./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 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/Problem10_label09.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd67834e8971a579ed0a849416006fd592ec6188 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 20:59:08,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:59:08,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:59:08,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:59:08,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:59:08,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:59:08,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:59:08,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:59:08,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:59:08,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:59:08,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:59:08,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:59:08,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:59:08,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:59:08,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:59:08,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:59:08,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:59:08,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:59:08,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:59:08,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:59:08,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:59:08,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:59:08,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:59:08,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:59:08,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:59:08,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:59:08,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:59:08,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:59:08,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:59:08,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:59:08,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:59:08,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:59:08,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:59:08,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:59:08,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:59:08,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:59:08,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:59:08,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:59:08,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:59:08,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:59:08,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:59:08,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 20:59:08,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:59:08,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:59:08,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:59:08,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:59:08,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:59:08,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:59:08,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:59:08,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:59:08,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:59:08,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:59:08,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 20:59:08,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 20:59:08,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 20:59:08,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:59:08,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:59:08,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:59:08,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 20:59:08,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:59:08,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:59:08,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 20:59:08,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 20:59:08,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 20:59:08,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:59:08,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 20:59:08,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 20:59:08,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:59:08,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 20:59:08,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 20:59:08,839 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 -> bd67834e8971a579ed0a849416006fd592ec6188 [2019-11-19 20:59:09,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:59:09,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:59:09,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:59:09,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:59:09,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:59:09,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2019-11-19 20:59:09,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/411dabb28/39bd3ee9eaf94fd3b4ae809b06b66500/FLAG9d4769a07 [2019-11-19 20:59:09,913 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:59:09,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2019-11-19 20:59:09,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/411dabb28/39bd3ee9eaf94fd3b4ae809b06b66500/FLAG9d4769a07 [2019-11-19 20:59:10,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/411dabb28/39bd3ee9eaf94fd3b4ae809b06b66500 [2019-11-19 20:59:10,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:59:10,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:59:10,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:59:10,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:59:10,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:59:10,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:10" (1/1) ... [2019-11-19 20:59:10,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cc4f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:10, skipping insertion in model container [2019-11-19 20:59:10,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:10" (1/1) ... [2019-11-19 20:59:10,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:59:10,331 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:59:10,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:59:10,819 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:59:11,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:59:11,040 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:59:11,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11 WrapperNode [2019-11-19 20:59:11,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:59:11,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:59:11,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:59:11,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:59:11,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:59:11,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:59:11,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:59:11,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:59:11,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (1/1) ... [2019-11-19 20:59:11,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:59:11,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:59:11,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:59:11,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:59:11,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (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 [2019-11-19 20:59:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:59:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:59:12,674 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:59:12,674 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 20:59:12,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:12 BoogieIcfgContainer [2019-11-19 20:59:12,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:59:12,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 20:59:12,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 20:59:12,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 20:59:12,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:59:10" (1/3) ... [2019-11-19 20:59:12,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd32357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:59:12, skipping insertion in model container [2019-11-19 20:59:12,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:11" (2/3) ... [2019-11-19 20:59:12,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd32357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:59:12, skipping insertion in model container [2019-11-19 20:59:12,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:12" (3/3) ... [2019-11-19 20:59:12,691 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2019-11-19 20:59:12,705 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 20:59:12,714 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 20:59:12,729 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 20:59:12,763 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 20:59:12,763 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 20:59:12,763 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 20:59:12,763 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:59:12,763 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:59:12,764 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 20:59:12,764 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:59:12,764 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 20:59:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-19 20:59:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 20:59:12,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:12,802 