/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/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:11:38,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:11:38,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:11:38,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:11:38,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:11:38,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:11:38,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:11:38,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:11:38,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:11:38,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:11:38,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:11:38,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:11:38,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:11:38,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:11:38,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:11:38,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:11:38,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:11:38,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 21:11:38,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:11:38,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:11:38,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:11:38,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:11:38,906 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:11:38,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:11:38,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:11:38,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:11:38,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:11:38,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:11:38,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:11:38,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:11:38,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:11:38,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:11:38,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:11:38,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:11:38,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:11:38,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:11:38,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:11:38,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:11:38,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:11:38,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:11:38,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:11:38,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:11:38,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:11:38,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:11:38,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:11:38,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:11:38,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:11:38,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:11:39,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:11:39,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:11:39,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:11:39,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:11:39,251 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:11:39,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2019-11-23 21:11:39,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d96c487/2c8ecde898fa48d1b9e0048ab39b80e5/FLAG97852b759 [2019-11-23 21:11:39,949 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:11:39,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2019-11-23 21:11:39,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d96c487/2c8ecde898fa48d1b9e0048ab39b80e5/FLAG97852b759 [2019-11-23 21:11:40,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d96c487/2c8ecde898fa48d1b9e0048ab39b80e5 [2019-11-23 21:11:40,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:11:40,243 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:11:40,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:11:40,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:11:40,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:11:40,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:40" (1/1) ... [2019-11-23 21:11:40,252 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 09:11:40, skipping insertion in model container [2019-11-23 21:11:40,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:40" (1/1) ... [2019-11-23 21:11:40,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:11:40,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:11:40,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:11:40,905 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:11:41,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:11:41,059 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:11:41,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41 WrapperNode [2019-11-23 21:11:41,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:11:41,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:11:41,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:11:41,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:11:41,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:11:41,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:11:41,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:11:41,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:11:41,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... [2019-11-23 21:11:41,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:11:41,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:11:41,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:11:41,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:11:41,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:11:41,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:11:43,123 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:11:43,123 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 21:11:43,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:43 BoogieIcfgContainer [2019-11-23 21:11:43,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:11:43,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:11:43,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:11:43,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:11:43,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:40" (1/3) ... [2019-11-23 21:11:43,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c515154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:43, skipping insertion in model container [2019-11-23 21:11:43,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:41" (2/3) ... [2019-11-23 21:11:43,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c515154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:43, skipping insertion in model container [2019-11-23 21:11:43,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:43" (3/3) ... [2019-11-23 21:11:43,144 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2019-11-23 21:11:43,154 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:11:43,164 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:11:43,177 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:11:43,218 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:11:43,218 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:11:43,219 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:11:43,219 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:11:43,219 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:11:43,220 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:11:43,220 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:11:43,220 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:11:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-23 21:11:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-23 21:11:43,259 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:11:43,260 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] [2019-11-23 21:11:43,260 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:11:43,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:11:43,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1089129850, now seen corresponding path program 1 times [2019-11-23 21:11:43,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:11:43,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452275417] [2019-11-23 21:11:43,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:11:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:11:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:11:43,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452275417] [2019-11-23 21:11:43,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:11:43,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:11:43,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632507902] [2019-11-23 21:11:43,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:11:43,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:11:43,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:11:43,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:11:43,542 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-23 21:11:45,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:11:45,384 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-23 21:11:45,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:11:45,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-23 21:11:45,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:11:45,406 INFO L225 Difference]: With dead ends: 850 [2019-11-23 21:11:45,406 INFO L226 Difference]: Without dead ends: 538 [2019-11-23 21:11:45,411 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:11:45,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-23 21:11:45,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-23 21:11:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-23 21:11:45,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 808 transitions. [2019-11-23 21:11:45,489 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 808 transitions. Word has length 34 [2019-11-23 21:11:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:11:45,489 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 808 transitions. [2019-11-23 21:11:45,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:11:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 808 transitions. [2019-11-23 21:11:45,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-23 21:11:45,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:11:45,497 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:11:45,497 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:11:45,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:11:45,500 INFO L82 PathProgramCache]: Analyzing trace with hash -109608595, now seen corresponding path program 1 times [2019-11-23 21:11:45,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:11:45,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272138617] [2019-11-23 21:11:45,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:11:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:11:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:11:45,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272138617] [2019-11-23 21:11:45,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:11:45,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:11:45,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810977714] [2019-11-23 21:11:45,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:11:45,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:11:45,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:11:45,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:11:45,736 