./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label53.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_label53.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 286b6e221c79378c3b3145c49c329e71764c47b5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:31:23,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:31:23,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:31:23,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:31:23,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:31:23,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:31:23,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:31:23,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:31:23,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:31:23,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:31:23,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:31:23,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:31:23,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:31:23,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:31:23,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:31:23,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:31:23,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:31:23,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:31:23,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:31:23,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:31:23,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:31:23,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:31:23,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:31:23,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:31:23,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:31:23,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:31:23,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:31:23,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:31:23,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:31:23,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:31:23,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:31:23,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:31:23,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:31:23,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:31:23,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:31:23,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:31:23,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:31:23,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:31:23,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:31:23,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:31:23,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:31:23,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:31:23,966 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:31:23,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:31:23,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:31:23,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:31:23,969 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:31:23,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:31:23,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:31:23,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:31:23,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:31:23,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:31:23,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:31:23,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:31:23,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:31:23,971 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:31:23,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:31:23,971 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:31:23,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:31:23,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:31:23,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:31:23,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:31:23,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:31:23,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:31:23,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:31:23,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:31:23,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:31:23,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:31:23,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:31:23,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:31:23,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:31:23,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 286b6e221c79378c3b3145c49c329e71764c47b5 [2020-10-25 20:31:24,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:31:24,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:31:24,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:31:24,503 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:31:24,504 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:31:24,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2020-10-25 20:31:24,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf99159b/187c9d5168cb49f78fa25dd9d1f3b0ad/FLAGde9ab2365 [2020-10-25 20:31:25,542 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:31:25,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2020-10-25 20:31:25,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf99159b/187c9d5168cb49f78fa25dd9d1f3b0ad/FLAGde9ab2365 [2020-10-25 20:31:25,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf99159b/187c9d5168cb49f78fa25dd9d1f3b0ad [2020-10-25 20:31:25,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:31:25,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:31:25,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:31:25,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:31:25,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:31:25,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:31:25" (1/1) ... [2020-10-25 20:31:25,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e9f15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:25, skipping insertion in model container [2020-10-25 20:31:25,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:31:25" (1/1) ... [2020-10-25 20:31:25,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:31:25,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:31:26,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:31:26,607 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:31:26,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:31:26,836 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:31:26,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26 WrapperNode [2020-10-25 20:31:26,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:31:26,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:31:26,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:31:26,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:31:26,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:26,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:27,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:31:27,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:31:27,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:31:27,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:31:27,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:27,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:27,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:27,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:27,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:27,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:27,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... [2020-10-25 20:31:27,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:31:27,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:31:27,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:31:27,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:31:27,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:31:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:31:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:31:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:31:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:31:29,817 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:31:29,818 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:31:29,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:31:29 BoogieIcfgContainer [2020-10-25 20:31:29,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:31:29,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:31:29,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:31:29,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:31:29,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:31:25" (1/3) ... [2020-10-25 20:31:29,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4461e46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:31:29, skipping insertion in model container [2020-10-25 20:31:29,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:26" (2/3) ... [2020-10-25 