./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label54.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7013b5440d15c52781747fe18e114861ef321ee3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:40:37,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:40:37,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:40:37,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:40:37,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:40:37,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:40:37,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:40:37,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:40:37,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:40:37,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:40:37,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:40:37,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:40:37,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:40:37,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:40:37,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:40:37,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:40:37,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:40:37,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:40:37,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:40:37,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:40:37,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:40:37,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:40:37,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:40:37,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:40:37,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:40:37,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:40:37,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:40:37,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:40:37,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:40:37,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:40:37,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:40:37,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:40:37,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:40:37,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:40:37,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:40:37,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:40:37,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:40:37,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:40:37,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:40:37,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:40:37,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:40:37,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:40:37,766 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:40:37,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:40:37,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:40:37,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:40:37,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:40:37,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:40:37,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:40:37,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:40:37,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:40:37,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:40:37,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:40:37,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:40:37,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:40:37,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:40:37,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:40:37,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:40:37,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:40:37,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:40:37,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:40:37,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:40:37,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:40:37,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:40:37,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:40:37,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:40:37,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:40:37,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:40:37,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:40:37,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:40:37,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7013b5440d15c52781747fe18e114861ef321ee3 [2019-11-27 22:40:38,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:40:38,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:40:38,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:40:38,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:40:38,129 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:40:38,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-27 22:40:38,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eea9bde56/79e0c084ea9e429680f43b42c7042dc4/FLAGc7eaa3f5f [2019-11-27 22:40:38,757 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:40:38,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-27 22:40:38,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eea9bde56/79e0c084ea9e429680f43b42c7042dc4/FLAGc7eaa3f5f [2019-11-27 22:40:39,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eea9bde56/79e0c084ea9e429680f43b42c7042dc4 [2019-11-27 22:40:39,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:40:39,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:40:39,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:40:39,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:40:39,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:40:39,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:39,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39, skipping insertion in model container [2019-11-27 22:40:39,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:39,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:40:39,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:40:39,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:40:39,705 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:40:39,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:40:39,876 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:40:39,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39 WrapperNode [2019-11-27 22:40:39,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:40:39,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:40:39,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:40:39,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:40:39,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:39,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:40,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:40:40,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:40:40,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:40:40,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:40:40,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:40,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:40,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:40,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:40,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:40,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:40,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (1/1) ... [2019-11-27 22:40:40,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:40:40,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:40:40,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:40:40,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:40:40,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (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 [2019-11-27 22:40:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:40:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:40:41,466 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:40:41,466 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 22:40:41,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:41 BoogieIcfgContainer [2019-11-27 22:40:41,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:40:41,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:40:41,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:40:41,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:40:41,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:40:39" (1/3) ... [2019-11-27 22:40:41,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c6758f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:40:41, skipping insertion in model container [2019-11-27 22:40:41,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:39" (2/3) ... [2019-11-27 22:40:41,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c6758f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:40:41, skipping