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 04:49:25,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:49:25,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074444195] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:25,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:49:25,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-17 04:49:25,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051630957] [2021-12-17 04:49:25,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:25,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:25,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:25,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:25,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:49:25,917 INFO L87 Difference]: Start difference. First operand 4578 states and 5269 transitions. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 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 04:49:27,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:27,282 INFO L93 Difference]: Finished difference Result 10058 states and 11837 transitions. [2021-12-17 04:49:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:27,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 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 387 [2021-12-17 04:49:27,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:27,296 INFO L225 Difference]: With dead ends: 10058 [2021-12-17 04:49:27,296 INFO L226 Difference]: Without dead ends: 5781 [2021-12-17 04:49:27,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:49:27,302 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 269 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:27,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 263 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:49:27,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2021-12-17 04:49:27,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5776. [2021-12-17 04:49:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5776 states, 5775 states have (on average 1.1464935064935065) internal successors, (6621), 5775 states have internal predecessors, (6621), 0 states have call successors, (0), 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 04:49:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5776 states to 5776 states and 6621 transitions. [2021-12-17 04:49:27,369 INFO L78 Accepts]: Start accepts. Automaton has 5776 states and 6621 transitions. Word has length 387 [2021-12-17 04:49:27,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:27,369 INFO L470 AbstractCegarLoop]: Abstraction has 5776 states and 6621 transitions. [2021-12-17 04:49:27,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 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 04:49:27,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5776 states and 6621 transitions. [2021-12-17 04:49:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-12-17 04:49:27,375 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:27,375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:27,410 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 04:49:27,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:27,589 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:27,590 INFO L85 PathProgramCache]: Analyzing trace with hash 843512261, now seen corresponding path program 1 times [2021-12-17 04:49:27,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:27,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387530228] [2021-12-17 04:49:27,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:27,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-17 04:49:27,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:27,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387530228] [2021-12-17 04:49:27,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387530228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:27,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:27,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:27,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604070142] [2021-12-17 04:49:27,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:27,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:27,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:27,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:27,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:27,711 INFO L87 Difference]: Start difference. First operand 5776 states and 6621 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 04:49:28,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:28,988 INFO L93 Difference]: Finished difference Result 13643 states and 15869 transitions. [2021-12-17 04:49:28,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:28,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 487 [2021-12-17 04:49:28,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:29,020 INFO L225 Difference]: With dead ends: 13643 [2021-12-17 04:49:29,021 INFO L226 Difference]: Without dead ends: 8168 [2021-12-17 04:49:29,025 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 04:49:29,026 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 148 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:29,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 316 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:49:29,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2021-12-17 04:49:29,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 4873. [2021-12-17 04:49:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 4872 states have (on average 1.1633825944170773) internal successors, (5668), 4872 states have internal predecessors, (5668), 0 states have call successors, (0), 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 04:49:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 5668 transitions. [2021-12-17 04:49:29,104 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 5668 transitions. Word has length 487 [2021-12-17 04:49:29,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:29,104 INFO L470 AbstractCegarLoop]: Abstraction has 4873 states and 5668 transitions. [2021-12-17 04:49:29,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 04:49:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 5668 transitions. [2021-12-17 04:49:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-12-17 04:49:29,109 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:29,109 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 04:49:29,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 04:49:29,109 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:29,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1011437163, now seen corresponding path program 1 times [2021-12-17 04:49:29,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:29,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471366498] [2021-12-17 04:49:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:29,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 477 proven. 39 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-12-17 04:49:29,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:29,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471366498] [2021-12-17 04:49:29,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471366498] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:49:29,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594240937] [2021-12-17 04:49:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:29,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:29,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:29,280 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 04:49:29,296 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 04:49:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:29,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:49:29,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:49:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-12-17 04:49:29,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:49:29,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594240937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:29,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:49:29,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:49:29,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957368850] [2021-12-17 04:49:29,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:29,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:29,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:29,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:29,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:49:29,899 INFO L87 Difference]: Start difference. First operand 4873 states and 5668 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 