./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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_label09.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 1856493d2645bb2f23d6e635eae783fe46e39e5a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:11:21,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:11:21,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:11:21,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:11:21,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:11:21,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:11:21,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:11:21,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:11:21,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:11:21,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:11:21,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:11:21,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:11:21,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:11:21,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:11:21,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:11:21,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:11:21,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:11:21,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:11:21,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:11:21,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:11:21,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:11:21,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:11:21,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:11:21,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:11:21,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:11:21,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:11:21,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:11:21,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:11:21,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:11:21,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:11:21,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:11:21,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:11:21,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:11:21,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:11:21,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:11:21,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:11:21,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:11:21,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:11:21,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:11:21,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:11:21,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:11:21,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:11:21,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:11:21,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:11:21,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:11:21,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:11:21,963 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:11:21,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:11:21,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:11:21,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:11:21,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:11:21,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:11:21,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:11:21,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:11:21,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:11:21,965 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:11:21,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:11:21,966 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:11:21,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:11:21,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:11:21,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:11:21,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:11:21,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:11:21,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:11:21,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:11:21,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:11:21,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:11:21,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:11:21,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:11:21,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:11:21,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:11:21,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 1856493d2645bb2f23d6e635eae783fe46e39e5a [2020-10-19 23:11:22,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:11:22,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:11:22,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:11:22,193 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:11:22,193 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:11:22,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label09.c [2020-10-19 23:11:22,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25be24715/0ca3155000fd4f1d97ce4e595c4507d9/FLAGecbfdd283 [2020-10-19 23:11:22,943 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:11:22,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label09.c [2020-10-19 23:11:22,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25be24715/0ca3155000fd4f1d97ce4e595c4507d9/FLAGecbfdd283 [2020-10-19 23:11:23,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25be24715/0ca3155000fd4f1d97ce4e595c4507d9 [2020-10-19 23:11:23,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:11:23,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:11:23,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:23,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:11:23,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:11:23,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:23" (1/1) ... [2020-10-19 23:11:23,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b62e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:23, skipping insertion in model container [2020-10-19 23:11:23,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:23" (1/1) ... [2020-10-19 23:11:23,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:11:23,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:11:23,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:24,009 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:11:24,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:24,164 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:11:24,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24 WrapperNode [2020-10-19 23:11:24,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:24,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:24,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:11:24,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:11:24,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:24,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:11:24,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:11:24,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:11:24,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (1/1) ... [2020-10-19 23:11:24,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:11:24,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:11:24,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:11:24,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:11:24,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (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 [2020-10-19 23:11:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:11:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:11:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:11:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:11:26,723 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:11:26,723 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:11:26,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:26 BoogieIcfgContainer [2020-10-19 23:11:26,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:11:26,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:11:26,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:11:26,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:11:26,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:11:23" (1/3) ... [2020-10-19 23:11:26,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48423157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:26, skipping insertion in model container [2020-10-19 23:11:26,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:24" (2/3) ... [2020-10-19 23:11:26,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48423157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:26, skipping insertion in model container [2020-10-19 23:11:26,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:26" (3/3) ... [2020-10-19 23:11:26,736 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label09.c [2020-10-19 23:11:26,748 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:11:26,757 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:11:26,772 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:11:26,812 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:11:26,812 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:11:26,812 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:11:26,813 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:11:26,813 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:11:26,813 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:11:26,813 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:11:26,815 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:11:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-19 23:11:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-19 23:11:26,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:26,865 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:26,866 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:26,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:26,871 INFO L82 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2020-10-19 23:11:26,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:26,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399085301] [2020-10-19 23:11:26,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:27,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399085301] [2020-10-19 23:11:27,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:27,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:27,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8613819] [2020-10-19 23:11:27,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:27,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:27,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:27,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:27,449 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-19 23:11:29,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:29,148 INFO L93 Difference]: Finished difference Result 777 states and 1364 transitions. [2020-10-19 23:11:29,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:29,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-10-19 23:11:29,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:29,168 INFO L225 Difference]: With dead ends: 777 [2020-10-19 23:11:29,168 INFO L226 Difference]: Without dead ends: 413 [2020-10-19 23:11:29,173 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 [2020-10-19 23:11:29,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-19 23:11:29,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2020-10-19 23:11:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-10-19 23:11:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2020-10-19 23:11:29,246 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 66 [2020-10-19 23:11:29,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:29,246 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2020-10-19 23:11:29,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:29,247 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2020-10-19 23:11:29,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-19 23:11:29,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:29,253 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, 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] [2020-10-19 23:11:29,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:11:29,253 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:29,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:29,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1189231150, now seen corresponding path program 1 times [2020-10-19 23:11:29,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:29,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222834176] [2020-10-19 23:11:29,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:29,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222834176] [2020-10-19 23:11:29,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:29,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:29,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741855149] [2020-10-19 23:11:29,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:29,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:29,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:29,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:29,465 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand 3 states. [2020-10-19 23:11:30,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:30,654 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2020-10-19 23:11:30,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:30,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-10-19 23:11:30,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:30,671 INFO L225 Difference]: With dead ends: 1209 [2020-10-19 23:11:30,671 INFO L226 Difference]: Without dead ends: 800 [2020-10-19 23:11:30,676 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 [2020-10-19 23:11:30,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-19 23:11:30,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2020-10-19 23:11:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-10-19 23:11:30,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2020-10-19 23:11:30,719 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 134 [2020-10-19 23:11:30,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:30,720 INFO L481 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2020-10-19 23:11:30,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2020-10-19 23:11:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-19 23:11:30,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:30,725 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, 