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] [2019-11-19 20:59:12,803 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:12,811 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2019-11-19 20:59:12,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:12,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131714234] [2019-11-19 20:59:12,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:13,148 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131714234] [2019-11-19 20:59:13,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:13,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:13,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769963647] [2019-11-19 20:59:13,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:13,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:13,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:13,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:13,182 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-19 20:59:15,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:15,052 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-19 20:59:15,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:15,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-11-19 20:59:15,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:15,076 INFO L225 Difference]: With dead ends: 709 [2019-11-19 20:59:15,078 INFO L226 Difference]: Without dead ends: 421 [2019-11-19 20:59:15,085 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 [2019-11-19 20:59:15,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-19 20:59:15,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-19 20:59:15,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-19 20:59:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2019-11-19 20:59:15,163 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 56 [2019-11-19 20:59:15,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:15,164 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2019-11-19 20:59:15,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2019-11-19 20:59:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-19 20:59:15,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:15,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:15,171 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:15,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:15,171 INFO L82 PathProgramCache]: Analyzing trace with hash -374097100, now seen corresponding path program 1 times [2019-11-19 20:59:15,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:15,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139256991] [2019-11-19 20:59:15,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:15,331 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139256991] [2019-11-19 20:59:15,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:15,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:15,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437331909] [2019-11-19 20:59:15,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:15,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:15,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:15,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:15,340 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 4 states. [2019-11-19 20:59:16,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:16,269 INFO L93 Difference]: Finished difference Result 1118 states and 1640 transitions. [2019-11-19 20:59:16,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:16,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-11-19 20:59:16,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:16,276 INFO L225 Difference]: With dead ends: 1118 [2019-11-19 20:59:16,276 INFO L226 Difference]: Without dead ends: 838 [2019-11-19 20:59:16,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:16,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-19 20:59:16,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-19 20:59:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-19 20:59:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 970 transitions. [2019-11-19 20:59:16,323 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 970 transitions. Word has length 126 [2019-11-19 20:59:16,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:16,324 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 970 transitions. [2019-11-19 20:59:16,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 970 transitions. [2019-11-19 20:59:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-19 20:59:16,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:16,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:16,332 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:16,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:16,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1619344244, now seen corresponding path program 1 times [2019-11-19 20:59:16,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:16,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531452954] [2019-11-19 20:59:16,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:16,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531452954] [2019-11-19 20:59:16,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865335398] [2019-11-19 20:59:16,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 20:59:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:16,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:59:16,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:59:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:16,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 20:59:16,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-19 20:59:16,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593924483] [2019-11-19 20:59:16,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 20:59:16,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:16,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:59:16,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-19 20:59:16,887 INFO L87 Difference]: Start difference. First operand 699 states and 970 transitions. Second operand 3 states. [2019-11-19 20:59:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:17,666 INFO L93 Difference]: Finished difference Result 1674 states and 2337 transitions. [2019-11-19 20:59:17,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:59:17,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-11-19 20:59:17,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:17,673 INFO L225 Difference]: With dead ends: 1674 [2019-11-19 20:59:17,674 INFO L226 Difference]: Without dead ends: 977 [2019-11-19 20:59:17,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-19 20:59:17,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-19 20:59:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-19 20:59:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-19 20:59:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1323 transitions. [2019-11-19 20:59:17,723 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1323 transitions. Word has length 131 [2019-11-19 20:59:17,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:17,725 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1323 transitions. [2019-11-19 20:59:17,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 20:59:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1323 transitions. [2019-11-19 20:59:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-19 20:59:17,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:17,736 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:17,950 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 20:59:17,950 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:17,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:17,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1769594780, now seen corresponding path program 1 times [2019-11-19 20:59:17,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:17,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695015515] [2019-11-19 20:59:17,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:18,105 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695015515] [2019-11-19 20:59:18,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:18,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:18,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826490126] [2019-11-19 20:59:18,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:18,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:18,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:18,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:18,107 INFO L87 Difference]: Start difference. First operand 977 states and 1323 transitions. Second operand 4 states. [2019-11-19 20:59:19,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:19,046 INFO L93 Difference]: Finished difference Result 3203 states and 4261 transitions. [2019-11-19 20:59:19,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:19,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2019-11-19 20:59:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:19,058 INFO L225 Difference]: With dead ends: 3203 [2019-11-19 20:59:19,059 INFO L226 Difference]: Without dead ends: 2228 [2019-11-19 20:59:19,062 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2019-11-19 20:59:19,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1533. [2019-11-19 20:59:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2019-11-19 20:59:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1888 transitions. [2019-11-19 20:59:19,102 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1888 transitions. Word has length 147 [2019-11-19 20:59:19,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:19,103 