/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:03:39,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:03:39,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:03:39,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:03:39,147 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 [2019-11-23 21:03:39,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:03:39,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:03:39,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:03:39,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:03:39,171 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:03:39,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:03:39,171 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:03:39,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:03:39,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:03:39,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:03:39,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:03:39,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:03:39,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:03:39,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:03:39,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:03:39,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:03:39,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:03:39,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:03:39,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:03:39,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:03:39,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:03:39,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:03:39,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:03:39,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:03:39,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:03:39,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:03:39,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:03:39,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:03:39,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:03:39,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:03:39,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:03:39,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:03:39,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:03:39,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:03:39,494 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:03:39,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-11-23 21:03:39,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ad0b195/fc4489d7856a4ebcba73cd68df97bfd5/FLAGfccc3873f [2019-11-23 21:03:40,132 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:03:40,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-11-23 21:03:40,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ad0b195/fc4489d7856a4ebcba73cd68df97bfd5/FLAGfccc3873f [2019-11-23 21:03:40,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ad0b195/fc4489d7856a4ebcba73cd68df97bfd5 [2019-11-23 21:03:40,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:03:40,421 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:03:40,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:03:40,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:03:40,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:03:40,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:03:40" (1/1) ... [2019-11-23 21:03:40,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6163be9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:40, skipping insertion in model container [2019-11-23 21:03:40,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:03:40" (1/1) ... [2019-11-23 21:03:40,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:03:40,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:03:41,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:03:41,041 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:03:41,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:03:41,174 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:03:41,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41 WrapperNode [2019-11-23 21:03:41,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:03:41,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:03:41,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:03:41,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:03:41,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:03:41,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:03:41,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:03:41,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:03:41,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (1/1) ... [2019-11-23 21:03:41,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:03:41,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:03:41,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:03:41,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:03:41,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (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 21:03:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:03:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:03:42,749 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:03:42,749 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 21:03:42,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:03:42 BoogieIcfgContainer [2019-11-23 21:03:42,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:03:42,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:03:42,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:03:42,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:03:42,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:03:40" (1/3) ... [2019-11-23 21:03:42,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2bb5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:03:42, skipping insertion in model container [2019-11-23 21:03:42,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:41" (2/3) ... [2019-11-23 21:03:42,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2bb5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:03:42, skipping insertion in model container [2019-11-23 21:03:42,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:03:42" (3/3) ... [2019-11-23 21:03:42,759 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label38.c [2019-11-23 21:03:42,770 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:03:42,779 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:03:42,792 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:03:42,820 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:03:42,820 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:03:42,820 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:03:42,820 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:03:42,820 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:03:42,820 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:03:42,821 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:03:42,821 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:03:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-23 21:03:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-23 21:03:42,874 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:42,875 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] [2019-11-23 21:03:42,876 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:42,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:42,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2019-11-23 21:03:42,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:42,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241365668] [2019-11-23 21:03:42,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:43,120 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 21:03:43,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241365668] [2019-11-23 21:03:43,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:43,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:43,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124858392] [2019-11-23 