./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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/Problem10_label09.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd67834e8971a579ed0a849416006fd592ec6188 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:00:44,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:00:44,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:00:45,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:00:45,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:00:45,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:00:45,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:00:45,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:00:45,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:00:45,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:00:45,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:00:45,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:00:45,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:00:45,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:00:45,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:00:45,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:00:45,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:00:45,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:00:45,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:00:45,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:00:45,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:00:45,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:00:45,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:00:45,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:00:45,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:00:45,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:00:45,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:00:45,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:00:45,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:00:45,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:00:45,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:00:45,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:00:45,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:00:45,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:00:45,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:00:45,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:00:45,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:00:45,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:00:45,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:00:45,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:00:45,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:00:45,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:00:45,132 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:00:45,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:00:45,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:00:45,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:00:45,139 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:00:45,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:00:45,140 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:00:45,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:00:45,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:00:45,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:00:45,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:00:45,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:00:45,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:00:45,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:00:45,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:00:45,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:00:45,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:00:45,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:00:45,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:00:45,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:00:45,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:00:45,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:00:45,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:00:45,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:00:45,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:00:45,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:00:45,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:00:45,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:00:45,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd67834e8971a579ed0a849416006fd592ec6188 [2019-11-27 23:00:45,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:00:45,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:00:45,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:00:45,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:00:45,510 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:00:45,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2019-11-27 23:00:45,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a116d5f/1b93c97566c34e01a1eb49ddeca390c6/FLAG8e2b4c8e7 [2019-11-27 23:00:46,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:00:46,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2019-11-27 23:00:46,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a116d5f/1b93c97566c34e01a1eb49ddeca390c6/FLAG8e2b4c8e7 [2019-11-27 23:00:46,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a116d5f/1b93c97566c34e01a1eb49ddeca390c6 [2019-11-27 23:00:46,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:00:46,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:00:46,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:00:46,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:00:46,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:00:46,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:00:46" (1/1) ... [2019-11-27 23:00:46,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c880e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:46, skipping insertion in model container [2019-11-27 23:00:46,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:00:46" (1/1) ... [2019-11-27 23:00:46,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:00:46,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:00:47,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:00:47,081 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:00:47,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:00:47,222 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:00:47,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47 WrapperNode [2019-11-27 23:00:47,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:00:47,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:00:47,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:00:47,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:00:47,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:00:47,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:00:47,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:00:47,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:00:47,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (1/1) ... [2019-11-27 23:00:47,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:00:47,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:00:47,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:00:47,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:00:47,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (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 23:00:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:00:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:00:48,919 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:00:48,920 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:00:48,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:48 BoogieIcfgContainer [2019-11-27 23:00:48,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:00:48,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:00:48,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:00:48,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:00:48,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:00:46" (1/3) ... [2019-11-27 23:00:48,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67724cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:00:48, skipping