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] [2020-10-19 23:11:30,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:11:30,726 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:30,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:30,726 INFO L82 PathProgramCache]: Analyzing trace with hash -801294698, now seen corresponding path program 1 times [2020-10-19 23:11:30,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:30,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861854921] [2020-10-19 23:11:30,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:30,875 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:30,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861854921] [2020-10-19 23:11:30,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:30,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:30,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631003938] [2020-10-19 23:11:30,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:30,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:30,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:30,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:30,878 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand 3 states. [2020-10-19 23:11:31,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:31,975 INFO L93 Difference]: Finished difference Result 1941 states and 2630 transitions. [2020-10-19 23:11:31,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:31,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-10-19 23:11:31,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:31,982 INFO L225 Difference]: With dead ends: 1941 [2020-10-19 23:11:31,982 INFO L226 Difference]: Without dead ends: 1156 [2020-10-19 23:11:31,984 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 [2020-10-19 23:11:31,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2020-10-19 23:11:32,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1156. [2020-10-19 23:11:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2020-10-19 23:11:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2020-10-19 23:11:32,016 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 135 [2020-10-19 23:11:32,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:32,017 INFO L481 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2020-10-19 23:11:32,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2020-10-19 23:11:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-19 23:11:32,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:32,021 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, 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] [2020-10-19 23:11:32,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:11:32,022 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:32,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:32,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1593575146, now seen corresponding path program 1 times [2020-10-19 23:11:32,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:32,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681945894] [2020-10-19 23:11:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-19 23:11:32,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681945894] [2020-10-19 23:11:32,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:32,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:32,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966224422] [2020-10-19 23:11:32,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:32,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:32,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:32,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:32,239 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand 3 states. [2020-10-19 23:11:33,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:33,378 INFO L93 Difference]: Finished difference Result 3056 states and 3917 transitions. [2020-10-19 23:11:33,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:33,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-10-19 23:11:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:33,392 INFO L225 Difference]: With dead ends: 3056 [2020-10-19 23:11:33,393 INFO L226 Difference]: Without dead ends: 1902 [2020-10-19 23:11:33,395 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 [2020-10-19 23:11:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2020-10-19 23:11:33,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1901. [2020-10-19 23:11:33,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1901 states. [2020-10-19 23:11:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2319 transitions. [2020-10-19 23:11:33,449 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2319 transitions. Word has length 178 [2020-10-19 23:11:33,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:33,451 INFO L481 AbstractCegarLoop]: Abstraction has 1901 states and 2319 transitions. [2020-10-19 23:11:33,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2319 transitions. [2020-10-19 23:11:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-19 23:11:33,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:33,456 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, 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] [2020-10-19 23:11:33,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:11:33,457 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:33,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:33,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1118144689, now seen corresponding path program 1 times [2020-10-19 23:11:33,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:33,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365903607] [2020-10-19 23:11:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:33,673 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:33,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365903607] [2020-10-19 23:11:33,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:33,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:33,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663966459] [2020-10-19 23:11:33,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:33,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:33,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:33,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:33,677 INFO L87 Difference]: Start difference. First operand 1901 states and 2319 transitions. Second operand 3 states. [2020-10-19 23:11:34,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:34,983 INFO L93 Difference]: Finished difference Result 4550 states and 5631 transitions. [2020-10-19 23:11:34,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:34,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-10-19 23:11:34,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:35,006 INFO L225 Difference]: With dead ends: 4550 [2020-10-19 23:11:35,007 INFO L226 Difference]: Without dead ends: 2835 [2020-10-19 23:11:35,011 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 [2020-10-19 23:11:35,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2020-10-19 23:11:35,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2456. [2020-10-19 23:11:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2456 states. [2020-10-19 23:11:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 2976 