./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/Problem02_label54.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7013b5440d15c52781747fe18e114861ef321ee3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:45:05,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:45:05,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:45:05,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:45:05,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:45:05,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:45:05,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:45:05,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:45:05,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:45:05,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:45:05,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:45:05,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:45:05,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:45:05,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:45:05,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:45:05,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:45:05,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:45:05,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:45:05,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:45:05,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:45:05,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:45:05,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:45:05,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:45:05,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:45:05,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:45:05,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:45:05,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:45:05,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:45:05,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:45:05,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:45:05,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:45:05,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:45:05,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:45:05,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:45:05,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:45:05,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:45:05,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:45:05,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:45:05,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:45:05,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:45:05,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:45:05,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:45:05,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:45:05,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:45:05,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:45:05,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:45:05,798 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:45:05,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:45:05,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:45:05,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:45:05,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:45:05,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:45:05,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:45:05,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:45:05,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:45:05,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:45:05,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:45:05,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:45:05,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:45:05,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:45:05,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:45:05,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:45:05,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:45:05,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:45:05,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:45:05,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:45:05,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:45:05,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:45:05,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:45:05,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:45:05,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:45:05,804 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(__VERIFIER_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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2019-11-28 15:45:06,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:45:06,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:45:06,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:45:06,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:45:06,208 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:45:06,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-28 15:45:06,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e838e98bc/1d62eacdd8c94e1286c599565e4e1ea4/FLAG791226c6a [2019-11-28 15:45:06,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:45:06,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-28 15:45:06,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e838e98bc/1d62eacdd8c94e1286c599565e4e1ea4/FLAG791226c6a [2019-11-28 15:45:07,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e838e98bc/1d62eacdd8c94e1286c599565e4e1ea4 [2019-11-28 15:45:07,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:45:07,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:45:07,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:45:07,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:45:07,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:45:07,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:07,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c88fd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07, skipping insertion in model container [2019-11-28 15:45:07,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:07,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:45:07,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:45:07,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:45:07,702 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:45:07,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:45:07,851 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:45:07,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07 WrapperNode [2019-11-28 15:45:07,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:45:07,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:45:07,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:45:07,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:45:07,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:07,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:07,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:45:07,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:45:07,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:45:07,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:45:07,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:07,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:07,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:07,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:07,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:08,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:08,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (1/1) ... [2019-11-28 15:45:08,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:45:08,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:45:08,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:45:08,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:45:08,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (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 [2019-11-28 15:45:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:45:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:45:09,404 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:45:09,405 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:45:09,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:09 BoogieIcfgContainer [2019-11-28 15:45:09,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:45:09,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:45:09,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:45:09,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:45:09,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:45:07" (1/3) ... [2019-11-28 15:45:09,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196304f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:45:09, skipping insertion in model container [2019-11-28 