./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label06.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 e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 09:12:51,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 09:12:51,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 09:12:51,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 09:12:51,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 09:12:51,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 09:12:51,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 09:12:51,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 09:12:51,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 09:12:51,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 09:12:51,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 09:12:51,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 09:12:51,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 09:12:51,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 09:12:51,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 09:12:51,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 09:12:51,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 09:12:51,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 09:12:51,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 09:12:51,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 09:12:51,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 09:12:51,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 09:12:51,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 09:12:51,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 09:12:51,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 09:12:51,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 09:12:51,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 09:12:51,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 09:12:51,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 09:12:51,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 09:12:51,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 09:12:51,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 09:12:51,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 09:12:51,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 09:12:51,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 09:12:51,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 09:12:51,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 09:12:51,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 09:12:51,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 09:12:51,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 09:12:51,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 09:12:51,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 09:12:51,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 09:12:51,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 09:12:51,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 09:12:51,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 09:12:51,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 09:12:51,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 09:12:51,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 09:12:51,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 09:12:51,979 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 09:12:51,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 09:12:51,979 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 09:12:51,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 09:12:51,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 09:12:51,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 09:12:51,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 09:12:51,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 09:12:51,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 09:12:51,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 09:12:51,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 09:12:51,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 09:12:51,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 09:12:51,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 09:12:51,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 09:12:51,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 09:12:51,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 09:12:51,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 09:12:51,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 09:12:51,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 09:12:51,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 09:12:51,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 09:12:51,986 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 09:12:51,987 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 09:12:51,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 09:12:51,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 09:12:51,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d [2021-12-22 09:12:52,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 09:12:52,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 09:12:52,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 09:12:52,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 09:12:52,264 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 09:12:52,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2021-12-22 09:12:52,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/686ac9ffa/d1c2bd384dc84c8dbb8b1d17f55f438f/FLAGc671c91bf [2021-12-22 09:12:52,812 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 09:12:52,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2021-12-22 09:12:52,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/686ac9ffa/d1c2bd384dc84c8dbb8b1d17f55f438f/FLAGc671c91bf [2021-12-22 09:12:53,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/686ac9ffa/d1c2bd384dc84c8dbb8b1d17f55f438f [2021-12-22 09:12:53,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 09:12:53,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 09:12:53,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 09:12:53,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 09:12:53,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 09:12:53,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:53,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f46fc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53, skipping insertion in model container [2021-12-22 09:12:53,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:53,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 09:12:53,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 09:12:53,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label06.c[9087,9100] [2021-12-22 09:12:53,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 09:12:53,646 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 09:12:53,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label06.c[9087,9100] [2021-12-22 09:12:53,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 09:12:53,789 INFO L208 MainTranslator]: Completed translation [2021-12-22 09:12:53,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53 WrapperNode [2021-12-22 09:12:53,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 09:12:53,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 09:12:53,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 09:12:53,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 09:12:53,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:53,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:53,932 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-22 09:12:53,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 09:12:53,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 09:12:53,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 09:12:53,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 09:12:53,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:53,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:53,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:53,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:53,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:54,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:54,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:54,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 09:12:54,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 09:12:54,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 09:12:54,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 09:12:54,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (1/1) ... [2021-12-22 09:12:54,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 09:12:54,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 09:12:54,106 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) [2021-12-22 09:12:54,119 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 [2021-12-22 09:12:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 09:12:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 09:12:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 09:12:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 09:12:54,198 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 09:12:54,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 09:12:55,555 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 09:12:55,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 09:12:55,572 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 09:12:55,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:12:55 BoogieIcfgContainer [2021-12-22 09:12:55,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 09:12:55,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 09:12:55,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 09:12:55,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 09:12:55,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 09:12:53" (1/3) ... [2021-12-22 09:12:55,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c20110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:12:55, skipping insertion in model container [2021-12-22 09:12:55,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:12:53" (2/3) ... [2021-12-22 09:12:55,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c20110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:12:55, skipping insertion in model container [2021-12-22 09:12:55,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:12:55" (3/3) ... [2021-12-22 09:12:55,584 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2021-12-22 09:12:55,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 09:12:55,593 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 09:12:55,646 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 09:12:55,655 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 [2021-12-22 09:12:55,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 09:12:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:55,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-22 09:12:55,685 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:55,686 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:12:55,686 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:55,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:55,691 INFO L85 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-12-22 09:12:55,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:55,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118631273] [2021-12-22 09:12:55,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:55,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:12:55,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:55,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118631273] [2021-12-22 09:12:55,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118631273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:55,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:55,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:12:55,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574977704] [2021-12-22 09:12:55,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:55,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:55,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:56,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:56,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:56,021 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:57,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:57,100 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-22 09:12:57,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:57,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-12-22 09:12:57,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:57,115 INFO L225 Difference]: With dead ends: 761 [2021-12-22 09:12:57,115 INFO L226 Difference]: Without dead ends: 413 [2021-12-22 09:12:57,124 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 [2021-12-22 09:12:57,127 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 165 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:57,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-22 09:12:57,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-22 