/usr/bin/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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 22:31:57,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 22:31:57,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 22:31:57,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 22:31:57,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 22:31:57,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 22:31:57,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 22:31:57,189 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 [2019-11-06 22:31:57,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 22:31:57,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 22:31:57,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 22:31:57,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 22:31:57,205 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 22:31:57,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 22:31:57,206 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 22:31:57,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 22:31:57,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 22:31:57,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 22:31:57,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 22:31:57,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 22:31:57,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 22:31:57,207 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 22:31:57,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 22:31:57,207 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 22:31:57,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 22:31:57,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 22:31:57,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 22:31:57,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 22:31:57,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 22:31:57,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:31:57,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 22:31:57,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 22:31:57,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 22:31:57,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 22:31:57,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 22:31:57,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 22:31:57,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 22:31:57,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 22:31:57,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 22:31:57,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 22:31:57,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 22:31:57,507 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 22:31:57,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54.c [2019-11-06 22:31:57,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f12b3e262/597b8624a8424b45b35cff74e2c8bdef/FLAG6c56a35cf [2019-11-06 22:31:58,153 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 22:31:58,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label54.c [2019-11-06 22:31:58,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f12b3e262/597b8624a8424b45b35cff74e2c8bdef/FLAG6c56a35cf [2019-11-06 22:31:58,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f12b3e262/597b8624a8424b45b35cff74e2c8bdef [2019-11-06 22:31:58,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 22:31:58,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 22:31:58,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 22:31:58,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 22:31:58,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 22:31:58,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:58" (1/1) ... [2019-11-06 22:31:58,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c5888d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:58, skipping insertion in model container [2019-11-06 22:31:58,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:58" (1/1) ... [2019-11-06 22:31:58,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 22:31:58,461 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 22:31:59,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:31:59,101 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 22:31:59,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:31:59,215 INFO L192 MainTranslator]: Completed translation [2019-11-06 22:31:59,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59 WrapperNode [2019-11-06 22:31:59,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 22:31:59,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 22:31:59,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 22:31:59,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 22:31:59,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (1/1) ... [2019-11-06 22:31:59,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (1/1) ... [2019-11-06 22:31:59,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (1/1) ... [2019-11-06 22:31:59,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (1/1) ... [2019-11-06 22:31:59,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (1/1) ... [2019-11-06 22:31:59,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (1/1) ... [2019-11-06 22:31:59,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (1/1) ... [2019-11-06 22:31:59,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 22:31:59,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 22:31:59,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 22:31:59,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 22:31:59,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:31:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 22:31:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 22:31:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 22:31:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 22:31:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 22:31:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 22:31:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 22:31:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 22:31:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 22:31:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 22:31:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 22:32:00,580 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 22:32:00,580 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 22:32:00,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:32:00 BoogieIcfgContainer [2019-11-06 22:32:00,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 22:32:00,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 22:32:00,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 22:32:00,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 22:32:00,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:31:58" (1/3) ... [2019-11-06 22:32:00,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156d83e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:32:00, skipping insertion in model container [2019-11-06 22:32:00,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:59" (2/3) ... [2019-11-06 22:32:00,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156d83e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:32:00, skipping insertion in model container [2019-11-06 22:32:00,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:32:00" (3/3) ... [2019-11-06 22:32:00,603 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label54.c [2019-11-06 22:32:00,617 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 22:32:00,629 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 22:32:00,643 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 22:32:00,683 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 22:32:00,683 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 22:32:00,684 