INFO L87 Difference]: Start difference. First operand 538 states and 808 transitions. Second operand 4 states. [2019-11-23 21:11:47,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:11:47,153 INFO L93 Difference]: Finished difference Result 1964 states and 2931 transitions. [2019-11-23 21:11:47,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:11:47,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-11-23 21:11:47,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:11:47,163 INFO L225 Difference]: With dead ends: 1964 [2019-11-23 21:11:47,163 INFO L226 Difference]: Without dead ends: 1428 [2019-11-23 21:11:47,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:11:47,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-11-23 21:11:47,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-11-23 21:11:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-23 21:11:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1903 transitions. [2019-11-23 21:11:47,221 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1903 transitions. Word has length 124 [2019-11-23 21:11:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:11:47,221 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 1903 transitions. [2019-11-23 21:11:47,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:11:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1903 transitions. [2019-11-23 21:11:47,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-23 21:11:47,226 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:11:47,227 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:11:47,227 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:11:47,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:11:47,227 INFO L82 PathProgramCache]: Analyzing trace with hash -829394662, now seen corresponding path program 1 times [2019-11-23 21:11:47,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:11:47,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212793512] [2019-11-23 21:11:47,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:11:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:11:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:11:47,503 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212793512] [2019-11-23 21:11:47,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:11:47,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:11:47,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136392942] [2019-11-23 21:11:47,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:11:47,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:11:47,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:11:47,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:11:47,510 INFO L87 Difference]: Start difference. First operand 1428 states and 1903 transitions. Second operand 4 states. [2019-11-23 21:11:48,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:11:48,823 INFO L93 Difference]: Finished difference Result 4100 states and 5682 transitions. [2019-11-23 21:11:48,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:11:48,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 170 [2019-11-23 21:11:48,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:11:48,843 INFO L225 Difference]: With dead ends: 4100 [2019-11-23 21:11:48,844 INFO L226 Difference]: Without dead ends: 2852 [2019-11-23 21:11:48,846 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:11:48,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2019-11-23 21:11:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2674. [2019-11-23 21:11:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-23 21:11:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3426 transitions. [2019-11-23 21:11:48,910 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3426 transitions. Word has length 170 [2019-11-23 21:11:48,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:11:48,912 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3426 transitions. [2019-11-23 21:11:48,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:11:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3426 transitions. [2019-11-23 21:11:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-11-23 21:11:48,931 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:11:48,932 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-23 21:11:48,932 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:11:48,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:11:48,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1462426687, now seen corresponding path program 1 times [2019-11-23 21:11:48,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:11:48,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472117646] [2019-11-23 21:11:48,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:11:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:11:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 243 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-23 21:11:49,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472117646] [2019-11-23 21:11:49,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175793177] [2019-11-23 21:11:49,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:11:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:11:49,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 21:11:49,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:11:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-11-23 21:11:49,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:11:49,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-23 21:11:49,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739834811] [2019-11-23 21:11:49,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:11:49,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:11:49,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:11:49,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:11:49,635 INFO L87 Difference]: Start difference. First operand 2674 states and 3426 transitions. Second operand 3 states. [2019-11-23 21:11:50,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:11:50,450 INFO L93 Difference]: Finished difference Result 5880 states and 7650 transitions. [2019-11-23 21:11:50,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:11:50,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2019-11-23 21:11:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:11:50,472 INFO L225 Difference]: With dead ends: 5880 [2019-11-23 21:11:50,472 INFO L226 Difference]: Without dead ends: 3386 [2019-11-23 21:11:50,476 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:11:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2019-11-23 21:11:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3030. [2019-11-23 21:11:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-11-23 21:11:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3746 transitions. [2019-11-23 21:11:50,555 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3746 transitions. Word has length 312 [2019-11-23 21:11:50,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:11:50,555 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3746 transitions. [2019-11-23 21:11:50,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:11:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3746 transitions. [2019-11-23 21:11:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-11-23 21:11:50,563 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:11:50,564 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:11:50,768 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:11:50,769 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:11:50,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:11:50,769 INFO L82 PathProgramCache]: Analyzing trace with hash -556615708, now seen corresponding path program 1 times [2019-11-23 21:11:50,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:11:50,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741693604] [2019-11-23 21:11:50,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:11:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:11:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 243 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-23 21:11:51,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741693604] [2019-11-23 21:11:51,103 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609020219] [2019-11-23 21:11:51,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:11:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:11:51,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 21:11:51,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:11:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2019-11-23 21:11:51,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:11:51,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-23 21:11:51,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947319633] [2019-11-23 21:11:51,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:11:51,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:11:51,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:11:51,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:11:51,405 INFO L87 Difference]: Start difference. First operand 3030 states and 3746 transitions. Second operand 3 states. [2019-11-23 21:11:52,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:11:52,131 INFO L93 Difference]: Finished difference Result 3742 states and 4632 transitions. [2019-11-23 21:11:52,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:11:52,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2019-11-23 21:11:52,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:11:52,133 INFO L225 Difference]: With dead ends: 3742 [2019-11-23 21:11:52,133 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:11:52,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:11:52,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:11:52,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:11:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:11:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:11:52,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 323 [2019-11-23 21:11:52,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:11:52,138 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:11:52,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:11:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:11:52,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:11:52,342 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:11:52,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:11:52,427 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-23 21:11:52,428 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-23 21:11:52,428 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,428 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,428 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,428 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-23 21:11:52,428 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-23 21:11:52,428 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-23 21:11:52,429 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-23 21:11:52,429 INFO L444 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-23 21:11:52,429 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-23 21:11:52,429 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-23 21:11:52,429 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-23 21:11:52,429 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,429 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,429 