21:03:43,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:43,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:43,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:43,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:43,147 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-23 21:03:44,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:44,740 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-23 21:03:44,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:44,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-23 21:03:44,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:44,760 INFO L225 Difference]: With dead ends: 709 [2019-11-23 21:03:44,760 INFO L226 Difference]: Without dead ends: 421 [2019-11-23 21:03:44,765 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 21:03:44,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-23 21:03:44,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2019-11-23 21:03:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-23 21:03:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 611 transitions. [2019-11-23 21:03:44,834 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 611 transitions. Word has length 32 [2019-11-23 21:03:44,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:44,835 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 611 transitions. [2019-11-23 21:03:44,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 611 transitions. [2019-11-23 21:03:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-23 21:03:44,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:44,839 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:44,840 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:44,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:44,840 INFO L82 PathProgramCache]: Analyzing trace with hash 729208788, now seen corresponding path program 1 times [2019-11-23 21:03:44,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:44,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238734869] [2019-11-23 21:03:44,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:45,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238734869] [2019-11-23 21:03:45,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:45,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:45,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192135333] [2019-11-23 21:03:45,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:45,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:45,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:45,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:45,080 INFO L87 Difference]: Start difference. First operand 421 states and 611 transitions. Second operand 4 states. [2019-11-23 21:03:46,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:46,080 INFO L93 Difference]: Finished difference Result 1674 states and 2436 transitions. [2019-11-23 21:03:46,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:46,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-11-23 21:03:46,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:46,088 INFO L225 Difference]: With dead ends: 1674 [2019-11-23 21:03:46,088 INFO L226 Difference]: Without dead ends: 1255 [2019-11-23 21:03:46,091 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:46,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2019-11-23 21:03:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2019-11-23 21:03:46,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-23 21:03:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1522 transitions. [2019-11-23 21:03:46,161 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1522 transitions. Word has length 102 [2019-11-23 21:03:46,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:46,165 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1522 transitions. [2019-11-23 21:03:46,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:46,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1522 transitions. [2019-11-23 21:03:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-23 21:03:46,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:46,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:46,170 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:46,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2051372588, now seen corresponding path program 1 times [2019-11-23 21:03:46,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:46,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052587885] [2019-11-23 21:03:46,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:46,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052587885] [2019-11-23 21:03:46,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:46,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:03:46,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961875616] [2019-11-23 21:03:46,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:46,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:46,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:46,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:46,318 INFO L87 Difference]: Start difference. First operand 1116 states and 1522 transitions. Second operand 4 states. [2019-11-23 21:03:47,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:47,444 INFO L93 Difference]: Finished difference Result 3203 states and 4387 transitions. [2019-11-23 21:03:47,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:47,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2019-11-23 21:03:47,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:47,452 INFO L225 Difference]: With dead ends: 3203 [2019-11-23 21:03:47,453 INFO L226 Difference]: Without dead ends: 1533 [2019-11-23 21:03:47,455 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 21:03:47,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2019-11-23 21:03:47,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1116. [2019-11-23 21:03:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-23 21:03:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1517 transitions. [2019-11-23 21:03:47,493 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1517 transitions. Word has length 107 [2019-11-23 21:03:47,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:47,494 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1517 transitions. [2019-11-23 21:03:47,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1517 transitions. [2019-11-23 21:03:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-23 21:03:47,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:47,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:47,499 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:47,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:47,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1294212700, now seen corresponding path program 1 times [2019-11-23 21:03:47,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:47,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824210768] [2019-11-23 21:03:47,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:47,710 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824210768] [2019-11-23 21:03:47,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:47,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:47,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906229030] [2019-11-23 21:03:47,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:47,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:47,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:47,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:47,712 INFO L87 Difference]: Start difference. First operand 1116 states and 1517 transitions. Second operand 4 states. [2019-11-23 21:03:48,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:48,630 INFO L93 Difference]: Finished difference Result 3342 states and 4479 transitions. [2019-11-23 21:03:48,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:48,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2019-11-23 