20:31:29,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4461e46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:31:29, skipping insertion in model container [2020-10-25 20:31:29,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:31:29" (3/3) ... [2020-10-25 20:31:29,830 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label53.c [2020-10-25 20:31:29,845 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:31:29,851 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:31:29,868 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:31:29,904 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:31:29,904 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:31:29,904 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:31:29,904 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:31:29,904 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:31:29,904 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:31:29,905 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:31:29,905 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:31:29,929 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-25 20:31:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-25 20:31:29,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:29,940 INFO L422 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] [2020-10-25 20:31:29,941 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:29,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2020-10-25 20:31:29,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:29,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326134326] [2020-10-25 20:31:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:31:30,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326134326] [2020-10-25 20:31:30,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:30,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:31:30,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120190993] [2020-10-25 20:31:30,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:30,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:30,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:30,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:30,390 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-25 20:31:32,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:32,427 INFO L93 Difference]: Finished difference Result 770 states and 1361 transitions. [2020-10-25 20:31:32,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:32,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-25 20:31:32,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:32,458 INFO L225 Difference]: With dead ends: 770 [2020-10-25 20:31:32,459 INFO L226 Difference]: Without dead ends: 422 [2020-10-25 20:31:32,469 INFO L677 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 [2020-10-25 20:31:32,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-10-25 20:31:32,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-10-25 20:31:32,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-25 20:31:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2020-10-25 20:31:32,604 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 47 [2020-10-25 20:31:32,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:32,605 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2020-10-25 20:31:32,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2020-10-25 20:31:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-25 20:31:32,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:32,616 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:31:32,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:31:32,616 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:32,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:32,621 INFO L82 PathProgramCache]: Analyzing trace with hash -546917487, now seen corresponding path program 1 times [2020-10-25 20:31:32,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:32,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260734948] [2020-10-25 20:31:32,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:32,869 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:31:32,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260734948] [2020-10-25 20:31:32,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:32,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:31:32,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048842133] [2020-10-25 20:31:32,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:32,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:32,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:32,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:32,875 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2020-10-25 20:31:34,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:34,311 INFO L93 Difference]: Finished difference Result 1199 states and 1829 transitions. [2020-10-25 20:31:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:34,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-10-25 20:31:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:34,321 INFO L225 Difference]: With dead ends: 1199 [2020-10-25 20:31:34,321 INFO L226 Difference]: Without dead ends: 789 [2020-10-25 20:31:34,326 INFO L677 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 [2020-10-25 20:31:34,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-25 20:31:34,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2020-10-25 20:31:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-25 20:31:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-25 20:31:34,390 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 113 [2020-10-25 20:31:34,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:34,391 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-25 20:31:34,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-25 20:31:34,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-25 20:31:34,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:34,397 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:31:34,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:31:34,398 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:34,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:34,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1839577445, now seen corresponding path program 1 times [2020-10-25 20:31:34,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:34,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159546898] [2020-10-25 20:31:34,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:31:34,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159546898] [2020-10-25 20:31:34,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:34,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:31:34,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143714778] [2020-10-25 20:31:34,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:34,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:34,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:34,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:34,628 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-25 20:31:36,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:36,187 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-25 20:31:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:36,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-25 20:31:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:36,197 INFO L225 Difference]: With dead ends: 2314 [2020-10-25 20:31:36,197 INFO L226 Difference]: Without dead ends: 1527 [2020-10-25 20:31:36,199 INFO L677 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 [2020-10-25 20:31:36,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-25 20:31:36,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-25 20:31:36,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-25 20:31:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-25 20:31:36,236 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 117 [2020-10-25 20:31:36,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:36,236 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-25 20:31:36,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-25 20:31:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-25 20:31:36,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:36,240 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:31:36,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:31:36,240 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:36,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:36,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1621682045, now seen corresponding path program 1 times [2020-10-25 20:31:36,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:36,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140288128] [2020-10-25 