transitions. [2020-10-19 23:11:35,084 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 2976 transitions. Word has length 193 [2020-10-19 23:11:35,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:35,086 INFO L481 AbstractCegarLoop]: Abstraction has 2456 states and 2976 transitions. [2020-10-19 23:11:35,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2976 transitions. [2020-10-19 23:11:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-19 23:11:35,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:35,097 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:35,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:11:35,098 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:35,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:35,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1010070790, now seen corresponding path program 1 times [2020-10-19 23:11:35,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:35,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364288666] [2020-10-19 23:11:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:11:35,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364288666] [2020-10-19 23:11:35,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:35,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:35,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006701852] [2020-10-19 23:11:35,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:35,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:35,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:35,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:35,470 INFO L87 Difference]: Start difference. First operand 2456 states and 2976 transitions. Second operand 3 states. [2020-10-19 23:11:36,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:36,643 INFO L93 Difference]: Finished difference Result 6200 states and 7608 transitions. [2020-10-19 23:11:36,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:36,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-10-19 23:11:36,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:36,663 INFO L225 Difference]: With dead ends: 6200 [2020-10-19 23:11:36,663 INFO L226 Difference]: Without dead ends: 3746 [2020-10-19 23:11:36,686 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 [2020-10-19 23:11:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2020-10-19 23:11:36,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3562. [2020-10-19 23:11:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2020-10-19 23:11:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4310 transitions. [2020-10-19 23:11:36,762 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 4310 transitions. Word has length 247 [2020-10-19 23:11:36,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:36,767 INFO L481 AbstractCegarLoop]: Abstraction has 3562 states and 4310 transitions. [2020-10-19 23:11:36,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4310 transitions. [2020-10-19 23:11:36,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-19 23:11:36,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:36,774 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:36,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:11:36,775 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:36,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:36,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1426946071, now seen corresponding path program 1 times [2020-10-19 23:11:36,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:36,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679296220] [2020-10-19 23:11:36,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-19 23:11:37,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679296220] [2020-10-19 23:11:37,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:37,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:37,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087166539] [2020-10-19 23:11:37,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:37,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:37,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:37,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:37,022 INFO L87 Difference]: Start difference. First operand 3562 states and 4310 transitions. Second operand 3 states. [2020-10-19 23:11:38,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:38,643 INFO L93 Difference]: Finished difference Result 8242 states and 9981 transitions. [2020-10-19 23:11:38,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:38,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2020-10-19 23:11:38,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:38,675 INFO L225 Difference]: With dead ends: 8242 [2020-10-19 23:11:38,675 INFO L226 Difference]: Without dead ends: 4682 [2020-10-19 23:11:38,683 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 [2020-10-19 23:11:38,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2020-10-19 23:11:38,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4482. [2020-10-19 23:11:38,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4482 states. [2020-10-19 23:11:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4482 states and 5392 transitions. [2020-10-19 23:11:38,806 INFO L78 Accepts]: Start accepts. Automaton has 4482 states and 5392 transitions. Word has length 268 [2020-10-19 23:11:38,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:38,807 INFO L481 AbstractCegarLoop]: Abstraction has 4482 states and 5392 transitions. [2020-10-19 23:11:38,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 4482 states and 5392 transitions. [2020-10-19 23:11:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-19 23:11:38,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:38,816 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:38,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:11:38,817 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:38,817 INFO L82 PathProgramCache]: Analyzing trace with hash 477165143, now seen corresponding path program 1 times [2020-10-19 23:11:38,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:38,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721391008] [2020-10-19 23:11:38,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:11:39,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721391008] [2020-10-19 23:11:39,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:39,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:39,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354631578] [2020-10-19 23:11:39,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:39,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:39,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:39,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:39,080 INFO L87 Difference]: Start difference. First operand 4482 states and 5392 transitions. Second operand 3 states. [2020-10-19 23:11:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:40,315 INFO L93 Difference]: Finished difference Result 11170 states and 13610 transitions. [2020-10-19 23:11:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:40,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2020-10-19 23:11:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:40,346 INFO L225 Difference]: With dead ends: 11170 [2020-10-19 23:11:40,346 INFO