09:12:57,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-22 09:12:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-22 09:12:57,182 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 63 [2021-12-22 09:12:57,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:57,182 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-22 09:12:57,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-22 09:12:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-22 09:12:57,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:57,187 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:12:57,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 09:12:57,188 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:57,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:57,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1774038808, now seen corresponding path program 1 times [2021-12-22 09:12:57,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:57,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109641654] [2021-12-22 09:12:57,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:57,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:12:57,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:57,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109641654] [2021-12-22 09:12:57,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109641654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:57,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:57,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:12:57,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986810910] [2021-12-22 09:12:57,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:57,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:57,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:57,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:57,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:57,307 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:58,053 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-22 09:12:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:58,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2021-12-22 09:12:58,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:58,058 INFO L225 Difference]: With dead ends: 1211 [2021-12-22 09:12:58,058 INFO L226 Difference]: Without dead ends: 800 [2021-12-22 09:12:58,059 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 [2021-12-22 09:12:58,060 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:58,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:12:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-22 09:12:58,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-22 09:12:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-22 09:12:58,087 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 131 [2021-12-22 09:12:58,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:58,089 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-22 09:12:58,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-22 09:12:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-22 09:12:58,093 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:58,093 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:12:58,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 09:12:58,095 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:58,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:58,095 INFO L85 PathProgramCache]: Analyzing trace with hash -977289123, now seen corresponding path program 1 times [2021-12-22 09:12:58,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:58,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515436123] [2021-12-22 09:12:58,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:58,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:12:58,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:58,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515436123] [2021-12-22 09:12:58,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515436123] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:58,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:58,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:12:58,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411975710] [2021-12-22 09:12:58,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:58,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:58,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:58,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:58,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:58,250 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:58,929 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-12-22 09:12:58,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:58,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-12-22 09:12:58,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:58,934 INFO L225 Difference]: With dead ends: 1945 [2021-12-22 09:12:58,934 INFO L226 Difference]: Without dead ends: 1158 [2021-12-22 09:12:58,935 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 [2021-12-22 09:12:58,936 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:58,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:12:58,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-12-22 09:12:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-12-22 09:12:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-12-22 09:12:58,957 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 133 [2021-12-22 09:12:58,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:58,958 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-12-22 09:12:58,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-12-22 09:12:58,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-22 09:12:58,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:58,962 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:12:58,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 09:12:58,962 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:58,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:58,963 INFO L85 PathProgramCache]: Analyzing trace with hash -873825219, now seen corresponding path program 1 times [2021-12-22 09:12:58,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:58,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767318769] [2021-12-22 09:12:58,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:58,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:12:59,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:59,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767318769] [2021-12-22 09:12:59,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767318769] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:59,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:59,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:59,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990000461] [2021-12-22 09:12:59,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:59,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:59,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:59,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:59,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:59,103 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:59,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:12:59,776 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-12-22 09:12:59,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:12:59,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 190 [2021-12-22 09:12:59,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:12:59,785 INFO L225 Difference]: With dead ends: 2519 [2021-12-22 09:12:59,785 INFO L226 Difference]: Without dead ends: 1548 [2021-12-22 09:12:59,788 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 [2021-12-22 09:12:59,798 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 172 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:12:59,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:12:59,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-12-22 09:12:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-12-22 09:12:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-12-22 09:12:59,827 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 190 [2021-12-22 09:12:59,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:12:59,828 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-12-22 09:12:59,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:12:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-12-22 09:12:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-22 09:12:59,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:12:59,836 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:12:59,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 09:12:59,836 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:12:59,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:12:59,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2127494464, now seen corresponding path program 1 times [2021-12-22 09:12:59,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:12:59,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498385083] [2021-12-22 09:12:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:12:59,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:12:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:12:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-22 09:12:59,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:12:59,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498385083] [2021-12-22 09:12:59,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498385083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:12:59,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:12:59,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:12:59,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932341142] [2021-12-22 09:12:59,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:12:59,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:12:59,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:12:59,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:12:59,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:12:59,971 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:00,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:00,721 INFO L93 Difference]: Finished difference Result 4009 states and 5316 transitions. [2021-12-22 09:13:00,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:00,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 245 [2021-12-22 09:13:00,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:00,730 INFO L225 Difference]: With dead ends: 4009 [2021-12-22 09:13:00,730 INFO L226 Difference]: Without dead ends: 2650 [2021-12-22 09:13:00,732 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 [2021-12-22 09:13:00,737 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 144 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:00,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 347 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:13:00,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2021-12-22 09:13:00,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2650. [2021-12-22 09:13:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2649 states have (on average 1.2431106077765195) internal successors, (3293), 2649 states have internal predecessors, (3293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3293 transitions. [2021-12-22 09:13:00,787 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3293 transitions. Word has length 245 [2021-12-22 09:13:00,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:00,790 INFO L470 AbstractCegarLoop]: Abstraction has 2650 states and 3293 transitions. [2021-12-22 09:13:00,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3293 transitions. [2021-12-22 09:13:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-22 09:13:00,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:00,797 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:00,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 09:13:00,799 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:00,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:00,800 INFO L85 PathProgramCache]: Analyzing trace with hash -468248497, now seen corresponding path program 1 times [2021-12-22 09:13:00,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:00,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151041032] [2021-12-22 09:13:00,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:00,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 25 proven. 