20:31:36,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:31:36,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140288128] [2020-10-25 20:31:36,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:36,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:31:36,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581834809] [2020-10-25 20:31:36,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:31:36,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:36,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:31:36,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:31:36,481 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 4 states. [2020-10-25 20:31:38,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:38,920 INFO L93 Difference]: Finished difference Result 4184 states and 5339 transitions. [2020-10-25 20:31:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:31:38,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2020-10-25 20:31:38,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:38,938 INFO L225 Difference]: With dead ends: 4184 [2020-10-25 20:31:38,938 INFO L226 Difference]: Without dead ends: 2844 [2020-10-25 20:31:38,941 INFO L677 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 [2020-10-25 20:31:38,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-10-25 20:31:38,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2843. [2020-10-25 20:31:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-10-25 20:31:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3569 transitions. [2020-10-25 20:31:39,007 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3569 transitions. Word has length 174 [2020-10-25 20:31:39,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:39,008 INFO L481 AbstractCegarLoop]: Abstraction has 2843 states and 3569 transitions. [2020-10-25 20:31:39,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:31:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3569 transitions. [2020-10-25 20:31:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-25 20:31:39,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:39,014 INFO L422 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, 2, 2, 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] [2020-10-25 20:31:39,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:31:39,015 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:39,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:39,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1452946116, now seen corresponding path program 1 times [2020-10-25 20:31:39,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:39,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883525140] [2020-10-25 20:31:39,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-25 20:31:39,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883525140] [2020-10-25 20:31:39,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:39,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:31:39,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757414322] [2020-10-25 20:31:39,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:39,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:39,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:39,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:39,250 INFO L87 Difference]: Start difference. First operand 2843 states and 3569 transitions. Second operand 3 states. [2020-10-25 20:31:40,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:40,786 INFO L93 Difference]: Finished difference Result 6431 states and 8283 transitions. [2020-10-25 20:31:40,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:40,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-10-25 20:31:40,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:40,811 INFO L225 Difference]: With dead ends: 6431 [2020-10-25 20:31:40,812 INFO L226 Difference]: Without dead ends: 3958 [2020-10-25 20:31:40,816 INFO L677 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 [2020-10-25 20:31:40,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-10-25 20:31:40,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2020-10-25 20:31:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3948 states. [2020-10-25 20:31:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4860 transitions. [2020-10-25 20:31:40,908 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4860 transitions. Word has length 229 [2020-10-25 20:31:40,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:40,910 INFO L481 AbstractCegarLoop]: Abstraction has 3948 states and 4860 transitions. [2020-10-25 20:31:40,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4860 transitions. [2020-10-25 20:31:40,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-25 20:31:40,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:40,915 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:31:40,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:31:40,916 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:40,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:40,917 INFO L82 PathProgramCache]: Analyzing trace with hash -777385205, now seen corresponding path program 1 times [2020-10-25 20:31:40,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:40,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608289981] [2020-10-25 20:31:40,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:31:41,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608289981] [2020-10-25 20:31:41,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:41,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:31:41,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056409485] [2020-10-25 20:31:41,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:41,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:41,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:41,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:41,187 INFO L87 Difference]: Start difference. First operand 3948 states and 4860 transitions. Second operand 3 states. [2020-10-25 20:31:42,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:42,844 INFO L93 Difference]: Finished difference Result 10103 states and 12715 transitions. [2020-10-25 20:31:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:42,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-10-25 20:31:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:42,879 INFO L225 Difference]: With dead ends: 10103 [2020-10-25 20:31:42,879 INFO L226 Difference]: Without dead ends: 6525 [2020-10-25 20:31:42,887 INFO L677 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 [2020-10-25 20:31:42,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6525 states. [2020-10-25 20:31:43,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6525 to 6525. [2020-10-25 20:31:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6525 states. [2020-10-25 20:31:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6525 states to 6525 states and 7989 transitions. [2020-10-25 20:31:43,036 INFO L78 Accepts]: Start accepts. Automaton has 6525 states and 7989 transitions. Word has length 235 [2020-10-25 20:31:43,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:43,037 INFO L481 AbstractCegarLoop]: Abstraction has 6525 states and 7989 transitions. [2020-10-25 20:31:43,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6525 states and 7989 transitions. [2020-10-25 20:31:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-25 20:31:43,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:43,047 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:31:43,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:31:43,047 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:43,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:43,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1626316196, now seen corresponding path program 1 times [2020-10-25 20:31:43,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:43,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730714853] [2020-10-25 20:31:43,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:31:43,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730714853] [2020-10-25 20:31:43,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:43,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 20:31:43,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083750998] [2020-10-25 20:31:43,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 20:31:43,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:43,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 20:31:43,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:31:43,454 INFO L87 Difference]: Start difference. First operand 6525 states and 7989 transitions. Second operand 5 states. [2020-10-25 20:31:46,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:46,926 INFO L93 Difference]: Finished difference Result 19887 states and 25249 transitions. [2020-10-25 20:31:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 