/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/Problem02_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 20:54:50,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 20:54:50,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 20:54:50,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 20:54:51,037 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 20:54:51,073 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 20:54:51,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 20:54:51,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 20:54:51,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 20:54:51,075 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 20:54:51,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 20:54:51,075 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 20:54:51,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 20:54:51,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 20:54:51,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 20:54:51,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 20:54:51,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 20:54:51,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 20:54:51,077 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 20:54:51,077 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 20:54:51,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 20:54:51,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 20:54:51,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 20:54:51,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 20:54:51,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 20:54:51,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 20:54:51,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 20:54:51,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:54:51,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 20:54:51,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 20:54:51,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 20:54:51,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 20:54:51,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 20:54:51,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 20:54:51,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 20:54:51,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 20:54:51,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 20:54:51,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 20:54:51,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 20:54:51,375 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 20:54:51,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2019-11-23 20:54:51,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e676205a/ac37aa8f77e64f5cb10e1410fc53b9f4/FLAG88ac62476 [2019-11-23 20:54:52,037 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 20:54:52,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2019-11-23 20:54:52,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e676205a/ac37aa8f77e64f5cb10e1410fc53b9f4/FLAG88ac62476 [2019-11-23 20:54:52,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e676205a/ac37aa8f77e64f5cb10e1410fc53b9f4 [2019-11-23 20:54:52,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 20:54:52,323 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 20:54:52,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 20:54:52,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 20:54:52,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 20:54:52,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:54:52" (1/1) ... [2019-11-23 20:54:52,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634a231b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:52, skipping insertion in model container [2019-11-23 20:54:52,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:54:52" (1/1) ... [2019-11-23 20:54:52,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 20:54:52,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 20:54:52,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:54:52,922 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 20:54:53,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:54:53,064 INFO L208 MainTranslator]: Completed translation [2019-11-23 20:54:53,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53 WrapperNode [2019-11-23 20:54:53,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 20:54:53,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 20:54:53,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 20:54:53,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 20:54:53,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 20:54:53,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 20:54:53,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 20:54:53,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 20:54:53,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (1/1) ... [2019-11-23 20:54:53,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 20:54:53,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 20:54:53,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 20:54:53,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 20:54:53,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (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 20:54:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 20:54:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 20:54:54,554 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 20:54:54,555 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 20:54:54,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:54:54 BoogieIcfgContainer [2019-11-23 20:54:54,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 20:54:54,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 20:54:54,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 20:54:54,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 20:54:54,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:54:52" (1/3) ... [2019-11-23 20:54:54,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9ced7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:54:54, skipping insertion in model container [2019-11-23 20:54:54,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:54:53" (2/3) ... [2019-11-23 20:54:54,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9ced7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:54:54, skipping insertion in model container [2019-11-23 20:54:54,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:54:54" (3/3) ... [2019-11-23 20:54:54,565 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2019-11-23 20:54:54,576 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 20:54:54,586 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 20:54:54,598 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 20:54:54,648 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 20:54:54,648 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 20:54:54,649 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 20:54:54,649 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 20:54:54,649 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 20:54:54,650 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 20:54:54,650 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 20:54:54,650 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 20:54:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-23 