L226 Difference]: Without dead ends: 6690 [2020-10-19 23:11:40,353 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 [2020-10-19 23:11:40,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6690 states. [2020-10-19 23:11:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6690 to 6690. [2020-10-19 23:11:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6690 states. [2020-10-19 23:11:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6690 states to 6690 states and 8074 transitions. [2020-10-19 23:11:40,531 INFO L78 Accepts]: Start accepts. Automaton has 6690 states and 8074 transitions. Word has length 285 [2020-10-19 23:11:40,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:40,532 INFO L481 AbstractCegarLoop]: Abstraction has 6690 states and 8074 transitions. [2020-10-19 23:11:40,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 6690 states and 8074 transitions. [2020-10-19 23:11:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-19 23:11:40,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:40,546 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:40,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:11:40,546 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:40,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:40,547 INFO L82 PathProgramCache]: Analyzing trace with hash -630175930, now seen corresponding path program 1 times [2020-10-19 23:11:40,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:40,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512694385] [2020-10-19 23:11:40,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:41,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512694385] [2020-10-19 23:11:41,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:41,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:41,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095802993] [2020-10-19 23:11:41,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:11:41,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:41,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:11:41,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:41,131 INFO L87 Difference]: Start difference. First operand 6690 states and 8074 transitions. Second operand 4 states. [2020-10-19 23:11:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:43,431 INFO L93 Difference]: Finished difference Result 20217 states and 24675 transitions. [2020-10-19 23:11:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:11:43,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 326 [2020-10-19 23:11:43,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:43,520 INFO L225 Difference]: With dead ends: 20217 [2020-10-19 23:11:43,520 INFO L226 Difference]: Without dead ends: 13529 [2020-10-19 23:11:43,531 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 [2020-10-19 23:11:43,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13529 states. [2020-10-19 23:11:43,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13529 to 13526. [2020-10-19 23:11:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13526 states. [2020-10-19 23:11:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13526 states to 13526 states and 16299 transitions. [2020-10-19 23:11:43,874 INFO L78 Accepts]: Start accepts. Automaton has 13526 states and 16299 transitions. Word has length 326 [2020-10-19 23:11:43,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:43,875 INFO L481 AbstractCegarLoop]: Abstraction has 13526 states and 16299 transitions. [2020-10-19 23:11:43,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:11:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 13526 states and 16299 transitions. [2020-10-19 23:11:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-19 23:11:43,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:43,899 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:43,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:11:43,899 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:43,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1946779306, now seen corresponding path program 1 times [2020-10-19 23:11:43,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:43,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143348296] [2020-10-19 23:11:43,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:44,319 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-19 23:11:44,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143348296] [2020-10-19 23:11:44,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:44,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:44,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708618856] [2020-10-19 23:11:44,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:44,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:44,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:44,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:44,322 INFO L87 Difference]: Start difference. First operand 13526 states and 16299 transitions. Second operand 3 states. [2020-10-19 23:11:45,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:45,775 INFO L93 Difference]: Finished difference Result 29991 states and 36289 transitions. [2020-10-19 23:11:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:45,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-10-19 23:11:45,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:45,812 INFO L225 Difference]: With dead ends: 29991 [2020-10-19 23:11:45,812 INFO L226 Difference]: Without dead ends: 16835 [2020-10-19 23:11:45,828 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 [2020-10-19 23:11:45,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16835 states. [2020-10-19 23:11:46,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16835 to 16466. [2020-10-19 23:11:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16466 states. [2020-10-19 23:11:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16466 states to 16466 states and 19545 transitions. [2020-10-19 23:11:46,451 INFO L78 Accepts]: Start accepts. Automaton has 16466 states and 19545 transitions. Word has length 327 [2020-10-19 23:11:46,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:46,452 INFO L481 AbstractCegarLoop]: Abstraction has 16466 states and 19545 transitions. [2020-10-19 23:11:46,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:46,452 INFO L276 IsEmpty]: Start isEmpty. Operand 16466 states and 19545 transitions. [2020-10-19 23:11:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-19 23:11:46,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:46,472 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, 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, 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] [2020-10-19 23:11:46,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:11:46,473 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:46,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:46,474 INFO L82 PathProgramCache]: Analyzing trace with hash 653729669, now seen corresponding path program 1 times [2020-10-19 23:11:46,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:46,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812062863] [2020-10-19 23:11:46,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-19 23:11:46,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812062863] [2020-10-19 