insertion in model container [2019-11-27 23:00:48,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:47" (2/3) ... [2019-11-27 23:00:48,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67724cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:00:48, skipping insertion in model container [2019-11-27 23:00:48,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:48" (3/3) ... [2019-11-27 23:00:48,936 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2019-11-27 23:00:48,945 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:00:48,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:00:48,964 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:00:48,990 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:00:48,991 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:00:48,991 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:00:48,991 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:00:48,991 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:00:48,992 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:00:48,992 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:00:48,992 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:00:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-27 23:00:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-27 23:00:49,024 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:49,026 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:00:49,026 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:49,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:49,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2019-11-27 23:00:49,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:49,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439027214] [2019-11-27 23:00:49,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:49,419 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 23:00:49,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439027214] [2019-11-27 23:00:49,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:00:49,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:00:49,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621441972] [2019-11-27 23:00:49,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:00:49,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:49,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:00:49,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:49,450 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-27 23:00:51,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:00:51,171 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-27 23:00:51,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:00:51,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-11-27 23:00:51,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:00:51,194 INFO L225 Difference]: With dead ends: 709 [2019-11-27 23:00:51,194 INFO L226 Difference]: Without dead ends: 421 [2019-11-27 23:00:51,207 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 23:00:51,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-27 23:00:51,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-27 23:00:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-27 23:00:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2019-11-27 23:00:51,281 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 56 [2019-11-27 23:00:51,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:00:51,281 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2019-11-27 23:00:51,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:00:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2019-11-27 23:00:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-27 23:00:51,287 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:51,288 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:00:51,288 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:51,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:51,289 INFO L82 PathProgramCache]: Analyzing trace with hash -374097100, now seen corresponding path program 1 times [2019-11-27 23:00:51,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:51,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045075492] [2019-11-27 23:00:51,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:00:51,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045075492] [2019-11-27 23:00:51,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:00:51,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:00:51,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083738249] [2019-11-27 23:00:51,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:00:51,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:51,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:00:51,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:51,506 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 4 states. [2019-11-27 23:00:52,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:00:52,525 INFO L93 Difference]: Finished difference Result 1118 states and 1640 transitions. [2019-11-27 23:00:52,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:00:52,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-11-27 23:00:52,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:00:52,533 INFO L225 Difference]: With dead ends: 1118 [2019-11-27 23:00:52,534 INFO L226 Difference]: Without dead ends: 838 [2019-11-27 23:00:52,540 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:52,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-27 23:00:52,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-27 23:00:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-27 23:00:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 970 transitions. [2019-11-27 23:00:52,614 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 970 transitions. Word has length 126 [2019-11-27 23:00:52,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:00:52,616 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 970 transitions. [2019-11-27 23:00:52,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:00:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 970 transitions. [2019-11-27 23:00:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-27 23:00:52,626 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:52,627 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:00:52,627 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:52,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:52,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1619344244, now seen corresponding path program 1 times [2019-11-27 23:00:52,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:52,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24654854] [2019-11-27 23:00:52,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:00:52,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24654854] [2019-11-27 23:00:52,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880786198] [2019-11-27 23:00:52,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:00:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:53,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 23:00:53,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:00:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:00:53,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:00:53,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-27 23:00:53,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23191249] [2019-11-27 23:00:53,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:00:53,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:53,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:00:53,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:00:53,090 INFO L87 Difference]: Start difference. First operand 699 states and 970 transitions. Second operand 3 states. [2019-11-27 23:00:53,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:00:53,860 INFO L93 Difference]: Finished difference Result 1674 states and 2337 transitions. [2019-11-27 23:00:53,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:00:53,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-11-27 23:00:53,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:00:53,870 INFO L225 Difference]: With dead ends: 1674 [2019-11-27 