java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 00:45:00,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 00:45:00,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 00:45:00,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-02 00:45:00,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 00:45:00,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 00:45:00,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 00:45:00,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 00:45:00,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 00:45:00,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 00:45:00,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 00:45:00,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 00:45:00,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 00:45:00,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 00:45:00,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 00:45:00,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 00:45:00,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 00:45:00,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 00:45:00,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 00:45:00,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 00:45:00,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 00:45:00,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 00:45:00,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 00:45:00,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 00:45:00,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 00:45:00,129 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 00:45:00,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 00:45:00,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 00:45:00,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 00:45:00,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 00:45:00,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 00:45:00,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 00:45:00,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 00:45:00,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 00:45:00,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 00:45:00,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 00:45:00,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 00:45:00,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 00:45:00,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 00:45:00,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 00:45:00,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 00:45:00,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 00:45:00,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 00:45:00,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 00:45:00,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 00:45:00,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 00:45:00,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 00:45:00,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 00:45:00,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 00:45:00,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 00:45:00,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 00:45:00,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 00:45:00,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 00:45:00,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 00:45:00,192 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 00:45:00,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2019-10-02 00:45:00,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f409dd5e9/dfc5e179fb8f4cad906ae573d3915304/FLAG529434991 [2019-10-02 00:45:00,806 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 00:45:00,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2019-10-02 00:45:00,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f409dd5e9/dfc5e179fb8f4cad906ae573d3915304/FLAG529434991 [2019-10-02 00:45:01,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f409dd5e9/dfc5e179fb8f4cad906ae573d3915304 [2019-10-02 00:45:01,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 00:45:01,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 00:45:01,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 00:45:01,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 00:45:01,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 00:45:01,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:45:01" (1/1) ... [2019-10-02 00:45:01,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ff5150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:01, skipping insertion in model container [2019-10-02 00:45:01,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:45:01" (1/1) ... [2019-10-02 00:45:01,125 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 00:45:01,187 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 00:45:01,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:45:01,878 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 00:45:01,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:45:02,003 INFO L192 MainTranslator]: Completed translation [2019-10-02 00:45:02,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02 WrapperNode [2019-10-02 00:45:02,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 00:45:02,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 00:45:02,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 00:45:02,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 00:45:02,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (1/1) ... [2019-10-02 00:45:02,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (1/1) ... [2019-10-02 00:45:02,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (1/1) ... [2019-10-02 00:45:02,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (1/1) ... [2019-10-02 00:45:02,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (1/1) ... [2019-10-02 00:45:02,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (1/1) ... [2019-10-02 00:45:02,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (1/1) ... [2019-10-02 00:45:02,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 00:45:02,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 00:45:02,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 00:45:02,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 00:45:02,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (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 [2019-10-02 00:45:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 00:45:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 00:45:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-02 00:45:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 00:45:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-02 00:45:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 00:45:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 00:45:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-02 00:45:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 00:45:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 00:45:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 00:45:03,299 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 00:45:03,301 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 00:45:03,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:45:03 BoogieIcfgContainer [2019-10-02 00:45:03,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 00:45:03,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 00:45:03,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 00:45:03,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 00:45:03,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 12:45:01" (1/3) ... [2019-10-02 00:45:03,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7d5dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:45:03, skipping insertion in model container [2019-10-02 00:45:03,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:45:02" (2/3) ... [2019-10-02 00:45:03,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7d5dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:45:03, skipping insertion in model container [2019-10-02 00:45:03,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:45:03" (3/3) ... [2019-10-02 00:45:03,312 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label55.c [2019-10-02 00:45:03,322 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 00:45:03,331 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 