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 22:32:00,684 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 22:32:00,684 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 22:32:00,684 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 22:32:00,684 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 22:32:00,685 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 22:32:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-11-06 22:32:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-06 22:32:00,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:32:00,736 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:32:00,738 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:32:00,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:32:00,744 INFO L82 PathProgramCache]: Analyzing trace with hash -622531154, now seen corresponding path program 1 times [2019-11-06 22:32:00,753 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:32:00,753 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154255168] [2019-11-06 22:32:00,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:32:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:32:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:32:01,238 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154255168] [2019-11-06 22:32:01,239 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:32:01,240 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 22:32:01,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929147372] [2019-11-06 22:32:01,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 22:32:01,250 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:32:01,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 22:32:01,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:32:01,272 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-11-06 22:32:02,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:32:02,204 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2019-11-06 22:32:02,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 22:32:02,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-11-06 22:32:02,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:32:02,236 INFO L225 Difference]: With dead ends: 547 [2019-11-06 22:32:02,236 INFO L226 Difference]: Without dead ends: 278 [2019-11-06 22:32:02,248 INFO L630 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 [2019-11-06 22:32:02,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-11-06 22:32:02,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-11-06 22:32:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-06 22:32:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 412 transitions. [2019-11-06 22:32:02,353 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 412 transitions. Word has length 128 [2019-11-06 22:32:02,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:32:02,354 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 412 transitions. [2019-11-06 22:32:02,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 22:32:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 412 transitions. [2019-11-06 22:32:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-06 22:32:02,368 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:32:02,368 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-11-06 22:32:02,369 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:32:02,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:32:02,370 INFO L82 PathProgramCache]: Analyzing trace with hash -46694981, now seen corresponding path program 1 times [2019-11-06 22:32:02,370 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:32:02,370 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845400927] [2019-11-06 22:32:02,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:32:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:32:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:32:02,579 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845400927] [2019-11-06 22:32:02,579 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:32:02,579 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 22:32:02,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432742206] [2019-11-06 22:32:02,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 22:32:02,581 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:32:02,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 22:32:02,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:32:02,582 INFO L87 Difference]: Start difference. First operand 278 states and 412 transitions. Second operand 3 states. [2019-11-06 22:32:03,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:32:03,111 INFO L93 Difference]: Finished difference Result 820 states and 1235 transitions. [2019-11-06 22:32:03,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 22:32:03,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-11-06 22:32:03,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:32:03,123 INFO L225 Difference]: With dead ends: 820 [2019-11-06 22:32:03,123 INFO L226 Difference]: Without dead ends: 548 [2019-11-06 22:32:03,125 INFO L630 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 [2019-11-06 22:32:03,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-11-06 22:32:03,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 413. [2019-11-06 22:32:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-11-06 22:32:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 593 transitions. [2019-11-06 22:32:03,161 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 593 transitions. Word has length 145 [2019-11-06 22:32:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:32:03,163 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 593 transitions. [2019-11-06 22:32:03,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 22:32:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 593 transitions. [2019-11-06 22:32:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-06 22:32:03,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:32:03,169 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:32:03,169 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:32:03,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:32:03,170 INFO L82 PathProgramCache]: Analyzing trace with hash 345749953, now seen corresponding path program 1 times [2019-11-06 22:32:03,170 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:32:03,170 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613936609] [2019-11-06 22:32:03,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:32:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:32:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:32:03,391 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613936609] [2019-11-06 22:32:03,392 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:32:03,392 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 22:32:03,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90702589] [2019-11-06 22:32:03,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 22:32:03,394 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:32:03,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 22:32:03,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-06 22:32:03,395 INFO L87 Difference]: Start difference. First operand 413 states and 593 transitions. Second operand 6 states. [2019-11-06 22:32:04,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:32:04,151 INFO L93 Difference]: Finished difference Result 1116 states and 1634 transitions. [2019-11-06 22:32:04,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 22:32:04,152 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2019-11-06 22:32:04,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:32:04,157 INFO L225 Difference]: With dead ends: 1116 [2019-11-06 22:32:04,157 INFO L226 Difference]: Without dead ends: 709 [2019-11-06 