04:49:31,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:31,186 INFO L93 Difference]: Finished difference Result 10939 states and 13016 transitions. [2021-12-17 04:49:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:31,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 520 [2021-12-17 04:49:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:31,195 INFO L225 Difference]: With dead ends: 10939 [2021-12-17 04:49:31,195 INFO L226 Difference]: Without dead ends: 6367 [2021-12-17 04:49:31,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 519 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 04:49:31,201 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 383 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:31,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [383 Valid, 449 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:49:31,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6367 states. [2021-12-17 04:49:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6367 to 6367. [2021-12-17 04:49:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6367 states, 6366 states have (on average 1.1842601319509896) internal successors, (7539), 6366 states have internal predecessors, (7539), 0 states have call successors, (0), 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 04:49:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6367 states to 6367 states and 7539 transitions. [2021-12-17 04:49:31,264 INFO L78 Accepts]: Start accepts. Automaton has 6367 states and 7539 transitions. Word has length 520 [2021-12-17 04:49:31,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:31,265 INFO L470 AbstractCegarLoop]: Abstraction has 6367 states and 7539 transitions. [2021-12-17 04:49:31,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 04:49:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6367 states and 7539 transitions. [2021-12-17 04:49:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-17 04:49:31,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:31,269 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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 04:49:31,293 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 04:49:31,487 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,SelfDestructingSolverStorable8 [2021-12-17 04:49:31,488 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:31,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:31,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1710037215, now seen corresponding path program 1 times [2021-12-17 04:49:31,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:31,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705708103] [2021-12-17 04:49:31,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:31,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-17 04:49:31,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:31,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705708103] [2021-12-17 04:49:31,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705708103] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:31,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:31,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:31,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107255375] [2021-12-17 04:49:31,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:31,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:31,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:31,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:31,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:31,618 INFO L87 Difference]: Start difference. First operand 6367 states and 7539 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 04:49:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:33,354 INFO L93 Difference]: Finished difference Result 17231 states and 20507 transitions. [2021-12-17 04:49:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:33,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 524 [2021-12-17 04:49:33,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:33,369 INFO L225 Difference]: With dead ends: 17231 [2021-12-17 04:49:33,369 INFO L226 Difference]: Without dead ends: 11165 [2021-12-17 04:49:33,372 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 04:49:33,373 INFO L933 BasicCegarLoop]: 589 mSDtfsCounter, 246 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:33,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 623 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-17 04:49:33,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11165 states. [2021-12-17 04:49:33,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11165 to 10855. [2021-12-17 04:49:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10855 states, 10854 states have (on average 1.1451077943615258) internal successors, (12429), 10854 states have internal predecessors, (12429), 0 states have call successors, (0), 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 04:49:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10855 states to 10855 states and 12429 transitions. [2021-12-17 04:49:33,469 INFO L78 Accepts]: Start accepts. Automaton has 10855 states and 12429 transitions. Word has length 524 [2021-12-17 04:49:33,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:33,469 INFO L470 AbstractCegarLoop]: Abstraction has 10855 states and 12429 transitions. [2021-12-17 04:49:33,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 04:49:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 10855 states and 12429 transitions. [2021-12-17 04:49:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2021-12-17 04:49:33,475 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:33,477 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-17 04:49:33,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 04:49:33,477 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:33,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:33,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1581987568, now seen corresponding path program 1 times [2021-12-17 04:49:33,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:33,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702896685] [2021-12-17 04:49:33,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:33,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 293 proven. 268 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-12-17 04:49:33,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:33,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702896685] [2021-12-17 04:49:33,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702896685] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:49:33,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665265599] [2021-12-17 04:49:33,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:33,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:33,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:33,672 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 04:49:33,710 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 04:49:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:33,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:49:33,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:49:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-17 04:49:34,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:49:34,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665265599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:34,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:49:34,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-17 04:49:34,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201457639] [2021-12-17 04:49:34,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:34,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:34,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:34,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:49:34,465 INFO L87 Difference]: Start difference. First operand 10855 states and 12429 transitions. Second operand has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 04:49:35,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:35,451 INFO L93 Difference]: Finished difference Result 21411 states and 24555 transitions. [2021-12-17 04:49:35,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:35,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 579 [2021-12-17 04:49:35,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:35,466 INFO L225 Difference]: With dead ends: 21411 [2021-12-17 04:49:35,466 INFO L226 Difference]: Without dead ends: 10857 [2021-12-17 04:49:35,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:49:35,475 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 310 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:35,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 