21:03:48,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:48,644 INFO L225 Difference]: With dead ends: 3342 [2019-11-23 21:03:48,644 INFO L226 Difference]: Without dead ends: 2228 [2019-11-23 21:03:48,646 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:48,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2019-11-23 21:03:48,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1394. [2019-11-23 21:03:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2019-11-23 21:03:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1757 transitions. [2019-11-23 21:03:48,682 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1757 transitions. Word has length 150 [2019-11-23 21:03:48,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:48,682 INFO L462 AbstractCegarLoop]: Abstraction has 1394 states and 1757 transitions. [2019-11-23 21:03:48,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1757 transitions. [2019-11-23 21:03:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-23 21:03:48,688 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:48,688 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:48,689 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:48,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:48,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1797863717, now seen corresponding path program 1 times [2019-11-23 21:03:48,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:48,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638068920] [2019-11-23 21:03:48,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-23 21:03:48,875 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638068920] [2019-11-23 21:03:48,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:48,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:03:48,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307681142] [2019-11-23 21:03:48,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:48,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:48,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:48,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:48,877 INFO L87 Difference]: Start difference. First operand 1394 states and 1757 transitions. Second operand 4 states. [2019-11-23 21:03:49,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:49,823 INFO L93 Difference]: Finished difference Result 3342 states and 4204 transitions. [2019-11-23 21:03:49,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:49,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 293 [2019-11-23 21:03:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:49,834 INFO L225 Difference]: With dead ends: 3342 [2019-11-23 21:03:49,837 INFO L226 Difference]: Without dead ends: 1950 [2019-11-23 21:03:49,839 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:49,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2019-11-23 21:03:49,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1811. [2019-11-23 21:03:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2019-11-23 21:03:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2227 transitions. [2019-11-23 21:03:49,886 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2227 transitions. Word has length 293 [2019-11-23 21:03:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:49,886 INFO L462 AbstractCegarLoop]: Abstraction has 1811 states and 2227 transitions. [2019-11-23 21:03:49,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2227 transitions. [2019-11-23 21:03:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-11-23 21:03:49,893 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:49,893 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:49,894 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:49,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:49,894 INFO L82 PathProgramCache]: Analyzing trace with hash -682290941, now seen corresponding path program 1 times [2019-11-23 21:03:49,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:49,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110238752] [2019-11-23 21:03:49,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 266 proven. 6 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-23 21:03:50,252 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110238752] [2019-11-23 21:03:50,252 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841122436] [2019-11-23 21:03:50,253 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 [2019-11-23 21:03:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:50,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 21:03:50,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:03:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-23 21:03:50,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:03:50,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-23 21:03:50,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030642855] [2019-11-23 21:03:50,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:03:50,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:50,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:03:50,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:03:50,599 INFO L87 Difference]: Start difference. First operand 1811 states and 2227 transitions. Second operand 3 states. [2019-11-23 21:03:51,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:51,089 INFO L93 Difference]: Finished difference Result 3620 states and 4452 transitions. [2019-11-23 21:03:51,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:03:51,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2019-11-23 21:03:51,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:51,100 INFO L225 Difference]: With dead ends: 3620 [2019-11-23 21:03:51,100 INFO L226 Difference]: Without dead ends: 1811 [2019-11-23 21:03:51,103 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:03:51,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-11-23 21:03:51,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2019-11-23 21:03:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2019-11-23 21:03:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2172 transitions. [2019-11-23 21:03:51,138 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2172 transitions. Word has length 329 [2019-11-23 21:03:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:51,139 INFO L462 AbstractCegarLoop]: Abstraction has 1811 states and 2172 transitions. [2019-11-23 21:03:51,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:03:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2172 transitions. [2019-11-23 21:03:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-11-23 21:03:51,146 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:51,147 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:51,350 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:03:51,351 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:51,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:51,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1836585585, now seen corresponding path program 1 times [2019-11-23 21:03:51,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:51,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054847614] [2019-11-23 21:03:51,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-11-23 21:03:51,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054847614] [2019-11-23 21:03:51,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:51,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:03:51,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571844877] [2019-11-23 21:03:51,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:51,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:51,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:51,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:51,653 INFO L87 Difference]: Start difference. First operand 1811 states and 2172 transitions. Second operand 4 states. [2019-11-23 21:03:52,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:52,595 INFO L93 Difference]: Finished difference Result 3618 states and 4341 