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_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 00:43:08,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 00:43:08,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 00:43:08,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-02 00:43:08,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 00:43:08,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 00:43:08,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 00:43:08,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 00:43:08,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 00:43:08,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 00:43:08,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 00:43:08,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 00:43:08,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 00:43:08,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 00:43:08,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 00:43:08,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 00:43:08,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 00:43:08,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 00:43:08,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 00:43:08,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 00:43:08,155 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 00:43:08,176 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 00:43:08,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 00:43:08,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 00:43:08,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 00:43:08,181 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 00:43:08,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 00:43:08,181 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 00:43:08,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 00:43:08,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 00:43:08,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 00:43:08,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 00:43:08,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 00:43:08,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 00:43:08,184 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 00:43:08,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 00:43:08,185 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 00:43:08,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 00:43:08,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 00:43:08,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 00:43:08,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 00:43:08,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 00:43:08,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 00:43:08,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 00:43:08,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 00:43:08,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 00:43:08,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 00:43:08,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 00:43:08,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 00:43:08,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 00:43:08,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 00:43:08,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 00:43:08,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 00:43:08,266 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 00:43:08,267 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 00:43:08,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2019-10-02 00:43:08,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d86c4a1/9be3499defed4ce3ba3a62f70de5fa09/FLAGbb05416aa [2019-10-02 00:43:08,909 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 00:43:08,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2019-10-02 00:43:08,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d86c4a1/9be3499defed4ce3ba3a62f70de5fa09/FLAGbb05416aa [2019-10-02 00:43:09,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d86c4a1/9be3499defed4ce3ba3a62f70de5fa09 [2019-10-02 00:43:09,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 00:43:09,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 00:43:09,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 00:43:09,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 00:43:09,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 00:43:09,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:09,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2e1afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09, skipping insertion in model container [2019-10-02 00:43:09,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:09,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 00:43:09,259 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 00:43:09,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:43:09,741 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 00:43:09,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:43:09,886 INFO L192 MainTranslator]: Completed translation [2019-10-02 00:43:09,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09 WrapperNode [2019-10-02 00:43:09,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 00:43:09,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 00:43:09,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 00:43:09,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 00:43:09,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:09,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:09,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:09,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:10,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:10,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:10,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (1/1) ... [2019-10-02 00:43:10,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 00:43:10,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 00:43:10,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 00:43:10,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 00:43:10,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (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 00:43:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 00:43:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 00:43:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-02 00:43:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 00:43:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-02 00:43:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 00:43:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 00:43:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-02 00:43:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 00:43:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 00:43:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 00:43:11,292 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 00:43:11,292 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 00:43:11,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:43:11 BoogieIcfgContainer [2019-10-02 00:43:11,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 00:43:11,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 00:43:11,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 00:43:11,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 00:43:11,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 12:43:09" (1/3) ... [2019-10-02 00:43:11,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2098f67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:43:11, skipping insertion in model container [2019-10-02 00:43:11,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:09" (2/3) ... [2019-10-02 00:43:11,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2098f67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:43:11, skipping insertion in model container [2019-10-02 00:43:11,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:43:11" (3/3) ... [2019-10-02 00:43:11,306 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label25.c [2019-10-02 00:43:11,319 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 00:43:11,331 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 00:43:11,353 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 00:43:11,414 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 00:43:11,415 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 00:43:11,415 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 00:43:11,415 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 00:43:11,415 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 00:43:11,415 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 00:43:11,416 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 00:43:11,416 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 