insertion in model container [2019-11-27 22:40:41,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:41" (3/3) ... [2019-11-27 22:40:41,479 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2019-11-27 22:40:41,490 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:40:41,498 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:40:41,511 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:40:41,540 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:40:41,540 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:40:41,540 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:40:41,541 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:40:41,541 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:40:41,541 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:40:41,541 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:40:41,541 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:40:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-27 22:40:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-27 22:40:41,576 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:41,577 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:41,578 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:41,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:41,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1695579141, now seen corresponding path program 1 times [2019-11-27 22:40:41,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:41,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017887627] [2019-11-27 22:40:41,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:41,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017887627] [2019-11-27 22:40:41,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:41,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:40:41,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415047212] [2019-11-27 22:40:41,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:41,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:41,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:42,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:42,002 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2019-11-27 22:40:43,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:43,105 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2019-11-27 22:40:43,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:43,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-11-27 22:40:43,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:43,137 INFO L225 Difference]: With dead ends: 601 [2019-11-27 22:40:43,137 INFO L226 Difference]: Without dead ends: 310 [2019-11-27 22:40:43,148 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:43,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-11-27 22:40:43,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-11-27 22:40:43,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-11-27 22:40:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2019-11-27 22:40:43,256 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 101 [2019-11-27 22:40:43,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:43,258 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2019-11-27 22:40:43,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2019-11-27 22:40:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-27 22:40:43,274 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:43,275 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:43,276 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:43,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:43,277 INFO L82 PathProgramCache]: Analyzing trace with hash -292589926, now seen corresponding path program 1 times [2019-11-27 22:40:43,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:43,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641247943] [2019-11-27 22:40:43,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:43,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641247943] [2019-11-27 22:40:43,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:43,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:43,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86953616] [2019-11-27 22:40:43,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:43,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:43,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:43,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:43,510 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 4 states. [2019-11-27 22:40:44,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:44,496 INFO L93 Difference]: Finished difference Result 1200 states and 1733 transitions. [2019-11-27 22:40:44,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:44,496 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-11-27 22:40:44,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:44,502 INFO L225 Difference]: With dead ends: 1200 [2019-11-27 22:40:44,503 INFO L226 Difference]: Without dead ends: 892 [2019-11-27 22:40:44,505 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 [2019-11-27 22:40:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2019-11-27 22:40:44,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 593. [2019-11-27 22:40:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-11-27 22:40:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 827 transitions. [2019-11-27 22:40:44,560 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 827 transitions. Word has length 119 [2019-11-27 22:40:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:44,563 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 827 transitions. [2019-11-27 22:40:44,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 827 transitions. [2019-11-27 22:40:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-27 22:40:44,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:44,567 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:44,567 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:44,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:44,568 INFO L82 PathProgramCache]: Analyzing trace with hash 566132794, now seen corresponding path program 1 times [2019-11-27 22:40:44,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:44,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780322738] [2019-11-27 22:40:44,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:44,712 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780322738] [2019-11-27 22:40:44,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:44,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:44,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250152201] [2019-11-27 22:40:44,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:44,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:44,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:44,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:44,721 INFO L87 Difference]: Start difference. First operand 593 states and 827 transitions. Second operand 4 states. [2019-11-27 22:40:45,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:45,679 INFO L93 Difference]: Finished difference Result 2316 states and 3244 transitions. [2019-11-27 22:40:45,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:45,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2019-11-27 22:40:45,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:45,692 INFO L225 Difference]: With dead ends: 2316 [2019-11-27 22:40:45,692 INFO L226 Difference]: Without dead ends: 1725 [2019-11-27 22:40:45,694 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 [2019-11-27 22:40:45,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-11-27 22:40:45,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1151. [2019-11-27 22:40:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2019-11-27 22:40:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1548 transitions. [2019-11-27 22:40:45,760 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1548 transitions. Word has length 120 [2019-11-27 22:40:45,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:45,761 INFO L462 AbstractCegarLoop]: Abstraction has 1151 states and 1548 transitions. [2019-11-27 22:40:45,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1548 transitions. [2019-11-27 22:40:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-27 22:40:45,777 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:45,777 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:45,778 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:45,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:45,778 INFO L82 PathProgramCache]: Analyzing trace with hash -157142321, now seen corresponding path program 1 