23:11:46,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:46,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:46,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316804937] [2020-10-19 23:11:46,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:46,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:46,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:46,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:46,758 INFO L87 Difference]: Start difference. First operand 16466 states and 19545 transitions. Second operand 3 states. [2020-10-19 23:11:47,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:47,924 INFO L93 Difference]: Finished difference Result 30897 states and 36837 transitions. [2020-10-19 23:11:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:47,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2020-10-19 23:11:47,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:47,951 INFO L225 Difference]: With dead ends: 30897 [2020-10-19 23:11:47,952 INFO L226 Difference]: Without dead ends: 16094 [2020-10-19 23:11:47,971 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 [2020-10-19 23:11:47,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16094 states. [2020-10-19 23:11:48,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16094 to 14434. [2020-10-19 23:11:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14434 states. [2020-10-19 23:11:48,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14434 states to 14434 states and 16432 transitions. [2020-10-19 23:11:48,653 INFO L78 Accepts]: Start accepts. Automaton has 14434 states and 16432 transitions. Word has length 345 [2020-10-19 23:11:48,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:48,654 INFO L481 AbstractCegarLoop]: Abstraction has 14434 states and 16432 transitions. [2020-10-19 23:11:48,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 14434 states and 16432 transitions. [2020-10-19 23:11:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-19 23:11:48,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:48,670 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:48,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:11:48,671 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:48,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:48,672 INFO L82 PathProgramCache]: Analyzing trace with hash -465096926, now seen corresponding path program 1 times [2020-10-19 23:11:48,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:48,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971532802] [2020-10-19 23:11:48,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-19 23:11:48,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971532802] [2020-10-19 23:11:48,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:48,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:48,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502280749] [2020-10-19 23:11:48,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:48,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:48,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:48,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:48,921 INFO L87 Difference]: Start difference. First operand 14434 states and 16432 transitions. Second operand 3 states. [2020-10-19 23:11:50,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:50,232 INFO L93 Difference]: Finished difference Result 31078 states and 35577 transitions. [2020-10-19 23:11:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:50,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2020-10-19 23:11:50,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:50,259 INFO L225 Difference]: With dead ends: 31078 [2020-10-19 23:11:50,259 INFO L226 Difference]: Without dead ends: 17014 [2020-10-19 23:11:50,278 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 [2020-10-19 23:11:50,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17014 states. [2020-10-19 23:11:50,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17014 to 16089. [2020-10-19 23:11:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16089 states. [2020-10-19 23:11:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16089 states to 16089 states and 18127 transitions. [2020-10-19 23:11:50,932 INFO L78 Accepts]: Start accepts. Automaton has 16089 states and 18127 transitions. Word has length 349 [2020-10-19 23:11:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:50,933 INFO L481 AbstractCegarLoop]: Abstraction has 16089 states and 18127 transitions. [2020-10-19 23:11:50,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 16089 states and 18127 transitions. [2020-10-19 23:11:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-19 23:11:50,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:50,966 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:50,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:11:50,967 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:50,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:50,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1553734827, now seen corresponding path program 1 times [2020-10-19 23:11:50,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:50,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412563668] [2020-10-19 23:11:50,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-19 23:11:51,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412563668] [2020-10-19 23:11:51,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:51,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:51,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149317117] [2020-10-19 23:11:51,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:51,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:51,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:51,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:51,286 INFO L87 Difference]: Start difference. First operand 16089 states and 18127 transitions. Second operand 3 states. [2020-10-19 23:11:52,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:52,938 INFO L93 Difference]: Finished difference Result 34209 states and 38755 transitions. [2020-10-19 23:11:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:52,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 406 [2020-10-19 23:11:52,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:52,964 INFO L225 Difference]: With dead ends: 34209 [2020-10-19 23:11:52,964 INFO L226 Difference]: Without dead ends: 18490 [2020-10-19 23:11:52,977 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 [2020-10-19 23:11:52,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18490 states. [2020-10-19 23:11:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18490 to 17193. [2020-10-19 23:11:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17193 states. [2020-10-19 23:11:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17193 states to 17193 states and 19199 transitions. [2020-10-19 23:11:53,390 INFO L78 Accepts]: Start accepts. Automaton has 17193 states and 19199 transitions. Word has length 406 [2020-10-19 23:11:53,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:53,391 INFO L481 AbstractCegarLoop]: Abstraction has 17193 states and 19199 transitions. [2020-10-19 23:11:53,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 17193 states and 19199 transitions. [2020-10-19 