20:54:54,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-23 20:54:54,708 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:54,709 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:54:54,710 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:54,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:54,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1378216101, now seen corresponding path program 1 times [2019-11-23 20:54:54,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:54,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157780695] [2019-11-23 20:54:54,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:55,274 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 20:54:55,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157780695] [2019-11-23 20:54:55,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:55,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:55,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574954662] [2019-11-23 20:54:55,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:55,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:55,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:55,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:55,308 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-23 20:54:56,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:56,855 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-11-23 20:54:56,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:56,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2019-11-23 20:54:56,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:56,897 INFO L225 Difference]: With dead ends: 775 [2019-11-23 20:54:56,897 INFO L226 Difference]: Without dead ends: 460 [2019-11-23 20:54:56,908 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 20:54:56,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-23 20:54:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-11-23 20:54:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-23 20:54:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-11-23 20:54:57,027 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 125 [2019-11-23 20:54:57,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:57,028 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-11-23 20:54:57,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:57,028 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-11-23 20:54:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-23 20:54:57,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:57,037 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:54:57,038 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:57,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:57,039 INFO L82 PathProgramCache]: Analyzing trace with hash 427040720, now seen corresponding path program 1 times [2019-11-23 20:54:57,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:57,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733838546] [2019-11-23 20:54:57,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:54:57,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733838546] [2019-11-23 20:54:57,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:57,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:57,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698195439] [2019-11-23 20:54:57,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:57,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:57,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:57,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:57,325 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-11-23 20:54:58,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:58,241 INFO L93 Difference]: Finished difference Result 977 states and 1474 transitions. [2019-11-23 20:54:58,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:58,246 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-11-23 20:54:58,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:58,250 INFO L225 Difference]: With dead ends: 977 [2019-11-23 20:54:58,250 INFO L226 Difference]: Without dead ends: 588 [2019-11-23 20:54:58,252 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 20:54:58,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2019-11-23 20:54:58,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 448. [2019-11-23 20:54:58,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-11-23 20:54:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 621 transitions. [2019-11-23 20:54:58,278 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 621 transitions. Word has length 129 [2019-11-23 20:54:58,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:58,279 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 621 transitions. [2019-11-23 20:54:58,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 621 transitions. [2019-11-23 20:54:58,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-23 20:54:58,281 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:58,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:58,282 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:58,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:58,282 INFO L82 PathProgramCache]: Analyzing trace with hash 349951226, now seen corresponding path program 1 times [2019-11-23 20:54:58,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:58,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882884146] [2019-11-23 20:54:58,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:58,410 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 20:54:58,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882884146] [2019-11-23 20:54:58,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:58,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:58,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470010313] [2019-11-23 20:54:58,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:58,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:58,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:58,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:58,416 INFO L87 Difference]: Start difference. First operand 448 states and 621 transitions. Second operand 4 states. [2019-11-23 20:54:59,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:54:59,370 INFO L93 Difference]: Finished difference Result 1753 states and 2444 transitions. [2019-11-23 20:54:59,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:54:59,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2019-11-23 20:54:59,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:54:59,377 INFO L225 Difference]: With dead ends: 1753 [2019-11-23 20:54:59,378 INFO L226 Difference]: Without dead ends: 1307 [2019-11-23 20:54:59,379 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 20:54:59,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2019-11-23 20:54:59,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 871. [2019-11-23 20:54:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2019-11-23 20:54:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1168 transitions. [2019-11-23 20:54:59,425 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1168 transitions. Word has length 143 [2019-11-23 20:54:59,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:54:59,425 INFO L462 AbstractCegarLoop]: Abstraction has 871 states and 1168 transitions. [2019-11-23 