times [2019-11-27 22:40:45,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:45,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677183466] [2019-11-27 22:40:45,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:45,959 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677183466] [2019-11-27 22:40:45,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:45,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:40:45,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298307543] [2019-11-27 22:40:45,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:45,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:45,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:45,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:45,962 INFO L87 Difference]: Start difference. First operand 1151 states and 1548 transitions. Second operand 4 states. [2019-11-27 22:40:47,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:47,008 INFO L93 Difference]: Finished difference Result 3563 states and 4698 transitions. [2019-11-27 22:40:47,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:47,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-11-27 22:40:47,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:47,020 INFO L225 Difference]: With dead ends: 3563 [2019-11-27 22:40:47,020 INFO L226 Difference]: Without dead ends: 2414 [2019-11-27 22:40:47,023 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 [2019-11-27 22:40:47,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-27 22:40:47,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2131. [2019-11-27 22:40:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2131 states. [2019-11-27 22:40:47,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2618 transitions. [2019-11-27 22:40:47,077 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2618 transitions. Word has length 123 [2019-11-27 22:40:47,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:47,077 INFO L462 AbstractCegarLoop]: Abstraction has 2131 states and 2618 transitions. [2019-11-27 22:40:47,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2618 transitions. [2019-11-27 22:40:47,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-27 22:40:47,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:47,082 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:47,082 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:47,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:47,083 INFO L82 PathProgramCache]: Analyzing trace with hash -920596231, now seen corresponding path program 1 times [2019-11-27 22:40:47,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:47,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646875795] [2019-11-27 22:40:47,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-27 22:40:47,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646875795] [2019-11-27 22:40:47,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:47,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:40:47,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094668259] [2019-11-27 22:40:47,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:47,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:47,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:47,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:47,215 INFO L87 Difference]: Start difference. First operand 2131 states and 2618 transitions. Second operand 4 states. [2019-11-27 22:40:48,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:48,011 INFO L93 Difference]: Finished difference Result 5105 states and 6307 transitions. [2019-11-27 22:40:48,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:48,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-11-27 22:40:48,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:48,024 INFO L225 Difference]: With dead ends: 5105 [2019-11-27 22:40:48,024 INFO L226 Difference]: Without dead ends: 2414 [2019-11-27 22:40:48,028 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:48,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-27 22:40:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2410. [2019-11-27 22:40:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2410 states. [2019-11-27 22:40:48,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 2692 transitions. [2019-11-27 22:40:48,075 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 2692 transitions. Word has length 128 [2019-11-27 22:40:48,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:48,076 INFO L462 AbstractCegarLoop]: Abstraction has 2410 states and 2692 transitions. [2019-11-27 22:40:48,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2692 transitions. [2019-11-27 22:40:48,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-27 22:40:48,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:48,082 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:48,082 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:48,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:48,083 INFO L82 PathProgramCache]: Analyzing trace with hash -91008860, now seen corresponding path program 1 times [2019-11-27 22:40:48,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:48,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487697455] [2019-11-27 22:40:48,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-27 22:40:48,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487697455] [2019-11-27 22:40:48,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:48,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:48,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357095433] [2019-11-27 22:40:48,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:48,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:48,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:48,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:48,127 INFO L87 Difference]: Start difference. First operand 2410 states and 2692 transitions. Second operand 4 states. [2019-11-27 22:40:48,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:48,714 INFO L93 Difference]: Finished difference Result 4526 states and 5047 transitions. [2019-11-27 22:40:48,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:48,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2019-11-27 22:40:48,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:48,726 INFO L225 Difference]: With dead ends: 4526 [2019-11-27 22:40:48,726 INFO L226 Difference]: Without dead ends: 2117 [2019-11-27 22:40:48,730 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 [2019-11-27 22:40:48,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2019-11-27 22:40:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 1557. [2019-11-27 22:40:48,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2019-11-27 22:40:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1702 transitions. [2019-11-27 22:40:48,771 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1702 transitions. Word has length 140 [2019-11-27 22:40:48,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:48,772 INFO L462 AbstractCegarLoop]: Abstraction has 1557 states and 1702 transitions. [2019-11-27 22:40:48,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1702 transitions. [2019-11-27 22:40:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-27 22:40:48,777 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:48,777 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:48,778 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:48,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:48,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1260894349, now seen corresponding path program 1 times [2019-11-27 22:40:48,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:48,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288184475] [2019-11-27 22:40:48,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:49,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288184475] [2019-11-27 22:40:49,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:49,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-27 22:40:49,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464210933] [2019-11-27 22:40:49,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-27 22:40:49,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:49,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-27 22:40:49,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-27 22:40:49,201 INFO L87 Difference]: Start difference. First operand 1557 states and 1702 transitions. Second operand 7 states. [2019-11-27 22:40:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:50,436 INFO L93 Difference]: Finished difference Result 3266 states and 3576 transitions. [2019-11-27 22:40:50,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-27 