00:45:03,347 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 00:45:03,391 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 00:45:03,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 00:45:03,393 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 00:45:03,393 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 00:45:03,394 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 00:45:03,394 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 00:45:03,394 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 00:45:03,394 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 00:45:03,395 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 00:45:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-02 00:45:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-02 00:45:03,446 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:03,448 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:03,450 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:03,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:03,456 INFO L82 PathProgramCache]: Analyzing trace with hash -462333177, now seen corresponding path program 1 times [2019-10-02 00:45:03,458 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:03,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:03,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:03,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:03,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:45:03,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:45:03,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 00:45:03,959 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 00:45:03,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 00:45:03,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:45:03,972 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-10-02 00:45:04,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:04,862 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2019-10-02 00:45:04,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 00:45:04,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-10-02 00:45:04,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:04,891 INFO L225 Difference]: With dead ends: 547 [2019-10-02 00:45:04,892 INFO L226 Difference]: Without dead ends: 278 [2019-10-02 00:45:04,903 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:45:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-10-02 00:45:05,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-10-02 00:45:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-10-02 00:45:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2019-10-02 00:45:05,014 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 117 [2019-10-02 00:45:05,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:05,016 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2019-10-02 00:45:05,016 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 00:45:05,016 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2019-10-02 00:45:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-02 00:45:05,026 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:05,027 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:05,028 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:05,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:05,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1604702730, now seen corresponding path program 1 times [2019-10-02 00:45:05,029 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:05,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:05,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:05,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:05,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:45:05,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:45:05,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 00:45:05,198 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 00:45:05,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 00:45:05,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 00:45:05,199 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2019-10-02 00:45:06,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:06,022 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2019-10-02 00:45:06,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 00:45:06,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2019-10-02 00:45:06,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:06,029 INFO L225 Difference]: With dead ends: 840 [2019-10-02 00:45:06,029 INFO L226 Difference]: Without dead ends: 568 [2019-10-02 00:45:06,030 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 00:45:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-10-02 00:45:06,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2019-10-02 00:45:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-10-02 00:45:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2019-10-02 00:45:06,069 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 126 [2019-10-02 00:45:06,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:06,071 INFO L475 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2019-10-02 00:45:06,071 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 00:45:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2019-10-02 00:45:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-02 00:45:06,078 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:06,082 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:06,082 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:06,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:06,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1555807011, now seen corresponding path program 1 times [2019-10-02 00:45:06,083 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:06,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:06,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:06,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:06,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:06,217 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:45:06,217 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:45:06,217 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-10-02 00:45:06,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:45:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:06,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:45:06,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:45:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-02 00:45:06,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:45:06,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-02 00:45:06,468 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 00:45:06,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 00:45:06,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 00:45:06,469 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 7 states. [2019-10-02 00:45:07,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:08,000 INFO L93 Difference]: Finished difference Result 1962 states and 2915 transitions. [2019-10-02 00:45:08,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 00:45:08,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2019-10-02 00:45:08,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:08,012 INFO L225 Difference]: With dead ends: 1962 [2019-10-02 00:45:08,012 INFO L226 Difference]: Without dead ends: 1410 [2019-10-02 00:45:08,014 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2019-10-02 00:45:08,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2019-10-02 00:45:08,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1114. [2019-10-02 00:45:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2019-10-02 00:45:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1503 transitions. [2019-10-02 00:45:08,094 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1503 transitions. Word has length 137 [2019-10-02 00:45:08,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:08,095 INFO L475 AbstractCegarLoop]: Abstraction has 1114 states and 1503 transitions. [2019-10-02 00:45:08,095 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 00:45:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1503 transitions. [2019-10-02 00:45:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-02 00:45:08,101 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:08,102 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:08,102 