./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label39.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label39.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 0fc1a5d7bced8b0772de8cf3eb4e884f73b18851 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 20:59:24,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:59:24,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:59:24,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:59:24,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:59:24,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:59:24,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:59:24,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:59:24,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:59:24,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:59:24,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:59:24,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:59:24,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:59:24,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:59:24,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:59:24,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:59:24,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:59:24,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:59:24,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:59:24,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:59:24,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:59:24,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:59:24,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:59:24,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:59:24,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:59:24,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:59:24,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:59:24,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:59:24,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:59:24,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:59:24,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:59:24,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:59:24,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:59:24,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:59:25,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:59:25,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:59:25,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:59:25,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:59:25,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:59:25,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:59:25,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:59:25,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 20:59:25,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:59:25,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:59:25,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:59:25,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:59:25,031 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:59:25,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:59:25,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:59:25,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:59:25,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:59:25,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:59:25,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 20:59:25,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 20:59:25,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 20:59:25,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:59:25,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:59:25,035 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:59:25,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 20:59:25,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:59:25,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:59:25,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 20:59:25,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 20:59:25,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 20:59:25,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:59:25,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 20:59:25,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 20:59:25,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:59:25,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 20:59:25,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 20:59:25,039 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 -> 0fc1a5d7bced8b0772de8cf3eb4e884f73b18851 [2019-11-19 20:59:25,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:59:25,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:59:25,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:59:25,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:59:25,377 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:59:25,378 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label39.c [2019-11-19 20:59:25,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d165a76a9/0124414d20444df4a0c0a945ded3eaa2/FLAG6afe1ba36 [2019-11-19 20:59:26,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:59:26,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label39.c [2019-11-19 20:59:26,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d165a76a9/0124414d20444df4a0c0a945ded3eaa2/FLAG6afe1ba36 [2019-11-19 20:59:26,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d165a76a9/0124414d20444df4a0c0a945ded3eaa2 [2019-11-19 20:59:26,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:59:26,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:59:26,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:59:26,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:59:26,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:59:26,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:26" (1/1) ... [2019-11-19 20:59:26,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ccec9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:26, skipping insertion in model container [2019-11-19 20:59:26,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:26" (1/1) ... [2019-11-19 20:59:26,315 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:59:26,378 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:59:26,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:59:26,887 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:59:27,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:59:27,073 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:59:27,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27 WrapperNode [2019-11-19 20:59:27,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:59:27,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:59:27,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:59:27,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:59:27,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:59:27,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:59:27,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:59:27,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:59:27,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... [2019-11-19 20:59:27,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:59:27,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:59:27,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:59:27,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:59:27,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 20:59:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:59:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:59:28,640 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:59:28,640 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 20:59:28,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:28 BoogieIcfgContainer [2019-11-19 20:59:28,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:59:28,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 20:59:28,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 20:59:28,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 20:59:28,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:59:26" (1/3) ... [2019-11-19 20:59:28,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbef063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:59:28, skipping insertion in model container [2019-11-19 20:59:28,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:27" (2/3) ... [2019-11-19 20:59:28,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbef063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:59:28, skipping insertion in model container [2019-11-19 20:59:28,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:28" (3/3) ... [2019-11-19 20:59:28,658 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label39.c [2019-11-19 20:59:28,669 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 20:59:28,678 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 20:59:28,690 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 20:59:28,731 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 20:59:28,731 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 20:59:28,732 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 20:59:28,732 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:59:28,732 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:59:28,732 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 20:59:28,733 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:59:28,733 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 20:59:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-19 20:59:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 20:59:28,760 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:28,761 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] [2019-11-19 20:59:28,762 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:28,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:28,767 INFO L82 PathProgramCache]: Analyzing trace with hash 678582746, now seen corresponding path program 1 times [2019-11-19 20:59:28,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:28,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455639442] [2019-11-19 20:59:28,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:29,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:29,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455639442] [2019-11-19 20:59:29,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:29,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:29,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138051565] [2019-11-19 