INFO L462 AbstractCegarLoop]: Abstraction has 1533 states and 1888 transitions. [2019-11-19 20:59:19,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1888 transitions. [2019-11-19 20:59:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-19 20:59:19,108 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:19,108 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:19,109 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:19,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:19,109 INFO L82 PathProgramCache]: Analyzing trace with hash 2080572887, now seen corresponding path program 1 times [2019-11-19 20:59:19,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:19,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814505838] [2019-11-19 20:59:19,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-19 20:59:19,296 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814505838] [2019-11-19 20:59:19,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:19,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 20:59:19,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860899687] [2019-11-19 20:59:19,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 20:59:19,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:19,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 20:59:19,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:59:19,299 INFO L87 Difference]: Start difference. First operand 1533 states and 1888 transitions. Second operand 5 states. [2019-11-19 20:59:20,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:20,986 INFO L93 Difference]: Finished difference Result 4871 states and 5977 transitions. [2019-11-19 20:59:20,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 20:59:20,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2019-11-19 20:59:20,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:21,007 INFO L225 Difference]: With dead ends: 4871 [2019-11-19 20:59:21,007 INFO L226 Difference]: Without dead ends: 3340 [2019-11-19 20:59:21,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:59:21,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2019-11-19 20:59:21,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2645. [2019-11-19 20:59:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2019-11-19 20:59:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3166 transitions. [2019-11-19 20:59:21,068 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3166 transitions. Word has length 223 [2019-11-19 20:59:21,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:21,068 INFO L462 AbstractCegarLoop]: Abstraction has 2645 states and 3166 transitions. [2019-11-19 20:59:21,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 20:59:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3166 transitions. [2019-11-19 20:59:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-19 20:59:21,075 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:21,075 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:21,075 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:21,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:21,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1447619414, now seen corresponding path program 1 times [2019-11-19 20:59:21,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:21,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813452813] [2019-11-19 20:59:21,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:21,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813452813] [2019-11-19 20:59:21,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:21,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 20:59:21,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466124658] [2019-11-19 20:59:21,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:21,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:21,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:21,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:21,315 INFO L87 Difference]: Start difference. First operand 2645 states and 3166 transitions. Second operand 4 states. [2019-11-19 20:59:22,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:22,338 INFO L93 Difference]: Finished difference Result 5983 states and 7202 transitions. [2019-11-19 20:59:22,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:22,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-11-19 20:59:22,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:22,355 INFO L225 Difference]: With dead ends: 5983 [2019-11-19 20:59:22,356 INFO L226 Difference]: Without dead ends: 3340 [2019-11-19 20:59:22,360 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:22,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2019-11-19 20:59:22,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2923. [2019-11-19 20:59:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2923 states. [2019-11-19 20:59:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 3445 transitions. [2019-11-19 20:59:22,429 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 3445 transitions. Word has length 260 [2019-11-19 20:59:22,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:22,430 INFO L462 AbstractCegarLoop]: Abstraction has 2923 states and 3445 transitions. [2019-11-19 20:59:22,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:22,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3445 transitions. [2019-11-19 20:59:22,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-19 20:59:22,437 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:22,438 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:22,439 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:22,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:22,440 INFO L82 PathProgramCache]: Analyzing trace with hash -68619625, now seen corresponding path program 1 times [2019-11-19 20:59:22,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:22,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916735537] [2019-11-19 20:59:22,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:22,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916735537] [2019-11-19 20:59:22,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:22,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 20:59:22,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189334644] [2019-11-19 20:59:22,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 20:59:22,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:22,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 20:59:22,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:59:22,705 INFO L87 Difference]: Start difference. First operand 2923 states and 3445 transitions. Second operand 5 states. [2019-11-19 20:59:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:24,025 INFO L93 Difference]: Finished difference Result 7373 states and 8583 transitions. [2019-11-19 20:59:24,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 20:59:24,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268 [2019-11-19 20:59:24,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:24,038 INFO L225 Difference]: With dead ends: 7373 [2019-11-19 20:59:24,039 INFO L226 Difference]: Without dead ends: 2645 [2019-11-19 20:59:24,044 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:59:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-11-19 20:59:24,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2367. [2019-11-19 20:59:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2019-11-19 20:59:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2650 transitions. [2019-11-19 20:59:24,090 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2650 transitions. Word has length 268 [2019-11-19 20:59:24,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:24,091 INFO L462 AbstractCegarLoop]: Abstraction has 2367 states and 2650 transitions. [2019-11-19 20:59:24,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 20:59:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2650 transitions. [2019-11-19 20:59:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-11-19 20:59:24,099 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:24,099 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:24,099 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:24,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:24,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1078107625, now seen corresponding path program 1 times [2019-11-19 20:59:24,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:24,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040177693] [2019-11-19 20:59:24,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-19 20:59:24,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040177693] [2019-11-19 20:59:24,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:24,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 20:59:24,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529746154] [2019-11-19 20:59:24,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:24,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:24,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:24,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:24,299 INFO L87 Difference]: Start difference. First operand 2367 states and 2650 transitions. Second operand 4 states. [2019-11-19 20:59:24,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:24,949 INFO L93 Difference]: Finished difference Result 2367 states and 2650 transitions. [2019-11-19 20:59:24,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:24,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 334 [2019-11-19 20:59:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:24,951 INFO L225 Difference]: With dead ends: 2367 [2019-11-19 20:59:24,951 