20:31:46,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2020-10-25 20:31:46,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:46,999 INFO L225 Difference]: With dead ends: 19887 [2020-10-25 20:31:47,000 INFO L226 Difference]: Without dead ends: 13732 [2020-10-25 20:31:47,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:31:47,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13732 states. [2020-10-25 20:31:47,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13732 to 13342. [2020-10-25 20:31:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13342 states. [2020-10-25 20:31:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13342 states to 13342 states and 16271 transitions. [2020-10-25 20:31:47,362 INFO L78 Accepts]: Start accepts. Automaton has 13342 states and 16271 transitions. Word has length 266 [2020-10-25 20:31:47,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:47,363 INFO L481 AbstractCegarLoop]: Abstraction has 13342 states and 16271 transitions. [2020-10-25 20:31:47,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 20:31:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 13342 states and 16271 transitions. [2020-10-25 20:31:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-25 20:31:47,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:47,377 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:31:47,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:31:47,377 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:47,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:47,378 INFO L82 PathProgramCache]: Analyzing trace with hash 748387169, now seen corresponding path program 1 times [2020-10-25 20:31:47,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:47,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936662284] [2020-10-25 20:31:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-25 20:31:47,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936662284] [2020-10-25 20:31:47,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:47,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:31:47,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84813242] [2020-10-25 20:31:47,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:47,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:47,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:47,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:47,634 INFO L87 Difference]: Start difference. First operand 13342 states and 16271 transitions. Second operand 3 states. [2020-10-25 20:31:49,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:49,166 INFO L93 Difference]: Finished difference Result 30911 states and 38183 transitions. [2020-10-25 20:31:49,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:49,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-10-25 20:31:49,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:49,214 INFO L225 Difference]: With dead ends: 30911 [2020-10-25 20:31:49,214 INFO L226 Difference]: Without dead ends: 17939 [2020-10-25 20:31:49,234 INFO L677 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 [2020-10-25 20:31:49,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17939 states. [2020-10-25 20:31:49,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17939 to 17386. [2020-10-25 20:31:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17386 states. [2020-10-25 20:31:49,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17386 states to 17386 states and 21157 transitions. [2020-10-25 20:31:49,637 INFO L78 Accepts]: Start accepts. Automaton has 17386 states and 21157 transitions. Word has length 277 [2020-10-25 20:31:49,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:49,638 INFO L481 AbstractCegarLoop]: Abstraction has 17386 states and 21157 transitions. [2020-10-25 20:31:49,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:49,638 INFO L276 IsEmpty]: Start isEmpty. Operand 17386 states and 21157 transitions. [2020-10-25 20:31:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-25 20:31:49,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:49,655 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:31:49,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:31:49,655 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:49,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:49,656 INFO L82 PathProgramCache]: Analyzing trace with hash -527043248, now seen corresponding path program 1 times [2020-10-25 20:31:49,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:49,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584175578] [2020-10-25 20:31:49,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-25 20:31:50,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584175578] [2020-10-25 20:31:50,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:50,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:31:50,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388527301] [2020-10-25 20:31:50,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:50,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:50,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:50,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:50,061 INFO L87 Difference]: Start difference. First operand 17386 states and 21157 transitions. Second operand 3 states. [2020-10-25 20:31:51,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:51,730 INFO L93 Difference]: Finished difference Result 36810 states and 45096 transitions. [2020-10-25 20:31:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:51,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2020-10-25 20:31:51,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:51,774 INFO L225 Difference]: With dead ends: 36810 [2020-10-25 20:31:51,775 INFO L226 Difference]: Without dead ends: 19794 [2020-10-25 20:31:51,796 INFO L677 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 [2020-10-25 20:31:51,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19794 states. [2020-10-25 20:31:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19794 to 19410. [2020-10-25 20:31:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19410 states. [2020-10-25 20:31:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19410 states to 19410 states and 23094 transitions. [2020-10-25 20:31:52,116 INFO L78 Accepts]: Start accepts. Automaton has 19410 states and 23094 transitions. Word has length 312 [2020-10-25 20:31:52,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:52,116 INFO L481 AbstractCegarLoop]: Abstraction has 19410 states and 23094 transitions. [2020-10-25 20:31:52,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 19410 states and 23094 transitions. [2020-10-25 20:31:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2020-10-25 20:31:52,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:52,155 INFO L422 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, 4, 4, 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, 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] [2020-10-25 20:31:52,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:31:52,155 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:52,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:52,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1718807639, now seen corresponding path program 1 times [2020-10-25 20:31:52,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:52,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403395203] [2020-10-25 20:31:52,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 462 proven. 78 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-25 20:31:52,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403395203] [2020-10-25 20:31:52,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004949470] [2020-10-25 20:31:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:31:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:53,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-25 20:31:53,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:31:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-25 20:31:53,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:31:53,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:31:53,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133094483] [2020-10-25 20:31:53,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:53,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:53,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:53,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:31:53,767 INFO L87 Difference]: Start difference. First operand 19410 states and 23094 transitions. Second operand 3 states. [2020-10-25 20:31:55,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:55,458 INFO L93 Difference]: Finished difference Result 37714 states and 44970 transitions. [2020-10-25 20:31:55,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:55,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 416 [2020-10-25 