22:32:04,158 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-06 22:32:04,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-11-06 22:32:04,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 697. [2019-11-06 22:32:04,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2019-11-06 22:32:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 952 transitions. [2019-11-06 22:32:04,187 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 952 transitions. Word has length 172 [2019-11-06 22:32:04,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:32:04,188 INFO L462 AbstractCegarLoop]: Abstraction has 697 states and 952 transitions. [2019-11-06 22:32:04,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 22:32:04,188 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 952 transitions. [2019-11-06 22:32:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-06 22:32:04,192 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:32:04,192 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:32:04,192 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:32:04,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:32:04,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1092170536, now seen corresponding path program 1 times [2019-11-06 22:32:04,193 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:32:04,193 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377885618] [2019-11-06 22:32:04,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:32:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:32:04,334 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 22:32:04,335 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377885618] [2019-11-06 22:32:04,335 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664553817] [2019-11-06 22:32:04,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:32:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:32:04,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-06 22:32:04,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 22:32:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-06 22:32:04,609 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 22:32:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 22:32:04,722 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-06 22:32:04,722 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2019-11-06 22:32:04,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640956682] [2019-11-06 22:32:04,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 22:32:04,723 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:32:04,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 22:32:04,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-06 22:32:04,724 INFO L87 Difference]: Start difference. First operand 697 states and 952 transitions. Second operand 5 states. [2019-11-06 22:32:05,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:32:05,472 INFO L93 Difference]: Finished difference Result 1831 states and 2588 transitions. [2019-11-06 22:32:05,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 22:32:05,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2019-11-06 22:32:05,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:32:05,480 INFO L225 Difference]: With dead ends: 1831 [2019-11-06 22:32:05,480 INFO L226 Difference]: Without dead ends: 1140 [2019-11-06 22:32:05,482 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 359 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-11-06 22:32:05,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2019-11-06 22:32:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 977. [2019-11-06 22:32:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-06 22:32:05,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1312 transitions. [2019-11-06 22:32:05,524 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1312 transitions. Word has length 182 [2019-11-06 22:32:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:32:05,525 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1312 transitions. [2019-11-06 22:32:05,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 22:32:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1312 transitions. [2019-11-06 22:32:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-06 22:32:05,529 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:32:05,530 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:32:05,735 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:32:05,736 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:32:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:32:05,736 INFO L82 PathProgramCache]: Analyzing trace with hash 447717146, now seen corresponding path program 1 times [2019-11-06 22:32:05,737 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:32:05,737 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884875807] [2019-11-06 22:32:05,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:32:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:32:05,988 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:32:05,989 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884875807] [2019-11-06 22:32:05,990 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302932131] [2019-11-06 22:32:05,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:32:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:32:06,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 22:32:06,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 22:32:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 22:32:06,230 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 22:32:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 22:32:06,303 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-06 22:32:06,303 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2019-11-06 22:32:06,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824968469] [2019-11-06 22:32:06,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 22:32:06,305 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:32:06,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 22:32:06,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-06 22:32:06,305 INFO L87 Difference]: Start difference. First operand 977 states and 1312 transitions. Second operand 3 states. [2019-11-06 22:32:06,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:32:06,827 INFO L93 Difference]: Finished difference Result 2492 states and 3426 transitions. [2019-11-06 22:32:06,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 22:32:06,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-11-06 22:32:06,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:32:06,831 INFO L225 Difference]: With dead ends: 2492 [2019-11-06 22:32:06,831 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 22:32:06,836 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 364 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-06 22:32:06,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 22:32:06,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 22:32:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 22:32:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 22:32:06,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2019-11-06 22:32:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:32:06,838 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 22:32:06,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 22:32:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 22:32:06,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 22:32:07,051 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:32:07,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 22:32:07,359 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2019-11-06 22:32:07,456 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:32:07,456 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a16~0 |old(~a16~0)|) (= ~a7~0 |old(~a7~0)|)) [2019-11-06 22:32:07,456 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:32:07,457 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-06 22:32:07,457 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-06 22:32:07,457 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,457 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,457 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,457 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,457 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,458 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,458 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-06 22:32:07,458 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-06 22:32:07,458 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-06 22:32:07,458 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-06 22:32:07,459 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-06 22:32:07,460 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-06 22:32:07,460 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-06 22:32:07,460 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-06 22:32:07,460 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-06 22:32:07,461 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-06 22:32:07,461 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,461 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,461 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,461 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,461 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,461 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,461 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-06 22:32:07,462 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-06 22:32:07,468 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-06 22:32:07,468 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-06 22:32:07,468 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-06 22:32:07,469 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-06 22:32:07,469 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-06 22:32:07,469 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-06 22:32:07,469 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-06 22:32:07,469 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-06 22:32:07,469 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-06 22:32:07,469 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-06 22:32:07,470 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-06 22:32:07,472 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-06 22:32:07,472 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-06 22:32:07,472 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,472 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,472 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,472 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,472 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,473 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-06 22:32:07,473 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-06 22:32:07,473 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-06 22:32:07,473 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-06 22:32:07,473 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-06 22:32:07,473 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-06 22:32:07,473 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-06 22:32:07,473 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-06 22:32:07,474 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-06 22:32:07,474 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,474 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,474 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,474 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,474 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,474 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-06 22:32:07,474 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-06 22:32:07,475 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-06 22:32:07,477 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-06 22:32:07,477 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-06 22:32:07,477 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-06 22:32:07,477 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-06 22:32:07,477 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-06 22:32:07,477 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-06 22:32:07,478 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-06 22:32:07,478 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-06 22:32:07,478 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-06 22:32:07,478 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-06 22:32:07,478 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,478 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,478 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,478 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,479 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,479 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-06 22:32:07,479 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-06 22:32:07,479 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-06 22:32:07,479 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-06 22:32:07,479 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-06 22:32:07,479 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-06 22:32:07,479 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-06 22:32:07,480 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-06 22:32:07,485 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-06 22:32:07,487 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,487 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,488 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,488 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,488 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,488 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,488 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-06 22:32:07,488 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,488 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-06 22:32:07,489 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,490 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-06 22:32:07,491 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-06 22:32:07,491 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-06 22:32:07,491 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-06 22:32:07,491 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-06 22:32:07,491 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-06 22:32:07,491 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-06 22:32:07,491 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-06 22:32:07,491 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,492 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,494 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,494 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,494 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,494 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-06 22:32:07,494 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-06 22:32:07,494 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-06 22:32:07,494 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-06 22:32:07,495 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-06 22:32:07,495 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-06 22:32:07,495 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-06 22:32:07,495 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-06 22:32:07,495 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-06 22:32:07,495 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2019-11-06 