23:00:53,870 INFO L226 Difference]: Without dead ends: 977 [2019-11-27 23:00:53,872 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:00:53,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-27 23:00:53,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-27 23:00:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-27 23:00:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1323 transitions. [2019-11-27 23:00:53,901 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1323 transitions. Word has length 131 [2019-11-27 23:00:53,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:00:53,902 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1323 transitions. [2019-11-27 23:00:53,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:00:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1323 transitions. [2019-11-27 23:00:53,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-27 23:00:53,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:53,906 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:00:54,111 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:00:54,112 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:54,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:54,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1769594780, now seen corresponding path program 1 times [2019-11-27 23:00:54,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:54,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548480252] [2019-11-27 23:00:54,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:00:54,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548480252] [2019-11-27 23:00:54,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:00:54,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:00:54,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713727641] [2019-11-27 23:00:54,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:00:54,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:54,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:00:54,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:54,226 INFO L87 Difference]: Start difference. First operand 977 states and 1323 transitions. Second operand 4 states. [2019-11-27 23:00:55,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:00:55,221 INFO L93 Difference]: Finished difference Result 3203 states and 4261 transitions. [2019-11-27 23:00:55,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:00:55,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2019-11-27 23:00:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:00:55,239 INFO L225 Difference]: With dead ends: 3203 [2019-11-27 23:00:55,239 INFO L226 Difference]: Without dead ends: 2228 [2019-11-27 23:00:55,242 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:55,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2019-11-27 23:00:55,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1533. [2019-11-27 23:00:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2019-11-27 23:00:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1888 transitions. [2019-11-27 23:00:55,301 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1888 transitions. Word has length 147 [2019-11-27 23:00:55,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:00:55,301 INFO L462 AbstractCegarLoop]: Abstraction has 1533 states and 1888 transitions. [2019-11-27 23:00:55,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:00:55,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1888 transitions. [2019-11-27 23:00:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-27 23:00:55,308 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:55,308 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:00:55,309 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:55,309 INFO L82 PathProgramCache]: Analyzing trace with hash 2080572887, now seen corresponding path program 1 times [2019-11-27 23:00:55,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:55,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599685405] [2019-11-27 23:00:55,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-27 23:00:55,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599685405] [2019-11-27 23:00:55,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:00:55,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:00:55,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518432492] [2019-11-27 23:00:55,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:00:55,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:55,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:00:55,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:00:55,566 INFO L87 Difference]: Start difference. First operand 1533 states and 1888 transitions. Second operand 5 states. [2019-11-27 23:00:57,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:00:57,172 INFO L93 Difference]: Finished difference Result 4871 states and 5977 transitions. [2019-11-27 23:00:57,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:00:57,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2019-11-27 23:00:57,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:00:57,188 INFO L225 Difference]: With dead ends: 4871 [2019-11-27 23:00:57,189 INFO L226 Difference]: Without dead ends: 3340 [2019-11-27 23:00:57,191 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:00:57,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2019-11-27 23:00:57,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2645. [2019-11-27 23:00:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2019-11-27 23:00:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3166 transitions. [2019-11-27 23:00:57,248 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3166 transitions. Word has length 223 [2019-11-27 23:00:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:00:57,249 INFO L462 AbstractCegarLoop]: Abstraction has 2645 states and 3166 transitions. [2019-11-27 23:00:57,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:00:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3166 transitions. [2019-11-27 23:00:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-27 23:00:57,255 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:57,256 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:00:57,256 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:57,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:57,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1447619414, now seen corresponding path program 1 times [2019-11-27 23:00:57,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:57,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67807804] [2019-11-27 23:00:57,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:00:57,479 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67807804] [2019-11-27 23:00:57,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:00:57,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:00:57,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577423839] [2019-11-27 23:00:57,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:00:57,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:57,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:00:57,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:57,481 INFO L87 Difference]: Start difference. First operand 2645 states and 3166 transitions. Second operand 4 states. [2019-11-27 23:00:58,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:00:58,525 INFO L93 Difference]: Finished difference Result 5983 states and 7202 transitions. [2019-11-27 23:00:58,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:00:58,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-11-27 23:00:58,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:00:58,541 INFO L225 Difference]: With dead ends: 5983 [2019-11-27 23:00:58,542 INFO L226 Difference]: Without dead ends: 3340 [2019-11-27 23:00:58,547 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:58,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2019-11-27 23:00:58,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2923. [2019-11-27 23:00:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2923 states. [2019-11-27 23:00:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 3445 transitions. [2019-11-27 23:00:58,616 