447 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:49:35,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10857 states. [2021-12-17 04:49:35,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10857 to 10852. [2021-12-17 04:49:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10852 states, 10851 states have (on average 1.1311399870979633) internal successors, (12274), 10851 states have internal predecessors, (12274), 0 states have call successors, (0), 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 04:49:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10852 states to 10852 states and 12274 transitions. [2021-12-17 04:49:35,570 INFO L78 Accepts]: Start accepts. Automaton has 10852 states and 12274 transitions. Word has length 579 [2021-12-17 04:49:35,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:35,570 INFO L470 AbstractCegarLoop]: Abstraction has 10852 states and 12274 transitions. [2021-12-17 04:49:35,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 04:49:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 10852 states and 12274 transitions. [2021-12-17 04:49:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-12-17 04:49:35,576 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:35,577 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:35,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-17 04:49:35,791 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 04:49:35,791 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:35,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:35,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1926565044, now seen corresponding path program 1 times [2021-12-17 04:49:35,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:35,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92058857] [2021-12-17 04:49:35,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:35,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 561 proven. 39 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-12-17 04:49:35,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:35,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92058857] [2021-12-17 04:49:35,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92058857] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:49:35,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371117217] [2021-12-17 04:49:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:35,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:35,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:35,960 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 04:49:36,022 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 04:49:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:36,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-17 04:49:36,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:49:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 561 proven. 39 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-12-17 04:49:37,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:49:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 561 proven. 39 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-12-17 04:49:38,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371117217] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:49:38,936 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:49:38,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-17 04:49:38,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233040305] [2021-12-17 04:49:38,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:49:38,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 04:49:38,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:38,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 04:49:38,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:49:38,938 INFO L87 Difference]: Start difference. First operand 10852 states and 12274 transitions. Second operand has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 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 04:49:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:43,432 INFO L93 Difference]: Finished difference Result 28840 states and 32462 transitions. [2021-12-17 04:49:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 04:49:43,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 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 600 [2021-12-17 04:49:43,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:43,449 INFO L225 Difference]: With dead ends: 28840 [2021-12-17 04:49:43,449 INFO L226 Difference]: Without dead ends: 12946 [2021-12-17 04:49:43,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1209 GetRequests, 1195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-12-17 04:49:43,461 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 2645 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 5911 mSolverCounterSat, 683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 6594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 5911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:43,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2645 Valid, 249 Invalid, 6594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [683 Valid, 5911 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-17 04:49:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12946 states. [2021-12-17 04:49:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12946 to 10252. [2021-12-17 04:49:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10252 states, 10251 states have (on average 1.0618476246219881) internal successors, (10885), 10251 states have internal predecessors, (10885), 0 states have call successors, (0), 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 04:49:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10252 states to 10252 states and 10885 transitions. [2021-12-17 04:49:43,611 INFO L78 Accepts]: Start accepts. Automaton has 10252 states and 10885 transitions. Word has length 600 [2021-12-17 04:49:43,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:43,612 INFO L470 AbstractCegarLoop]: Abstraction has 10252 states and 10885 transitions. [2021-12-17 04:49:43,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 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 04:49:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 10252 states and 10885 transitions. [2021-12-17 04:49:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2021-12-17 04:49:43,619 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:43,620 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:43,639 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 04:49:43,835 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 04:49:43,836 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:43,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:43,836 INFO L85 PathProgramCache]: Analyzing trace with hash 366324416, now seen corresponding path program 1 times [2021-12-17 04:49:43,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:43,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809398432] [2021-12-17 04:49:43,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:43,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-12-17 04:49:43,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:43,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809398432] [2021-12-17 04:49:43,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809398432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:43,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:43,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:43,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232166980] [2021-12-17 04:49:43,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:43,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:43,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:43,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:43,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:43,979 INFO L87 Difference]: Start difference. First operand 10252 states and 10885 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 04:49:44,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:44,847 INFO L93 Difference]: Finished difference Result 23491 states and 25005 transitions. [2021-12-17 04:49:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:44,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 637 [2021-12-17 04:49:44,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:44,862 INFO L225 Difference]: With dead ends: 23491 [2021-12-17 04:49:44,862 INFO L226 Difference]: Without dead ends: 13241 [2021-12-17 04:49:44,870 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 04:49:44,872 INFO L933 BasicCegarLoop]: 501 mSDtfsCounter, 276 