20:59:29,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:29,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:29,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:29,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:29,045 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-19 20:59:30,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:30,672 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2019-11-19 20:59:30,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:30,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-11-19 20:59:30,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:30,694 INFO L225 Difference]: With dead ends: 694 [2019-11-19 20:59:30,694 INFO L226 Difference]: Without dead ends: 421 [2019-11-19 20:59:30,699 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:30,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-19 20:59:30,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-19 20:59:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-19 20:59:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-11-19 20:59:30,769 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 26 [2019-11-19 20:59:30,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:30,770 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-11-19 20:59:30,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:30,770 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-11-19 20:59:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-19 20:59:30,774 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:30,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:30,775 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:30,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:30,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1630871965, now seen corresponding path program 1 times [2019-11-19 20:59:30,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:30,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253774008] [2019-11-19 20:59:30,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:31,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253774008] [2019-11-19 20:59:31,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:31,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:31,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486630970] [2019-11-19 20:59:31,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:31,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:31,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:31,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:31,038 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2019-11-19 20:59:32,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:32,070 INFO L93 Difference]: Finished difference Result 840 states and 1290 transitions. [2019-11-19 20:59:32,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:32,071 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2019-11-19 20:59:32,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:32,076 INFO L225 Difference]: With dead ends: 840 [2019-11-19 20:59:32,076 INFO L226 Difference]: Without dead ends: 560 [2019-11-19 20:59:32,078 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:32,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-19 20:59:32,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2019-11-19 20:59:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-19 20:59:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2019-11-19 20:59:32,106 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 95 [2019-11-19 20:59:32,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:32,107 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2019-11-19 20:59:32,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2019-11-19 20:59:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-19 20:59:32,112 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:32,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:32,112 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:32,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:32,113 INFO L82 PathProgramCache]: Analyzing trace with hash 446653076, now seen corresponding path program 1 times [2019-11-19 20:59:32,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:32,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587308262] [2019-11-19 20:59:32,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:32,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587308262] [2019-11-19 20:59:32,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:32,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 20:59:32,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678192688] [2019-11-19 20:59:32,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:32,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:32,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:32,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:32,262 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 4 states. [2019-11-19 20:59:33,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:33,284 INFO L93 Difference]: Finished difference Result 1535 states and 2162 transitions. [2019-11-19 20:59:33,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:33,285 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2019-11-19 20:59:33,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:33,292 INFO L225 Difference]: With dead ends: 1535 [2019-11-19 20:59:33,293 INFO L226 Difference]: Without dead ends: 1116 [2019-11-19 20:59:33,295 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:33,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-19 20:59:33,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 838. [2019-11-19 20:59:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-11-19 20:59:33,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1108 transitions. [2019-11-19 20:59:33,336 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1108 transitions. Word has length 101 [2019-11-19 20:59:33,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:33,338 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1108 transitions. [2019-11-19 20:59:33,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1108 transitions. [2019-11-19 20:59:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-19 20:59:33,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:33,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:33,350 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:33,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:33,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2087183421, now seen corresponding path program 1 times [2019-11-19 20:59:33,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:33,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528165421] [2019-11-19 20:59:33,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:33,567 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528165421] [2019-11-19 20:59:33,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:33,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:33,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895000501] [2019-11-19 20:59:33,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:33,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:33,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:33,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:33,571 INFO L87 Difference]: Start difference. First operand 838 states and 1108 transitions. Second operand 4 states. [2019-11-19 20:59:34,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:34,710 INFO L93 Difference]: Finished difference Result 1813 states and 2398 transitions. [2019-11-19 20:59:34,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:34,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-11-19 20:59:34,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:34,717 INFO L225 Difference]: With dead ends: 1813 [2019-11-19 20:59:34,717 INFO L226 Difference]: Without dead ends: 977 [2019-11-19 20:59:34,720 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-19 20:59:34,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-19 20:59:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-19 20:59:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1152 transitions. [2019-11-19 20:59:34,750 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1152 transitions. Word has length 134 [2019-11-19 20:59:34,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:34,751 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1152 transitions. [2019-11-19 20:59:34,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1152 transitions. [2019-11-19 20:59:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-19 20:59:34,755 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:34,755 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:34,756 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:34,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:34,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1855801739, now seen corresponding path program 1 times [2019-11-19 20:59:34,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:34,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477888806] [2019-11-19 20:59:34,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:35,252 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477888806] [2019-11-19 20:59:35,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:35,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 20:59:35,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534844279] [2019-11-19 20:59:35,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 20:59:35,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:35,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 20:59:35,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-19 20:59:35,256 INFO L87 Difference]: Start difference. First operand 977 states and 1152 transitions. Second operand 8 states. [2019-11-19 20:59:36,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:36,596 INFO L93 Difference]: Finished difference Result 2105 states and 2465 transitions. [2019-11-19 20:59:36,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 20:59:36,596 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2019-11-19 20:59:36,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:36,603 INFO L225 Difference]: With dead ends: 2105 [2019-11-19 20:59:36,603 INFO L226 Difference]: Without dead ends: 1130 [2019-11-19 20:59:36,605 