/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:32:44,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:32:44,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:32:44,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:32:44,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-23 23:32:44,335 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:32:44,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:32:44,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:32:44,336 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:32:44,336 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:32:44,336 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:32:44,336 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:32:44,337 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:32:44,337 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:32:44,337 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:32:44,337 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:32:44,337 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:32:44,338 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:32:44,338 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:32:44,338 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:32:44,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:32:44,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:32:44,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:32:44,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:32:44,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:32:44,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:32:44,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:32:44,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:32:44,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:32:44,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:32:44,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:32:44,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:32:44,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:32:44,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:32:44,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:32:44,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:32:44,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:32:44,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:32:44,342 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:32:44,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:32:44,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:32:44,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:32:44,343 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:32:44,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:32:44,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:32:44,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:32:44,662 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:32:44,662 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:32:44,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2019-11-23 23:32:44,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fba3ca59/8bf60b73e38f4e22a5ff258eb89507dd/FLAG9937173a1 [2019-11-23 23:32:45,331 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:32:45,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2019-11-23 23:32:45,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fba3ca59/8bf60b73e38f4e22a5ff258eb89507dd/FLAG9937173a1 [2019-11-23 23:32:45,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fba3ca59/8bf60b73e38f4e22a5ff258eb89507dd [2019-11-23 23:32:45,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:32:45,564 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:32:45,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:45,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:32:45,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:32:45,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:45" (1/1) ... [2019-11-23 23:32:45,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de823d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:45, skipping insertion in model container [2019-11-23 23:32:45,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:45" (1/1) ... [2019-11-23 23:32:45,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:32:45,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:32:46,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:46,176 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:32:46,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:46,352 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:32:46,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46 WrapperNode [2019-11-23 23:32:46,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:46,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:46,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:32:46,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:32:46,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:46,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:32:46,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:32:46,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:32:46,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (1/1) ... [2019-11-23 23:32:46,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:32:46,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:32:46,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:32:46,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:32:46,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (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 [2019-11-23 23:32:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:32:46,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:32:48,778 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:32:48,778 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:32:48,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:48 BoogieIcfgContainer [2019-11-23 23:32:48,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:32:48,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:32:48,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:32:48,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:32:48,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:45" (1/3) ... [2019-11-23 23:32:48,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@948a19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:48, skipping insertion in model container [2019-11-23 23:32:48,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:46" (2/3) ... [2019-11-23 23:32:48,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@948a19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:48, skipping insertion in model container [2019-11-23 23:32:48,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:48" (3/3) ... [2019-11-23 23:32:48,788 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2019-11-23 23:32:48,798 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:32:48,806 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:32:48,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:32:48,845 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:32:48,845 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:32:48,846 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:32:48,846 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:32:48,846 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:32:48,846 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:32:48,846 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:32:48,847 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:32:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:32:48,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:32:48,875 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:48,876 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] [2019-11-23 23:32:48,876 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:48,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:48,883 INFO L82 PathProgramCache]: Analyzing trace with hash 925960463, now seen corresponding path program 1 times [2019-11-23 23:32:48,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:48,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532604984] [2019-11-23 23:32:48,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:49,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532604984] [2019-11-23 