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:44,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 540 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:49:44,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13241 states. [2021-12-17 04:49:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13241 to 12643. [2021-12-17 04:49:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12643 states, 12642 states have (on average 1.053156146179402) internal successors, (13314), 12642 states have internal predecessors, (13314), 0 states have call successors, (0), 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 04:49:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12643 states to 12643 states and 13314 transitions. [2021-12-17 04:49:45,095 INFO L78 Accepts]: Start accepts. Automaton has 12643 states and 13314 transitions. Word has length 637 [2021-12-17 04:49:45,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:45,096 INFO L470 AbstractCegarLoop]: Abstraction has 12643 states and 13314 transitions. [2021-12-17 04:49:45,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 04:49:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 12643 states and 13314 transitions. [2021-12-17 04:49:45,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2021-12-17 04:49:45,104 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:45,106 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:45,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-17 04:49:45,106 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:45,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1686621216, now seen corresponding path program 1 times [2021-12-17 04:49:45,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:45,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168010751] [2021-12-17 04:49:45,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:45,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-17 04:49:45,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:45,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168010751] [2021-12-17 04:49:45,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168010751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:45,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:45,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:45,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942186690] [2021-12-17 04:49:45,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:45,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:45,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:45,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:45,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:45,309 INFO L87 Difference]: Start difference. First operand 12643 states and 13314 transitions. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 04:49:46,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:46,196 INFO L93 Difference]: Finished difference Result 28285 states and 29870 transitions. [2021-12-17 04:49:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:46,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 661 [2021-12-17 04:49:46,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:46,213 INFO L225 Difference]: With dead ends: 28285 [2021-12-17 04:49:46,213 INFO L226 Difference]: Without dead ends: 15943 [2021-12-17 04:49:46,222 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 04:49:46,223 INFO L933 BasicCegarLoop]: 484 mSDtfsCounter, 87 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:46,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 517 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:49:46,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15943 states. [2021-12-17 04:49:46,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15943 to 15642. [2021-12-17 04:49:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15642 states, 15641 states have (on average 1.0524902499840163) internal successors, (16462), 15641 states have internal predecessors, (16462), 0 states have call successors, (0), 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 04:49:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15642 states to 15642 states and 16462 transitions. [2021-12-17 04:49:46,351 INFO L78 Accepts]: Start accepts. Automaton has 15642 states and 16462 transitions. Word has length 661 [2021-12-17 04:49:46,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:46,352 INFO L470 AbstractCegarLoop]: Abstraction has 15642 states and 16462 transitions. [2021-12-17 04:49:46,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 04:49:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 15642 states and 16462 transitions. [2021-12-17 04:49:46,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2021-12-17 04:49:46,364 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:46,364 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:46,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 04:49:46,365 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:46,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:46,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1912380469, now seen corresponding path program 1 times [2021-12-17 04:49:46,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:46,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699172039] [2021-12-17 04:49:46,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:46,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:46,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2021-12-17 04:49:46,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:46,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699172039] [2021-12-17 04:49:46,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699172039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:46,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:46,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:46,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520561047] [2021-12-17 04:49:46,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:46,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:46,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:46,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:46,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:46,564 INFO L87 Difference]: Start difference. First operand 15642 states and 16462 transitions. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:47,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:47,444 INFO L93 Difference]: Finished difference Result 33971 states and 35782 transitions. [2021-12-17 04:49:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:47,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 763 [2021-12-17 04:49:47,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:47,461 INFO L225 Difference]: With dead ends: 33971 [2021-12-17 04:49:47,461 INFO L226 Difference]: Without dead ends: 18331 [2021-12-17 04:49:47,471 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 04:49:47,471 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 187 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:47,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 169 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:49:47,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18331 states. [2021-12-17 04:49:47,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18331 to 17135. [2021-12-17 04:49:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17135 states, 17134 states have (on average 1.0494338741683202) internal successors, (17981), 17134 states have internal predecessors, (17981), 0 states have call successors, (0), 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 04:49:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17135 states to 17135 states and 17981 transitions. [2021-12-17 04:49:47,614 INFO L78 Accepts]: Start accepts. Automaton has 17135 states and 17981 transitions. Word has length 763 [2021-12-17 04:49:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:47,615 INFO L470 AbstractCegarLoop]: Abstraction has 17135 states and 17981 transitions. [2021-12-17 04:49:47,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:49:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 17135 states and 17981 transitions. [2021-12-17 04:49:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2021-12-17 04:49:47,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:47,629 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:47,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 04:49:47,629 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:47,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:47,630 INFO L85 PathProgramCache]: Analyzing trace with hash 160756345, now seen corresponding path program 1 times [2021-12-17 