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 3445 transitions. Word has length 260 [2019-11-27 23:00:58,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:00:58,617 INFO L462 AbstractCegarLoop]: Abstraction has 2923 states and 3445 transitions. [2019-11-27 23:00:58,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:00:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3445 transitions. [2019-11-27 23:00:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-27 23:00:58,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:58,625 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:00:58,626 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:58,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:58,626 INFO L82 PathProgramCache]: Analyzing trace with hash -68619625, now seen corresponding path program 1 times [2019-11-27 23:00:58,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:58,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326827239] [2019-11-27 23:00:58,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:58,859 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:00:58,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326827239] [2019-11-27 23:00:58,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:00:58,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-27 23:00:58,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905231983] [2019-11-27 23:00:58,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:00:58,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:58,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:00:58,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:00:58,863 INFO L87 Difference]: Start difference. First operand 2923 states and 3445 transitions. Second operand 5 states. [2019-11-27 23:01:00,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:00,229 INFO L93 Difference]: Finished difference Result 7373 states and 8583 transitions. [2019-11-27 23:01:00,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:01:00,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268 [2019-11-27 23:01:00,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:00,241 INFO L225 Difference]: With dead ends: 7373 [2019-11-27 23:01:00,241 INFO L226 Difference]: Without dead ends: 2645 [2019-11-27 23:01:00,247 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:01:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-11-27 23:01:00,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2367. [2019-11-27 23:01:00,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2019-11-27 23:01:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2650 transitions. [2019-11-27 23:01:00,295 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2650 transitions. Word has length 268 [2019-11-27 23:01:00,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:00,295 INFO L462 AbstractCegarLoop]: Abstraction has 2367 states and 2650 transitions. [2019-11-27 23:01:00,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:01:00,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2650 transitions. [2019-11-27 23:01:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-11-27 23:01:00,302 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:00,303 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:00,303 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:00,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:00,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1078107625, now seen corresponding path program 1 times [2019-11-27 23:01:00,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:00,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68124221] [2019-11-27 23:01:00,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-27 23:01:00,533 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68124221] [2019-11-27 23:01:00,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:00,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:00,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979932658] [2019-11-27 23:01:00,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:00,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:00,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:00,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:00,536 INFO L87 Difference]: Start difference. First operand 2367 states and 2650 transitions. Second operand 4 states. [2019-11-27 23:01:01,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:01,219 INFO L93 Difference]: Finished difference Result 2367 states and 2650 transitions. [2019-11-27 23:01:01,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:01,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 334 [2019-11-27 23:01:01,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:01,221 INFO L225 Difference]: With dead ends: 2367 [2019-11-27 23:01:01,221 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:01:01,224 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 23:01:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:01:01,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:01:01,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:01:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:01:01,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 334 [2019-11-27 23:01:01,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:01,226 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:01:01,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:01:01,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:01:01,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:01:01,767 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2019-11-27 23:01:02,075 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2019-11-27 23:01:02,081 INFO L246 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-27 23:01:02,081 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,081 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,082 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,082 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,082 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,082 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,082 INFO L246 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-27 23:01:02,083 INFO L246 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-27 23:01:02,083 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-27 23:01:02,084 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-27 23:01:02,085 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-27 23:01:02,085 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-27 23:01:02,085 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-27 23:01:02,086 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-27 23:01:02,087 INFO L246 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-27 23:01:02,088 INFO L246 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-27 23:01:02,088 INFO L246 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-27 23:01:02,088 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,088 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,089 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,089 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,089 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,089 INFO L246 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-27 23:01:02,089 INFO L246 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-27 23:01:02,090 INFO L246 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-27 23:01:02,090 INFO L246 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-27 23:01:02,090 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-27 23:01:02,092 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-27 23:01:02,092 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-27 23:01:02,092 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-27 23:01:02,093 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-27 23:01:02,093 INFO L246 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-27 23:01:02,093 INFO L246 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-27 23:01:02,094 INFO L246 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-27 23:01:02,094 INFO L246 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-27 23:01:02,094 