20:54:59,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:54:59,426 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1168 transitions. [2019-11-23 20:54:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-23 20:54:59,428 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:54:59,429 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:54:59,429 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:54:59,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:54:59,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1893011715, now seen corresponding path program 1 times [2019-11-23 20:54:59,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:54:59,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667406150] [2019-11-23 20:54:59,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:54:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:54:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-23 20:54:59,495 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667406150] [2019-11-23 20:54:59,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:54:59,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:54:59,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127781723] [2019-11-23 20:54:59,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:54:59,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:54:59,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:54:59,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:54:59,497 INFO L87 Difference]: Start difference. First operand 871 states and 1168 transitions. Second operand 4 states. [2019-11-23 20:55:00,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:55:00,432 INFO L93 Difference]: Finished difference Result 3287 states and 4394 transitions. [2019-11-23 20:55:00,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:55:00,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2019-11-23 20:55:00,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:55:00,443 INFO L225 Difference]: With dead ends: 3287 [2019-11-23 20:55:00,444 INFO L226 Difference]: Without dead ends: 2418 [2019-11-23 20:55:00,445 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 20:55:00,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2019-11-23 20:55:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2132. [2019-11-23 20:55:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-11-23 20:55:00,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2647 transitions. [2019-11-23 20:55:00,495 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2647 transitions. Word has length 155 [2019-11-23 20:55:00,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:55:00,495 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2647 transitions. [2019-11-23 20:55:00,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:55:00,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2647 transitions. [2019-11-23 20:55:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-23 20:55:00,500 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:55:00,500 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:55:00,501 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:55:00,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:55:00,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1809702189, now seen corresponding path program 1 times [2019-11-23 20:55:00,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:55:00,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375194169] [2019-11-23 20:55:00,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:55:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:55:00,580 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 20:55:00,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375194169] [2019-11-23 20:55:00,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:55:00,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:55:00,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130960886] [2019-11-23 20:55:00,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:55:00,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:55:00,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:55:00,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:55:00,583 INFO L87 Difference]: Start difference. First operand 2132 states and 2647 transitions. Second operand 4 states. [2019-11-23 20:55:01,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:55:01,515 INFO L93 Difference]: Finished difference Result 5395 states and 6742 transitions. [2019-11-23 20:55:01,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:55:01,516 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-11-23 20:55:01,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:55:01,536 INFO L225 Difference]: With dead ends: 5395 [2019-11-23 20:55:01,537 INFO L226 Difference]: Without dead ends: 3265 [2019-11-23 20:55:01,542 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 20:55:01,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2019-11-23 20:55:01,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 2133. [2019-11-23 20:55:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-11-23 20:55:01,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2588 transitions. [2019-11-23 20:55:01,625 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2588 transitions. Word has length 158 [2019-11-23 20:55:01,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:55:01,626 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2588 transitions. [2019-11-23 20:55:01,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:55:01,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2588 transitions. [2019-11-23 20:55:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-23 20:55:01,633 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:55:01,634 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:01,635 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:55:01,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:55:01,635 INFO L82 PathProgramCache]: Analyzing trace with hash 312992377, now seen corresponding path program 1 times [2019-11-23 20:55:01,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:55:01,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083948538] [2019-11-23 20:55:01,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:55:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:55:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:55:01,735 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083948538] [2019-11-23 20:55:01,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:55:01,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:55:01,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332752850] [2019-11-23 20:55:01,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:55:01,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:55:01,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:55:01,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:55:01,738 INFO L87 Difference]: Start difference. First operand 2133 states and 2588 transitions. Second operand 3 states. [2019-11-23 20:55:02,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:55:02,244 INFO L93 Difference]: Finished difference Result 4549 states and 5472 transitions. [2019-11-23 20:55:02,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:55:02,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-11-23 20:55:02,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:55:02,257 