00:43:11,416 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 00:43:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-02 00:43:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-02 00:43:11,472 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:11,473 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:11,476 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:11,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:11,483 INFO L82 PathProgramCache]: Analyzing trace with hash -665077081, now seen corresponding path program 1 times [2019-10-02 00:43:11,485 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:11,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:11,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:11,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:11,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:12,095 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 00:43:12,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:43:12,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 00:43:12,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 00:43:12,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 00:43:12,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:43:12,131 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-10-02 00:43:13,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:13,082 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2019-10-02 00:43:13,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 00:43:13,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-10-02 00:43:13,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:13,111 INFO L225 Difference]: With dead ends: 547 [2019-10-02 00:43:13,112 INFO L226 Difference]: Without dead ends: 278 [2019-10-02 00:43:13,124 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 00:43:13,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-10-02 00:43:13,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-10-02 00:43:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-10-02 00:43:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2019-10-02 00:43:13,216 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 125 [2019-10-02 00:43:13,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:13,218 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2019-10-02 00:43:13,218 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 00:43:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2019-10-02 00:43:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-02 00:43:13,222 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:13,222 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:13,223 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:13,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:13,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1811316394, now seen corresponding path program 1 times [2019-10-02 00:43:13,223 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:13,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:13,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:13,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:13,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:13,325 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 00:43:13,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:43:13,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 00:43:13,327 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 00:43:13,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 00:43:13,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 00:43:13,328 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2019-10-02 00:43:14,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:14,085 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2019-10-02 00:43:14,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 00:43:14,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2019-10-02 00:43:14,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:14,093 INFO L225 Difference]: With dead ends: 840 [2019-10-02 00:43:14,093 INFO L226 Difference]: Without dead ends: 568 [2019-10-02 00:43:14,095 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 00:43:14,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-10-02 00:43:14,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2019-10-02 00:43:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-10-02 00:43:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2019-10-02 00:43:14,143 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 134 [2019-10-02 00:43:14,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:14,144 INFO L475 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2019-10-02 00:43:14,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 00:43:14,144 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2019-10-02 00:43:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-02 00:43:14,148 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:14,148 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:14,148 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:14,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1203912387, now seen corresponding path program 1 times [2019-10-02 00:43:14,149 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:14,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:14,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:14,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:14,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:14,283 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 00:43:14,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:14,283 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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:14,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:14,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:43:14,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:14,517 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 00:43:14,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:43:14,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-02 00:43:14,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 00:43:14,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 00:43:14,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 00:43:14,532 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 7 states. [2019-10-02 00:43:16,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:16,021 INFO L93 Difference]: Finished difference Result 1960 states and 2898 transitions. [2019-10-02 00:43:16,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 00:43:16,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2019-10-02 00:43:16,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:16,042 INFO L225 Difference]: With dead ends: 1960 [2019-10-02 00:43:16,042 INFO L226 Difference]: Without dead ends: 1408 [2019-10-02 00:43:16,045 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 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 00:43:16,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2019-10-02 00:43:16,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1382. [2019-10-02 00:43:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2019-10-02 00:43:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1890 transitions. [2019-10-02 00:43:16,123 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1890 transitions. Word has length 145 [2019-10-02 00:43:16,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:16,124 INFO L475 AbstractCegarLoop]: Abstraction has 1382 states and 1890 transitions. [2019-10-02 00:43:16,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 00:43:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1890 transitions. [2019-10-02 00:43:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-02 00:43:16,129 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:16,129 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:16,129 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:16,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:16,130 INFO L82 PathProgramCache]: Analyzing trace with hash 874887550, now seen corresponding path program 1 times [2019-10-02 00:43:16,130 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:16,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:16,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:16,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:16,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:43:16,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:16,293 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 00:43:16,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:16,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:43:16,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:43:16,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:43:16,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-10-02 