15:45:09,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:07" (2/3) ... [2019-11-28 15:45:09,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196304f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:45:09, skipping insertion in model container [2019-11-28 15:45:09,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:09" (3/3) ... [2019-11-28 15:45:09,418 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2019-11-28 15:45:09,430 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:45:09,439 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:45:09,453 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:45:09,486 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:45:09,487 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:45:09,487 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:45:09,487 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:45:09,488 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:45:09,488 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:45:09,488 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:45:09,488 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:45:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-28 15:45:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-28 15:45:09,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:09,530 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:09,530 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:09,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:09,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1695579141, now seen corresponding path program 1 times [2019-11-28 15:45:09,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:09,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166849789] [2019-11-28 15:45:09,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:10,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166849789] [2019-11-28 15:45:10,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:10,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:45:10,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104797814] [2019-11-28 15:45:10,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:10,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:10,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:10,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:45:10,061 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2019-11-28 15:45:11,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:11,082 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2019-11-28 15:45:11,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:11,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-11-28 15:45:11,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:11,110 INFO L225 Difference]: With dead ends: 601 [2019-11-28 15:45:11,110 INFO L226 Difference]: Without dead ends: 310 [2019-11-28 15:45:11,116 INFO L630 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 [2019-11-28 15:45:11,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-11-28 15:45:11,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-11-28 15:45:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-11-28 15:45:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2019-11-28 15:45:11,257 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 101 [2019-11-28 15:45:11,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:11,259 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2019-11-28 15:45:11,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:11,259 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2019-11-28 15:45:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-28 15:45:11,269 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:11,270 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:11,270 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:11,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:11,271 INFO L82 PathProgramCache]: Analyzing trace with hash -292589926, now seen corresponding path program 1 times [2019-11-28 15:45:11,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:11,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167722071] [2019-11-28 15:45:11,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:11,424 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167722071] [2019-11-28 15:45:11,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:11,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:11,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066052121] [2019-11-28 15:45:11,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:11,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:11,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:11,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:11,434 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 4 states. [2019-11-28 15:45:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:12,354 INFO L93 Difference]: Finished difference Result 1200 states and 1733 transitions. [2019-11-28 15:45:12,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:12,359 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-11-28 15:45:12,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:12,369 INFO L225 Difference]: With dead ends: 1200 [2019-11-28 15:45:12,369 INFO L226 Difference]: Without dead ends: 892 [2019-11-28 15:45:12,372 INFO L630 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 [2019-11-28 15:45:12,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2019-11-28 15:45:12,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 593. [2019-11-28 15:45:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-11-28 15:45:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 827 transitions. [2019-11-28 15:45:12,465 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 827 transitions. Word has length 119 [2019-11-28 15:45:12,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:12,465 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 827 transitions. [2019-11-28 15:45:12,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 827 transitions. [2019-11-28 15:45:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-28 15:45:12,476 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:12,476 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:12,477 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:12,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:12,477 INFO L82 PathProgramCache]: Analyzing trace with hash 566132794, now seen corresponding path program 1 times [2019-11-28 15:45:12,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:12,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208850205] [2019-11-28 15:45:12,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:12,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208850205] [2019-11-28 15:45:12,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:12,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:12,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654088828] [2019-11-28 15:45:12,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:12,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:12,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:12,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:12,613 INFO L87 Difference]: Start difference. First operand 593 states and 827 transitions. Second operand 4 states. [2019-11-28 15:45:13,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:13,589 INFO L93 Difference]: Finished difference Result 2316 states and 3244 transitions. [2019-11-28 15:45:13,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:13,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2019-11-28 15:45:13,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:13,600 INFO L225 Difference]: With dead ends: 2316 [2019-11-28 15:45:13,600 INFO L226 Difference]: Without dead ends: 1725 [2019-11-28 15:45:13,603 INFO L630 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 [2019-11-28 15:45:13,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-11-28 15:45:13,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1151. [2019-11-28 15:45:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2019-11-28 15:45:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1548 transitions. [2019-11-28 15:45:13,663 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1548 transitions. Word has length 120 [2019-11-28 15:45:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:13,664 INFO L462 AbstractCegarLoop]: Abstraction has 1151 states and 1548 transitions. [2019-11-28 15:45:13,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1548 transitions. [2019-11-28 15:45:13,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-28 15:45:13,668 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:13,669 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:13,669 