04:49:47,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:47,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687414639] [2021-12-17 04:49:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:47,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2021-12-17 04:49:47,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:47,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687414639] [2021-12-17 04:49:47,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687414639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:47,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:47,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:47,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849103508] [2021-12-17 04:49:47,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:47,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:47,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:47,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:47,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:47,806 INFO L87 Difference]: Start difference. First operand 17135 states and 17981 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 04:49:48,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:48,807 INFO L93 Difference]: Finished difference Result 37553 states and 39501 transitions. [2021-12-17 04:49:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:48,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 821 [2021-12-17 04:49:48,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:48,830 INFO L225 Difference]: With dead ends: 37553 [2021-12-17 04:49:48,830 INFO L226 Difference]: Without dead ends: 20719 [2021-12-17 04:49:48,842 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 04:49:48,843 INFO L933 BasicCegarLoop]: 465 mSDtfsCounter, 315 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:48,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 504 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:49:48,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20719 states. [2021-12-17 04:49:48,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20719 to 18323. [2021-12-17 04:49:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18323 states, 18322 states have (on average 1.0462285776661937) internal successors, (19169), 18322 states have internal predecessors, (19169), 0 states have call successors, (0), 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 04:49:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18323 states to 18323 states and 19169 transitions. [2021-12-17 04:49:49,027 INFO L78 Accepts]: Start accepts. Automaton has 18323 states and 19169 transitions. Word has length 821 [2021-12-17 04:49:49,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:49,027 INFO L470 AbstractCegarLoop]: Abstraction has 18323 states and 19169 transitions. [2021-12-17 04:49:49,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 04:49:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 18323 states and 19169 transitions. [2021-12-17 04:49:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2021-12-17 04:49:49,046 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:49,046 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:49:49,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 04:49:49,047 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:49,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:49,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1504524939, now seen corresponding path program 1 times [2021-12-17 04:49:49,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:49,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043300246] [2021-12-17 04:49:49,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:49,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 587 proven. 269 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-12-17 04:49:49,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:49,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043300246] [2021-12-17 04:49:49,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043300246] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:49:49,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342107367] [2021-12-17 04:49:49,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:49,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:49,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:49,368 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 04:49:49,372 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 04:49:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:49,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 04:49:49,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:49:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2021-12-17 04:49:50,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:49:50,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342107367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:50,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:49:50,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:49:50,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925441170] [2021-12-17 04:49:50,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:50,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:50,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:50,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:50,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:49:50,596 INFO L87 Difference]: Start difference. First operand 18323 states and 19169 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 04:49:51,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:51,520 INFO L93 Difference]: Finished difference Result 41448 states and 43313 transitions. [2021-12-17 04:49:51,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:51,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 842 [2021-12-17 04:49:51,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:51,542 INFO L225 Difference]: With dead ends: 41448 [2021-12-17 04:49:51,542 INFO L226 Difference]: Without dead ends: 23426 [2021-12-17 04:49:51,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 845 GetRequests, 841 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:49:51,555 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 298 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:51,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 499 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:49:51,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23426 states. [2021-12-17 04:49:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23426 to 21923. [2021-12-17 04:49:51,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21923 states, 21922 states have (on average 1.044156555058845) internal successors, (22890), 21922 states have internal predecessors, (22890), 0 states have call successors, (0), 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 04:49:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21923 states to 21923 states and 22890 transitions. [2021-12-17 04:49:51,731 INFO L78 Accepts]: Start accepts. Automaton has 21923 states and 22890 transitions. Word has length 842 [2021-12-17 04:49:51,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:51,732 INFO L470 AbstractCegarLoop]: Abstraction has 21923 states and 22890 transitions. [2021-12-17 04:49:51,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 04:49:51,733 INFO L276 IsEmpty]: Start isEmpty. Operand 21923 states and 22890 transitions. [2021-12-17 04:49:51,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2021-12-17 04:49:51,747 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:51,748 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:49:51,781 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 04:49:51,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-17 04:49:51,966 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:51,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:51,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1397744587, now seen corresponding path program 1 times [2021-12-17 04:49:51,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:51,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846137019] [2021-12-17 04:49:51,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:51,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2021-12-17 04:49:52,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:52,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846137019] [2021-12-17 04:49:52,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846137019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:49:52,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:49:52,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:49:52,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159247544] [2021-12-17 04:49:52,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:49:52,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:49:52,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:49:52,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:49:52,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:49:52,309 INFO L87 Difference]: Start difference. First operand 21923 states and 22890 transitions. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 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 04:49:53,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:49:53,234 INFO L93 Difference]: Finished difference Result 47150 states and 49195 transitions. [2021-12-17 04:49:53,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:49:53,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 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 875 [2021-12-17 04:49:53,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:49:53,260 INFO L225 Difference]: With dead ends: 47150 [2021-12-17 04:49:53,260 INFO L226 Difference]: Without dead ends: 25229 [2021-12-17 04:49:53,273 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 04:49:53,273 INFO L933 BasicCegarLoop]: 465 mSDtfsCounter, 146 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:49:53,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 494 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:49:53,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25229 states. [2021-12-17 04:49:53,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25229 to 21620. [2021-12-17 04:49:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21620 states, 21619 states have (on average 1.044174106110366) internal successors, (22574), 21619 states have internal predecessors, (22574), 0 states have call successors, (0), 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 04:49:53,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21620 states to 21620 states and 22574 transitions. [2021-12-17 04:49:53,448 INFO L78 Accepts]: Start accepts. Automaton has 21620 states and 22574 transitions. Word has length 875 [2021-12-17 04:49:53,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:49:53,448 INFO L470 AbstractCegarLoop]: Abstraction has 21620 states and 22574 transitions. [2021-12-17 04:49:53,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 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 04:49:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 21620 states and 22574 transitions. [2021-12-17 04:49:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2021-12-17 04:49:53,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:49:53,463 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:49:53,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 04:49:53,463 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:49:53,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:49:53,464 INFO L85 PathProgramCache]: Analyzing trace with hash -547488288, now seen corresponding path program 1 times [2021-12-17 04:49:53,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:49:53,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354681375] [2021-12-17 04:49:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:53,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:49:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 661 proven. 269 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-12-17 04:49:53,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:49:53,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354681375] [2021-12-17 04:49:53,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354681375] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:49:53,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48364370] [2021-12-17 04:49:53,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:49:53,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:49:53,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:49:53,802 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 04:49:53,803 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 04:49:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:49:53,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:49:53,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:50:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-12-17 04:50:10,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:50:10,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48364370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:50:10,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:50:10,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:50:10,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91669423] [2021-12-17 04:50:10,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:50:10,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:50:10,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:50:10,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:50:10,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:50:10,184 INFO L87 Difference]: Start difference. First operand 21620 states and 22574 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 04:50:10,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:50:10,220 INFO L93 Difference]: Finished difference Result 21656 states and 22610 transitions. [2021-12-17 04:50:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:50:10,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 879 [2021-12-17 04:50:10,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:50:10,238 INFO L225 Difference]: With dead ends: 21656 [2021-12-17 04:50:10,238 INFO L226 Difference]: Without dead ends: 21654 [2021-12-17 04:50:10,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 845 SyntacticMatches, 33 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:50:10,242 INFO L933 BasicCegarLoop]: 489 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 479 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:50:10,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 526 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 479 Unchecked, 0.0s Time] [2021-12-17 04:50:10,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21654 states. [2021-12-17 04:50:10,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21654 to 21654. [2021-12-17 04:50:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21654 states, 21653 states have (on average 1.0441047429917332) internal successors, (22608), 21653 states have internal predecessors, (22608), 0 states have call successors, (0), 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 04:50:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21654 states to 21654 states and 22608 transitions. [2021-12-17 04:50:10,399 INFO L78 Accepts]: Start accepts. Automaton has 21654 states and 22608 transitions. Word has length 879 [2021-12-17 04:50:10,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:50:10,399 INFO L470 AbstractCegarLoop]: Abstraction has 21654 states and 22608 transitions. [2021-12-17 04:50:10,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 04:50:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 21654 states and 22608 transitions. [2021-12-17 04:50:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2021-12-17 04:50:10,414 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:50:10,414 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:10,431 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 04:50:10,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:50:10,632 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:50:10,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:50:10,632 INFO L85 PathProgramCache]: Analyzing trace with hash -605370242, now seen corresponding path program 1 times [2021-12-17 04:50:10,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:50:10,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324676990] [2021-12-17 04:50:10,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:50:10,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:50:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:50:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 1206 proven. 90 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-12-17 04:50:10,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:50:10,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324676990] [2021-12-17 04:50:10,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324676990] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:50:10,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858147395] [2021-12-17 04:50:10,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:50:10,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:50:10,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:50:10,900 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 04:50:10,910 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 04:50:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:50:11,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 04:50:11,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:50:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 1088 proven. 