00:43:16,420 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 00:43:16,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 00:43:16,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-02 00:43:16,421 INFO L87 Difference]: Start difference. First operand 1382 states and 1890 transitions. Second operand 8 states. [2019-10-02 00:43:18,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:18,660 INFO L93 Difference]: Finished difference Result 5036 states and 7331 transitions. [2019-10-02 00:43:18,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 00:43:18,661 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2019-10-02 00:43:18,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:18,697 INFO L225 Difference]: With dead ends: 5036 [2019-10-02 00:43:18,697 INFO L226 Difference]: Without dead ends: 3660 [2019-10-02 00:43:18,705 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2019-10-02 00:43:18,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2019-10-02 00:43:18,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 2804. [2019-10-02 00:43:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2804 states. [2019-10-02 00:43:18,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3813 transitions. [2019-10-02 00:43:18,860 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 3813 transitions. Word has length 144 [2019-10-02 00:43:18,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:18,863 INFO L475 AbstractCegarLoop]: Abstraction has 2804 states and 3813 transitions. [2019-10-02 00:43:18,863 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 00:43:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3813 transitions. [2019-10-02 00:43:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-02 00:43:18,879 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:18,880 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 00:43:18,880 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:18,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:18,881 INFO L82 PathProgramCache]: Analyzing trace with hash 159569531, now seen corresponding path program 1 times [2019-10-02 00:43:18,881 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:18,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:18,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:18,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:18,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-02 00:43:19,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:19,110 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 00:43:19,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:19,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:43:19,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 00:43:19,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:43:19,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-10-02 00:43:19,300 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 00:43:19,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 00:43:19,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 00:43:19,301 INFO L87 Difference]: Start difference. First operand 2804 states and 3813 transitions. Second operand 6 states. [2019-10-02 00:43:20,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:20,918 INFO L93 Difference]: Finished difference Result 8757 states and 11800 transitions. [2019-10-02 00:43:20,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 00:43:20,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 212 [2019-10-02 00:43:20,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:20,920 INFO L225 Difference]: With dead ends: 8757 [2019-10-02 00:43:20,920 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 00:43:20,944 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-02 00:43:20,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 00:43:20,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 00:43:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 00:43:20,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 00:43:20,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2019-10-02 00:43:20,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:20,946 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 00:43:20,946 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 00:43:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 00:43:20,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 00:43:20,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 00:43:21,242 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2019-10-02 00:43:22,117 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 56 [2019-10-02 00:43:22,341 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-10-02 00:43:22,557 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-10-02 00:43:22,560 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 00:43:22,560 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a8~0 |old(~a8~0)|) (= ~a21~0 |old(~a21~0)|)) [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,561 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-02 00:43:22,562 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-02 00:43:22,562 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-02 00:43:22,562 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-02 00:43:22,562 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-02 00:43:22,562 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-02 00:43:22,562 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-02 00:43:22,562 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-02 00:43:22,562 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-02 00:43:22,563 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-02 00:43:22,563 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,563 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,563 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,566 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,566 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,566 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,566 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-02 00:43:22,566 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-02 00:43:22,566 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-02 00:43:22,567 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-02 00:43:22,567 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-02 00:43:22,567 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-02 00:43:22,567 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-02 00:43:22,567 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-02 00:43:22,567 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-02 00:43:22,567 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-02 00:43:22,567 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-02 00:43:22,568 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-02 00:43:22,568 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-02 00:43:22,568 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-02 00:43:22,568 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-02 00:43:22,568 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-02 00:43:22,571 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-02 00:43:22,572 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-02 00:43:22,572 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-02 00:43:22,572 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-02 00:43:22,572 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-02 00:43:22,572 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,572 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,572 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,573 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,573 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,573 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-02 00:43:22,573 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-02 00:43:22,573 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-02 00:43:22,573 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-02 00:43:22,573 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-02 00:43:22,573 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,574 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,575 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-02 00:43:22,576 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,577 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-02 00:43:22,578 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-02 00:43:22,579 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-02 00:43:22,580 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-02 00:43:22,580 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-02 00:43:22,580 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (= ~a8~0 |old(~a8~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse13 (= 13 |old(~a8~0)|))) (let ((.cse7 (not (<= |old(~a17~0)| 0))) (.cse6 (<= ~a17~0 0)) (.cse2 (= 1 |old(~a17~0)|)) (.cse5 (not (= ~a17~0 1))) (.cse9 (not .cse13)) (.cse1 (<= ~a7~0 0)) (.cse3 (not (<= |old(~a7~0)| 0))) (.cse8 (<= ~a20~0 0)) (.cse10 (not (<= |old(~a20~0)| 0))) (.cse4 (= 6 |old(~a16~0)|)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse14 (and .cse11 (not (= ~a16~0 6)) .cse12))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2) (or .cse6 (or .cse0 .cse7)) (or .cse4 .cse8 .cse9 .cse10) (or .cse4 .cse0 .cse1 .cse3) (or .cse7 (and .cse11 .cse6 .cse12) .cse9) (or .cse0 (and .cse11 .cse12 .cse1) .cse3 .cse9) (or .cse0 .cse13 .cse2 (and .cse11 .cse5 .cse12)) (or .cse4 .cse14 .cse9) (or .cse0 .cse1 .cse3 .cse10) (or .cse0 (and .cse11 .cse12 .cse8) .cse13 .cse10) (or .cse4 .cse0 .cse14)))) [2019-10-02 00:43:22,580 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-02 00:43:22,580 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,580 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,581 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,581 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,581 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-02 00:43:22,581 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,581 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,581 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-02 00:43:22,582 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-02 00:43:22,582 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-02 00:43:22,582 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-02 00:43:22,582 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-02 00:43:22,582 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-02 00:43:22,582 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-02 00:43:22,582 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-02 00:43:22,582 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,583 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-02 00:43:22,584 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,584 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-02 00:43:22,584 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-02 00:43:22,584 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-02 00:43:22,584 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-02 00:43:22,584 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-02 00:43:22,584 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-02 00:43:22,584 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-02 00:43:22,585 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-02 00:43:22,585 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-02 00:43:22,585 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-02 00:43:22,585 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-02 00:43:22,585 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-02 00:43:22,587 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-02 00:43:22,587 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-02 00:43:22,587 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,587 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,587 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,587 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,587 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,587 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-02 00:43:22,588 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-02 00:43:22,589 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-02 00:43:22,589 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 00:43:22,589 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (= ~a21~0 1) (<= ~a7~0 0) (not (= ~a8~0 13))) [2019-10-02 00:43:22,589 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 00:43:22,589 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 00:43:22,589 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and (= ~a8~0 |old(~a8~0)|) (not (= ~a16~0 6)) (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 0)) (not (<= |old(~a7~0)| 0))) [2019-10-02 00:43:22,589 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-02 00:43:22,590 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 13 ~a8~0)) (.cse2 (not (= ~a8~0 13))) (.cse3 (not (= ~a16~0 6))) (.cse1 (= ~a21~0 1))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and .cse0 .cse1 (<= ~a7~0 0)) (and .cse1 .cse2 (<= ~a20~0 0)) (and .cse0 .cse3) (and .cse0 (<= ~a17~0 0)) (and .cse1 (not (= ~a17~0 1)) .cse2) (and .cse3 .cse1) (not (<= |old(~a7~0)| 0)))) [2019-10-02 00:43:22,590 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-02 00:43:22,590 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-02 00:43:22,590 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 13 ~a8~0)) (.cse2 (not (= ~a8~0 13))) (.cse3 (not (= ~a16~0 6))) (.cse1 (= ~a21~0 1))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and .cse0 .cse1 (<= ~a7~0 0)) (and .cse1 .cse2 (<= ~a20~0 0)) (and .cse0 .cse3) (and .cse0 (<= ~a17~0 0)) (and .cse1 (not (= ~a17~0 1)) .cse2) (and .cse3 .cse1) (not (<= |old(~a7~0)| 0)))) [2019-10-02 00:43:22,590 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-02 00:43:22,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 12:43:22 BoogieIcfgContainer [2019-10-02 00:43:22,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 00:43:22,619 INFO L168 Benchmark]: Toolchain (without parser) took 13430.17 ms. Allocated memory was 140.5 MB in the beginning and 415.8 MB in the end (delta: 275.3 MB). Free memory was 84.8 MB in the beginning and 115.6 MB in the end (delta: -30.8 MB). Peak memory consumption was 287.9 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:22,620 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 00:43:22,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.17 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 84.6 MB in the beginning and 160.8 MB in the end (delta: -76.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:22,623 INFO L168 Benchmark]: Boogie Preprocessor took 157.98 ms. Allocated memory is still 200.8 MB. Free memory was 160.8 MB in the beginning and 155.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:22,625 INFO L168 Benchmark]: RCFGBuilder took 1246.98 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 155.3 MB in the beginning and 169.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:22,628 INFO L168 Benchmark]: TraceAbstraction took 11319.54 ms. Allocated memory was 227.0 MB in the beginning and 415.8 MB in the end (delta: 188.7 MB). Free memory was 169.6 MB in the beginning and 115.6 MB in the end (delta: 53.9 MB). Peak memory consumption was 286.2 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:22,636 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.17 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 84.6 MB in the beginning and 160.8 MB in the end (delta: -76.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.98 ms. Allocated memory is still 200.8 MB. Free memory was 160.8 MB in the beginning and 155.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1246.98 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 155.3 MB in the beginning and 169.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11319.54 ms. Allocated memory was 227.0 MB in the beginning and 415.8 MB in the end (delta: 188.7 MB). Free memory was 169.6 MB in the beginning and 115.6 MB in the end (delta: 53.9 MB). Peak memory consumption was 286.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: 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: ((((((((6 == \old(a16) || !(1 == \old(a21))) || 13 == \old(a8)) || ((13 == a8 && a21 == 1) && a7 <= 0)) || ((a21 == 1 && !(a8 == 13)) && a20 <= 0)) || (13 == a8 && !(a16 == 6))) || (13 == a8 && a17 <= 0)) || ((a21 == 1 && !(a17 == 1)) && !(a8 == 13))) || (!(a16 == 6) && a21 == 1)) || !(\old(a7) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 11.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 7.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 167 SDtfs, 2413 SDslu, 277 SDs, 0 SdLazy, 5023 SolverSat, 943 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 537 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2804occurred in iteration=4, 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, 5 MinimizatonAttempts, 892 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 111 PreInvPairs, 223 NumberOfFragments, 408 HoareAnnotationTreeSize, 111 FomulaSimplifications, 8549 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3495 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1261 NumberOfCodeBlocks, 1261 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1253 ConstructedInterpolants, 0 QuantifiedInterpolants, 550173 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1315 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 190/276 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...