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:13,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:13,670 INFO L82 PathProgramCache]: Analyzing trace with hash -157142321, now seen corresponding path program 1 times [2019-11-28 15:45:13,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:13,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533060723] [2019-11-28 15:45:13,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:13,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533060723] [2019-11-28 15:45:13,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:13,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:45:13,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498533296] [2019-11-28 15:45:13,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:13,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:13,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:13,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:13,760 INFO L87 Difference]: Start difference. First operand 1151 states and 1548 transitions. Second operand 4 states. [2019-11-28 15:45:14,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:14,935 INFO L93 Difference]: Finished difference Result 3563 states and 4698 transitions. [2019-11-28 15:45:14,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:14,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-11-28 15:45:14,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:14,946 INFO L225 Difference]: With dead ends: 3563 [2019-11-28 15:45:14,946 INFO L226 Difference]: Without dead ends: 2414 [2019-11-28 15:45:14,949 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:14,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-28 15:45:14,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2131. [2019-11-28 15:45:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2131 states. [2019-11-28 15:45:15,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2618 transitions. [2019-11-28 15:45:15,001 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2618 transitions. Word has length 123 [2019-11-28 15:45:15,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:15,002 INFO L462 AbstractCegarLoop]: Abstraction has 2131 states and 2618 transitions. [2019-11-28 15:45:15,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2618 transitions. [2019-11-28 15:45:15,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-28 15:45:15,006 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:15,006 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:15,007 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:15,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:15,007 INFO L82 PathProgramCache]: Analyzing trace with hash -920596231, now seen corresponding path program 1 times [2019-11-28 15:45:15,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:15,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518862956] [2019-11-28 15:45:15,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 15:45:15,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518862956] [2019-11-28 15:45:15,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:15,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:45:15,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936769074] [2019-11-28 15:45:15,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:15,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:15,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:15,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:15,127 INFO L87 Difference]: Start difference. First operand 2131 states and 2618 transitions. Second operand 4 states. [2019-11-28 15:45:16,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:16,031 INFO L93 Difference]: Finished difference Result 5105 states and 6307 transitions. [2019-11-28 15:45:16,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:16,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-11-28 15:45:16,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:16,044 INFO L225 Difference]: With dead ends: 5105 [2019-11-28 15:45:16,044 INFO L226 Difference]: Without dead ends: 2414 [2019-11-28 15:45:16,049 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:16,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-28 15:45:16,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2410. [2019-11-28 15:45:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2410 states. [2019-11-28 15:45:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 2692 transitions. [2019-11-28 15:45:16,107 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 2692 transitions. Word has length 128 [2019-11-28 15:45:16,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:16,108 INFO L462 AbstractCegarLoop]: Abstraction has 2410 states and 2692 transitions. [2019-11-28 15:45:16,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2692 transitions. [2019-11-28 15:45:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-28 15:45:16,114 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:16,115 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:16,115 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:16,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:16,116 INFO L82 PathProgramCache]: Analyzing trace with hash -91008860, now seen corresponding path program 1 times [2019-11-28 15:45:16,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:16,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998759959] [2019-11-28 15:45:16,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-28 15:45:16,215 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998759959] [2019-11-28 15:45:16,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:16,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:16,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210108225] [2019-11-28 15:45:16,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:16,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:16,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:16,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:16,218 INFO L87 Difference]: Start difference. First operand 2410 states and 2692 transitions. Second operand 4 states. [2019-11-28 15:45:16,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:16,686 INFO L93 Difference]: Finished difference Result 4526 states and 5047 transitions. [2019-11-28 15:45:16,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:16,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2019-11-28 15:45:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:16,699 INFO L225 Difference]: With dead ends: 4526 [2019-11-28 15:45:16,699 INFO L226 Difference]: Without dead ends: 2117 [2019-11-28 15:45:16,703 INFO L630 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 [2019-11-28 15:45:16,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2019-11-28 15:45:16,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 1557. [2019-11-28 15:45:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2019-11-28 15:45:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1702 transitions. [2019-11-28 15:45:16,744 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1702 transitions. Word has length 140 [2019-11-28 15:45:16,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:16,744 INFO L462 AbstractCegarLoop]: Abstraction has 1557 states and 1702 transitions. [2019-11-28 15:45:16,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:16,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1702 transitions. [2019-11-28 15:45:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-28 15:45:16,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:16,750 INFO L410 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, 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] [2019-11-28 15:45:16,751 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:16,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:16,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1260894349, now seen corresponding path program 1 times [2019-11-28 15:45:16,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:16,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695413197] [2019-11-28 15:45:16,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:17,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695413197] [2019-11-28 15:45:17,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:17,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 15:45:17,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696572863] [2019-11-28 15:45:17,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 15:45:17,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:17,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 15:45:17,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-28 15:45:17,218 INFO L87 