96 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-22 09:13:01,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:01,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151041032] [2021-12-22 09:13:01,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151041032] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 09:13:01,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522884250] [2021-12-22 09:13:01,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:01,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 09:13:01,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 09:13:01,012 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) [2021-12-22 09:13:01,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 09:13:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:01,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 09:13:01,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 09:13:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-22 09:13:01,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 09:13:01,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522884250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:01,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 09:13:01,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-22 09:13:01,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624557960] [2021-12-22 09:13:01,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:01,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:01,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:01,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:01,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 09:13:01,702 INFO L87 Difference]: Start difference. First operand 2650 states and 3293 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:02,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:02,481 INFO L93 Difference]: Finished difference Result 6228 states and 7865 transitions. [2021-12-22 09:13:02,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:02,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 251 [2021-12-22 09:13:02,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:02,495 INFO L225 Difference]: With dead ends: 6228 [2021-12-22 09:13:02,495 INFO L226 Difference]: Without dead ends: 3764 [2021-12-22 09:13:02,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 09:13:02,499 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 133 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:02,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 384 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:13:02,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2021-12-22 09:13:02,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3755. [2021-12-22 09:13:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3754 states have (on average 1.2192328183271177) internal successors, (4577), 3754 states have internal predecessors, (4577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 4577 transitions. [2021-12-22 09:13:02,602 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 4577 transitions. Word has length 251 [2021-12-22 09:13:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:02,603 INFO L470 AbstractCegarLoop]: Abstraction has 3755 states and 4577 transitions. [2021-12-22 09:13:02,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4577 transitions. [2021-12-22 09:13:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-22 09:13:02,609 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:02,610 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:02,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 09:13:02,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-22 09:13:02,836 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:02,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:02,836 INFO L85 PathProgramCache]: Analyzing trace with hash 496121255, now seen corresponding path program 1 times [2021-12-22 09:13:02,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:02,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604038294] [2021-12-22 09:13:02,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:02,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-22 09:13:02,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:02,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604038294] [2021-12-22 09:13:02,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604038294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:02,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:02,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:02,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781252329] [2021-12-22 09:13:02,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:02,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:02,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:02,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:02,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:02,951 INFO L87 Difference]: Start difference. First operand 3755 states and 4577 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:03,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:03,677 INFO L93 Difference]: Finished difference Result 8442 states and 10451 transitions. [2021-12-22 09:13:03,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:03,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2021-12-22 09:13:03,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:03,695 INFO L225 Difference]: With dead ends: 8442 [2021-12-22 09:13:03,695 INFO L226 Difference]: Without dead ends: 4873 [2021-12-22 09:13:03,702 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 [2021-12-22 09:13:03,703 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:03,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 344 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:13:03,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4873 states. [2021-12-22 09:13:03,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4873 to 4676. [2021-12-22 09:13:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4676 states, 4675 states have (on average 1.2094117647058824) internal successors, (5654), 4675 states have internal predecessors, (5654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4676 states to 4676 states and 5654 transitions. [2021-12-22 09:13:03,809 INFO L78 Accepts]: Start accepts. Automaton has 4676 states and 5654 transitions. Word has length 322 [2021-12-22 09:13:03,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:03,809 INFO L470 AbstractCegarLoop]: Abstraction has 4676 states and 5654 transitions. [2021-12-22 09:13:03,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states and 5654 transitions. [2021-12-22 09:13:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-12-22 09:13:03,818 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:03,818 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:03,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 09:13:03,819 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:03,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:03,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1494112082, now seen corresponding path program 1 times [2021-12-22 09:13:03,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:03,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562490825] [2021-12-22 09:13:03,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:03,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-22 09:13:03,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:03,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562490825] [2021-12-22 09:13:03,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562490825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:03,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:03,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:03,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195647394] [2021-12-22 09:13:03,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:03,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:03,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:03,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:03,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:03,945 INFO L87 Difference]: Start difference. First operand 4676 states and 5654 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:04,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:04,609 INFO L93 Difference]: Finished difference Result 9326 states and 11272 transitions. [2021-12-22 09:13:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:04,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 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 325 [2021-12-22 09:13:04,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:04,625 INFO L225 Difference]: With dead ends: 9326 [2021-12-22 09:13:04,625 INFO L226 Difference]: Without dead ends: 4652 [2021-12-22 09:13:04,629 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 [2021-12-22 09:13:04,630 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 159 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:04,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 150 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4652 states. [2021-12-22 09:13:04,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 4651. [2021-12-22 09:13:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4651 states, 4650 states have (on average 1.15247311827957) internal successors, (5359), 4650 states have internal predecessors, (5359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4651 states to 4651 states and 5359 transitions. [2021-12-22 09:13:04,715 INFO L78 Accepts]: Start accepts. Automaton has 4651 states and 5359 transitions. Word has length 325 [2021-12-22 09:13:04,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:04,715 INFO L470 AbstractCegarLoop]: Abstraction has 4651 states and 5359 transitions. [2021-12-22 09:13:04,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 4651 states and 5359 transitions. [2021-12-22 09:13:04,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-12-22 09:13:04,726 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:04,726 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 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] [2021-12-22 09:13:04,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 09:13:04,726 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:04,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:04,727 INFO L85 PathProgramCache]: Analyzing trace with hash -547751050, now seen corresponding path program 1 times [2021-12-22 09:13:04,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:04,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576557391] [2021-12-22 09:13:04,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:04,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:13:04,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:04,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576557391] [2021-12-22 09:13:04,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576557391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:04,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:04,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 09:13:04,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877868042] [2021-12-22 09:13:04,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:04,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 09:13:04,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:04,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 09:13:04,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:04,918 INFO L87 Difference]: Start difference. First operand 4651 states and 5359 transitions. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:06,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:06,103 INFO L93 Difference]: Finished difference Result 12640 states and 14697 transitions. [2021-12-22 09:13:06,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 09:13:06,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 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 388 [2021-12-22 09:13:06,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:06,131 INFO L225 Difference]: With dead ends: 12640 [2021-12-22 09:13:06,132 INFO L226 Difference]: Without dead ends: 7991 [2021-12-22 09:13:06,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:06,140 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 234 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:06,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 159 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-22 09:13:06,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7991 states. [2021-12-22 09:13:06,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7991 to 7435. [2021-12-22 09:13:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7435 states, 7434 states have (on average 1.146758138283562) internal successors, (8525), 7434 states have internal predecessors, (8525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7435 states to 7435 states and 8525 transitions. [2021-12-22 09:13:06,280 INFO L78 Accepts]: Start accepts. Automaton has 7435 states and 8525 transitions. Word has length 388 [2021-12-22 09:13:06,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:06,281 INFO L470 AbstractCegarLoop]: Abstraction has 7435 states and 8525 transitions. [2021-12-22 09:13:06,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 7435 states and 8525 transitions. [2021-12-22 09:13:06,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-22 09:13:06,294 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:06,295 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-22 09:13:06,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 09:13:06,295 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:06,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:06,296 INFO L85 PathProgramCache]: Analyzing trace with hash -467739689, now seen corresponding path program 1 times [2021-12-22 09:13:06,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:06,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46425798] [2021-12-22 09:13:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:06,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-22 09:13:06,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:06,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46425798] [2021-12-22 09:13:06,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46425798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:06,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:06,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:13:06,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121730027] [2021-12-22 09:13:06,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:06,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:06,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:06,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:06,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:06,469 INFO L87 Difference]: Start difference. First operand 7435 states and 8525 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:06,876 INFO L93 Difference]: Finished difference Result 14862 states and 17042 transitions. [2021-12-22 09:13:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:06,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 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 403 [2021-12-22 09:13:06,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:06,892 INFO L225 Difference]: With dead ends: 14862 [2021-12-22 09:13:06,892 INFO L226 Difference]: Without dead ends: 7429 [2021-12-22 09:13:06,900 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 [2021-12-22 09:13:06,901 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:06,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 09:13:06,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7429 states. [2021-12-22 09:13:06,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7429 to 7428. [2021-12-22 09:13:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7428 states, 7427 states have (on average 1.1460885956644675) internal successors, (8512), 7427 states have internal predecessors, (8512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7428 states to 7428 states and 8512 transitions. [2021-12-22 09:13:07,011 INFO L78 Accepts]: Start accepts. Automaton has 7428 states and 8512 transitions. Word has length 403 [2021-12-22 09:13:07,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:07,012 INFO L470 AbstractCegarLoop]: Abstraction has 7428 states and 8512 transitions. [2021-12-22 09:13:07,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 7428 states and 8512 transitions. [2021-12-22 09:13:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-12-22 09:13:07,027 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:07,027 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-22 09:13:07,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 09:13:07,028 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:07,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:07,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1746481750, now seen corresponding path program 1 times [2021-12-22 09:13:07,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:07,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416021960] [2021-12-22 09:13:07,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:07,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-22 09:13:07,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:07,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416021960] [2021-12-22 09:13:07,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416021960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:07,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:07,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:07,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432644201] [2021-12-22 09:13:07,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:07,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:07,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:07,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:07,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:07,229 INFO L87 Difference]: Start difference. First operand 7428 states and 8512 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:07,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:07,920 INFO L93 Difference]: Finished difference Result 16714 states and 19129 transitions. [2021-12-22 09:13:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:07,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 435 [2021-12-22 09:13:07,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:07,938 INFO L225 Difference]: With dead ends: 16714 [2021-12-22 09:13:07,938 INFO L226 Difference]: Without dead ends: 9288 [2021-12-22 09:13:07,948 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 [2021-12-22 09:13:07,949 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:07,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 179 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:07,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9288 states. [2021-12-22 09:13:08,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9288 to 9084. [2021-12-22 09:13:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9084 states, 9083 states have (on average 1.1353077177144115) internal successors, (10312), 9083 states have internal predecessors, (10312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9084 states to 9084 states and 10312 transitions. [2021-12-22 09:13:08,079 INFO L78 Accepts]: Start accepts. Automaton has 9084 states and 10312 transitions. Word has length 435 [2021-12-22 09:13:08,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:08,080 INFO L470 AbstractCegarLoop]: Abstraction has 9084 states and 10312 transitions. [2021-12-22 09:13:08,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:08,081 INFO L276 IsEmpty]: Start isEmpty. Operand 9084 states and 10312 transitions. [2021-12-22 09:13:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-12-22 09:13:08,121 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:08,121 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:08,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 09:13:08,122 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:08,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:08,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1744296818, now seen corresponding path program 1 times [2021-12-22 09:13:08,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:08,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53415341] [2021-12-22 09:13:08,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:08,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-22 09:13:08,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:08,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53415341] [2021-12-22 09:13:08,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53415341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:08,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:08,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:08,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517903408] [2021-12-22 09:13:08,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:08,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:08,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:08,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:08,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:08,284 INFO L87 Difference]: Start difference. First operand 9084 states and 10312 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:09,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:09,001 INFO L93 Difference]: Finished difference Result 20925 states and 23747 transitions. [2021-12-22 09:13:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:09,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 [2021-12-22 09:13:09,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:09,023 INFO L225 Difference]: With dead ends: 20925 [2021-12-22 09:13:09,024 INFO L226 Difference]: Without dead ends: 11107 [2021-12-22 09:13:09,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:09,037 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 65 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:09,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 350 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:09,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11107 states. [2021-12-22 09:13:09,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11107 to 10555. [2021-12-22 09:13:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10555 states, 10554 states have (on average 1.1255448171309457) internal successors, (11879), 10554 states have internal predecessors, (11879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10555 states to 10555 states and 11879 transitions. [2021-12-22 09:13:09,235 INFO L78 Accepts]: Start accepts. Automaton has 10555 states and 11879 transitions. Word has length 487 [2021-12-22 09:13:09,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:09,235 INFO L470 AbstractCegarLoop]: Abstraction has 10555 states and 11879 transitions. [2021-12-22 09:13:09,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 10555 states and 11879 transitions. [2021-12-22 09:13:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-12-22 09:13:09,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:09,254 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:09,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 09:13:09,255 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:09,256 INFO L85 PathProgramCache]: Analyzing trace with hash -192105898, now seen corresponding path program 1 times [2021-12-22 09:13:09,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:09,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859893831] [2021-12-22 09:13:09,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:09,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 621 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-22 09:13:09,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:09,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859893831] [2021-12-22 09:13:09,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859893831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:09,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:09,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:09,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842716065] [2021-12-22 09:13:09,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:09,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:09,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:09,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:09,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:09,419 INFO L87 Difference]: Start difference. First operand 10555 states and 11879 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:10,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:10,168 INFO L93 Difference]: Finished difference Result 24423 states and 27490 transitions. [2021-12-22 09:13:10,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:10,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 527 [2021-12-22 09:13:10,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:10,192 INFO L225 Difference]: With dead ends: 24423 [2021-12-22 09:13:10,192 INFO L226 Difference]: Without dead ends: 13870 [2021-12-22 09:13:10,202 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 [2021-12-22 09:13:10,203 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 125 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:10,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 79 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13870 states. [2021-12-22 09:13:10,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13870 to 13867. [2021-12-22 09:13:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13867 states, 13866 states have (on average 1.117914322803981) internal successors, (15501), 13866 states have internal predecessors, (15501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13867 states to 13867 states and 15501 transitions. [2021-12-22 09:13:10,397 INFO L78 Accepts]: Start accepts. Automaton has 13867 states and 15501 transitions. Word has length 527 [2021-12-22 09:13:10,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:10,398 INFO L470 AbstractCegarLoop]: Abstraction has 13867 states and 15501 transitions. [2021-12-22 09:13:10,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 13867 states and 15501 transitions. [2021-12-22 09:13:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-12-22 09:13:10,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:10,416 