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 20:59:24,954 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 [2019-11-19 20:59:24,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 20:59:24,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 20:59:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 20:59:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 20:59:24,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 334 [2019-11-19 20:59:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:24,955 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:59:24,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 20:59:24,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 20:59:24,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 20:59:25,324 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2019-11-19 20:59:25,605 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2019-11-19 20:59:25,611 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-19 20:59:25,612 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,612 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,612 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,612 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,612 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,612 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,613 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-19 20:59:25,613 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-19 20:59:25,613 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-19 20:59:25,613 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-19 20:59:25,613 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-19 20:59:25,613 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-19 20:59:25,615 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-19 20:59:25,615 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-19 20:59:25,615 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-19 20:59:25,615 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-19 20:59:25,615 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-19 20:59:25,615 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,616 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,616 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,616 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,616 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,616 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-19 20:59:25,616 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-19 20:59:25,616 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-19 20:59:25,616 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-19 20:59:25,617 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-19 20:59:25,617 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-19 20:59:25,617 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-19 20:59:25,617 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-19 20:59:25,617 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-19 20:59:25,617 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-19 20:59:25,617 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-19 20:59:25,617 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-19 20:59:25,618 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-19 20:59:25,618 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-19 20:59:25,618 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,618 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,618 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,618 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,618 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,619 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-19 20:59:25,619 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-19 20:59:25,619 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-19 20:59:25,619 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-19 20:59:25,619 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-19 20:59:25,619 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-19 20:59:25,620 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 38)) (.cse2 (not (= 10 ~a19~0)))) (let ((.cse3 (and .cse1 .cse2)) (.cse0 (not (= ~a10~0 3)))) (or (and .cse0 .cse1 .cse2) (<= ~a10~0 1) (= 9 ~a19~0) (and (= ~a10~0 2) (= ~a19~0 7)) (and .cse3 (< 0 (+ ~a1~0 13))) (and (not (= ~a19~0 6)) .cse3) (and .cse0 (= ~a19~0 8))))) [2019-11-19 20:59:25,620 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-19 20:59:25,620 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-19 20:59:25,620 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-19 20:59:25,620 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-19 20:59:25,620 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,621 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,621 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,621 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,621 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,621 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-19 20:59:25,621 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-19 20:59:25,621 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-19 20:59:25,621 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-19 20:59:25,622 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-19 20:59:25,622 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-19 20:59:25,622 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-19 20:59:25,622 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-19 20:59:25,622 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-19 20:59:25,622 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-19 20:59:25,622 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-19 20:59:25,622 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-19 20:59:25,623 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-19 20:59:25,625 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-19 20:59:25,625 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,625 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,625 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,625 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,626 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,626 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-19 20:59:25,626 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-19 20:59:25,626 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-19 20:59:25,626 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-19 20:59:25,626 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-19 20:59:25,626 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-19 20:59:25,626 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-19 20:59:25,627 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-19 20:59:25,627 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-19 20:59:25,627 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,627 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,627 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,627 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,627 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,627 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-19 20:59:25,628 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-19 20:59:25,631 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-19 20:59:25,631 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-19 20:59:25,631 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-19 20:59:25,631 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-19 20:59:25,631 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-19 20:59:25,632 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-19 20:59:25,632 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 20:59:25,632 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-19 20:59:25,632 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-19 20:59:25,632 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 20:59:25,632 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-19 20:59:25,632 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 38)) (.cse2 (not (= 10 ~a19~0)))) (let ((.cse3 (and .cse1 .cse2)) (.cse0 (not (= ~a10~0 3)))) (or (and .cse0 .cse1 .cse2) (<= ~a10~0 1) (= 9 ~a19~0) (and (= ~a10~0 2) (= ~a19~0 7)) (and .cse3 (< 0 (+ ~a1~0 13))) (and (not (= ~a19~0 6)) .cse3) (and .cse0 (= ~a19~0 8))))) [2019-11-19 20:59:25,633 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-19 20:59:25,633 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,633 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,633 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,633 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,633 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-19 20:59:25,633 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,634 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,638 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-19 20:59:25,638 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-19 20:59:25,642 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-19 20:59:25,642 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-19 20:59:25,643 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-19 20:59:25,643 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-19 20:59:25,643 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-19 20:59:25,643 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-19 20:59:25,643 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 20:59:25,644 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-19 20:59:25,644 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-19 20:59:25,644 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-19 