23:32:49,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:49,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:32:49,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896540101] [2019-11-23 23:32:49,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:32:49,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:49,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:32:49,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:49,256 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states. [2019-11-23 23:32:49,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:49,776 INFO L93 Difference]: Finished difference Result 251 states and 482 transitions. [2019-11-23 23:32:49,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:32:49,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-11-23 23:32:49,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:49,803 INFO L225 Difference]: With dead ends: 251 [2019-11-23 23:32:49,803 INFO L226 Difference]: Without dead ends: 163 [2019-11-23 23:32:49,809 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:49,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-11-23 23:32:49,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-11-23 23:32:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-23 23:32:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 288 transitions. [2019-11-23 23:32:49,897 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 288 transitions. Word has length 80 [2019-11-23 23:32:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:49,899 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 288 transitions. [2019-11-23 23:32:49,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:32:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 288 transitions. [2019-11-23 23:32:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-23 23:32:49,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:49,906 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-23 23:32:49,906 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:49,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:49,907 INFO L82 PathProgramCache]: Analyzing trace with hash 221760942, now seen corresponding path program 1 times [2019-11-23 23:32:49,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:49,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988829363] [2019-11-23 23:32:49,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:50,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988829363] [2019-11-23 23:32:50,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:50,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:50,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172312339] [2019-11-23 23:32:50,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:50,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:50,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:50,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:50,080 INFO L87 Difference]: Start difference. First operand 163 states and 288 transitions. Second operand 4 states. [2019-11-23 23:32:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:50,656 INFO L93 Difference]: Finished difference Result 647 states and 1148 transitions. [2019-11-23 23:32:50,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:50,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-11-23 23:32:50,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:50,661 INFO L225 Difference]: With dead ends: 647 [2019-11-23 23:32:50,661 INFO L226 Difference]: Without dead ends: 485 [2019-11-23 23:32:50,663 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-11-23 23:32:50,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 323. [2019-11-23 23:32:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-11-23 23:32:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 549 transitions. [2019-11-23 23:32:50,690 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 549 transitions. Word has length 98 [2019-11-23 23:32:50,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:50,690 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 549 transitions. [2019-11-23 23:32:50,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 549 transitions. [2019-11-23 23:32:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-23 23:32:50,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:50,694 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-23 23:32:50,694 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:50,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:50,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1583662382, now seen corresponding path program 1 times [2019-11-23 23:32:50,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:50,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050256870] [2019-11-23 23:32:50,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:50,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050256870] [2019-11-23 23:32:50,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:50,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:50,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296366629] [2019-11-23 23:32:50,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:50,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:50,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:50,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:50,755 INFO L87 Difference]: Start difference. First operand 323 states and 549 transitions. Second operand 4 states. [2019-11-23 23:32:51,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:51,520 INFO L93 Difference]: Finished difference Result 1287 states and 2192 transitions. [2019-11-23 23:32:51,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:51,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-23 23:32:51,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:51,528 INFO L225 Difference]: With dead ends: 1287 [2019-11-23 23:32:51,528 INFO L226 Difference]: Without dead ends: 965 [2019-11-23 23:32:51,531 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:51,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-11-23 23:32:51,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 643. [2019-11-23 23:32:51,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-11-23 23:32:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1036 transitions. [2019-11-23 23:32:51,580 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1036 transitions. Word has length 99 [2019-11-23 23:32:51,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:51,580 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 1036 transitions. [2019-11-23 23:32:51,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1036 transitions. [2019-11-23 23:32:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-23 23:32:51,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:51,589 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-23 23:32:51,589 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:51,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:51,590 INFO L82 PathProgramCache]: Analyzing trace with hash -875184285, now seen corresponding path program 1 times [2019-11-23 23:32:51,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:51,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822579179] [2019-11-23 23:32:51,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:51,695 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:51,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822579179] [2019-11-23 23:32:51,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:51,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:32:51,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398027978] [2019-11-23 23:32:51,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:51,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:51,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:51,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:51,699 INFO L87 Difference]: Start difference. First operand 643 states and 1036 transitions. Second operand 4 states. [2019-11-23 23:32:52,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:52,453 INFO L93 Difference]: Finished difference Result 2085 states and 3289 transitions. [2019-11-23 