INFO L246 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-27 23:01:02,094 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,095 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,095 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,095 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,096 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,096 INFO L246 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-27 23:01:02,097 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-27 23:01:02,100 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-27 23:01:02,100 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-27 23:01:02,101 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-27 23:01:02,101 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-27 23:01:02,103 INFO L242 CegarLoopResult]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (= ~a10~0 3))) (.cse0 (<= ~a1~0 38)) (.cse1 (not (= ~a19~0 10)))) (or (and (= ~a10~0 2) (= ~a19~0 7)) (= ~a19~0 9) (and .cse0 .cse1 (not (= ~a19~0 6))) (and .cse2 .cse0 .cse1) (and .cse2 (= ~a19~0 8)) (and .cse0 .cse1 (< 0 (+ ~a1~0 13))) (<= ~a10~0 1))) [2019-11-27 23:01:02,103 INFO L246 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-27 23:01:02,104 INFO L246 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-27 23:01:02,104 INFO L246 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-27 23:01:02,104 INFO L246 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-27 23:01:02,105 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,105 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,105 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,106 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,106 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,106 INFO L246 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-27 23:01:02,107 INFO L246 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-27 23:01:02,108 INFO L246 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-27 23:01:02,108 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-27 23:01:02,108 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:01:02,108 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-27 23:01:02,108 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-27 23:01:02,109 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-27 23:01:02,109 INFO L246 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-27 23:01:02,109 INFO L246 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-27 23:01:02,109 INFO L249 CegarLoopResult]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-27 23:01:02,110 INFO L246 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-27 23:01:02,110 INFO L246 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-27 23:01:02,110 INFO L246 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-27 23:01:02,110 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,110 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,111 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,111 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,111 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,111 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-27 23:01:02,111 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-27 23:01:02,112 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-27 23:01:02,113 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-27 23:01:02,113 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-27 23:01:02,113 INFO L246 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-27 23:01:02,113 INFO L246 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-27 23:01:02,113 INFO L246 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-27 23:01:02,114 INFO L246 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-27 23:01:02,114 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,114 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,114 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,115 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,115 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,115 INFO L246 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-27 23:01:02,115 INFO L246 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-27 23:01:02,115 INFO L246 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-27 23:01:02,116 INFO L246 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-27 23:01:02,116 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-27 23:01:02,116 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-27 23:01:02,116 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-27 23:01:02,116 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-27 23:01:02,117 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-27 23:01:02,117 INFO L246 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-27 23:01:02,117 INFO L246 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-27 23:01:02,117 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:01:02,117 INFO L246 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-27 23:01:02,118 INFO L242 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= ~a10~0 3))) (.cse0 (<= ~a1~0 38)) (.cse1 (not (= ~a19~0 10)))) (or (and (= ~a10~0 2) (= ~a19~0 7)) (= ~a19~0 9) (and .cse0 .cse1 (not (= ~a19~0 6))) (and .cse2 .cse0 .cse1) (and .cse2 (= ~a19~0 8)) (and .cse0 .cse1 (< 0 (+ ~a1~0 13))) (<= ~a10~0 1))) [2019-11-27 23:01:02,118 INFO L246 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-27 23:01:02,118 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,119 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,119 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,119 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,120 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-27 23:01:02,120 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,120 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,120 INFO L246 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-27 23:01:02,121 INFO L246 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-27 23:01:02,121 INFO L246 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-27 23:01:02,121 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-27 23:01:02,122 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-27 23:01:02,122 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-27 23:01:02,122 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-27 23:01:02,122 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-27 23:01:02,123 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-27 23:01:02,123 INFO L246 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-27 23:01:02,123 INFO L246 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-27 23:01:02,124 INFO L246 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-27 23:01:02,124 INFO L246 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-27 23:01:02,124 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,124 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,125 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,125 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,125 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,126 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,126 INFO L246 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-27 23:01:02,126 INFO L246 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-27 23:01:02,127 INFO L246 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-27 23:01:02,127 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:01:02,127 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-27 23:01:02,128 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-27 23:01:02,128 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-27 23:01:02,128 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-27 23:01:02,128 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-27 23:01:02,129 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-27 23:01:02,129 INFO L246 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-27 23:01:02,129 INFO L246 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-27 23:01:02,129 INFO L246 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-27 23:01:02,130 INFO L246 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-27 