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:10,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 09:13:10,417 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:10,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2020315425, now seen corresponding path program 1 times [2021-12-22 09:13:10,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:10,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904140807] [2021-12-22 09:13:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:10,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 324 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-22 09:13:10,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:10,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904140807] [2021-12-22 09:13:10,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904140807] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 09:13:10,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573627482] [2021-12-22 09:13:10,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:10,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 09:13:10,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 09:13:10,698 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) [2021-12-22 09:13:10,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 09:13:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:10,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 09:13:10,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 09:13:11,762 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-12-22 09:13:11,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 09:13:11,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573627482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:11,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 09:13:11,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-22 09:13:11,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4644248] [2021-12-22 09:13:11,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:11,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:11,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:11,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:11,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 09:13:11,767 INFO L87 Difference]: Start difference. First operand 13867 states and 15501 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:12,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:12,491 INFO L93 Difference]: Finished difference Result 16261 states and 18135 transitions. [2021-12-22 09:13:12,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:12,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 533 [2021-12-22 09:13:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:12,513 INFO L225 Difference]: With dead ends: 16261 [2021-12-22 09:13:12,514 INFO L226 Difference]: Without dead ends: 16259 [2021-12-22 09:13:12,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 09:13:12,520 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 158 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:12,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 137 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:12,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16259 states. [2021-12-22 09:13:12,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16259 to 13867. [2021-12-22 09:13:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13867 states, 13866 states have (on average 1.117842203952113) internal successors, (15500), 13866 states have internal predecessors, (15500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13867 states to 13867 states and 15500 transitions. [2021-12-22 09:13:12,716 INFO L78 Accepts]: Start accepts. Automaton has 13867 states and 15500 transitions. Word has length 533 [2021-12-22 09:13:12,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:12,716 INFO L470 AbstractCegarLoop]: Abstraction has 13867 states and 15500 transitions. [2021-12-22 09:13:12,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 13867 states and 15500 transitions. [2021-12-22 09:13:12,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-12-22 09:13:12,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:12,735 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:12,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 09:13:12,952 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,SelfDestructingSolverStorable13 [2021-12-22 09:13:12,953 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:12,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:12,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1051688403, now seen corresponding path program 1 times [2021-12-22 09:13:12,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:12,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104043442] [2021-12-22 09:13:12,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:12,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 902 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-22 09:13:13,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:13,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104043442] [2021-12-22 09:13:13,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104043442] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:13,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:13,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 09:13:13,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660290915] [2021-12-22 09:13:13,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:13,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 09:13:13,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:13,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 09:13:13,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:13,281 INFO L87 Difference]: Start difference. First operand 13867 states and 15500 transitions. Second operand has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:14,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:14,429 INFO L93 Difference]: Finished difference Result 30691 states and 34303 transitions. [2021-12-22 09:13:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 09:13:14,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 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 551 [2021-12-22 09:13:14,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:14,454 INFO L225 Difference]: With dead ends: 30691 [2021-12-22 09:13:14,455 INFO L226 Difference]: Without dead ends: 16826 [2021-12-22 09:13:14,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:14,469 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 206 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:14,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 156 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-22 09:13:14,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16826 states. [2021-12-22 09:13:14,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16826 to 13681. [2021-12-22 09:13:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13681 states, 13680 states have (on average 1.1176169590643275) internal successors, (15289), 13680 states have internal predecessors, (15289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13681 states to 13681 states and 15289 transitions. [2021-12-22 09:13:14,706 INFO L78 Accepts]: Start accepts. Automaton has 13681 states and 15289 transitions. Word has length 551 [2021-12-22 09:13:14,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:14,706 INFO L470 AbstractCegarLoop]: Abstraction has 13681 states and 15289 transitions. [2021-12-22 09:13:14,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13681 states and 15289 transitions. [2021-12-22 09:13:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-12-22 09:13:14,720 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:14,720 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:14,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 09:13:14,721 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:14,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:14,721 INFO L85 PathProgramCache]: Analyzing trace with hash 720401217, now seen corresponding path program 1 times [2021-12-22 09:13:14,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:14,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255485674] [2021-12-22 09:13:14,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:14,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 834 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-22 09:13:14,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:14,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255485674] [2021-12-22 09:13:14,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255485674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:14,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:14,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 09:13:14,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196719855] [2021-12-22 09:13:14,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:14,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 09:13:14,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:14,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 09:13:14,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:14,922 INFO L87 Difference]: Start difference. First operand 13681 states and 15289 transitions. Second operand has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:16,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:16,050 INFO L93 Difference]: Finished difference Result 32710 states and 36531 transitions. [2021-12-22 09:13:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 09:13:16,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 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 581 [2021-12-22 09:13:16,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:16,076 INFO L225 Difference]: With dead ends: 32710 [2021-12-22 09:13:16,077 INFO L226 Difference]: Without dead ends: 19031 [2021-12-22 09:13:16,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:16,089 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 172 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:16,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 59 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-22 09:13:16,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19031 states. [2021-12-22 09:13:16,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19031 to 15333. [2021-12-22 09:13:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15333 states, 15332 states have (on average 1.1081398382468042) internal successors, (16990), 15332 states have internal predecessors, (16990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15333 states to 15333 states and 16990 transitions. [2021-12-22 09:13:16,328 INFO L78 Accepts]: Start accepts. Automaton has 15333 states and 16990 transitions. Word has length 581 [2021-12-22 09:13:16,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:16,329 INFO L470 AbstractCegarLoop]: Abstraction has 15333 states and 16990 transitions. [2021-12-22 09:13:16,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 15333 states and 16990 transitions. [2021-12-22 09:13:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-12-22 09:13:16,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:16,375 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:16,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 09:13:16,375 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:16,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:16,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1947745532, now seen corresponding path program 1 times [2021-12-22 09:13:16,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:16,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585503447] [2021-12-22 09:13:16,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:16,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-12-22 09:13:16,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:16,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585503447] [2021-12-22 09:13:16,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585503447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:16,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:16,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:16,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371874756] [2021-12-22 09:13:16,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:16,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 09:13:16,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:16,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 09:13:16,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:16,575 INFO L87 Difference]: Start difference. First operand 15333 states and 16990 transitions. Second operand has 4 states, 4 states have (on average 97.5) 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) [2021-12-22 09:13:17,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:17,659 INFO L93 Difference]: Finished difference Result 39329 states and 43397 transitions. [2021-12-22 