20:31:55,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:55,514 INFO L225 Difference]: With dead ends: 37714 [2020-10-25 20:31:55,515 INFO L226 Difference]: Without dead ends: 19967 [2020-10-25 20:31:55,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:31:55,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19967 states. [2020-10-25 20:31:55,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19967 to 19410. [2020-10-25 20:31:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19410 states. [2020-10-25 20:31:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19410 states to 19410 states and 22561 transitions. [2020-10-25 20:31:55,956 INFO L78 Accepts]: Start accepts. Automaton has 19410 states and 22561 transitions. Word has length 416 [2020-10-25 20:31:55,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:55,957 INFO L481 AbstractCegarLoop]: Abstraction has 19410 states and 22561 transitions. [2020-10-25 20:31:55,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 19410 states and 22561 transitions. [2020-10-25 20:31:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-25 20:31:55,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:55,996 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:31:56,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 20:31:56,209 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:56,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:56,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1110533791, now seen corresponding path program 1 times [2020-10-25 20:31:56,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:56,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402314031] [2020-10-25 20:31:56,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-25 20:31:57,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402314031] [2020-10-25 20:31:57,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:57,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 20:31:57,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696728081] [2020-10-25 20:31:57,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 20:31:57,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:57,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 20:31:57,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:31:57,255 INFO L87 Difference]: Start difference. First operand 19410 states and 22561 transitions. Second operand 6 states. [2020-10-25 20:32:00,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:00,261 INFO L93 Difference]: Finished difference Result 41357 states and 47963 transitions. [2020-10-25 20:32:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 20:32:00,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 417 [2020-10-25 20:32:00,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:00,307 INFO L225 Difference]: With dead ends: 41357 [2020-10-25 20:32:00,307 INFO L226 Difference]: Without dead ends: 22317 [2020-10-25 20:32:00,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-25 20:32:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22317 states. [2020-10-25 20:32:00,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22317 to 21617. [2020-10-25 20:32:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21617 states. [2020-10-25 20:32:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21617 states to 21617 states and 25054 transitions. [2020-10-25 20:32:00,870 INFO L78 Accepts]: Start accepts. Automaton has 21617 states and 25054 transitions. Word has length 417 [2020-10-25 20:32:00,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:00,871 INFO L481 AbstractCegarLoop]: Abstraction has 21617 states and 25054 transitions. [2020-10-25 20:32:00,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 20:32:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 21617 states and 25054 transitions. [2020-10-25 20:32:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-10-25 20:32:00,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:00,906 INFO L422 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:32:00,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:32:00,907 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:00,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:00,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1609812082, now seen corresponding path program 1 times [2020-10-25 20:32:00,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:00,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661482222] [2020-10-25 20:32:00,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-25 20:32:01,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661482222] [2020-10-25 20:32:01,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:01,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:01,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283480059] [2020-10-25 20:32:01,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:01,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:01,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:01,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:01,488 INFO L87 Difference]: Start difference. First operand 21617 states and 25054 transitions. Second operand 3 states. [2020-10-25 20:32:03,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:03,241 INFO L93 Difference]: Finished difference Result 44334 states and 51499 transitions. [2020-10-25 20:32:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:03,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 418 [2020-10-25 20:32:03,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:03,286 INFO L225 Difference]: With dead ends: 44334 [2020-10-25 20:32:03,286 INFO L226 Difference]: Without dead ends: 23455 [2020-10-25 20:32:03,299 INFO L677 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 [2020-10-25 20:32:03,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23455 states. [2020-10-25 20:32:03,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23455 to 22719. [2020-10-25 20:32:03,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22719 states. [2020-10-25 20:32:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22719 states to 22719 states and 25998 transitions. [2020-10-25 20:32:03,627 INFO L78 Accepts]: Start accepts. Automaton has 22719 states and 25998 transitions. Word has length 418 [2020-10-25 20:32:03,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:03,628 INFO L481 AbstractCegarLoop]: Abstraction has 22719 states and 25998 transitions. [2020-10-25 20:32:03,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:03,629 INFO L276 IsEmpty]: Start isEmpty. Operand 22719 states and 25998 transitions. [2020-10-25 20:32:03,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2020-10-25 20:32:03,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:03,662 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:32:03,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 20:32:03,663 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:03,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:03,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1136261306, now seen corresponding path program 1 times [2020-10-25 20:32:03,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:03,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588129342] [2020-10-25 20:32:03,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 395 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-25 20:32:04,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588129342] [2020-10-25 20:32:04,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43808582] [2020-10-25 20:32:04,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:32:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:05,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-25 20:32:05,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:32:05,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:32:05,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:32:05,237 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:32:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 282 proven. 