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-11-19 20:59:36,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2019-11-19 20:59:36,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1116. [2019-11-19 20:59:36,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-19 20:59:36,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1296 transitions. [2019-11-19 20:59:36,629 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1296 transitions. Word has length 139 [2019-11-19 20:59:36,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:36,630 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1296 transitions. [2019-11-19 20:59:36,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 20:59:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1296 transitions. [2019-11-19 20:59:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-19 20:59:36,633 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:36,634 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:36,634 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:36,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:36,635 INFO L82 PathProgramCache]: Analyzing trace with hash 282954665, now seen corresponding path program 1 times [2019-11-19 20:59:36,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:36,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150796055] [2019-11-19 20:59:36,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-19 20:59:36,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150796055] [2019-11-19 20:59:36,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:36,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 20:59:36,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507523250] [2019-11-19 20:59:36,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:36,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:36,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:36,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:36,849 INFO L87 Difference]: Start difference. First operand 1116 states and 1296 transitions. Second operand 4 states. [2019-11-19 20:59:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:38,040 INFO L93 Difference]: Finished difference Result 3618 states and 4285 transitions. [2019-11-19 20:59:38,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:38,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-11-19 20:59:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:38,041 INFO L225 Difference]: With dead ends: 3618 [2019-11-19 20:59:38,041 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 20:59:38,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:38,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 20:59:38,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 20:59:38,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 20:59:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 20:59:38,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2019-11-19 20:59:38,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:38,048 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:59:38,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 20:59:38,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 20:59:38,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 20:59:38,374 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 21 [2019-11-19 20:59:38,380 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-19 20:59:38,380 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,380 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,380 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,381 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,381 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,381 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,381 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-19 20:59:38,381 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-19 20:59:38,381 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-19 20:59:38,384 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-19 20:59:38,385 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-19 20:59:38,385 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-19 20:59:38,385 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-19 20:59:38,390 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-19 20:59:38,392 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-19 20:59:38,392 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-19 20:59:38,392 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-19 20:59:38,393 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,393 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,393 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,393 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,395 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,395 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-19 20:59:38,395 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-19 20:59:38,395 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-19 20:59:38,396 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-19 20:59:38,397 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-19 20:59:38,397 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-19 20:59:38,397 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-19 20:59:38,397 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-19 20:59:38,398 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-19 20:59:38,398 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-19 20:59:38,400 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-19 20:59:38,400 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-19 20:59:38,400 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-19 20:59:38,400 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-19 20:59:38,401 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,401 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,401 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,401 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,401 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,402 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-19 20:59:38,402 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-19 20:59:38,405 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-19 20:59:38,405 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-19 20:59:38,405 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-19 20:59:38,406 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-19 20:59:38,406 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= 10 ~a19~0))) (.cse1 (= ~a10~0 0))) (or (and .cse0 (not .cse1)) (and (< 0 (+ ~a1~0 13)) .cse0) (= 1 ~a10~0) (and .cse1 (not (= ~a19~0 8))))) [2019-11-19 20:59:38,407 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-19 20:59:38,407 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-19 20:59:38,407 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-19 20:59:38,408 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-19 20:59:38,408 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,409 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,409 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,409 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,410 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,410 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-19 20:59:38,410 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-19 20:59:38,410 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-19 20:59:38,411 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-19 20:59:38,411 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-19 20:59:38,411 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-19 20:59:38,411 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-19 20:59:38,412 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-19 20:59:38,412 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-19 20:59:38,412 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-19 20:59:38,412 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-19 20:59:38,413 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-19 20:59:38,413 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-19 20:59:38,413 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-19 20:59:38,414 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,414 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,414 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,414 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,415 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,415 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-19 20:59:38,415 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-19 20:59:38,415 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-19 20:59:38,416 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-19 20:59:38,416 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-19 20:59:38,416 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-19 20:59:38,416 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-19 20:59:38,417 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-19 20:59:38,417 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-19 20:59:38,417 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,417 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,418 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,418 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,418 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,419 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-19 20:59:38,419 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-19 20:59:38,419 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-19 20:59:38,419 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-19 20:59:38,420 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-19 20:59:38,420 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-19 20:59:38,420 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-19 20:59:38,420 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-19 20:59:38,421 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 20:59:38,421 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-19 20:59:38,421 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-19 20:59:38,421 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 20:59:38,422 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-19 20:59:38,424 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= 10 ~a19~0))) (.cse1 (= ~a10~0 0))) (or (and .cse0 (not .cse1)) (and (< 0 (+ ~a1~0 13)) .cse0) (= 1 ~a10~0) (and .cse1 (not (= ~a19~0 8))))) [2019-11-19 20:59:38,424 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-19 20:59:38,424 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,424 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,425 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,425 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,425 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-19 20:59:38,426 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,426 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,426 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-19 20:59:38,426 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-19 20:59:38,427 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-19 20:59:38,427 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-19 20:59:38,427 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-19 20:59:38,427 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-19 20:59:38,428 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-19 20:59:38,428 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-19 20:59:38,428 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 20:59:38,429 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-19 20:59:38,429 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-19 20:59:38,429 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-19 20:59:38,429 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-19 20:59:38,430 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,430 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,430 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,431 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,435 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,435 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,435 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-19 20:59:38,436 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-19 20:59:38,436 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-19 20:59:38,436 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 20:59:38,436 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-19 20:59:38,437 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-19 20:59:38,438 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-19 20:59:38,438 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-19 20:59:38,438 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-19 20:59:38,439 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 20:59:38,442 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-19 20:59:38,442 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-19 20:59:38,442 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-19 20:59:38,443 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-19 20:59:38,443 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-19 20:59:38,443 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-19 20:59:38,443 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,444 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,444 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,444 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,444 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,445 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,445 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-19 20:59:38,445 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-19 20:59:38,446 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-19 20:59:38,446 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-19 20:59:38,446 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-19 20:59:38,446 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-19 20:59:38,447 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 20:59:38,447 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-19 20:59:38,447 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-19 20:59:38,447 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-19 20:59:38,448 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-19 20:59:38,448 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-19 20:59:38,448 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-19 20:59:38,448 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-19 20:59:38,449 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,449 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,449 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,449 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,452 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,453 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,453 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-19 20:59:38,453 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-19 20:59:38,453 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-19 20:59:38,454 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-19 20:59:38,454 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-19 20:59:38,454 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-19 20:59:38,454 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-19 20:59:38,455 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-19 20:59:38,455 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-19 20:59:38,455 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-19 20:59:38,455 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-19 20:59:38,455 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 20:59:38,456 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-19 20:59:38,456 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-19 20:59:38,456 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,457 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,457 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,457 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,457 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,458 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:38,458 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-19 20:59:38,458 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-19 20:59:38,458 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-19 20:59:38,459 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-19 20:59:38,459 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-19 20:59:38,459 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-19 20:59:38,459 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-19 20:59:38,460 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-19 20:59:38,460 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-19 20:59:38,460 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-19 20:59:38,460 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-19 20:59:38,461 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-19 20:59:38,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:59:38 BoogieIcfgContainer [2019-11-19 20:59:38,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 20:59:38,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:59:38,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:59:38,492 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:59:38,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:28" (3/4) ... [2019-11-19 20:59:38,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 20:59:38,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 20:59:38,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 20:59:38,852 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:59:38,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:59:38,856 INFO L168 Benchmark]: Toolchain (without parser) took 12557.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.8 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -85.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:38,857 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. [2019-11-19 20:59:38,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -123.9 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:38,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.18 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. [2019-11-19 20:59:38,859 INFO L168 Benchmark]: Boogie Preprocessor took 111.55 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:38,859 INFO L168 Benchmark]: RCFGBuilder took 1334.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.5 MB in the end (delta: 101.1 MB). Peak memory consumption was 101.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:38,860 INFO L168 Benchmark]: TraceAbstraction took 9845.76 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 962.5 MB in the beginning and 1.1 GB in the end (delta: -103.0 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:38,861 INFO L168 Benchmark]: Witness Printer took 361.19 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:38,864 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 775.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -123.9 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.18 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 111.55 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1334.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.5 MB in the end (delta: 101.1 MB). Peak memory consumption was 101.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9845.76 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 962.5 MB in the beginning and 1.1 GB in the end (delta: -103.0 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. * Witness Printer took 361.19 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: (((!(10 == a19) && !(a10 == 0)) || (0 < a1 + 13 && !(10 == a19))) || 1 == a10) || (a10 == 0 && !(a19 == 8)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(10 == a19) && !(a10 == 0)) || (0 < a1 + 13 && !(10 == a19))) || 1 == a10) || (a10 == 0 && !(a19 == 8)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 9.7s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 489 SDtfs, 1660 SDslu, 91 SDs, 0 SdLazy, 4943 SolverSat, 668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 570 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 63 HoareAnnotationTreeSize, 3 FomulaSimplifications, 899 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 880 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 695 NumberOfCodeBlocks, 695 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 689 ConstructedInterpolants, 0 QuantifiedInterpolants, 448052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 204/204 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...