23:32:52,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:52,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-11-23 23:32:52,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:52,462 INFO L225 Difference]: With dead ends: 2085 [2019-11-23 23:32:52,462 INFO L226 Difference]: Without dead ends: 1443 [2019-11-23 23:32:52,464 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:52,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2019-11-23 23:32:52,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1283. [2019-11-23 23:32:52,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2019-11-23 23:32:52,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1832 transitions. [2019-11-23 23:32:52,501 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1832 transitions. Word has length 102 [2019-11-23 23:32:52,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:52,502 INFO L462 AbstractCegarLoop]: Abstraction has 1283 states and 1832 transitions. [2019-11-23 23:32:52,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1832 transitions. [2019-11-23 23:32:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-23 23:32:52,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:52,505 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2019-11-23 23:32:52,506 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:52,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:52,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2118164719, now seen corresponding path program 1 times [2019-11-23 23:32:52,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:52,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411347294] [2019-11-23 23:32:52,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:32:52,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411347294] [2019-11-23 23:32:52,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:52,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:52,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295714512] [2019-11-23 23:32:52,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:32:52,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:52,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:32:52,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:52,588 INFO L87 Difference]: Start difference. First operand 1283 states and 1832 transitions. Second operand 3 states. [2019-11-23 23:32:53,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:53,132 INFO L93 Difference]: Finished difference Result 2565 states and 3663 transitions. [2019-11-23 23:32:53,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:32:53,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2019-11-23 23:32:53,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:53,139 INFO L225 Difference]: With dead ends: 2565 [2019-11-23 23:32:53,139 INFO L226 Difference]: Without dead ends: 1283 [2019-11-23 23:32:53,142 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:53,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2019-11-23 23:32:53,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 963. [2019-11-23 23:32:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-11-23 23:32:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1321 transitions. [2019-11-23 23:32:53,167 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1321 transitions. Word has length 107 [2019-11-23 23:32:53,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:53,168 INFO L462 AbstractCegarLoop]: Abstraction has 963 states and 1321 transitions. [2019-11-23 23:32:53,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:32:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1321 transitions. [2019-11-23 23:32:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-23 23:32:53,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:53,171 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:53,171 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:53,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:53,171 INFO L82 PathProgramCache]: Analyzing trace with hash -306790973, now seen corresponding path program 1 times [2019-11-23 23:32:53,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:53,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222742479] [2019-11-23 23:32:53,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:53,242 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-23 23:32:53,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222742479] [2019-11-23 23:32:53,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:53,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:32:53,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119109631] [2019-11-23 23:32:53,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:32:53,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:53,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:32:53,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:53,245 INFO L87 Difference]: Start difference. First operand 963 states and 1321 transitions. Second operand 3 states. [2019-11-23 23:32:53,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:53,627 INFO L93 Difference]: Finished difference Result 2323 states and 3135 transitions. [2019-11-23 23:32:53,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:32:53,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-11-23 23:32:53,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:53,628 INFO L225 Difference]: With dead ends: 2323 [2019-11-23 23:32:53,628 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:32:53,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:53,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:32:53,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:32:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:32:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:32:53,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2019-11-23 23:32:53,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:53,632 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:32:53,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:32:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:32:53,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:32:53,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:32:53,877 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2019-11-23 23:32:54,012 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2019-11-23 23:32:54,019 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:32:54,019 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:32:54,019 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:32:54,019 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:32:54,020 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:32:54,020 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:32:54,020 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:32:54,020 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:32:54,020 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:32:54,020 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:32:54,020 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:32:54,023 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:32:54,023 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:32:54,023 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:32:54,023 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:32:54,023 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:32:54,024 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:32:54,024 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:32:54,024 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:32:54,024 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:32:54,024 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:32:54,024 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:32:54,024 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:32:54,024 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:32:54,025 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:32:54,025 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:32:54,025 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:32:54,025 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:32:54,025 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:32:54,025 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:32:54,025 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:32:54,026 