09:13:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 09:13:17,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.5) 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 599 [2021-12-22 09:13:17,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:17,740 INFO L225 Difference]: With dead ends: 39329 [2021-12-22 09:13:17,740 INFO L226 Difference]: Without dead ends: 23998 [2021-12-22 09:13:17,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 09:13:17,753 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 157 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:17,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 72 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 09:13:17,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23998 states. [2021-12-22 09:13:18,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23998 to 22519. [2021-12-22 09:13:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22519 states, 22518 states have (on average 1.10134114930278) internal successors, (24800), 22518 states have internal predecessors, (24800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22519 states to 22519 states and 24800 transitions. [2021-12-22 09:13:18,130 INFO L78 Accepts]: Start accepts. Automaton has 22519 states and 24800 transitions. Word has length 599 [2021-12-22 09:13:18,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:18,131 INFO L470 AbstractCegarLoop]: Abstraction has 22519 states and 24800 transitions. [2021-12-22 09:13:18,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) 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) [2021-12-22 09:13:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 22519 states and 24800 transitions. [2021-12-22 09:13:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2021-12-22 09:13:18,156 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:18,156 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:18,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-22 09:13:18,157 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:18,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:18,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1631375320, now seen corresponding path program 1 times [2021-12-22 09:13:18,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:18,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836823158] [2021-12-22 09:13:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:18,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2021-12-22 09:13:18,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:18,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836823158] [2021-12-22 09:13:18,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836823158] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:18,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:18,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:18,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665422929] [2021-12-22 09:13:18,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:18,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:18,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:18,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:18,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:18,414 INFO L87 Difference]: Start difference. First operand 22519 states and 24800 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:19,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:19,031 INFO L93 Difference]: Finished difference Result 45032 states and 49618 transitions. [2021-12-22 09:13:19,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:19,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 650 [2021-12-22 09:13:19,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:19,058 INFO L225 Difference]: With dead ends: 45032 [2021-12-22 09:13:19,058 INFO L226 Difference]: Without dead ends: 25095 [2021-12-22 09:13:19,073 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 [2021-12-22 09:13:19,076 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 145 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:19,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 113 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:13:19,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25095 states. [2021-12-22 09:13:19,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25095 to 22887. [2021-12-22 09:13:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22887 states, 22886 states have (on average 1.097876431005855) internal successors, (25126), 22886 states have internal predecessors, (25126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22887 states to 22887 states and 25126 transitions. [2021-12-22 09:13:19,440 INFO L78 Accepts]: Start accepts. Automaton has 22887 states and 25126 transitions. Word has length 650 [2021-12-22 09:13:19,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:19,440 INFO L470 AbstractCegarLoop]: Abstraction has 22887 states and 25126 transitions. [2021-12-22 09:13:19,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 22887 states and 25126 transitions. [2021-12-22 09:13:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2021-12-22 09:13:19,467 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:19,468 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:13:19,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-22 09:13:19,468 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:19,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:19,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1057845284, now seen corresponding path program 1 times [2021-12-22 09:13:19,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:19,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607141370] [2021-12-22 09:13:19,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:19,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-12-22 09:13:19,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:19,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607141370] [2021-12-22 09:13:19,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607141370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:19,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:19,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:19,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673919481] [2021-12-22 09:13:19,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:19,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:19,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:19,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:19,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:19,693 INFO L87 Difference]: Start difference. First operand 22887 states and 25126 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:20,398 INFO L93 Difference]: Finished difference Result 47243 states and 51839 transitions. [2021-12-22 09:13:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:20,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 683 [2021-12-22 09:13:20,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:20,426 INFO L225 Difference]: With dead ends: 47243 [2021-12-22 09:13:20,427 INFO L226 Difference]: Without dead ends: 24726 [2021-12-22 09:13:20,435 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 [2021-12-22 09:13:20,437 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 115 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:20,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 137 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:13:20,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24726 states. [2021-12-22 09:13:20,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24726 to 22327. [2021-12-22 09:13:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22327 states, 22326 states have (on average 1.0942846904953865) internal successors, (24431), 22326 states have internal predecessors, (24431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22327 states to 22327 states and 24431 transitions. [2021-12-22 09:13:20,654 INFO L78 Accepts]: Start accepts. Automaton has 22327 states and 24431 transitions. Word has length 683 [2021-12-22 09:13:20,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:20,654 INFO L470 AbstractCegarLoop]: Abstraction has 22327 states and 24431 transitions. [2021-12-22 09:13:20,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 22327 states and 24431 transitions. [2021-12-22 09:13:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2021-12-22 09:13:20,680 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:13:20,681 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 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] [2021-12-22 09:13:20,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-22 09:13:20,681 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:13:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:13:20,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2044993265, now seen corresponding path program 1 times [2021-12-22 09:13:20,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:13:20,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548132413] [2021-12-22 09:13:20,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:13:20,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:13:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:13:21,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1777 backedges. 1159 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-12-22 09:13:21,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:13:21,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548132413] [2021-12-22 09:13:21,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548132413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:13:21,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:13:21,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:13:21,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195878531] [2021-12-22 09:13:21,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:13:21,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:13:21,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:13:21,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:13:21,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:13:21,023 INFO L87 Difference]: Start difference. First operand 22327 states and 24431 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:21,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:13:21,741 INFO L93 Difference]: Finished difference Result 43363 states and 47434 transitions. [2021-12-22 09:13:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:13:21,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 732 [2021-12-22 09:13:21,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:13:21,743 INFO L225 Difference]: With dead ends: 43363 [2021-12-22 09:13:21,743 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 09:13:21,760 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 [2021-12-22 09:13:21,761 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 46 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:13:21,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 338 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:13:21,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 09:13:21,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 09:13:21,762 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) [2021-12-22 09:13:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 09:13:21,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 732 [2021-12-22 09:13:21,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:13:21,763 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 09:13:21,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 09:13:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 09:13:21,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 09:13:21,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 09:13:21,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-22 09:13:21,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 09:13:28,442 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-22 09:13:28,443 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,443 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-22 09:13:28,443 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,443 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,443 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,444 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,444 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,444 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,444 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-22 09:13:28,444 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-22 09:13:28,444 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-22 09:13:28,444 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,445 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,446 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-22 09:13:28,446 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-22 09:13:28,446 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-22 09:13:28,446 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,446 