121 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-25 20:32:06,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 20:32:06,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2020-10-25 20:32:06,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705580062] [2020-10-25 20:32:06,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-25 20:32:06,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:06,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-25 20:32:06,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-25 20:32:06,007 INFO L87 Difference]: Start difference. First operand 22719 states and 25998 transitions. Second operand 9 states. [2020-10-25 20:32:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:12,453 INFO L93 Difference]: Finished difference Result 50250 states and 57191 transitions. [2020-10-25 20:32:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-25 20:32:12,454 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 427 [2020-10-25 20:32:12,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:12,497 INFO L225 Difference]: With dead ends: 50250 [2020-10-25 20:32:12,497 INFO L226 Difference]: Without dead ends: 27901 [2020-10-25 20:32:12,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 425 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-10-25 20:32:12,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27901 states. [2020-10-25 20:32:12,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27901 to 23271. [2020-10-25 20:32:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23271 states. [2020-10-25 20:32:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23271 states to 23271 states and 26553 transitions. [2020-10-25 20:32:13,045 INFO L78 Accepts]: Start accepts. Automaton has 23271 states and 26553 transitions. Word has length 427 [2020-10-25 20:32:13,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:13,045 INFO L481 AbstractCegarLoop]: Abstraction has 23271 states and 26553 transitions. [2020-10-25 20:32:13,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-25 20:32:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 23271 states and 26553 transitions. [2020-10-25 20:32:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2020-10-25 20:32:13,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:13,062 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:32:13,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-25 20:32:13,268 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:13,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:13,269 INFO L82 PathProgramCache]: Analyzing trace with hash -806091956, now seen corresponding path program 1 times [2020-10-25 20:32:13,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:13,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367915201] [2020-10-25 20:32:13,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2020-10-25 20:32:13,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367915201] [2020-10-25 20:32:13,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:13,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:13,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134385470] [2020-10-25 20:32:13,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:13,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:13,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:13,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:13,598 INFO L87 Difference]: Start difference. First operand 23271 states and 26553 transitions. Second operand 3 states. [2020-10-25 20:32:15,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:15,299 INFO L93 Difference]: Finished difference Result 46729 states and 53316 transitions. [2020-10-25 20:32:15,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:15,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 432 [2020-10-25 20:32:15,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:15,341 INFO L225 Difference]: With dead ends: 46729 [2020-10-25 20:32:15,342 INFO L226 Difference]: Without dead ends: 25670 [2020-10-25 20:32:15,358 INFO L677 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 [2020-10-25 20:32:15,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25670 states. [2020-10-25 20:32:15,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25670 to 23087. [2020-10-25 20:32:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23087 states. [2020-10-25 20:32:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 26318 transitions. [2020-10-25 20:32:15,680 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 26318 transitions. Word has length 432 [2020-10-25 20:32:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:15,680 INFO L481 AbstractCegarLoop]: Abstraction has 23087 states and 26318 transitions. [2020-10-25 20:32:15,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 26318 transitions. [2020-10-25 20:32:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-10-25 20:32:15,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:15,695 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:32:15,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 20:32:15,695 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:15,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:15,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1804429372, now seen corresponding path program 1 times [2020-10-25 20:32:15,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:15,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002503478] [2020-10-25 20:32:15,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2020-10-25 20:32:16,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002503478] [2020-10-25 20:32:16,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:16,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:16,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861945662] [2020-10-25 20:32:16,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:16,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:16,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:16,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:16,096 INFO L87 Difference]: Start difference. First operand 23087 states and 26318 transitions. Second operand 3 states. [2020-10-25 20:32:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:17,734 INFO L93 Difference]: Finished difference Result 47087 states and 53909 transitions. [2020-10-25 20:32:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:17,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2020-10-25 20:32:17,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:17,735 INFO L225 Difference]: With dead ends: 47087 [2020-10-25 20:32:17,735 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:32:17,760 INFO L677 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 [2020-10-25 20:32:17,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:32:17,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:32:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:32:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:32:17,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 438 [2020-10-25 20:32:17,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:17,761 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:32:17,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:32:17,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:32:17,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-25 20:32:17,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:32:19,761 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 787 DAG size of output: 114 [2020-10-25 20:32:21,495 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 787 DAG size of output: 114 [2020-10-25 20:32:21,855 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2020-10-25 20:32:22,278 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2020-10-25 20:32:22,282 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse1 (= ~a4~0 1)) (.cse2 (<= ~a25~0 10)) (.cse0 (<= ~a29~0 245))) (or (= ~a25~0 11) (< 306 ~a23~0) (and (<= 130 ~a29~0) .cse0) (and .cse0 .cse1) (<= 99912 ~a29~0) (and (<= ~a23~0 138) (not .cse1)) (= ~a25~0 12) (and .cse2 .cse1) (and .cse2 .cse0))) [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,283 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,284 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-25 20:32:22,285 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-25 20:32:22,285 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-25 20:32:22,285 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,285 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,285 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,285 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,289 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,289 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,289 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,289 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,289 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,289 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-25 20:32:22,289 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse1 (= ~a4~0 1)) (.cse2 (<= ~a25~0 10)) (.cse0 (<= ~a29~0 245))) (or (= ~a25~0 11) (< 306 ~a23~0) (and (<= 130 ~a29~0) .cse0) (and .cse0 .cse1) (<= 99912 ~a29~0) (and (<= ~a23~0 138) (not .cse1)) (= ~a25~0 12) (and .cse2 .cse1) (and .cse2 .cse0))) [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,290 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,291 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,291 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-25 20:32:22,291 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-25 20:32:22,291 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-25 20:32:22,291 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:32:22,291 