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:32:54,027 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:32:54,027 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:32:54,027 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:32:54,027 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:32:54,028 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 556) no Hoare annotation was computed. [2019-11-23 23:32:54,028 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:32:54,028 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:32:54,028 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:32:54,028 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:32:54,029 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse3 (= ~a11~0 1))) (let ((.cse0 (= ~a19~0 1)) (.cse2 (= ~a28~0 9)) (.cse4 (not (= ~a25~0 1))) (.cse6 (not .cse3)) (.cse5 (= ~a17~0 8)) (.cse1 (not (= ~a28~0 11)))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse4 .cse0) (and .cse4 .cse3 .cse1) (and .cse4 .cse5 .cse6) (and .cse0 .cse6) (and .cse2 .cse4 .cse6) (and .cse5 .cse1)))) [2019-11-23 23:32:54,029 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:32:54,029 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:32:54,029 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:32:54,029 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:32:54,029 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:32:54,029 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:32:54,030 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:32:54,030 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:32:54,030 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:32:54,030 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:32:54,030 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (= ~a11~0 1))) (let ((.cse0 (= ~a19~0 1)) (.cse2 (= ~a28~0 9)) (.cse4 (not (= ~a25~0 1))) (.cse6 (not .cse3)) (.cse5 (= ~a17~0 8)) (.cse1 (not (= ~a28~0 11)))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse4 .cse0) (and .cse4 .cse3 .cse1) (and .cse4 .cse5 .cse6) (and .cse0 .cse6) (and .cse2 .cse4 .cse6) (and .cse5 .cse1)))) [2019-11-23 23:32:54,030 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:32:54,031 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:32:54,032 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:32:54,032 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:32:54,032 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:32:54,032 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:32:54,032 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:32:54,032 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:32:54,032 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:32:54,033 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:32:54,033 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:32:54,033 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:32:54,033 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:32:54,033 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:32:54,033 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:32:54,033 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:32:54,033 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:32:54,034 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:32:54,034 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:32:54,034 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:32:54,034 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:32:54,034 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:32:54,034 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-23 23:32:54,034 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:32:54,035 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:32:54,035 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:32:54,035 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:32:54,035 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:32:54,035 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:32:54,036 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:32:54,036 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:32:54,036 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:32:54,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:32:54 BoogieIcfgContainer [2019-11-23 23:32:54,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:32:54,077 INFO L168 Benchmark]: Toolchain (without parser) took 8511.62 ms. Allocated memory was 137.4 MB in the beginning and 341.3 MB in the end (delta: 203.9 MB). Free memory was 100.2 MB in the beginning and 163.0 MB in the end (delta: -62.7 MB). Peak memory consumption was 141.2 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:54,078 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-23 23:32:54,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.82 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.8 MB in the beginning and 168.0 MB in the end (delta: -68.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:54,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.27 ms. Allocated memory is still 202.9 MB. Free memory was 168.0 MB in the beginning and 162.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:54,085 INFO L168 Benchmark]: Boogie Preprocessor took 85.17 ms. Allocated memory is still 202.9 MB. Free memory was 162.2 MB in the beginning and 157.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:54,087 INFO L168 Benchmark]: RCFGBuilder took 2233.31 ms. Allocated memory was 202.9 MB in the beginning and 251.1 MB in the end (delta: 48.2 MB). Free memory was 157.9 MB in the beginning and 196.3 MB in the end (delta: -38.4 MB). Peak memory consumption was 113.9 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:54,088 INFO L168 Benchmark]: TraceAbstraction took 5292.92 ms. Allocated memory was 251.1 MB in the beginning and 341.3 MB in the end (delta: 90.2 MB). Free memory was 194.4 MB in the beginning and 163.0 MB in the end (delta: 31.4 MB). Peak memory consumption was 121.6 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:54,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.82 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.8 MB in the beginning and 168.0 MB in the end (delta: -68.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 107.27 ms. Allocated memory is still 202.9 MB. Free memory was 168.0 MB in the beginning and 162.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.17 ms. Allocated memory is still 202.9 MB. Free memory was 162.2 MB in the beginning and 157.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2233.31 ms. Allocated memory was 202.9 MB in the beginning and 251.1 MB in the end (delta: 48.2 MB). Free memory was 157.9 MB in the beginning and 196.3 MB in the end (delta: -38.4 MB). Peak memory consumption was 113.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5292.92 ms. Allocated memory was 251.1 MB in the beginning and 341.3 MB in the end (delta: 90.2 MB). Free memory was 194.4 MB in the beginning and 163.0 MB in the end (delta: 31.4 MB). Peak memory consumption was 121.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a19 == 1 && !(a28 == 11)) || (a28 == 9 && a11 == 1)) || (!(a25 == 1) && a19 == 1)) || ((!(a25 == 1) && a11 == 1) && !(a28 == 11))) || ((!(a25 == 1) && a17 == 8) && !(a11 == 1))) || (a19 == 1 && !(a11 == 1))) || ((a28 == 9 && !(a25 == 1)) && !(a11 == 1))) || (a17 == 8 && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((a19 == 1 && !(a28 == 11)) || (a28 == 9 && a11 == 1)) || (!(a25 == 1) && a19 == 1)) || ((!(a25 == 1) && a11 == 1) && !(a28 == 11))) || ((!(a25 == 1) && a17 == 8) && !(a11 == 1))) || (a19 == 1 && !(a11 == 1))) || ((a28 == 9 && !(a25 == 1)) && !(a11 == 1))) || (a17 == 8 && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 318 SDtfs, 693 SDslu, 70 SDs, 0 SdLazy, 2115 SolverSat, 556 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1283occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 964 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 153 HoareAnnotationTreeSize, 3 FomulaSimplifications, 802 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 356 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 102863 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 133/133 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...