Difference]: Start difference. First operand 1557 states and 1702 transitions. Second operand 7 states. [2019-11-28 15:45:18,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:18,486 INFO L93 Difference]: Finished difference Result 3266 states and 3576 transitions. [2019-11-28 15:45:18,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 15:45:18,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2019-11-28 15:45:18,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:18,495 INFO L225 Difference]: With dead ends: 3266 [2019-11-28 15:45:18,496 INFO L226 Difference]: Without dead ends: 1571 [2019-11-28 15:45:18,499 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:45:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2019-11-28 15:45:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1417. [2019-11-28 15:45:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2019-11-28 15:45:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1553 transitions. [2019-11-28 15:45:18,542 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1553 transitions. Word has length 169 [2019-11-28 15:45:18,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:18,543 INFO L462 AbstractCegarLoop]: Abstraction has 1417 states and 1553 transitions. [2019-11-28 15:45:18,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 15:45:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1553 transitions. [2019-11-28 15:45:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-28 15:45:18,551 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:18,551 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:18,552 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:18,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:18,553 INFO L82 PathProgramCache]: Analyzing trace with hash 992818194, now seen corresponding path program 1 times [2019-11-28 15:45:18,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:18,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723271652] [2019-11-28 15:45:18,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:18,816 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:18,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723271652] [2019-11-28 15:45:18,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:18,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:45:18,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522187051] [2019-11-28 15:45:18,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:18,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:18,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:18,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:18,820 INFO L87 Difference]: Start difference. First operand 1417 states and 1553 transitions. Second operand 4 states. [2019-11-28 15:45:19,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:19,964 INFO L93 Difference]: Finished difference Result 2691 states and 2953 transitions. [2019-11-28 15:45:19,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:19,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2019-11-28 15:45:19,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:19,972 INFO L225 Difference]: With dead ends: 2691 [2019-11-28 15:45:19,972 INFO L226 Difference]: Without dead ends: 1136 [2019-11-28 15:45:19,975 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2019-11-28 15:45:20,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1135. [2019-11-28 15:45:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2019-11-28 15:45:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1216 transitions. [2019-11-28 15:45:20,012 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1216 transitions. Word has length 178 [2019-11-28 15:45:20,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:20,012 INFO L462 AbstractCegarLoop]: Abstraction has 1135 states and 1216 transitions. [2019-11-28 15:45:20,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:20,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1216 transitions. [2019-11-28 15:45:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-28 15:45:20,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:20,020 INFO L410 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-28 15:45:20,020 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:20,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:20,021 INFO L82 PathProgramCache]: Analyzing trace with hash -751837008, now seen corresponding path program 1 times [2019-11-28 15:45:20,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:20,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932461830] [2019-11-28 15:45:20,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-28 15:45:20,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932461830] [2019-11-28 15:45:20,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:20,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:20,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882631721] [2019-11-28 15:45:20,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:20,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:20,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:20,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:45:20,335 INFO L87 Difference]: Start difference. First operand 1135 states and 1216 transitions. Second operand 3 states. [2019-11-28 15:45:20,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:20,786 INFO L93 Difference]: Finished difference Result 2268 states and 2425 transitions. [2019-11-28 15:45:20,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:20,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-28 15:45:20,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:20,787 INFO L225 Difference]: With dead ends: 2268 [2019-11-28 15:45:20,787 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:45:20,790 INFO L630 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 [2019-11-28 15:45:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:45:20,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:45:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:45:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:45:20,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2019-11-28 15:45:20,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:20,791 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:45:20,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:45:20,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:45:20,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:45:21,180 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2019-11-28 15:45:21,459 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2019-11-28 15:45:21,463 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,463 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,463 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,463 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-28 15:45:21,464 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-28 15:45:21,464 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-28 15:45:21,464 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-28 15:45:21,464 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-28 15:45:21,464 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-28 15:45:21,464 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-28 15:45:21,464 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,465 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,465 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,465 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-28 15:45:21,465 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-28 15:45:21,465 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-28 15:45:21,465 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-28 15:45:21,465 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:21,465 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:21,466 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-28 15:45:21,466 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,466 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,475 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,475 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-28 15:45:21,476 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-28 15:45:21,476 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-28 15:45:21,476 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 15:45:21,476 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-28 15:45:21,476 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,477 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,477 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,477 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-28 15:45:21,477 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-28 