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:08,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:08,103 INFO L82 PathProgramCache]: Analyzing trace with hash -879876428, now seen corresponding path program 1 times [2019-10-02 00:45:08,103 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:08,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:08,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:08,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:08,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:45:08,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:45:08,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 00:45:08,274 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 00:45:08,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 00:45:08,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 00:45:08,274 INFO L87 Difference]: Start difference. First operand 1114 states and 1503 transitions. Second operand 6 states. [2019-10-02 00:45:09,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:09,020 INFO L93 Difference]: Finished difference Result 2794 states and 3878 transitions. [2019-10-02 00:45:09,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 00:45:09,023 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2019-10-02 00:45:09,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:09,032 INFO L225 Difference]: With dead ends: 2794 [2019-10-02 00:45:09,032 INFO L226 Difference]: Without dead ends: 1686 [2019-10-02 00:45:09,034 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:45:09,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2019-10-02 00:45:09,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1267. [2019-10-02 00:45:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2019-10-02 00:45:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1687 transitions. [2019-10-02 00:45:09,081 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1687 transitions. Word has length 145 [2019-10-02 00:45:09,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:09,081 INFO L475 AbstractCegarLoop]: Abstraction has 1267 states and 1687 transitions. [2019-10-02 00:45:09,081 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 00:45:09,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1687 transitions. [2019-10-02 00:45:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-02 00:45:09,086 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:09,086 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:09,086 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:09,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:09,087 INFO L82 PathProgramCache]: Analyzing trace with hash 792956155, now seen corresponding path program 1 times [2019-10-02 00:45:09,087 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:09,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:09,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:09,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:09,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:45:09,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:45:09,174 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:45:09,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:09,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:45:09,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:45:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:45:09,359 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:45:09,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-10-02 00:45:09,360 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 00:45:09,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 00:45:09,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:45:09,361 INFO L87 Difference]: Start difference. First operand 1267 states and 1687 transitions. Second operand 9 states. [2019-10-02 00:45:12,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:12,062 INFO L93 Difference]: Finished difference Result 5279 states and 7683 transitions. [2019-10-02 00:45:12,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-02 00:45:12,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2019-10-02 00:45:12,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:12,088 INFO L225 Difference]: With dead ends: 5279 [2019-10-02 00:45:12,089 INFO L226 Difference]: Without dead ends: 4018 [2019-10-02 00:45:12,096 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2019-10-02 00:45:12,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4018 states. [2019-10-02 00:45:12,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4018 to 3082. [2019-10-02 00:45:12,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3082 states. [2019-10-02 00:45:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 3865 transitions. [2019-10-02 00:45:12,217 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 3865 transitions. Word has length 156 [2019-10-02 00:45:12,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:12,217 INFO L475 AbstractCegarLoop]: Abstraction has 3082 states and 3865 transitions. [2019-10-02 00:45:12,218 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 00:45:12,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3865 transitions. [2019-10-02 00:45:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-02 00:45:12,228 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:12,228 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:12,229 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:12,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:12,229 INFO L82 PathProgramCache]: Analyzing trace with hash 860745607, now seen corresponding path program 1 times [2019-10-02 00:45:12,229 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:12,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:12,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:12,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:12,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:45:12,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:45:12,401 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:45:12,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:12,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:45:12,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:45:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 00:45:12,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:45:12,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-02 00:45:12,561 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 00:45:12,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 00:45:12,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 00:45:12,561 INFO L87 Difference]: Start difference. First operand 3082 states and 3865 transitions. Second operand 7 states. [2019-10-02 00:45:14,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:14,271 INFO L93 Difference]: Finished difference Result 7104 states and 9313 transitions. [2019-10-02 00:45:14,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-02 00:45:14,275 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2019-10-02 00:45:14,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:14,276 INFO L225 Difference]: With dead ends: 7104 [2019-10-02 00:45:14,276 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 00:45:14,297 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2019-10-02 00:45:14,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 00:45:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 00:45:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 00:45:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 00:45:14,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 162 [2019-10-02 00:45:14,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:14,300 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 00:45:14,308 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 00:45:14,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 00:45:14,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 00:45:14,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 00:45:14,940 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 113 [2019-10-02 00:45:15,309 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 113 [2019-10-02 00:45:16,021 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 52 [2019-10-02 00:45:16,540 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 43 [2019-10-02 00:45:17,041 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 43 [2019-10-02 