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:32:22,291 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,292 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-25 20:32:22,293 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-25 20:32:22,294 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,294 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,294 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,294 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,294 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:32:22,294 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:32:22,295 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,295 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,295 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,295 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,295 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,295 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,296 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:32:22,296 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:32:22,296 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,296 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,296 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-25 20:32:22,297 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-25 20:32:22,297 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-25 20:32:22,297 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:32:22,297 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,297 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,297 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,298 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,298 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,298 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,298 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,298 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-25 20:32:22,298 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-25 20:32:22,299 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-25 20:32:22,299 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:32:22,299 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:32:22,299 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:32:22,299 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:32:22,300 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,300 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,300 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:32:22,300 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:32:22,300 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,301 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,301 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,301 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,301 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,301 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-25 20:32:22,301 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-25 20:32:22,302 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-25 20:32:22,302 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,302 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,302 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,302 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,303 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,303 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,303 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-25 20:32:22,303 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-25 20:32:22,303 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-25 20:32:22,303 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:32:22,304 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:32:22,304 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,304 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,304 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,305 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,305 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,305 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,305 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,305 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-25 20:32:22,305 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-25 20:32:22,306 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-25 20:32:22,306 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,306 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,306 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,306 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,306 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,307 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,307 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,307 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:32:22,307 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,307 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,307 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,308 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,308 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:32:22,308 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:32:22,308 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-25 20:32:22,308 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-25 20:32:22,308 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-25 20:32:22,309 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,309 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,309 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,309 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,309 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,309 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,310 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,310 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-25 20:32:22,310 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-25 20:32:22,310 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-25 20:32:22,310 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,310 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,311 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,311 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:32:22,311 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:32:22,311 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,311 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,311 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,312 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,312 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,312 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-25 20:32:22,312 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-25 20:32:22,312 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,312 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,313 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:32:22,313 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:32:22,313 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,313 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,313 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,313 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,314 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,314 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,314 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-25 20:32:22,314 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-25 20:32:22,314 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:32:22,314 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:32:22,314 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,315 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,315 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,315 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,315 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,315 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,315 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,316 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,316 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-25 20:32:22,316 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-25 20:32:22,316 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:32:22,316 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:32:22,316 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:32:22,317 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:32:22,317 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,317 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,317 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,317 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,317 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,318 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,318 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,318 