22:40:50,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2019-11-27 22:40:50,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:50,446 INFO L225 Difference]: With dead ends: 3266 [2019-11-27 22:40:50,447 INFO L226 Difference]: Without dead ends: 1571 [2019-11-27 22:40:50,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:50,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2019-11-27 22:40:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1417. [2019-11-27 22:40:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2019-11-27 22:40:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1553 transitions. [2019-11-27 22:40:50,479 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1553 transitions. Word has length 169 [2019-11-27 22:40:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:50,480 INFO L462 AbstractCegarLoop]: Abstraction has 1417 states and 1553 transitions. [2019-11-27 22:40:50,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-27 22:40:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1553 transitions. [2019-11-27 22:40:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-27 22:40:50,484 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:50,484 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:50,484 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:50,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:50,485 INFO L82 PathProgramCache]: Analyzing trace with hash 992818194, now seen corresponding path program 1 times [2019-11-27 22:40:50,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:50,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118459213] [2019-11-27 22:40:50,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:50,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118459213] [2019-11-27 22:40:50,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:50,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:40:50,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109113187] [2019-11-27 22:40:50,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:50,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:50,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:50,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:50,688 INFO L87 Difference]: Start difference. First operand 1417 states and 1553 transitions. Second operand 4 states. [2019-11-27 22:40:51,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:51,582 INFO L93 Difference]: Finished difference Result 2691 states and 2953 transitions. [2019-11-27 22:40:51,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:51,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2019-11-27 22:40:51,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:51,588 INFO L225 Difference]: With dead ends: 2691 [2019-11-27 22:40:51,588 INFO L226 Difference]: Without dead ends: 1136 [2019-11-27 22:40:51,590 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 [2019-11-27 22:40:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2019-11-27 22:40:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1135. [2019-11-27 22:40:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2019-11-27 22:40:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1216 transitions. [2019-11-27 22:40:51,611 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1216 transitions. Word has length 178 [2019-11-27 22:40:51,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:51,612 INFO L462 AbstractCegarLoop]: Abstraction has 1135 states and 1216 transitions. [2019-11-27 22:40:51,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1216 transitions. [2019-11-27 22:40:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-27 22:40:51,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:51,617 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:51,617 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:51,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:51,618 INFO L82 PathProgramCache]: Analyzing trace with hash -751837008, now seen corresponding path program 1 times [2019-11-27 22:40:51,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:51,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220076303] [2019-11-27 22:40:51,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-27 22:40:51,773 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220076303] [2019-11-27 22:40:51,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:51,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:51,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941821557] [2019-11-27 22:40:51,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:51,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:51,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:51,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:51,781 INFO L87 Difference]: Start difference. First operand 1135 states and 1216 transitions. Second operand 3 states. [2019-11-27 22:40:52,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:52,224 INFO L93 Difference]: Finished difference Result 2268 states and 2425 transitions. [2019-11-27 22:40:52,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:52,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-27 22:40:52,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:52,228 INFO L225 Difference]: With dead ends: 2268 [2019-11-27 22:40:52,228 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 22:40:52,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:52,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 22:40:52,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 22:40:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 22:40:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 22:40:52,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2019-11-27 22:40:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:52,235 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 22:40:52,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 22:40:52,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 22:40:52,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 22:40:52,787 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2019-11-27 22:40:53,165 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2019-11-27 22:40:53,169 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,170 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,171 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,172 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-27 22:40:53,172 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-27 22:40:53,173 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-27 22:40:53,173 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-27 22:40:53,173 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-27 22:40:53,173 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-27 22:40:53,174 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-27 22:40:53,174 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,174 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,175 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,175 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-27 22:40:53,175 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-27 22:40:53,175 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-27 22:40:53,176 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-27 22:40:53,176 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-27 22:40:53,179 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-27 22:40:53,180 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-27 22:40:53,180 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,181 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,184 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,184 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-27 22:40:53,185 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-27 22:40:53,185 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-27 22:40:53,185 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-27 22:40:53,186 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-27 22:40:53,186 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,186 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,189 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,190 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-27 22:40:53,190 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-27 22:40:53,190 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-27 22:40:53,191 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-27 22:40:53,191 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-27 22:40:53,191 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-27 22:40:53,191 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-27 