20:59:25,644 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-19 20:59:25,645 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,646 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,647 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,647 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,647 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,647 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,648 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-19 20:59:25,648 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-19 20:59:25,648 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-19 20:59:25,648 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 20:59:25,648 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-19 20:59:25,649 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-19 20:59:25,649 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-19 20:59:25,649 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-19 20:59:25,649 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-19 20:59:25,650 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 20:59:25,650 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-19 20:59:25,650 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-19 20:59:25,650 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-19 20:59:25,651 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-19 20:59:25,651 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-19 20:59:25,651 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-19 20:59:25,651 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,651 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,652 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,652 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,652 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,652 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,652 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-19 20:59:25,653 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-19 20:59:25,653 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-19 20:59:25,653 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-19 20:59:25,653 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-19 20:59:25,654 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-19 20:59:25,654 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 20:59:25,654 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-19 20:59:25,654 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-19 20:59:25,654 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-19 20:59:25,655 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-19 20:59:25,660 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-19 20:59:25,660 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-19 20:59:25,661 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-19 20:59:25,661 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,661 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,661 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,661 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,662 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,662 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,662 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-19 20:59:25,662 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-19 20:59:25,662 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-19 20:59:25,663 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-19 20:59:25,663 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-19 20:59:25,663 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-19 20:59:25,663 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-19 20:59:25,664 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-19 20:59:25,664 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-19 20:59:25,664 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-19 20:59:25,664 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-19 20:59:25,664 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 20:59:25,665 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2019-11-19 20:59:25,665 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-19 20:59:25,665 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,665 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,666 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,666 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,666 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,666 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:25,666 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-19 20:59:25,667 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-19 20:59:25,667 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-19 20:59:25,667 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-19 20:59:25,667 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-19 20:59:25,667 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-19 20:59:25,668 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-19 20:59:25,668 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-19 20:59:25,668 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-19 20:59:25,668 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-19 20:59:25,669 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-19 20:59:25,669 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-19 20:59:25,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:59:25 BoogieIcfgContainer [2019-11-19 20:59:25,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 20:59:25,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:59:25,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:59:25,716 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:59:25,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:12" (3/4) ... [2019-11-19 20:59:25,722 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 20:59:25,768 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 20:59:25,769 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 20:59:26,043 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:59:26,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:59:26,045 INFO L168 Benchmark]: Toolchain (without parser) took 15793.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 400.0 MB). Free memory was 955.0 MB in the beginning and 788.3 MB in the end (delta: 166.7 MB). Peak memory consumption was 566.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:26,045 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:59:26,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:26,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.94 ms. Allocated memory is still 1.2 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. [2019-11-19 20:59:26,047 INFO L168 Benchmark]: Boogie Preprocessor took 104.01 ms. Allocated memory is still 1.2 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. [2019-11-19 20:59:26,047 INFO L168 Benchmark]: RCFGBuilder took 1391.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.2 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:26,047 INFO L168 Benchmark]: TraceAbstraction took 13035.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 276.8 MB). Free memory was 976.2 MB in the beginning and 809.1 MB in the end (delta: 167.1 MB). Peak memory consumption was 444.0 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:26,048 INFO L168 Benchmark]: Witness Printer took 327.22 ms. Allocated memory is still 1.4 GB. Free memory was 809.1 MB in the beginning and 788.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:26,050 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 790.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 137.94 ms. Allocated memory is still 1.2 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 104.01 ms. Allocated memory is still 1.2 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 1391.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.2 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13035.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 276.8 MB). Free memory was 976.2 MB in the beginning and 809.1 MB in the end (delta: 167.1 MB). Peak memory consumption was 444.0 MB. Max. memory is 11.5 GB. * Witness Printer took 327.22 ms. Allocated memory is still 1.4 GB. Free memory was 809.1 MB in the beginning and 788.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 582]: Loop Invariant Derived loop invariant: (((((((!(a10 == 3) && a1 <= 38) && !(10 == a19)) || a10 <= 1) || 9 == a19) || (a10 == 2 && a19 == 7)) || ((a1 <= 38 && !(10 == a19)) && 0 < a1 + 13)) || (!(a19 == 6) && a1 <= 38 && !(10 == a19))) || (!(a10 == 3) && a19 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((!(a10 == 3) && a1 <= 38) && !(10 == a19)) || a10 <= 1) || 9 == a19) || (a10 == 2 && a19 == 7)) || ((a1 <= 38 && !(10 == a19)) && 0 < a1 + 13)) || (!(a19 == 6) && a1 <= 38 && !(10 == a19))) || (!(a10 == 3) && a19 == 8) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 12.9s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 451 SDtfs, 2043 SDslu, 87 SDs, 0 SdLazy, 5835 SolverSat, 882 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2923occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 2363 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 66 NumberOfFragments, 123 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1106 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2060 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1676 NumberOfCodeBlocks, 1676 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1667 ConstructedInterpolants, 0 QuantifiedInterpolants, 977427 SizeOfPredicates, 1 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1142/1143 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...