22:32:07,495 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-06 22:32:07,497 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse3 (<= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a7~0 |old(~a7~0)|))) (let ((.cse1 (= 14 |old(~a8~0)|)) (.cse0 (and .cse3 .cse4 (not (= 14 ~a8~0)))) (.cse2 (= 1 |old(~a7~0)|))) (and (or .cse0 (not (<= |old(~a16~0)| 5)) .cse1) (or .cse2 .cse1 .cse0) (or .cse2 (not (<= |old(~a16~0)| 4)) (and .cse3 .cse4)) (or (= 1 |old(~a17~0)|) (and .cse3 .cse4 (not (= ~a17~0 1))))))) [2019-11-06 22:32:07,497 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-06 22:32:07,497 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,497 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,497 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,497 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,498 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-06 22:32:07,498 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,498 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,498 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-06 22:32:07,498 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-06 22:32:07,499 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-06 22:32:07,501 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-06 22:32:07,501 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-06 22:32:07,501 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-06 22:32:07,501 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-06 22:32:07,501 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-06 22:32:07,501 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-06 22:32:07,501 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-06 22:32:07,502 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-06 22:32:07,502 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-06 22:32:07,502 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,502 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,502 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,502 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,502 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,502 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-06 22:32:07,503 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-06 22:32:07,504 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-06 22:32:07,506 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-06 22:32:07,506 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-06 22:32:07,506 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-06 22:32:07,506 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-06 22:32:07,506 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-06 22:32:07,506 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,506 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-06 22:32:07,507 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-06 22:32:07,508 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-06 22:32:07,508 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-06 22:32:07,508 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-06 22:32:07,508 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-06 22:32:07,508 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-06 22:32:07,508 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:32:07,508 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (<= ~a16~0 5) (not (= 14 ~a8~0))) [2019-11-06 22:32:07,508 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 22:32:07,509 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:32:07,510 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 1 |old(~a7~0)|) (not (<= |old(~a16~0)| 5)) (= 14 |old(~a8~0)|) (and (<= ~a16~0 |old(~a16~0)|) (= ~a7~0 |old(~a7~0)|) (not (= 14 ~a8~0)))) [2019-11-06 22:32:07,510 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-11-06 22:32:07,511 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (not (= 14 ~a8~0)))) (or (= 1 |old(~a7~0)|) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1) (= 14 |old(~a8~0)|) (and .cse0 (<= ~a16~0 4)) (and (<= ~a16~0 5) .cse1) (not (= ~a17~0 1)))) [2019-11-06 22:32:07,511 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-11-06 22:32:07,511 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-06 22:32:07,511 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (not (= 14 ~a8~0)))) (or (= 1 |old(~a7~0)|) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1) (= 14 |old(~a8~0)|) (and .cse0 (<= ~a16~0 4)) (and (<= ~a16~0 5) .cse1) (not (= ~a17~0 1)))) [2019-11-06 22:32:07,511 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-11-06 22:32:07,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:32:07 BoogieIcfgContainer [2019-11-06 22:32:07,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 22:32:07,532 INFO L168 Benchmark]: Toolchain (without parser) took 9141.18 ms. Allocated memory was 144.2 MB in the beginning and 373.3 MB in the end (delta: 229.1 MB). Free memory was 100.3 MB in the beginning and 305.7 MB in the end (delta: -205.4 MB). Peak memory consumption was 200.4 MB. Max. memory is 7.1 GB. [2019-11-06 22:32:07,534 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 22:32:07,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.81 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 100.1 MB in the beginning and 171.0 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-11-06 22:32:07,542 INFO L168 Benchmark]: Boogie Preprocessor took 113.21 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 165.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-06 22:32:07,543 INFO L168 Benchmark]: RCFGBuilder took 1257.35 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 181.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-11-06 22:32:07,545 INFO L168 Benchmark]: TraceAbstraction took 6940.98 ms. Allocated memory was 235.9 MB in the beginning and 373.3 MB in the end (delta: 137.4 MB). Free memory was 181.2 MB in the beginning and 305.7 MB in the end (delta: -124.5 MB). Peak memory consumption was 189.6 MB. Max. memory is 7.1 GB. [2019-11-06 22:32:07,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.81 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 100.1 MB in the beginning and 171.0 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.21 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 165.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1257.35 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 181.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6940.98 ms. Allocated memory was 235.9 MB in the beginning and 373.3 MB in the end (delta: 137.4 MB). Free memory was 181.2 MB in the beginning and 305.7 MB in the end (delta: -124.5 MB). Peak memory consumption was 189.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: 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(a7) || !(\old(a16) <= 5)) || (!(a7 == 1) && !(14 == a8))) || 14 == \old(a8)) || (!(a7 == 1) && a16 <= 4)) || (a16 <= 5 && !(14 == a8))) || !(a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 6.8s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 502 SDtfs, 1288 SDslu, 101 SDs, 0 SdLazy, 2168 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 764 GetRequests, 733 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 310 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 35 PreInvPairs, 57 NumberOfFragments, 190 HoareAnnotationTreeSize, 35 FomulaSimplifications, 1130 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 309 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1175 NumberOfCodeBlocks, 1175 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1531 ConstructedInterpolants, 0 QuantifiedInterpolants, 566684 SizeOfPredicates, 3 NumberOfNonLiveVariables, 947 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 395/409 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...