00:45:17,043 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,044 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-02 00:45:17,045 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-02 00:45:17,046 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-02 00:45:17,047 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-02 00:45:17,047 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-02 00:45:17,047 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-02 00:45:17,047 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-02 00:45:17,047 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-02 00:45:17,047 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-02 00:45:17,047 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-02 00:45:17,047 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,048 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,049 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-02 00:45:17,050 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-02 00:45:17,051 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-02 00:45:17,052 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-02 00:45:17,053 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-02 00:45:17,054 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,055 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,056 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,056 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-02 00:45:17,056 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-02 00:45:17,056 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-02 00:45:17,056 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-02 00:45:17,056 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-02 00:45:17,056 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-02 00:45:17,056 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-02 00:45:17,057 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-02 00:45:17,057 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-02 00:45:17,057 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-02 00:45:17,057 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (= ~a17~0 |old(~a17~0)|)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a8~0 |old(~a8~0)|)) (.cse10 (= ~a20~0 |old(~a20~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= 6 |old(~a16~0)|)) (.cse13 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (not (<= 15 |old(~a8~0)|))) (.cse0 (or .cse13 (= 4 |old(~a16~0)|))) (.cse5 (not (= 1 |old(~a20~0)|))) (.cse3 (or .cse12 .cse13)) (.cse4 (not (<= |old(~a8~0)| 13))) (.cse1 (and .cse7 .cse8 .cse9 .cse10 .cse11)) (.cse6 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse1 (or .cse4 .cse5 .cse6)) (or (and .cse7 .cse8 (and .cse9 .cse10 .cse11)) (or .cse4 .cse5 .cse0)) (or .cse5 .cse3 .cse1) (or .cse12 .cse4 .cse1) (or (or .cse13 (= 13 |old(~a8~0)|) .cse6) (and .cse7 (and .cse8 .cse9 .cse11) .cse10))))) [2019-10-02 00:45:17,057 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-02 00:45:17,057 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-02 00:45:17,058 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-02 00:45:17,059 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,060 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-02 00:45:17,061 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 00:45:17,062 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2019-10-02 00:45:17,062 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 00:45:17,062 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 00:45:17,062 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a21~0 |old(~a21~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a17~0)|))) [2019-10-02 00:45:17,062 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-02 00:45:17,062 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 0)) (.cse1 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6))) (.cse0 (= ~a21~0 1)) (.cse4 (= ~a20~0 1))) (or (not (= 1 |old(~a21~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (<= 15 ~a8~0) .cse0) (and .cse1 .cse2) (and .cse3 .cse0 (not (= ~a8~0 13))) (and .cse1 .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse0 (= ~a20~0 |old(~a20~0)|)) (and .cse2 .cse0 .cse4))) [2019-10-02 00:45:17,062 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-02 00:45:17,062 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-02 00:45:17,062 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 0)) (.cse1 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6))) (.cse0 (= ~a21~0 1)) (.cse4 (= ~a20~0 1))) (or (not (= 1 |old(~a21~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (<= 15 ~a8~0) .cse0) (and .cse1 .cse2) (and .cse3 .cse0 (not (= ~a8~0 13))) (and .cse1 .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse0 (= ~a20~0 |old(~a20~0)|)) (and .cse2 .cse0 .cse4))) [2019-10-02 00:45:17,062 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-02 00:45:17,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 12:45:17 BoogieIcfgContainer [2019-10-02 00:45:17,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 00:45:17,081 INFO L168 Benchmark]: Toolchain (without parser) took 15972.58 ms. Allocated memory was 137.4 MB in the beginning and 468.7 MB in the end (delta: 331.4 MB). Free memory was 87.9 MB in the beginning and 394.6 MB in the end (delta: -306.7 MB). Peak memory consumption was 297.2 MB. Max. memory is 7.1 GB. [2019-10-02 00:45:17,082 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 00:45:17,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 895.19 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 161.7 MB in the end (delta: -74.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-02 00:45:17,084 INFO L168 Benchmark]: Boogie Preprocessor took 113.06 ms. Allocated memory is still 203.9 MB. Free memory was 161.7 MB in the beginning and 156.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-02 00:45:17,085 INFO L168 Benchmark]: RCFGBuilder took 1184.04 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 156.9 MB in the beginning and 169.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-10-02 00:45:17,087 INFO L168 Benchmark]: TraceAbstraction took 13775.75 ms. Allocated memory was 231.2 MB in the beginning and 468.7 MB in the end (delta: 237.5 MB). Free memory was 169.5 MB in the beginning and 394.6 MB in the end (delta: -225.1 MB). Peak memory consumption was 285.0 MB. Max. memory is 7.1 GB. [2019-10-02 00:45:17,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 895.19 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 161.7 MB in the end (delta: -74.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.06 ms. Allocated memory is still 203.9 MB. Free memory was 161.7 MB in the beginning and 156.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.04 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 156.9 MB in the beginning and 169.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13775.75 ms. Allocated memory was 231.2 MB in the beginning and 468.7 MB in the end (delta: 237.5 MB). Free memory was 169.5 MB in the beginning and 394.6 MB in the end (delta: -225.1 MB). Peak memory consumption was 285.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(a21)) || !(15 <= \old(a8))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (15 <= a8 && a21 == 1)) || (a8 <= 13 && !(a16 == 6))) || ((a17 <= 0 && a21 == 1) && !(a8 == 13))) || ((a8 <= 13 && a17 <= 0) && a20 == 1)) || !(1 == \old(a17))) || ((a8 <= 13 && a21 == 1) && a20 == \old(a20))) || ((!(a16 == 6) && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 8.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 232 SDtfs, 3574 SDslu, 477 SDs, 0 SdLazy, 6659 SolverSat, 1343 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 493 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3082occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1661 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 222 NumberOfFragments, 433 HoareAnnotationTreeSize, 110 FomulaSimplifications, 27800 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6371 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1298 NumberOfCodeBlocks, 1298 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1289 ConstructedInterpolants, 0 QuantifiedInterpolants, 434624 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1321 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 265/273 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...