22:40:53,192 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-27 22:40:53,192 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,192 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,193 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,193 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-27 22:40:53,193 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-27 22:40:53,193 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-27 22:40:53,194 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-27 22:40:53,194 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-27 22:40:53,194 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-27 22:40:53,195 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-27 22:40:53,195 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-27 22:40:53,195 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,195 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,196 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,196 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-27 22:40:53,196 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-27 22:40:53,197 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-27 22:40:53,197 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-27 22:40:53,197 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-27 22:40:53,198 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-27 22:40:53,198 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-27 22:40:53,198 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-27 22:40:53,199 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-27 22:40:53,199 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,199 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,199 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,202 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-27 22:40:53,203 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-27 22:40:53,203 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-27 22:40:53,203 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-27 22:40:53,204 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-27 22:40:53,204 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-27 22:40:53,204 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,204 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,205 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,205 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-27 22:40:53,205 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-27 22:40:53,205 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-27 22:40:53,206 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-27 22:40:53,206 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-27 22:40:53,206 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 22:40:53,207 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-27 22:40:53,207 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-27 22:40:53,207 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-27 22:40:53,207 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,208 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,208 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,208 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-27 22:40:53,209 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-27 22:40:53,209 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-27 22:40:53,209 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-27 22:40:53,209 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-27 22:40:53,210 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,210 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,210 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,210 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-27 22:40:53,210 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-27 22:40:53,211 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-27 22:40:53,211 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-27 22:40:53,211 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-27 22:40:53,211 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-27 22:40:53,212 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-27 22:40:53,212 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-27 22:40:53,212 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-27 22:40:53,212 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-27 22:40:53,213 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 22:40:53,213 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2019-11-27 22:40:53,213 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-27 22:40:53,214 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,214 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,214 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-27 22:40:53,214 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-27 22:40:53,215 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-27 22:40:53,215 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-27 22:40:53,215 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-27 22:40:53,215 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-27 22:40:53,216 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-27 22:40:53,216 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-27 22:40:53,216 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-27 22:40:53,217 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse8 (= ~a28~0 9)) (.cse9 (= ~a11~0 1)) (.cse7 (= ~a25~0 1))) (let ((.cse4 (= ~a28~0 10)) (.cse0 (not .cse7)) (.cse5 (= ~a19~0 1)) (.cse1 (= ~a17~0 8)) (.cse10 (not .cse9)) (.cse2 (not .cse8)) (.cse3 (not (= ~a28~0 11))) (.cse6 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5) (and .cse5 .cse6 .cse7 .cse3) (and .cse8 .cse1 .cse5) (and .cse4 .cse0 .cse9 .cse6) (and .cse5 .cse1 .cse10 .cse7) (and .cse1 .cse10 .cse2 .cse3) (and .cse8 .cse7 .cse6)))) [2019-11-27 22:40:53,217 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,218 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,218 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-27 22:40:53,218 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-27 22:40:53,219 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-27 22:40:53,219 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-27 22:40:53,219 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-27 22:40:53,219 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-27 22:40:53,220 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-27 22:40:53,220 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,220 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,221 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-27 22:40:53,221 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-27 22:40:53,221 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-27 22:40:53,222 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-27 22:40:53,222 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-27 22:40:53,222 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-27 22:40:53,222 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-27 22:40:53,223 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-27 22:40:53,223 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-27 22:40:53,223 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,224 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,224 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-27 22:40:53,224 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-27 22:40:53,224 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-27 22:40:53,225 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-27 22:40:53,225 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-27 22:40:53,225 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-27 22:40:53,226 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse8 (= ~a28~0 9)) (.cse9 (= ~a11~0 1)) (.cse7 (= ~a25~0 1))) (let ((.cse4 (= ~a28~0 10)) (.cse0 (not .cse7)) (.cse5 (= ~a19~0 1)) (.cse1 (= ~a17~0 8)) (.cse10 (not .cse9)) (.cse2 (not .cse8)) (.cse3 (not (= ~a28~0 11))) (.cse6 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5) (and .cse5 .cse6 .cse7 .cse3) (and .cse8 .cse1 .cse5) (and .cse4 .cse0 .cse9 .cse6) (and .cse5 .cse1 .cse10 .cse7) (and .cse1 .cse10 .cse2 .cse3) (and .cse8 .cse7 .cse6)))) [2019-11-27 22:40:53,227 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,227 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,227 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-27 22:40:53,227 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-27 22:40:53,228 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-27 22:40:53,228 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-27 22:40:53,228 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-27 