INFO L225 Difference]: With dead ends: 4549 [2019-11-23 20:55:02,257 INFO L226 Difference]: Without dead ends: 2278 [2019-11-23 20:55:02,261 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 20:55:02,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2019-11-23 20:55:02,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2133. [2019-11-23 20:55:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-11-23 20:55:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2495 transitions. [2019-11-23 20:55:02,305 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2495 transitions. Word has length 165 [2019-11-23 20:55:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:55:02,305 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2495 transitions. [2019-11-23 20:55:02,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:55:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2495 transitions. [2019-11-23 20:55:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-23 20:55:02,310 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:55:02,310 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:55:02,311 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:55:02,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:55:02,311 INFO L82 PathProgramCache]: Analyzing trace with hash -2122414462, now seen corresponding path program 1 times [2019-11-23 20:55:02,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:55:02,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500600762] [2019-11-23 20:55:02,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:55:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:55:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 20:55:02,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500600762] [2019-11-23 20:55:02,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:55:02,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:55:02,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71947506] [2019-11-23 20:55:02,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:55:02,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:55:02,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:55:02,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:55:02,448 INFO L87 Difference]: Start difference. First operand 2133 states and 2495 transitions. Second operand 3 states. [2019-11-23 20:55:02,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:55:02,887 INFO L93 Difference]: Finished difference Result 4681 states and 5436 transitions. [2019-11-23 20:55:02,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:55:02,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-11-23 20:55:02,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:55:02,897 INFO L225 Difference]: With dead ends: 4681 [2019-11-23 20:55:02,897 INFO L226 Difference]: Without dead ends: 1990 [2019-11-23 20:55:02,901 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 20:55:02,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2019-11-23 20:55:02,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1850. [2019-11-23 20:55:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1850 states. [2019-11-23 20:55:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2047 transitions. [2019-11-23 20:55:02,940 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2047 transitions. Word has length 174 [2019-11-23 20:55:02,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:55:02,940 INFO L462 AbstractCegarLoop]: Abstraction has 1850 states and 2047 transitions. [2019-11-23 20:55:02,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:55:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2047 transitions. [2019-11-23 20:55:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-23 20:55:02,945 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:55:02,945 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:02,946 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:55:02,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:55:02,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1776115291, now seen corresponding path program 1 times [2019-11-23 20:55:02,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:55:02,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132259380] [2019-11-23 20:55:02,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:55:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:55:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-23 20:55:03,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132259380] [2019-11-23 20:55:03,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868107332] [2019-11-23 20:55:03,091 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 20:55:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:55:03,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 20:55:03,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:55:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-23 20:55:03,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:55:03,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-23 20:55:03,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341607735] [2019-11-23 20:55:03,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:55:03,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:55:03,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:55:03,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-23 20:55:03,305 INFO L87 Difference]: Start difference. First operand 1850 states and 2047 transitions. Second operand 3 states. [2019-11-23 20:55:03,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:55:03,767 INFO L93 Difference]: Finished difference Result 3697 states and 4091 transitions. [2019-11-23 20:55:03,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:55:03,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-11-23 20:55:03,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:55:03,778 INFO L225 Difference]: With dead ends: 3697 [2019-11-23 20:55:03,778 INFO L226 Difference]: Without dead ends: 1849 [2019-11-23 20:55:03,781 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-23 20:55:03,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2019-11-23 20:55:03,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1429. [2019-11-23 20:55:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-11-23 20:55:03,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1533 transitions. [2019-11-23 20:55:03,811 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1533 transitions. Word has length 188 [2019-11-23 20:55:03,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:55:03,812 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1533 transitions. [2019-11-23 20:55:03,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:55:03,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1533 transitions. [2019-11-23 20:55:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-23 20:55:03,818 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:55:03,819 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-23 20:55:04,024 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:55:04,025 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:55:04,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:55:04,025 INFO L82 PathProgramCache]: Analyzing trace with hash 360926504, now seen corresponding path program 1 times [2019-11-23 