transitions. [2019-11-23 21:03:52,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:52,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 338 [2019-11-23 21:03:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:52,597 INFO L225 Difference]: With dead ends: 3618 [2019-11-23 21:03:52,597 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:03:52,602 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 21:03:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:03:52,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:03:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:03:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:03:52,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 338 [2019-11-23 21:03:52,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:52,604 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:03:52,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:03:52,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:03:52,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:03:52,866 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2019-11-23 21:03:52,992 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2019-11-23 21:03:52,995 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-23 21:03:52,996 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,996 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,996 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,996 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,996 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,997 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,997 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-23 21:03:52,997 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-23 21:03:52,997 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-23 21:03:52,997 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-23 21:03:52,997 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-23 21:03:52,998 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-23 21:03:52,998 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-23 21:03:52,998 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-23 21:03:52,998 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-23 21:03:52,998 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-23 21:03:52,998 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-23 21:03:52,998 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,999 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,999 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,999 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,999 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:52,999 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-23 21:03:52,999 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-23 21:03:52,999 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-23 21:03:53,000 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-23 21:03:53,000 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-23 21:03:53,000 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-23 21:03:53,000 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-23 21:03:53,000 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-23 21:03:53,000 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-23 21:03:53,000 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-23 21:03:53,001 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-23 21:03:53,001 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-23 21:03:53,001 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-23 21:03:53,001 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-23 21:03:53,001 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,001 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,001 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,001 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,002 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,002 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-23 21:03:53,002 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-23 21:03:53,002 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-23 21:03:53,002 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-23 21:03:53,002 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-23 21:03:53,002 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-23 21:03:53,003 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 218)) (.cse2 (not (= ~a19~0 10))) (.cse1 (not (= ~a19~0 7))) (.cse3 (<= 1 ~a10~0)) (.cse4 (not (= ~a10~0 3)))) (or (and .cse0 .cse1 .cse2 .cse3) (= ~a10~0 1) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 (= ~a10~0 0)) (and .cse3 (= ~a19~0 9)) (and .cse4 (= ~a19~0 8)))) [2019-11-23 21:03:53,003 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-23 21:03:53,003 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-23 21:03:53,003 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-23 21:03:53,003 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-23 21:03:53,004 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,004 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,004 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,004 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,004 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,004 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-23 21:03:53,004 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-23 21:03:53,005 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-23 21:03:53,005 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-23 21:03:53,005 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-23 21:03:53,005 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-23 21:03:53,005 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-23 21:03:53,005 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-23 21:03:53,005 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-23 21:03:53,005 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-23 21:03:53,006 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-23 21:03:53,006 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-23 21:03:53,006 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-23 21:03:53,006 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-23 21:03:53,006 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,006 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,006 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,006 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-23 21:03:53,007 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-23 21:03:53,008 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-23 21:03:53,008 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,008 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,008 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,008 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,008 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,008 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-23 21:03:53,009 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-23 21:03:53,009 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-23 21:03:53,009 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-23 21:03:53,009 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-23 21:03:53,009 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-23 21:03:53,009 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-23 21:03:53,009 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-23 21:03:53,010 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-23 21:03:53,010 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-23 21:03:53,010 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-23 21:03:53,010 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:03:53,010 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-23 21:03:53,010 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 218)) (.cse2 (not (= ~a19~0 10))) (.cse1 (not (= ~a19~0 7))) (.cse3 (<= 1 ~a10~0)) (.cse4 (not (= ~a10~0 3)))) (or (and .cse0 .cse1 .cse2 .cse3) (= ~a10~0 1) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 (= ~a10~0 0)) (and .cse3 (= ~a19~0 9)) (and .cse4 (= ~a19~0 8)))) [2019-11-23 21:03:53,011 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-23 21:03:53,011 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,011 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,011 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,011 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,011 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-23 21:03:53,011 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,011 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,012 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-23 21:03:53,012 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-23 21:03:53,012 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-23 21:03:53,012 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-23 21:03:53,012 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-23 21:03:53,012 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-23 21:03:53,012 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-23 21:03:53,012 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,013 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,014 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,014 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,014 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-23 21:03:53,014 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-23 21:03:53,014 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-23 21:03:53,014 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:03:53,014 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-23 21:03:53,014 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-23 21:03:53,015 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-23 21:03:53,016 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-23 21:03:53,016 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,016 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,016 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,016 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,016 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,016 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,016 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-23 21:03:53,017 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,018 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,019 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,019 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-23 21:03:53,019 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-23 21:03:53,019 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-23 21:03:53,019 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-23 21:03:53,019 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-23 21:03:53,019 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-23 21:03:53,019 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-23 21:03:53,020 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-23 21:03:53,020 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-23 21:03:53,020 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-23 21:03:53,020 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-23 21:03:53,020 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:03:53,020 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2019-11-23 21:03:53,020 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-23 21:03:53,021 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,021 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,021 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,021 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,021 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,021 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:53,021 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-23 21:03:53,022 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-23 21:03:53,023 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-23 21:03:53,023 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-23 21:03:53,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:03:53 BoogieIcfgContainer [2019-11-23 21:03:53,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:03:53,044 INFO L168 Benchmark]: Toolchain (without parser) took 12623.45 ms. Allocated memory was 137.9 MB in the beginning and 456.7 MB in the end (delta: 318.8 MB). Free memory was 101.3 MB in the beginning and 152.1 MB in the end (delta: -50.8 MB). Peak memory consumption was 267.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:53,045 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-23 21:03:53,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.49 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 101.1 MB in the beginning and 171.4 MB in the end (delta: -70.3 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:53,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.40 ms. Allocated memory is still 205.0 MB. Free memory was 171.4 MB in the beginning and 163.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:53,048 INFO L168 Benchmark]: Boogie Preprocessor took 84.49 ms. Allocated memory is still 205.0 MB. Free memory was 163.0 MB in the beginning and 157.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:53,049 INFO L168 Benchmark]: RCFGBuilder took 1388.07 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 157.4 MB in the beginning and 167.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:53,050 INFO L168 Benchmark]: TraceAbstraction took 10290.16 ms. Allocated memory was 237.0 MB in the beginning and 456.7 MB in the end (delta: 219.7 MB). Free memory was 167.9 MB in the beginning and 152.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 235.5 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:53,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.49 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 101.1 MB in the beginning and 171.4 MB in the end (delta: -70.3 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 102.40 ms. Allocated memory is still 205.0 MB. Free memory was 171.4 MB in the beginning and 163.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.49 ms. Allocated memory is still 205.0 MB. Free memory was 163.0 MB in the beginning and 157.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1388.07 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 157.4 MB in the beginning and 167.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10290.16 ms. Allocated memory was 237.0 MB in the beginning and 456.7 MB in the end (delta: 219.7 MB). Free memory was 167.9 MB in the beginning and 152.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 235.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a1 <= 218 && !(a19 == 7)) && !(a19 == 10)) && 1 <= a10) || a10 == 1) || (((!(a10 == 3) && a1 <= 218) && !(a19 == 10)) && 1 <= a10)) || (!(a19 == 7) && a10 == 0)) || (1 <= a10 && a19 == 9)) || (!(a10 == 3) && a19 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((a1 <= 218 && !(a19 == 7)) && !(a19 == 10)) && 1 <= a10) || a10 == 1) || (((!(a10 == 3) && a1 <= 218) && !(a19 == 10)) && 1 <= a10)) || (!(a19 == 7) && a10 == 0)) || (1 <= a10 && a19 == 9)) || (!(a10 == 3) && a19 == 8) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 10.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 327 SDtfs, 1641 SDslu, 65 SDs, 0 SdLazy, 4360 SolverSat, 898 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 338 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1529 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 40 NumberOfFragments, 115 HoareAnnotationTreeSize, 3 FomulaSimplifications, 662 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 622 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1680 NumberOfCodeBlocks, 1680 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1672 ConstructedInterpolants, 0 QuantifiedInterpolants, 909323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 1397/1403 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...