23:11:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2020-10-19 23:11:53,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:53,412 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:11:53,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:11:53,413 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:53,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:53,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1627982509, now seen corresponding path program 1 times [2020-10-19 23:11:53,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:53,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24536001] [2020-10-19 23:11:53,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-10-19 23:11:53,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24536001] [2020-10-19 23:11:53,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:53,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:53,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199623797] [2020-10-19 23:11:53,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:53,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:53,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:53,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:53,857 INFO L87 Difference]: Start difference. First operand 17193 states and 19199 transitions. Second operand 3 states. [2020-10-19 23:11:54,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:54,747 INFO L93 Difference]: Finished difference Result 30497 states and 33947 transitions. [2020-10-19 23:11:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:54,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 441 [2020-10-19 23:11:54,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:54,750 INFO L225 Difference]: With dead ends: 30497 [2020-10-19 23:11:54,750 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:11:54,761 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 [2020-10-19 23:11:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:11:54,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:11:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:11:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:11:54,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 441 [2020-10-19 23:11:54,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:54,763 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:11:54,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:11:54,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:11:54,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 23:11:54,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:11:55,128 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-19 23:11:55,320 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-19 23:11:55,325 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,325 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,325 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,325 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (= ~a25~0 10)) (.cse0 (<= 0 (+ ~a23~0 42))) (.cse5 (<= ~a29~0 130)) (.cse6 (<= ~a25~0 10)) (.cse1 (<= ~a23~0 312)) (.cse4 (= ~a4~0 1)) (.cse2 (<= ~a8~0 15))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and (= ~a25~0 11) .cse1 .cse2) (and .cse3 .cse5 .cse2) (and .cse3 (<= (+ ~a23~0 599772) 0) .cse4) (and .cse0 .cse2 .cse4) (and .cse6 .cse1 .cse5 .cse2) (and (= ~a25~0 12) .cse2) (and .cse6 .cse1 (< 277 ~a29~0) .cse2) (and (<= ~a29~0 245) .cse4 .cse2))) [2020-10-19 23:11:55,326 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,326 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:11:55,326 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:11:55,326 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,326 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,326 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,326 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,326 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,327 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,327 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-19 23:11:55,327 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-19 23:11:55,327 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-19 23:11:55,331 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-19 23:11:55,331 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,331 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,331 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,331 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,331 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,332 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,333 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,333 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,333 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,333 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,333 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-19 23:11:55,333 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-19 23:11:55,333 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-19 23:11:55,333 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,334 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (= ~a25~0 10)) (.cse0 (<= 0 (+ ~a23~0 42))) (.cse5 (<= ~a29~0 130)) (.cse6 (<= ~a25~0 10)) (.cse1 (<= ~a23~0 312)) (.cse4 (= ~a4~0 1)) (.cse2 (<= ~a8~0 15))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and (= ~a25~0 11) .cse1 .cse2) (and .cse3 .cse5 .cse2) (and .cse3 (<= (+ ~a23~0 599772) 0) .cse4) (and .cse0 .cse2 .cse4) (and .cse6 .cse1 .cse5 .cse2) (and (= ~a25~0 12) .cse2) (and .cse6 .cse1 (< 277 ~a29~0) .cse2) (and (<= ~a29~0 245) .cse4 .cse2))) [2020-10-19 23:11:55,334 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,334 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,334 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,334 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,334 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,334 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,334 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,334 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,335 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-19 23:11:55,336 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-19 23:11:55,337 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,338 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-19 23:11:55,339 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-19 23:11:55,340 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:11:55,341 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,342 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,343 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-19 23:11:55,344 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:11:55,345 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,346 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,347 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-19 23:11:55,348 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,349 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,350 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,351 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,352 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,353 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-19 23:11:55,354 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-19 