20:55:04,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:55:04,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253599188] [2019-11-23 20:55:04,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:55:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:55:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:55:04,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253599188] [2019-11-23 20:55:04,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:55:04,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 20:55:04,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218355669] [2019-11-23 20:55:04,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-23 20:55:04,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:55:04,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-23 20:55:04,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-23 20:55:04,241 INFO L87 Difference]: Start difference. First operand 1429 states and 1533 transitions. Second operand 7 states. [2019-11-23 20:55:05,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:55:05,559 INFO L93 Difference]: Finished difference Result 3741 states and 4045 transitions. [2019-11-23 20:55:05,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-23 20:55:05,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 198 [2019-11-23 20:55:05,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:55:05,568 INFO L225 Difference]: With dead ends: 3741 [2019-11-23 20:55:05,568 INFO L226 Difference]: Without dead ends: 2031 [2019-11-23 20:55:05,571 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-11-23 20:55:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2019-11-23 20:55:05,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1429. [2019-11-23 20:55:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-11-23 20:55:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1503 transitions. [2019-11-23 20:55:05,609 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1503 transitions. Word has length 198 [2019-11-23 20:55:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:55:05,609 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1503 transitions. [2019-11-23 20:55:05,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-23 20:55:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1503 transitions. [2019-11-23 20:55:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-11-23 20:55:05,614 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:55:05,614 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-23 20:55:05,614 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:55:05,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:55:05,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1134644622, now seen corresponding path program 1 times [2019-11-23 20:55:05,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:55:05,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316646915] [2019-11-23 20:55:05,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:55:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:55:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:55:05,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316646915] [2019-11-23 20:55:05,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:55:05,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:55:05,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775062196] [2019-11-23 20:55:05,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:55:05,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:55:05,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:55:05,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:55:05,774 INFO L87 Difference]: Start difference. First operand 1429 states and 1503 transitions. Second operand 4 states. [2019-11-23 20:55:06,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:55:06,603 INFO L93 Difference]: Finished difference Result 3140 states and 3298 transitions. [2019-11-23 20:55:06,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:55:06,604 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 202 [2019-11-23 20:55:06,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:55:06,613 INFO L225 Difference]: With dead ends: 3140 [2019-11-23 20:55:06,613 INFO L226 Difference]: Without dead ends: 1573 [2019-11-23 20:55:06,615 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 20:55:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2019-11-23 20:55:06,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1429. [2019-11-23 20:55:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-11-23 20:55:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1489 transitions. [2019-11-23 20:55:06,652 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1489 transitions. Word has length 202 [2019-11-23 20:55:06,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:55:06,653 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1489 transitions. [2019-11-23 20:55:06,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:55:06,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1489 transitions. [2019-11-23 20:55:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-23 20:55:06,660 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:55:06,661 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:06,661 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:55:06,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:55:06,662 INFO L82 PathProgramCache]: Analyzing trace with hash -135469808, now seen corresponding path program 1 times [2019-11-23 20:55:06,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:55:06,662 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429109454] [2019-11-23 20:55:06,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:55:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:55:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-23 20:55:06,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429109454] [2019-11-23 20:55:06,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:55:06,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:55:06,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783402531] [2019-11-23 20:55:06,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:55:06,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:55:06,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:55:06,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:55:06,836 INFO L87 Difference]: Start difference. First operand 1429 states and 1489 transitions. Second operand 4 states. [2019-11-23 20:55:07,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:55:07,454 INFO L93 Difference]: Finished difference Result 3276 states and 3429 transitions. [2019-11-23 20:55:07,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:55:07,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 223 [2019-11-23 20:55:07,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:55:07,456 INFO L225 Difference]: With dead ends: 3276 [2019-11-23 20:55:07,456 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 20:55:07,460 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 20:55:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 20:55:07,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 20:55:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 20:55:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 20:55:07,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2019-11-23 