15:45:21,478 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-28 15:45:21,478 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-28 15:45:21,478 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-28 15:45:21,478 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-28 15:45:21,478 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-28 15:45:21,479 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-28 15:45:21,479 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,479 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,479 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,479 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-28 15:45:21,479 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-28 15:45:21,480 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-28 15:45:21,480 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 15:45:21,480 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-28 15:45:21,480 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-28 15:45:21,480 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-28 15:45:21,483 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-28 15:45:21,483 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,483 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,483 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,483 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:21,484 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:21,484 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:21,484 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:21,484 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-28 15:45:21,484 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-28 15:45:21,485 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 15:45:21,485 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-28 15:45:21,485 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-28 15:45:21,485 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,488 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,488 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,488 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-28 15:45:21,488 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-28 15:45:21,489 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-28 15:45:21,489 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-28 15:45:21,489 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-28 15:45:21,489 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-28 15:45:21,489 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,489 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,490 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,490 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-28 15:45:21,490 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-28 15:45:21,490 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-28 15:45:21,490 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-28 15:45:21,491 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-28 15:45:21,491 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:45:21,493 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-28 15:45:21,493 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-28 15:45:21,494 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-28 15:45:21,494 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,494 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,494 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,494 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-28 15:45:21,495 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-28 15:45:21,495 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 15:45:21,495 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-28 15:45:21,495 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-28 15:45:21,495 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,495 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,496 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,496 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-28 15:45:21,496 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-28 15:45:21,496 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-28 15:45:21,496 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-28 15:45:21,496 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-28 15:45:21,497 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-28 15:45:21,497 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:21,497 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:21,497 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-28 15:45:21,497 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-28 15:45:21,497 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:45:21,498 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2019-11-28 15:45:21,498 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-28 15:45:21,498 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,498 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,498 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-28 15:45:21,499 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 15:45:21,499 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-28 15:45:21,499 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 15:45:21,499 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-28 15:45:21,499 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-28 15:45:21,500 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:21,500 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:21,500 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-28 15:45:21,501 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse8 (= ~a28~0 9)) (.cse9 (= ~a11~0 1)) (.cse7 (= ~a25~0 1))) (let ((.cse4 (= ~a28~0 10)) (.cse0 (not .cse7)) (.cse5 (= ~a19~0 1)) (.cse1 (= ~a17~0 8)) (.cse10 (not .cse9)) (.cse2 (not .cse8)) (.cse3 (not (= ~a28~0 11))) (.cse6 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5) (and .cse5 .cse6 .cse7 .cse3) (and .cse8 .cse1 .cse5) (and .cse4 .cse0 .cse9 .cse6) (and .cse5 .cse1 .cse10 .cse7) (and .cse1 .cse10 .cse2 .cse3) (and .cse8 .cse7 .cse6)))) [2019-11-28 15:45:21,502 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,502 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,502 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-28 15:45:21,502 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-28 15:45:21,503 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-28 15:45:21,503 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-28 15:45:21,503 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:21,503 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:21,503 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-28 15:45:21,503 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,504 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,504 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-28 15:45:21,504 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 15:45:21,504 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-28 15:45:21,504 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-28 15:45:21,505 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-28 15:45:21,505 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-28 15:45:21,505 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:21,505 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:21,505 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-28 15:45:21,505 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,506 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,506 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:21,506 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:21,506 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-28 15:45:21,506 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-28 15:45:21,507 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-28 15:45:21,507 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-28 15:45:21,507 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse8 (= ~a28~0 9)) (.cse9 (= ~a11~0 1)) (.cse7 (= ~a25~0 1))) (let ((.cse4 (= ~a28~0 10)) (.cse0 (not .cse7)) (.cse5 (= ~a19~0 1)) (.cse1 (= ~a17~0 8)) (.cse10 (not .cse9)) (.cse2 (not .cse8)) (.cse3 (not (= ~a28~0 11))) (.cse6 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5) (and .cse5 .cse6 .cse7 .cse3) (and .cse8 .cse1 .cse5) (and .cse4 .cse0 .cse9 .cse6) (and .cse5 .cse1 .cse10 .cse7) (and .cse1 .cse10 .cse2 .cse3) (and .cse8 .cse7 .cse6)))) [2019-11-28 15:45:21,507 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,507 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,508 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-28 15:45:21,508 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-28 15:45:21,508 