23:11:55,355 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-19 23:11:55,355 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,355 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:11:55,356 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,356 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:11:55,356 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,357 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,357 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:11:55,357 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,358 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,358 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,359 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,360 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,361 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:11:55,362 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,363 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,363 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:11:55,363 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,363 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,363 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-19 23:11:55,363 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-19 23:11:55,363 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-19 23:11:55,363 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-19 23:11:55,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:11:55 BoogieIcfgContainer [2020-10-19 23:11:55,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:11:55,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:11:55,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:11:55,385 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:11:55,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:26" (3/4) ... [2020-10-19 23:11:55,389 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:11:55,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:11:55,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:11:55,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:11:55,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:11:55,651 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:11:55,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:11:55,654 INFO L168 Benchmark]: Toolchain (without parser) took 32489.04 ms. Allocated memory was 42.5 MB in the beginning and 384.8 MB in the end (delta: 342.4 MB). Free memory was 18.3 MB in the beginning and 103.4 MB in the end (delta: -85.1 MB). Peak memory consumption was 257.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:55,654 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-19 23:11:55,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.15 ms. Allocated memory was 42.5 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Free memory was 17.5 MB in the beginning and 11.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:55,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.07 ms. Allocated memory was 45.1 MB in the beginning and 47.7 MB in the end (delta: 2.6 MB). Free memory was 11.3 MB in the beginning and 13.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:55,655 INFO L168 Benchmark]: Boogie Preprocessor took 314.54 ms. Allocated memory was 47.7 MB in the beginning and 59.2 MB in the end (delta: 11.5 MB). Free memory was 13.8 MB in the beginning and 27.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:55,656 INFO L168 Benchmark]: RCFGBuilder took 2079.03 ms. Allocated memory was 59.2 MB in the beginning and 81.8 MB in the end (delta: 22.5 MB). Free memory was 27.2 MB in the beginning and 32.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:55,656 INFO L168 Benchmark]: TraceAbstraction took 28657.34 ms. Allocated memory was 81.8 MB in the beginning and 384.8 MB in the end (delta: 303.0 MB). Free memory was 32.2 MB in the beginning and 137.7 MB in the end (delta: -105.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:55,656 INFO L168 Benchmark]: Witness Printer took 266.80 ms. Allocated memory is still 384.8 MB. Free memory was 137.7 MB in the beginning and 103.4 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:55,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 994.15 ms. Allocated memory was 42.5 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Free memory was 17.5 MB in the beginning and 11.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 166.07 ms. Allocated memory was 45.1 MB in the beginning and 47.7 MB in the end (delta: 2.6 MB). Free memory was 11.3 MB in the beginning and 13.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 314.54 ms. Allocated memory was 47.7 MB in the beginning and 59.2 MB in the end (delta: 11.5 MB). Free memory was 13.8 MB in the beginning and 27.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2079.03 ms. Allocated memory was 59.2 MB in the beginning and 81.8 MB in the end (delta: 22.5 MB). Free memory was 27.2 MB in the beginning and 32.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 28657.34 ms. Allocated memory was 81.8 MB in the beginning and 384.8 MB in the end (delta: 303.0 MB). Free memory was 32.2 MB in the beginning and 137.7 MB in the end (delta: -105.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 14.3 GB. * Witness Printer took 266.80 ms. Allocated memory is still 384.8 MB. Free memory was 137.7 MB in the beginning and 103.4 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 14.3 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: ((((((((((0 <= a23 + 42 && a23 <= 312) && a8 <= 15) || ((a25 == 10 && a4 == 1) && a8 <= 15)) || ((a25 == 11 && a23 <= 312) && a8 <= 15)) || ((a25 == 10 && a29 <= 130) && a8 <= 15)) || ((a25 == 10 && a23 + 599772 <= 0) && a4 == 1)) || ((0 <= a23 + 42 && a8 <= 15) && a4 == 1)) || (((a25 <= 10 && a23 <= 312) && a29 <= 130) && a8 <= 15)) || (a25 == 12 && a8 <= 15)) || (((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 <= 15)) || ((a29 <= 245 && a4 == 1) && a8 <= 15) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((0 <= a23 + 42 && a23 <= 312) && a8 <= 15) || ((a25 == 10 && a4 == 1) && a8 <= 15)) || ((a25 == 11 && a23 <= 312) && a8 <= 15)) || ((a25 == 10 && a29 <= 130) && a8 <= 15)) || ((a25 == 10 && a23 + 599772 <= 0) && a4 == 1)) || ((0 <= a23 + 42 && a8 <= 15) && a4 == 1)) || (((a25 <= 10 && a23 <= 312) && a29 <= 130) && a8 <= 15)) || (a25 == 12 && a8 <= 15)) || (((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 <= 15)) || ((a29 <= 245 && a4 == 1) && a8 <= 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.9s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2517 SDtfs, 2118 SDslu, 315 SDs, 0 SdLazy, 7963 SolverSat, 1427 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17193occurred 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: 3.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 5033 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 175 NumberOfFragments, 221 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4252 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 178 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3700 NumberOfCodeBlocks, 3700 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3686 ConstructedInterpolants, 0 QuantifiedInterpolants, 2159764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 3037/3037 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...