23:01:02,130 INFO L246 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-27 23:01:02,130 INFO L246 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-27 23:01:02,131 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,131 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,131 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,132 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,132 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,132 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,132 INFO L246 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-27 23:01:02,133 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-27 23:01:02,133 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-27 23:01:02,133 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-27 23:01:02,134 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-27 23:01:02,134 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-27 23:01:02,134 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:01:02,135 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-27 23:01:02,135 INFO L246 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-27 23:01:02,135 INFO L246 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-27 23:01:02,135 INFO L246 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-27 23:01:02,135 INFO L246 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-27 23:01:02,136 INFO L246 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-27 23:01:02,136 INFO L246 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-27 23:01:02,136 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,136 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,137 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,137 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,137 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,137 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,137 INFO L246 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-27 23:01:02,138 INFO L246 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-27 23:01:02,138 INFO L246 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-27 23:01:02,138 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-27 23:01:02,138 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-27 23:01:02,138 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-27 23:01:02,139 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-27 23:01:02,139 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-27 23:01:02,139 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-27 23:01:02,139 INFO L246 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-27 23:01:02,139 INFO L246 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-27 23:01:02,140 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:01:02,140 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2019-11-27 23:01:02,141 INFO L246 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-27 23:01:02,141 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,141 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,141 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,142 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,142 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,142 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:02,143 INFO L246 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-27 23:01:02,143 INFO L246 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-27 23:01:02,143 INFO L246 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-27 23:01:02,143 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-27 23:01:02,144 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-27 23:01:02,144 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-27 23:01:02,144 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-27 23:01:02,145 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-27 23:01:02,145 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-27 23:01:02,145 INFO L246 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-27 23:01:02,146 INFO L246 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-27 23:01:02,146 INFO L246 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-27 23:01:02,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:01:02 BoogieIcfgContainer [2019-11-27 23:01:02,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:01:02,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:01:02,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:01:02,192 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:01:02,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:48" (3/4) ... [2019-11-27 23:01:02,197 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:01:02,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:01:02,242 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:01:02,511 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:01:02,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:01:02,513 INFO L168 Benchmark]: Toolchain (without parser) took 16083.13 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 396.9 MB). Free memory was 952.3 MB in the beginning and 758.5 MB in the end (delta: 193.8 MB). Peak memory consumption was 590.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:02,514 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:01:02,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -114.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:02,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:02,515 INFO L168 Benchmark]: Boogie Preprocessor took 101.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:02,516 INFO L168 Benchmark]: RCFGBuilder took 1499.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 943.9 MB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:02,517 INFO L168 Benchmark]: TraceAbstraction took 13266.45 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 298.3 MB). Free memory was 943.9 MB in the beginning and 783.0 MB in the end (delta: 160.8 MB). Peak memory consumption was 459.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:02,517 INFO L168 Benchmark]: Witness Printer took 320.07 ms. Allocated memory is still 1.4 GB. Free memory was 783.0 MB in the beginning and 758.5 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:02,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 790.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -114.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1499.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 943.9 MB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13266.45 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 298.3 MB). Free memory was 943.9 MB in the beginning and 783.0 MB in the end (delta: 160.8 MB). Peak memory consumption was 459.2 MB. Max. memory is 11.5 GB. * Witness Printer took 320.07 ms. Allocated memory is still 1.4 GB. Free memory was 783.0 MB in the beginning and 758.5 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((a10 == 2 && a19 == 7) || a19 == 9) || ((a1 <= 38 && !(a19 == 10)) && !(a19 == 6))) || ((!(a10 == 3) && a1 <= 38) && !(a19 == 10))) || (!(a10 == 3) && a19 == 8)) || ((a1 <= 38 && !(a19 == 10)) && 0 < a1 + 13)) || a10 <= 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((a10 == 2 && a19 == 7) || a19 == 9) || ((a1 <= 38 && !(a19 == 10)) && !(a19 == 6))) || ((!(a10 == 3) && a1 <= 38) && !(a19 == 10))) || (!(a10 == 3) && a19 == 8)) || ((a1 <= 38 && !(a19 == 10)) && 0 < a1 + 13)) || a10 <= 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 12.2s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 451 SDtfs, 2043 SDslu, 87 SDs, 0 SdLazy, 5835 SolverSat, 882 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2923occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 2363 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 66 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 998 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2178 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1676 NumberOfCodeBlocks, 1676 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1667 ConstructedInterpolants, 0 QuantifiedInterpolants, 977427 SizeOfPredicates, 1 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1142/1143 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...