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-28 15:45:21,508 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-28 15:45:21,508 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-28 15:45:21,508 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,509 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,509 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-28 15:45:21,509 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-28 15:45:21,509 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-28 15:45:21,509 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-28 15:45:21,509 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-28 15:45:21,510 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-28 15:45:21,510 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-28 15:45:21,510 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:21,510 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:21,510 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,510 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,511 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-28 15:45:21,511 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,511 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 15:45:21,511 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-28 15:45:21,511 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-28 15:45:21,511 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-28 15:45:21,512 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-28 15:45:21,512 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:45:21,512 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-28 15:45:21,512 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,512 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,512 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,513 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-28 15:45:21,513 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-28 15:45:21,513 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-28 15:45:21,513 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-28 15:45:21,513 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-28 15:45:21,513 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,514 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,514 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,514 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-28 15:45:21,514 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-28 15:45:21,514 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-28 15:45:21,514 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-28 15:45:21,515 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-28 15:45:21,515 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-28 15:45:21,515 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,515 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,515 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,515 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-28 15:45:21,516 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-28 15:45:21,516 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-28 15:45:21,516 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 15:45:21,516 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-28 15:45:21,516 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-28 15:45:21,516 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:45:21,517 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-28 15:45:21,517 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-28 15:45:21,517 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,517 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,517 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,517 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-28 15:45:21,518 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-28 15:45:21,518 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-28 15:45:21,518 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-28 15:45:21,518 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-28 15:45:21,518 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,518 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,519 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:21,519 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-28 15:45:21,519 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-28 15:45:21,519 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-28 15:45:21,519 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-28 15:45:21,519 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-28 15:45:21,520 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-28 15:45:21,520 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:21,520 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-28 15:45:21,520 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:21,520 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-28 15:45:21,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:45:21 BoogieIcfgContainer [2019-11-28 15:45:21,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:45:21,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:45:21,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:45:21,568 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:45:21,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:09" (3/4) ... [2019-11-28 15:45:21,574 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:45:21,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:45:21,615 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:45:21,832 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:45:21,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:45:21,834 INFO L168 Benchmark]: Toolchain (without parser) took 14772.95 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 374.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 201.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:21,835 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:45:21,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:21,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:21,836 INFO L168 Benchmark]: Boogie Preprocessor took 90.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:21,837 INFO L168 Benchmark]: RCFGBuilder took 1366.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 955.8 MB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:21,837 INFO L168 Benchmark]: TraceAbstraction took 12158.55 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 270.5 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -195.7 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:21,837 INFO L168 Benchmark]: Witness Printer took 265.68 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:21,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 787.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1366.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 955.8 MB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12158.55 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 270.5 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -195.7 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. * Witness Printer took 265.68 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(a25 == 1) && a17 == 8) && !(a28 == 9)) && !(a28 == 11)) || (a28 == 10 && a19 == 1)) || (((a19 == 1 && a17 <= 8) && a25 == 1) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a19 == 1)) || (((a28 == 10 && !(a25 == 1)) && a11 == 1) && a17 <= 8)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a25 == 1)) || (((a17 == 8 && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11))) || ((a28 == 9 && a25 == 1) && a17 <= 8) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((!(a25 == 1) && a17 == 8) && !(a28 == 9)) && !(a28 == 11)) || (a28 == 10 && a19 == 1)) || (((a19 == 1 && a17 <= 8) && a25 == 1) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a19 == 1)) || (((a28 == 10 && !(a25 == 1)) && a11 == 1) && a17 <= 8)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a25 == 1)) || (((a17 == 8 && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11))) || ((a28 == 9 && a25 == 1) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 11.3s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 803 SDtfs, 2334 SDslu, 259 SDs, 0 SdLazy, 5614 SolverSat, 808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 1875 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 205 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1442 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 822 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1277 NumberOfCodeBlocks, 1277 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 617302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 420/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...