20:55:07,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:55:07,461 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 20:55:07,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:55:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 20:55:07,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 20:55:07,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 20:55:07,653 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 117 [2019-11-23 20:55:07,796 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 117 [2019-11-23 20:55:08,408 WARN L192 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2019-11-23 20:55:09,022 WARN L192 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2019-11-23 20:55:09,027 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,027 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 20:55:09,028 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,029 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,029 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,029 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 20:55:09,029 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-23 20:55:09,029 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-23 20:55:09,029 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-23 20:55:09,029 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-23 20:55:09,029 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-23 20:55:09,030 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 20:55:09,031 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,031 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,031 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,031 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 20:55:09,031 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 20:55:09,031 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-23 20:55:09,031 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-23 20:55:09,031 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-23 20:55:09,032 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 20:55:09,032 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 20:55:09,032 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 20:55:09,032 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,032 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,032 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,032 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 20:55:09,032 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-23 20:55:09,033 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-23 20:55:09,033 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-23 20:55:09,033 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 20:55:09,033 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 20:55:09,033 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 20:55:09,033 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 20:55:09,033 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,033 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,034 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,034 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-23 20:55:09,034 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-23 20:55:09,034 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-23 20:55:09,034 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-23 20:55:09,034 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-23 20:55:09,034 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-23 20:55:09,034 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-23 20:55:09,035 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-23 20:55:09,036 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 20:55:09,036 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 20:55:09,036 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,036 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,036 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,036 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 20:55:09,036 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 20:55:09,036 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,037 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,038 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-23 20:55:09,038 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-23 20:55:09,038 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-23 20:55:09,038 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 20:55:09,038 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 20:55:09,038 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,038 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,038 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-23 20:55:09,039 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 20:55:09,040 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 20:55:09,040 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 20:55:09,040 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-11-23 20:55:09,040 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-23 20:55:09,040 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,040 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,040 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 20:55:09,041 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-23 20:55:09,041 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-23 20:55:09,041 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-23 20:55:09,041 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 20:55:09,041 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 20:55:09,041 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-23 20:55:09,041 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-23 20:55:09,041 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 20:55:09,042 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse12 (= ~a28~0 11)) (.cse10 (= ~a11~0 1)) (.cse2 (= ~a19~0 1)) (.cse9 (= ~a25~0 1)) (.cse6 (= ~a28~0 7))) (let ((.cse0 (not .cse6)) (.cse1 (= ~a17~0 8)) (.cse3 (= ~a21~0 1)) (.cse13 (<= ~a19~0 0)) (.cse11 (not .cse9)) (.cse8 (not .cse2)) (.cse5 (not .cse10)) (.cse7 (= ~a28~0 9)) (.cse4 (not .cse12))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4))) (and .cse1 .cse2 .cse6 .cse3) (and .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse11 .cse5 .cse4) (and .cse0 .cse11 .cse2 .cse10) (and .cse12 (or (and .cse1 .cse2 .cse3) (and .cse2 .cse5)) .cse9) (and .cse2 .cse6 .cse10 .cse9) (and .cse8 .cse11 .cse6) (and .cse13 .cse11 .cse5) (and .cse13 .cse11 .cse4) (and .cse8 .cse5 (not .cse7) .cse4)))) [2019-11-23 20:55:09,042 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,042 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,042 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 20:55:09,043 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-23 20:55:09,043 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-23 20:55:09,043 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 20:55:09,043 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-23 20:55:09,043 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-23 20:55:09,043 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 20:55:09,043 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,043 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,043 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,044 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,045 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-23 20:55:09,045 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-23 20:55:09,045 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-23 20:55:09,045 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-23 20:55:09,045 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 20:55:09,045 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 20:55:09,045 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse12 (= ~a28~0 11)) (.cse10 (= ~a11~0 1)) (.cse2 (= ~a19~0 1)) (.cse9 (= ~a25~0 1)) (.cse6 (= ~a28~0 7))) (let ((.cse0 (not .cse6)) (.cse1 (= ~a17~0 8)) (.cse3 (= ~a21~0 1)) (.cse13 (<= ~a19~0 0)) (.cse11 (not .cse9)) (.cse8 (not .cse2)) (.cse5 (not .cse10)) (.cse7 (= ~a28~0 9)) (.cse4 (not .cse12))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4))) (and .cse1 .cse2 .cse6 .cse3) (and .