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:32:22,318 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-25 20:32:22,318 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-25 20:32:22,318 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,319 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,319 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,319 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,319 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,319 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,320 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-25 20:32:22,320 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-25 20:32:22,320 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,320 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,320 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,320 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,321 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,321 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,321 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,321 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-25 20:32:22,321 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,321 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,322 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,322 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-25 20:32:22,322 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 20:32:22,322 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-25 20:32:22,322 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,322 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:32:22,323 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,323 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:32:22,323 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,323 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,323 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:32:22,324 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,324 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,324 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,324 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,324 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-25 20:32:22,325 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-25 20:32:22,325 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-25 20:32:22,325 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,325 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,325 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,325 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,326 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,326 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,326 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,326 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,326 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,326 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,327 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-25 20:32:22,327 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-25 20:32:22,327 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 20:32:22,327 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,327 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:32:22,328 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:32:22,328 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,328 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,328 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:22,328 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,328 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,329 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-25 20:32:22,329 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-25 20:32:22,329 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 20:32:22,329 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 20:32:22,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:32:22 BoogieIcfgContainer [2020-10-25 20:32:22,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:32:22,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:32:22,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:32:22,366 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:32:22,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:31:29" (3/4) ... [2020-10-25 20:32:22,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:32:22,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:32:22,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:32:22,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:32:22,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:32:22,629 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:32:22,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:32:22,630 INFO L168 Benchmark]: Toolchain (without parser) took 56927.44 ms. Allocated memory was 50.3 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 24.4 MB in the beginning and 2.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 773.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:22,631 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 32.5 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:32:22,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1125.13 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 29.4 MB in the end (delta: -5.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:22,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.30 ms. Allocated memory is still 60.8 MB. Free memory was 29.4 MB in the beginning and 24.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:22,632 INFO L168 Benchmark]: Boogie Preprocessor took 192.51 ms. Allocated memory is still 60.8 MB. Free memory was 24.7 MB in the beginning and 22.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:22,633 INFO L168 Benchmark]: RCFGBuilder took 2622.45 ms. Allocated memory was 60.8 MB in the beginning and 125.8 MB in the end (delta: 65.0 MB). Free memory was 22.2 MB in the beginning and 60.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:22,633 INFO L168 Benchmark]: TraceAbstraction took 52542.17 ms. Allocated memory was 125.8 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 59.6 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 849.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:22,633 INFO L168 Benchmark]: Witness Printer took 263.94 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:22,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 32.5 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1125.13 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 29.4 MB in the end (delta: -5.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 165.30 ms. Allocated memory is still 60.8 MB. Free memory was 29.4 MB in the beginning and 24.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 192.51 ms. Allocated memory is still 60.8 MB. Free memory was 24.7 MB in the beginning and 22.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2622.45 ms. Allocated memory was 60.8 MB in the beginning and 125.8 MB in the end (delta: 65.0 MB). Free memory was 22.2 MB in the beginning and 60.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 52542.17 ms. Allocated memory was 125.8 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 59.6 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 849.0 MB. Max. memory is 16.1 GB. * Witness Printer took 263.94 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((a25 == 11 || 306 < a23) || (130 <= a29 && a29 <= 245)) || (a29 <= 245 && a4 == 1)) || 99912 <= a29) || (a23 <= 138 && !(a4 == 1))) || a25 == 12) || (a25 <= 10 && a4 == 1)) || (a25 <= 10 && a29 <= 245) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((a25 == 11 || 306 < a23) || (130 <= a29 && a29 <= 245)) || (a29 <= 245 && a4 == 1)) || 99912 <= a29) || (a23 <= 138 && !(a4 == 1))) || a25 == 12) || (a25 <= 10 && a4 == 1)) || (a25 <= 10 && a29 <= 245) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.8s, OverallIterations: 15, TraceHistogramMax: 5, AutomataDifference: 34.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2817 SDtfs, 3668 SDslu, 471 SDs, 0 SdLazy, 12671 SolverSat, 2594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 913 GetRequests, 863 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23271occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 10555 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 307 NumberOfFragments, 99 HoareAnnotationTreeSize, 3 FomulaSimplifications, 32666 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1154 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 5161 NumberOfCodeBlocks, 5161 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 5144 ConstructedInterpolants, 0 QuantifiedInterpolants, 8210214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1177 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 5207/5414 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...