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-22 09:13:28,446 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-22 09:13:28,446 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,446 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,447 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,447 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,447 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,447 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,447 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-22 09:13:28,447 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-22 09:13:28,447 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-22 09:13:28,448 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,448 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,448 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,448 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse18 (+ ~a23~0 43))) (let ((.cse9 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a25~0 12)) (.cse3 (<= ~a29~0 220)) (.cse17 (<= 312 ~a23~0)) (.cse12 (<= (+ 28470 ~a29~0) 0)) (.cse6 (<= ~a29~0 274)) (.cse11 (<= 13 ~a25~0)) (.cse14 (<= ~a29~0 140)) (.cse8 (= ~a4~0 0)) (.cse15 (<= ~a25~0 10)) (.cse5 (= ~a25~0 11)) (.cse0 (<= .cse18 0)) (.cse7 (<= 246 ~a29~0)) (.cse16 (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1))) (.cse2 (<= ~a8~0 15)) (.cse13 (<= ~a29~0 599998)) (.cse4 (= ~a4~0 1)) (.cse10 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse4 .cse7) (and .cse8 .cse9 .cse2 (= ~a25~0 10)) (and .cse8 .cse9 .cse2 .cse10 .cse11) (and .cse1 .cse2 .cse12 .cse4) (and .cse1 .cse8 .cse2 .cse13) (and .cse14 .cse8 .cse5 .cse2 .cse10) (and .cse8 .cse5 .cse2 .cse13 .cse10 .cse7) (and .cse15 .cse2 .cse4) (and .cse1 .cse16 .cse2 .cse4 .cse10) (and .cse1 .cse2 .cse4 .cse17 (<= ~a29~0 231)) (and .cse16 .cse2 .cse13 .cse4 .cse7) (and .cse0 .cse8 .cse15 .cse2 .cse13 .cse7) (and .cse2 .cse3 .cse4 .cse17) (and .cse0 .cse8 .cse2 .cse12) (and .cse6 .cse2 .cse4 .cse11) (and .cse14 .cse8 (< 0 .cse18) .cse15 .cse2 .cse10) (and .cse5 .cse2 (not .cse0) .cse4 .cse7) (and .cse16 .cse2 .cse13 .cse4 .cse10)))) [2021-12-22 09:13:28,448 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,448 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-22 09:13:28,449 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-22 09:13:28,449 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,449 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,449 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,449 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,449 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,449 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,450 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-22 09:13:28,450 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-22 09:13:28,450 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-22 09:13:28,450 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-22 09:13:28,450 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,450 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,450 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,450 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,451 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,451 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,451 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,451 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-22 09:13:28,451 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-22 09:13:28,451 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-22 09:13:28,451 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,452 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,452 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,452 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,452 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,452 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,452 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,452 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,452 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,453 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-22 09:13:28,453 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-22 09:13:28,453 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-22 09:13:28,453 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,454 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse18 (+ ~a23~0 43))) (let ((.cse9 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a25~0 12)) (.cse3 (<= ~a29~0 220)) (.cse17 (<= 312 ~a23~0)) (.cse12 (<= (+ 28470 ~a29~0) 0)) (.cse6 (<= ~a29~0 274)) (.cse11 (<= 13 ~a25~0)) (.cse14 (<= ~a29~0 140)) (.cse8 (= ~a4~0 0)) (.cse15 (<= ~a25~0 10)) (.cse5 (= ~a25~0 11)) (.cse0 (<= .cse18 0)) (.cse7 (<= 246 ~a29~0)) (.cse16 (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1))) (.cse2 (<= ~a8~0 15)) (.cse13 (<= ~a29~0 599998)) (.cse4 (= ~a4~0 1)) (.cse10 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse4 .cse7) (and .cse8 .cse9 .cse2 (= ~a25~0 10)) (and .cse8 .cse9 .cse2 .cse10 .cse11) (and .cse1 .cse2 .cse12 .cse4) (and .cse1 .cse8 .cse2 .cse13) (and .cse14 .cse8 .cse5 .cse2 .cse10) (and .cse8 .cse5 .cse2 .cse13 .cse10 .cse7) (and .cse15 .cse2 .cse4) (and .cse1 .cse16 .cse2 .cse4 .cse10) (and .cse1 .cse2 .cse4 .cse17 (<= ~a29~0 231)) (and .cse16 .cse2 .cse13 .cse4 .cse7) (and .cse0 .cse8 .cse15 .cse2 .cse13 .cse7) (and .cse2 .cse3 .cse4 .cse17) (and .cse0 .cse8 .cse2 .cse12) (and .cse6 .cse2 .cse4 .cse11) (and .cse14 .cse8 (< 0 .cse18) .cse15 .cse2 .cse10) (and .cse5 .cse2 (not .cse0) .cse4 .cse7) (and .cse16 .cse2 .cse13 .cse4 .cse10)))) [2021-12-22 09:13:28,454 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,454 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,454 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,454 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,454 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,455 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,455 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,455 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,455 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-22 09:13:28,455 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-22 09:13:28,455 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-22 09:13:28,455 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-22 09:13:28,456 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-22 09:13:28,456 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-22 09:13:28,456 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-22 09:13:28,456 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,456 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,456 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,456 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,456 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,457 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,457 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,457 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,457 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,457 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,457 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 09:13:28,457 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-22 09:13:28,458 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-22 09:13:28,458 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-22 09:13:28,458 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-22 09:13:28,458 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,458 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,458 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,459 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,459 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,459 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-22 09:13:28,459 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-22 09:13:28,459 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-22 09:13:28,459 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,459 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,460 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,460 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,460 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-22 09:13:28,460 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-22 09:13:28,460 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,460 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,460 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,461 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,461 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,461 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,461 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-22 09:13:28,461 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-22 09:13:28,461 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,461 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,461 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-22 09:13:28,462 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-22 09:13:28,462 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-22 09:13:28,462 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 09:13:28,462 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2021-12-22 09:13:28,462 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,462 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,462 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,463 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,463 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,463 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,463 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,463 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-22 09:13:28,463 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-22 09:13:28,463 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-22 09:13:28,463 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-22 09:13:28,464 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-22 09:13:28,464 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-22 09:13:28,464 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-22 09:13:28,464 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,464 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,464 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-22 09:13:28,464 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-22 09:13:28,464 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,465 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,465 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,465 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,465 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,465 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-22 09:13:28,466 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-22 09:13:28,466 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-22 09:13:28,466 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,466 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,466 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,466 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,466 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,467 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,467 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-22 09:13:28,467 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-22 09:13:28,467 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-22 09:13:28,467 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,467 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,467 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,467 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,468 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,468 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,468 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,468 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,468 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-22 09:13:28,469 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-22 09:13:28,469 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-22 09:13:28,469 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,469 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,469 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,469 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,469 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,469 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,470 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,470 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,470 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,470 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,470 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,470 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-22 09:13:28,470 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-22 09:13:28,470 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-22 09:13:28,471 