374 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-12-17 04:50:12,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:50:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 808 proven. 0 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2021-12-17 04:50:13,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858147395] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:50:13,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:50:13,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 6] total 10 [2021-12-17 04:50:13,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458905640] [2021-12-17 04:50:13,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:50:13,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:50:13,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:50:13,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:50:13,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:50:13,506 INFO L87 Difference]: Start difference. First operand 21654 states and 22608 transitions. Second operand has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 0 states have call successors, (0), 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 04:50:14,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:50:14,702 INFO L93 Difference]: Finished difference Result 45708 states and 47720 transitions. [2021-12-17 04:50:14,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:50:14,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 0 states have call successors, (0), 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 1000 [2021-12-17 04:50:14,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:50:14,704 INFO L225 Difference]: With dead ends: 45708 [2021-12-17 04:50:14,704 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:50:14,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2005 GetRequests, 1997 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:50:14,718 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 639 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:50:14,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [639 Valid, 53 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:50:14,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:50:14,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:50:14,719 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 04:50:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:50:14,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1000 [2021-12-17 04:50:14,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:50:14,719 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:50:14,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 0 states have call successors, (0), 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 04:50:14,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:50:14,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:50:14,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:50:14,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-17 04:50:14,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:50:14,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:50:18,872 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,873 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,874 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,875 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,876 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-17 04:50:18,877 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,878 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-17 04:50:18,879 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,881 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-17 04:50:18,882 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,883 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-12-17 04:50:18,884 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,885 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,886 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-17 04:50:18,886 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-17 04:50:18,886 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-12-17 04:50:18,886 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-12-17 04:50:18,886 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,886 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,886 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,886 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse11 (+ ~a4~0 86))) (let ((.cse4 (< 0 .cse11)) (.cse6 (< 0 (+ ~a29~0 144))) (.cse10 (= ~a2~0 4)) (.cse8 (<= (+ ~a4~0 89) 0)) (.cse1 (= ~a2~0 3)) (.cse0 (<= (+ ~a0~0 61) 0)) (.cse3 (<= 2 ~a2~0)) (.cse9 (<= ~a2~0 2)) (.cse2 (< 0 (+ ~a29~0 600272))) (.cse5 (= ~a2~0 1)) (.cse7 (<= ~a29~0 401234))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 (<= (+ ~a0~0 99) 0) .cse2) (and .cse0 .cse5 .cse2) (and .cse3 .cse6) (and .cse6 .cse4 .cse5 .cse7) (and .cse3 .cse8 (<= (+ ~a0~0 147) 0)) (and .cse3 .cse4 .cse9 .cse2) (and .cse10 .cse0 .cse2) (and .cse6 .cse8 .cse5 .cse7) (and .cse10 .cse8 .cse2) (and .cse0 .cse8 .cse1) (and .cse10 .cse0 .cse8) (and .cse3 .cse9 .cse0 .cse8) (and .cse3 .cse0 .cse8 (<= 0 (+ ~a0~0 97))) (and .cse8 .cse1 .cse2) (and .cse0 .cse5 (<= .cse11 0)) (and .cse3 .cse9 (<= 0 (+ ~a0~0 60)) .cse2) (and .cse5 .cse7 (<= 8 ~a29~0))))) [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,887 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,888 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,889 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse7 (+ ~a4~0 86)) (.cse6 (+ ~a29~0 144))) (let ((.cse8 (< 0 .cse6)) (.cse4 (< 0 .cse7)) (.cse12 (= ~a2~0 4)) (.cse0 (<= (+ ~a0~0 61) 0)) (.cse1 (= ~a2~0 3)) (.cse10 (<= (+ ~a4~0 89) 0)) (.cse3 (<= 2 ~a2~0)) (.cse11 (<= ~a2~0 2)) (.cse2 (< 0 (+ ~a29~0 600272))) (.cse5 (= ~a2~0 1)) (.cse9 (<= ~a29~0 401234))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 (<= (+ ~a0~0 99) 0) .cse2) (and .cse0 .cse5 .cse2) (and .cse5 (<= .cse6 0) (<= .cse7 0)) (and .cse3 .cse8) (and .cse8 .cse4 .cse5 .cse9) (and .cse3 .cse10 (<= (+ ~a0~0 147) 0)) (and .cse3 .cse4 .cse11 .cse2) (and .cse12 .cse0 .cse2) (and .cse12 .cse10 .cse2) (and .cse0 .cse10 .cse1) (and .cse12 .cse0 .cse10) (and .cse3 .cse11 .cse0 .cse10) (and .cse3 .cse0 .cse10 (<= 0 (+ ~a0~0 97))) (and .cse10 .cse1 .cse2) (and .cse10 .cse5 .cse9) (and .cse3 .cse11 (<= 0 (+ ~a0~0 60)) .cse2) (and .cse5 .cse9 (<= 8 ~a29~0))))) [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,890 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,891 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,892 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,893 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-17 04:50:18,894 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-17 04:50:18,895 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse7 (+ ~a4~0 86)) (.cse6 (+ ~a29~0 144))) (let ((.cse8 (< 0 .cse6)) (.cse4 (< 0 .cse7)) (.cse12 (= ~a2~0 4)) (.cse0 (<= (+ ~a0~0 61) 0)) (.cse1 (= ~a2~0 3)) (.cse10 (<= (+ ~a4~0 89) 0)) (.cse3 (<= 2 ~a2~0)) (.cse11 (<= ~a2~0 2)) (.cse2 (< 0 (+ ~a29~0 600272))) (.cse5 (= ~a2~0 1)) (.cse9 (<= ~a29~0 401234))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 (<= (+ ~a0~0 99) 0) .cse2) (and .cse0 .cse5 .cse2) (and .cse5 (<= .cse6 0) (<= .cse7 0)) (and .cse3 .cse8) (and .cse8 .cse4 .cse5 .cse9) (and .cse3 .cse10 (<= (+ ~a0~0 147) 0)) (and .cse3 .cse4 .cse11 .cse2) (and .cse12 .cse0 .cse2) (and .cse12 .cse10 .cse2) (and .cse0 .cse10 .cse1) (and .cse12 .cse0 .cse10) (and .cse3 .cse11 .cse0 .cse10) (and .cse3 .cse0 .cse10 (<= 0 (+ ~a0~0 97))) (and .cse10 .cse1 .cse2) (and .cse10 .cse5 .cse9) (and .cse3 .cse11 (<= 0 (+ ~a0~0 60)) .cse2) (and .cse5 .cse9 (<= 8 ~a29~0))))) [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,896 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-12-17 04:50:18,897 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,898 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,899 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,900 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,901 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-17 04:50:18,902 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,902 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-12-17 04:50:18,902 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,902 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-17 04:50:18,902 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-12-17 