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse11 .cse5 .cse4) (and .cse0 .cse11 .cse2 .cse10) (and .cse12 (or (and .cse1 .cse2 .cse3) (and .cse2 .cse5)) .cse9) (and .cse2 .cse6 .cse10 .cse9) (and .cse8 .cse11 .cse6) (and .cse13 .cse11 .cse5) (and .cse13 .cse11 .cse4) (and .cse8 .cse5 (not .cse7) .cse4)))) [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,046 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-23 20:55:09,047 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-23 20:55:09,048 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,049 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 20:55:09,050 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,051 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,052 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 20:55:09,052 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 20:55:09,052 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 20:55:09,052 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 20:55:09,052 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-23 20:55:09,052 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-23 20:55:09,052 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-23 20:55:09,052 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-23 20:55:09,053 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 20:55:09,053 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-23 20:55:09,053 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 20:55:09,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:55:09 BoogieIcfgContainer [2019-11-23 20:55:09,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 20:55:09,081 INFO L168 Benchmark]: Toolchain (without parser) took 16758.21 ms. Allocated memory was 146.8 MB in the beginning and 465.6 MB in the end (delta: 318.8 MB). Free memory was 102.8 MB in the beginning and 155.0 MB in the end (delta: -52.2 MB). Peak memory consumption was 329.9 MB. Max. memory is 7.1 GB. [2019-11-23 20:55:09,082 INFO L168 Benchmark]: CDTParser took 1.47 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 20:55:09,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.40 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 102.6 MB in the beginning and 169.9 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-11-23 20:55:09,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.64 ms. Allocated memory is still 205.5 MB. Free memory was 169.9 MB in the beginning and 163.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-11-23 20:55:09,084 INFO L168 Benchmark]: Boogie Preprocessor took 107.36 ms. Allocated memory is still 205.5 MB. Free memory was 163.9 MB in the beginning and 157.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-11-23 20:55:09,085 INFO L168 Benchmark]: RCFGBuilder took 1287.25 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 157.4 MB in the beginning and 163.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. [2019-11-23 20:55:09,086 INFO L168 Benchmark]: TraceAbstraction took 14521.28 ms. Allocated memory was 235.9 MB in the beginning and 465.6 MB in the end (delta: 229.6 MB). Free memory was 163.5 MB in the beginning and 155.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 301.4 MB. Max. memory is 7.1 GB. [2019-11-23 20:55:09,094 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.40 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 102.6 MB in the beginning and 169.9 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.64 ms. Allocated memory is still 205.5 MB. Free memory was 169.9 MB in the beginning and 163.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.36 ms. Allocated memory is still 205.5 MB. Free memory was 163.9 MB in the beginning and 157.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1287.25 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 157.4 MB in the beginning and 163.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14521.28 ms. Allocated memory was 235.9 MB in the beginning and 465.6 MB in the end (delta: 229.6 MB). Free memory was 163.5 MB in the beginning and 155.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 301.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: ((((((((((!(a28 == 7) && ((((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11)))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a21 == 1)) || (((a28 == 9 && !(a19 == 1)) && a25 == 1) && a11 == 1)) || (((!(a28 == 7) && !(a25 == 1)) && !(a11 == 1)) && !(a28 == 11))) || (((!(a28 == 7) && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a28 == 11 && (((a17 == 8 && a19 == 1) && a21 == 1) || (a19 == 1 && !(a11 == 1)))) && a25 == 1)) || (((a19 == 1 && a28 == 7) && a11 == 1) && a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && a28 == 7)) || ((a19 <= 0 && !(a25 == 1)) && !(a11 == 1))) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || (((!(a19 == 1) && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((!(a28 == 7) && ((((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11)))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a21 == 1)) || (((a28 == 9 && !(a19 == 1)) && a25 == 1) && a11 == 1)) || (((!(a28 == 7) && !(a25 == 1)) && !(a11 == 1)) && !(a28 == 11))) || (((!(a28 == 7) && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a28 == 11 && (((a17 == 8 && a19 == 1) && a21 == 1) || (a19 == 1 && !(a11 == 1)))) && a25 == 1)) || (((a19 == 1 && a28 == 7) && a11 == 1) && a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && a28 == 7)) || ((a19 <= 0 && !(a25 == 1)) && !(a11 == 1))) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || (((!(a19 == 1) && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 14.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, HoareTripleCheckerStatistics: 1452 SDtfs, 2865 SDslu, 352 SDs, 0 SdLazy, 6658 SolverSat, 1203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 202 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2133occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 3597 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 369 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5720 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3978 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2048 NumberOfCodeBlocks, 2048 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2036 ConstructedInterpolants, 0 QuantifiedInterpolants, 1121265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 326 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 717/720 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...