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-22 09:13:28,471 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-22 09:13:28,471 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,471 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,471 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,471 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,471 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,472 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,472 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,472 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-22 09:13:28,472 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-22 09:13:28,472 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-22 09:13:28,472 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,472 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,472 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,473 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-22 09:13:28,473 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-22 09:13:28,473 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,473 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,473 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,473 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,473 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,473 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-22 09:13:28,474 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-22 09:13:28,474 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,474 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,474 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-22 09:13:28,474 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-22 09:13:28,474 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,474 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 09:13:28,474 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,475 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,475 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,475 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,475 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,475 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-22 09:13:28,475 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-22 09:13:28,475 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-22 09:13:28,475 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-22 09:13:28,476 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,476 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,476 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,476 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,476 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,476 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,476 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,477 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,477 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-22 09:13:28,477 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-22 09:13:28,478 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-22 09:13:28,478 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-22 09:13:28,478 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-22 09:13:28,478 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-22 09:13:28,478 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,479 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,479 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,479 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,479 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,481 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,481 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,481 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-22 09:13:28,481 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-22 09:13:28,481 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 09:13:28,481 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,481 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,482 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,482 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,482 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,482 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,482 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-22 09:13:28,482 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-22 09:13:28,482 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,482 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,483 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,483 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,483 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,483 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,483 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,483 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-22 09:13:28,483 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:13:28,483 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,484 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,484 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-22 09:13:28,484 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-22 09:13:28,484 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-22 09:13:28,484 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-22 09:13:28,489 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] [2021-12-22 09:13:28,490 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 09:13:28,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 09:13:28 BoogieIcfgContainer [2021-12-22 09:13:28,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 09:13:28,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 09:13:28,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 09:13:28,530 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 09:13:28,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:12:55" (3/4) ... [2021-12-22 09:13:28,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 09:13:28,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-22 09:13:28,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-22 09:13:28,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 09:13:28,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 09:13:28,689 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 09:13:28,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 09:13:28,690 INFO L158 Benchmark]: Toolchain (without parser) took 35598.28ms. Allocated memory was 83.9MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 62.9MB in the beginning and 521.8MB in the end (delta: -458.9MB). Peak memory consumption was 554.4MB. Max. memory is 16.1GB. [2021-12-22 09:13:28,690 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 09:13:28,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.22ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 62.7MB in the beginning and 67.5MB in the end (delta: -4.8MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2021-12-22 09:13:28,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.33ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 50.1MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-22 09:13:28,691 INFO L158 Benchmark]: Boogie Preprocessor took 115.83ms. Allocated memory is still 100.7MB. Free memory was 50.1MB in the beginning and 41.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 09:13:28,691 INFO L158 Benchmark]: RCFGBuilder took 1524.86ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 40.7MB in the beginning and 87.0MB in the end (delta: -46.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-12-22 09:13:28,692 INFO L158 Benchmark]: TraceAbstraction took 32952.85ms. Allocated memory was 140.5MB in the beginning and 1.1GB in the end (delta: 958.4MB). Free memory was 87.0MB in the beginning and 547.0MB in the end (delta: -459.9MB). Peak memory consumption was 834.2MB. Max. memory is 16.1GB. [2021-12-22 09:13:28,692 INFO L158 Benchmark]: Witness Printer took 159.29ms. Allocated memory is still 1.1GB. Free memory was 547.0MB in the beginning and 521.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-22 09:13:28,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.22ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 62.7MB in the beginning and 67.5MB in the end (delta: -4.8MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.33ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 50.1MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.83ms. Allocated memory is still 100.7MB. Free memory was 50.1MB in the beginning and 41.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1524.86ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 40.7MB in the beginning and 87.0MB in the end (delta: -46.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * TraceAbstraction took 32952.85ms. Allocated memory was 140.5MB in the beginning and 1.1GB in the end (delta: 958.4MB). Free memory was 87.0MB in the beginning and 547.0MB in the end (delta: -459.9MB). Peak memory consumption was 834.2MB. Max. memory is 16.1GB. * Witness Printer took 159.29ms. Allocated memory is still 1.1GB. Free memory was 547.0MB in the beginning and 521.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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: 205]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 20, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2875 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2875 mSDsluCounter, 3897 SdHoareTripleChecker+Invalid, 11.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 2026 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12698 IncrementalHoareTripleChecker+Invalid, 14724 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2026 mSolverCounterUnsat, 3426 mSDtfsCounter, 12698 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 844 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22887occurred in iteration=18, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 16859 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 245 NumberOfFragments, 655 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3746 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 22704 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 9013 NumberOfCodeBlocks, 9013 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 8991 ConstructedInterpolants, 0 QuantifiedInterpolants, 20770 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1081 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 22 InterpolantComputations, 20 PerfectInterpolantSequences, 13232/13734 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a23 + 43 <= 0 && a25 == 12) && a8 <= 15) && a29 <= 220) && a4 == 1) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || (((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a25 == 10)) || ((((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a23 <= 312) && 13 <= a25)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 <= 599998)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((((a4 == 0 && a25 == 11) && a8 <= 15) && a29 <= 599998) && a23 <= 312) && 246 <= a29)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || ((((a25 == 12 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((((a25 == 12 && a8 <= 15) && a4 == 1) && 312 <= a23) && a29 <= 231)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && 246 <= a29)) || (((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 599998) && 246 <= a29)) || (((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23)) || (((a23 + 43 <= 0 && a4 == 0) && a8 <= 15) && 28470 + a29 <= 0)) || (((a29 <= 274 && a8 <= 15) && a4 == 1) && 13 <= a25)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && a8 <= 15) && !(a23 + 43 <= 0)) && a4 == 1) && 246 <= a29)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && a23 <= 312) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a23 + 43 <= 0 && a25 == 12) && a8 <= 15) && a29 <= 220) && a4 == 1) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || (((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a25 == 10)) || ((((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a23 <= 312) && 13 <= a25)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 <= 599998)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((((a4 == 0 && a25 == 11) && a8 <= 15) && a29 <= 599998) && a23 <= 312) && 246 <= a29)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || ((((a25 == 12 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((((a25 == 12 && a8 <= 15) && a4 == 1) && 312 <= a23) && a29 <= 231)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && 246 <= a29)) || (((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 599998) && 246 <= a29)) || (((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23)) || (((a23 + 43 <= 0 && a4 == 0) && a8 <= 15) && 28470 + a29 <= 0)) || (((a29 <= 274 && a8 <= 15) && a4 == 1) && 13 <= a25)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && a8 <= 15) && !(a23 + 43 <= 0)) && a4 == 1) && 246 <= a29)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && a23 <= 312) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-22 09:13:28,735 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