04:50:18,904 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:50:18,905 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:50:18,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:50:18 BoogieIcfgContainer [2021-12-17 04:50:18,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:50:18,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:50:18,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:50:18,921 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:50:18,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:49:15" (3/4) ... [2021-12-17 04:50:18,924 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:50:18,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-17 04:50:18,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:50:18,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:50:18,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:50:19,052 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:50:19,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:50:19,053 INFO L158 Benchmark]: Toolchain (without parser) took 66295.98ms. Allocated memory was 111.1MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 80.1MB in the beginning and 541.3MB in the end (delta: -461.2MB). Peak memory consumption was 551.7MB. Max. memory is 16.1GB. [2021-12-17 04:50:19,053 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:50:19,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.07ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 79.8MB in the beginning and 75.5MB in the end (delta: 4.3MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-12-17 04:50:19,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.18ms. Allocated memory is still 134.2MB. Free memory was 75.5MB in the beginning and 74.3MB in the end (delta: 1.2MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-12-17 04:50:19,054 INFO L158 Benchmark]: Boogie Preprocessor took 158.07ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 55.7MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-17 04:50:19,054 INFO L158 Benchmark]: RCFGBuilder took 1878.83ms. Allocated memory was 134.2MB in the beginning and 268.4MB in the end (delta: 134.2MB). Free memory was 55.7MB in the beginning and 165.5MB in the end (delta: -109.8MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2021-12-17 04:50:19,054 INFO L158 Benchmark]: TraceAbstraction took 63272.22ms. Allocated memory was 268.4MB in the beginning and 1.1GB in the end (delta: 855.6MB). Free memory was 165.5MB in the beginning and 583.7MB in the end (delta: -418.2MB). Peak memory consumption was 706.9MB. Max. memory is 16.1GB. [2021-12-17 04:50:19,056 INFO L158 Benchmark]: Witness Printer took 131.72ms. Allocated memory is still 1.1GB. Free memory was 583.7MB in the beginning and 541.3MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-17 04:50:19,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.07ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 79.8MB in the beginning and 75.5MB in the end (delta: 4.3MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.18ms. Allocated memory is still 134.2MB. Free memory was 75.5MB in the beginning and 74.3MB in the end (delta: 1.2MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.07ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 55.7MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1878.83ms. Allocated memory was 134.2MB in the beginning and 268.4MB in the end (delta: 134.2MB). Free memory was 55.7MB in the beginning and 165.5MB in the end (delta: -109.8MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * TraceAbstraction took 63272.22ms. Allocated memory was 268.4MB in the beginning and 1.1GB in the end (delta: 855.6MB). Free memory was 165.5MB in the beginning and 583.7MB in the end (delta: -418.2MB). Peak memory consumption was 706.9MB. Max. memory is 16.1GB. * Witness Printer took 131.72ms. Allocated memory is still 1.1GB. Free memory was 583.7MB in the beginning and 541.3MB in the end (delta: 42.4MB). 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: 125]: 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: 63.2s, OverallIterations: 20, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 26.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7430 SdHoareTripleChecker+Valid, 24.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7430 mSDsluCounter, 8391 SdHoareTripleChecker+Invalid, 20.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 479 IncrementalHoareTripleChecker+Unchecked, 807 mSDsCounter, 3861 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21416 IncrementalHoareTripleChecker+Invalid, 25756 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3861 mSolverCounterUnsat, 7584 mSDtfsCounter, 21416 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6473 GetRequests, 6384 SyntacticMatches, 33 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21923occurred in iteration=17, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 16220 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 321 NumberOfFragments, 798 HoareAnnotationTreeSize, 4 FomulaSimplifications, 4338 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 18861 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 26.6s InterpolantComputationTime, 15744 NumberOfCodeBlocks, 15744 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 17315 ConstructedInterpolants, 34 QuantifiedInterpolants, 71242 SizeOfPredicates, 6 NumberOfNonLiveVariables, 5835 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 29 InterpolantComputations, 19 PerfectInterpolantSequences, 19271/20777 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: ((((((((((((((((((a0 + 61 <= 0 && a2 == 3) && 0 < a29 + 600272) || (((2 <= a2 && 0 < a4 + 86) && a0 + 99 <= 0) && 0 < a29 + 600272)) || ((a0 + 61 <= 0 && a2 == 1) && 0 < a29 + 600272)) || (2 <= a2 && 0 < a29 + 144)) || (((0 < a29 + 144 && 0 < a4 + 86) && a2 == 1) && a29 <= 401234)) || ((2 <= a2 && a4 + 89 <= 0) && a0 + 147 <= 0)) || (((2 <= a2 && 0 < a4 + 86) && a2 <= 2) && 0 < a29 + 600272)) || ((a2 == 4 && a0 + 61 <= 0) && 0 < a29 + 600272)) || (((0 < a29 + 144 && a4 + 89 <= 0) && a2 == 1) && a29 <= 401234)) || ((a2 == 4 && a4 + 89 <= 0) && 0 < a29 + 600272)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 3)) || ((a2 == 4 && a0 + 61 <= 0) && a4 + 89 <= 0)) || (((2 <= a2 && a2 <= 2) && a0 + 61 <= 0) && a4 + 89 <= 0)) || (((2 <= a2 && a0 + 61 <= 0) && a4 + 89 <= 0) && 0 <= a0 + 97)) || ((a4 + 89 <= 0 && a2 == 3) && 0 < a29 + 600272)) || ((a0 + 61 <= 0 && a2 == 1) && a4 + 86 <= 0)) || (((2 <= a2 && a2 <= 2) && 0 <= a0 + 60) && 0 < a29 + 600272)) || ((a2 == 1 && a29 <= 401234) && 8 <= a29) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((a0 + 61 <= 0 && a2 == 3) && 0 < a29 + 600272) || (((2 <= a2 && 0 < a4 + 86) && a0 + 99 <= 0) && 0 < a29 + 600272)) || ((a0 + 61 <= 0 && a2 == 1) && 0 < a29 + 600272)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || (2 <= a2 && 0 < a29 + 144)) || (((0 < a29 + 144 && 0 < a4 + 86) && a2 == 1) && a29 <= 401234)) || ((2 <= a2 && a4 + 89 <= 0) && a0 + 147 <= 0)) || (((2 <= a2 && 0 < a4 + 86) && a2 <= 2) && 0 < a29 + 600272)) || ((a2 == 4 && a0 + 61 <= 0) && 0 < a29 + 600272)) || ((a2 == 4 && a4 + 89 <= 0) && 0 < a29 + 600272)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 3)) || ((a2 == 4 && a0 + 61 <= 0) && a4 + 89 <= 0)) || (((2 <= a2 && a2 <= 2) && a0 + 61 <= 0) && a4 + 89 <= 0)) || (((2 <= a2 && a0 + 61 <= 0) && a4 + 89 <= 0) && 0 <= a0 + 97)) || ((a4 + 89 <= 0 && a2 == 3) && 0 < a29 + 600272)) || ((a4 + 89 <= 0 && a2 == 1) && a29 <= 401234)) || (((2 <= a2 && a2 <= 2) && 0 <= a0 + 60) && 0 < a29 + 600272)) || ((a2 == 1 && a29 <= 401234) && 8 <= a29) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((a0 + 61 <= 0 && a2 == 3) && 0 < a29 + 600272) || (((2 <= a2 && 0 < a4 + 86) && a0 + 99 <= 0) && 0 < a29 + 600272)) || ((a0 + 61 <= 0 && a2 == 1) && 0 < a29 + 600272)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || (2 <= a2 && 0 < a29 + 144)) || (((0 < a29 + 144 && 0 < a4 + 86) && a2 == 1) && a29 <= 401234)) || ((2 <= a2 && a4 + 89 <= 0) && a0 + 147 <= 0)) || (((2 <= a2 && 0 < a4 + 86) && a2 <= 2) && 0 < a29 + 600272)) || ((a2 == 4 && a0 + 61 <= 0) && 0 < a29 + 600272)) || ((a2 == 4 && a4 + 89 <= 0) && 0 < a29 + 600272)) || ((a0 + 61 <= 0 && a4 + 89 <= 0) && a2 == 3)) || ((a2 == 4 && a0 + 61 <= 0) && a4 + 89 <= 0)) || (((2 <= a2 && a2 <= 2) && a0 + 61 <= 0) && a4 + 89 <= 0)) || (((2 <= a2 && a0 + 61 <= 0) && a4 + 89 <= 0) && 0 <= a0 + 97)) || ((a4 + 89 <= 0 && a2 == 3) && 0 < a29 + 600272)) || ((a4 + 89 <= 0 && a2 == 1) && a29 <= 401234)) || (((2 <= a2 && a2 <= 2) && 0 <= a0 + 60) && 0 < a29 + 600272)) || ((a2 == 1 && a29 <= 401234) && 8 <= a29) RESULT: Ultimate proved your program to be correct! [2021-12-17 04:50:19,094 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