22:40:53,228 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,229 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,229 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-27 22:40:53,230 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-27 22:40:53,230 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-27 22:40:53,230 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-27 22:40:53,230 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-27 22:40:53,231 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-27 22:40:53,231 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-27 22:40:53,231 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-27 22:40:53,232 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-27 22:40:53,232 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,232 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,232 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-27 22:40:53,233 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,233 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-27 22:40:53,233 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-27 22:40:53,233 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-27 22:40:53,234 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-27 22:40:53,234 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-27 22:40:53,234 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 22:40:53,234 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-27 22:40:53,235 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,235 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,235 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,236 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-27 22:40:53,236 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-27 22:40:53,236 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-27 22:40:53,236 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-27 22:40:53,237 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-27 22:40:53,237 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,237 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,237 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,238 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-27 22:40:53,238 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-27 22:40:53,238 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-27 22:40:53,238 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-27 22:40:53,239 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-27 22:40:53,239 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-27 22:40:53,239 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,239 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,240 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,240 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-27 22:40:53,240 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-27 22:40:53,240 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-27 22:40:53,241 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-27 22:40:53,241 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-27 22:40:53,241 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-27 22:40:53,242 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 22:40:53,242 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-27 22:40:53,242 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-27 22:40:53,242 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,243 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,243 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,243 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-27 22:40:53,243 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-27 22:40:53,244 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-27 22:40:53,244 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-27 22:40:53,244 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-27 22:40:53,244 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,245 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,245 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:53,245 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-27 22:40:53,245 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-27 22:40:53,246 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-27 22:40:53,246 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-27 22:40:53,246 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-27 22:40:53,246 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-27 22:40:53,247 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-27 22:40:53,247 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-27 22:40:53,247 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-27 22:40:53,247 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-27 22:40:53,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:40:53 BoogieIcfgContainer [2019-11-27 22:40:53,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:40:53,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:40:53,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:40:53,313 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:40:53,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:41" (3/4) ... [2019-11-27 22:40:53,326 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 22:40:53,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 22:40:53,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 22:40:53,644 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:40:53,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:40:53,647 INFO L168 Benchmark]: Toolchain (without parser) took 14593.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 442.5 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -205.4 MB). Peak memory consumption was 237.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:53,647 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-27 22:40:53,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:53,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.87 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:53,649 INFO L168 Benchmark]: Boogie Preprocessor took 74.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:40:53,650 INFO L168 Benchmark]: RCFGBuilder took 1368.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:53,651 INFO L168 Benchmark]: TraceAbstraction took 11841.16 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 296.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -162.9 MB). Peak memory consumption was 133.9 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:53,652 INFO L168 Benchmark]: Witness Printer took 334.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:53,655 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 825.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.87 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1368.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11841.16 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 296.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -162.9 MB). Peak memory consumption was 133.9 MB. Max. memory is 11.5 GB. * Witness Printer took 334.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(a25 == 1) && a17 == 8) && !(a28 == 9)) && !(a28 == 11)) || (a28 == 10 && a19 == 1)) || (((a19 == 1 && a17 <= 8) && a25 == 1) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a19 == 1)) || (((a28 == 10 && !(a25 == 1)) && a11 == 1) && a17 <= 8)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a25 == 1)) || (((a17 == 8 && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11))) || ((a28 == 9 && a25 == 1) && a17 <= 8) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((!(a25 == 1) && a17 == 8) && !(a28 == 9)) && !(a28 == 11)) || (a28 == 10 && a19 == 1)) || (((a19 == 1 && a17 <= 8) && a25 == 1) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a19 == 1)) || (((a28 == 10 && !(a25 == 1)) && a11 == 1) && a17 <= 8)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a25 == 1)) || (((a17 == 8 && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11))) || ((a28 == 9 && a25 == 1) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 10.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 803 SDtfs, 2334 SDslu, 259 SDs, 0 SdLazy, 5614 SolverSat, 808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1875 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 205 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1442 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 822 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1277 NumberOfCodeBlocks, 1277 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 617302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 420/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...