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,430 INFO L444 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-23 21:11:52,430 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-23 21:11:52,430 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-23 21:11:52,430 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-23 21:11:52,431 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-23 21:11:52,431 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-23 21:11:52,431 INFO L444 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-23 21:11:52,431 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-23 21:11:52,431 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,432 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,432 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,432 INFO L444 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-23 21:11:52,432 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-23 21:11:52,433 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-23 21:11:52,436 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-23 21:11:52,436 INFO L444 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-23 21:11:52,436 INFO L444 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-23 21:11:52,436 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-23 21:11:52,437 INFO L444 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-23 21:11:52,437 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-23 21:11:52,437 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,437 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,437 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,437 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-23 21:11:52,437 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-23 21:11:52,437 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-23 21:11:52,438 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-23 21:11:52,439 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-23 21:11:52,439 INFO L444 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-23 21:11:52,440 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-23 21:11:52,440 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,440 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,440 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,440 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-23 21:11:52,440 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-23 21:11:52,440 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,441 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,442 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-23 21:11:52,442 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-23 21:11:52,442 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-23 21:11:52,442 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-23 21:11:52,442 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-23 21:11:52,442 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-23 21:11:52,442 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-23 21:11:52,442 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-23 21:11:52,443 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:11:52,444 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-23 21:11:52,445 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,446 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2019-11-23 21:11:52,447 INFO L444 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-23 21:11:52,448 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-23 21:11:52,448 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,448 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,448 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,448 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-23 21:11:52,448 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-23 21:11:52,448 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-23 21:11:52,449 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,450 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,451 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,452 INFO L444 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-23 21:11:52,452 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-23 21:11:52,452 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-23 21:11:52,452 INFO L444 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-23 21:11:52,452 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-23 21:11:52,452 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-23 21:11:52,452 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,452 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,453 INFO L440 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (or (<= 7 ~a15~0) (< 11 ~a12~0) (not (= ~a21~0 8))) [2019-11-23 21:11:52,453 INFO L444 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-23 21:11:52,453 INFO L444 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-23 21:11:52,453 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-23 21:11:52,453 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-23 21:11:52,453 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-23 21:11:52,453 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-23 21:11:52,456 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-23 21:11:52,456 INFO L444 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-23 21:11:52,456 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,456 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,456 INFO L447 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-23 21:11:52,456 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-23 21:11:52,456 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-23 21:11:52,456 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-23 21:11:52,457 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-23 21:11:52,458 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-23 21:11:52,458 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:11:52,458 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-23 21:11:52,458 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-23 21:11:52,458 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,458 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,459 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-23 21:11:52,459 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,459 INFO L444 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-23 21:11:52,459 INFO L440 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 7 ~a15~0) (< 11 ~a12~0) (not (= ~a21~0 8))) [2019-11-23 21:11:52,459 INFO L444 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-23 21:11:52,460 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-23 21:11:52,460 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-23 21:11:52,460 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-23 21:11:52,460 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-23 21:11:52,460 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-23 21:11:52,460 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-23 21:11:52,462 INFO L444 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-23 21:11:52,463 INFO L444 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-23 21:11:52,463 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,463 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,463 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,463 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-23 21:11:52,463 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-23 21:11:52,464 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-23 21:11:52,464 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-23 21:11:52,464 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-23 21:11:52,464 INFO L444 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-23 21:11:52,464 INFO L444 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-23 21:11:52,464 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-23 21:11:52,465 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-23 21:11:52,465 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,465 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,465 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,465 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-23 21:11:52,466 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-23 21:11:52,466 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-23 21:11:52,466 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-23 21:11:52,466 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:11:52,466 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-23 21:11:52,466 INFO L444 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-23 21:11:52,466 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-23 21:11:52,467 INFO L444 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-23 21:11:52,467 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,467 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,467 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,467 INFO L444 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-23 21:11:52,467 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-23 21:11:52,468 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-23 21:11:52,468 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-23 21:11:52,468 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-23 21:11:52,468 INFO L444 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-23 21:11:52,468 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-23 21:11:52,468 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-23 21:11:52,469 INFO L444 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-23 21:11:52,469 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,469 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,469 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:11:52,469 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-23 21:11:52,469 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-23 21:11:52,470 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-23 21:11:52,470 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-23 21:11:52,470 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-23 21:11:52,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:52 BoogieIcfgContainer [2019-11-23 21:11:52,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:11:52,499 INFO L168 Benchmark]: Toolchain (without parser) took 12253.40 ms. Allocated memory was 138.9 MB in the beginning and 465.6 MB in the end (delta: 326.6 MB). Free memory was 102.0 MB in the beginning and 255.8 MB in the end (delta: -153.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 7.1 GB. [2019-11-23 21:11:52,500 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 21:11:52,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.35 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 157.5 MB in the end (delta: -55.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-11-23 21:11:52,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.39 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 148.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-23 21:11:52,508 INFO L168 Benchmark]: Boogie Preprocessor took 134.17 ms. Allocated memory is still 203.9 MB. Free memory was 148.0 MB in the beginning and 141.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:11:52,510 INFO L168 Benchmark]: RCFGBuilder took 1811.24 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 141.0 MB in the beginning and 127.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 63.0 MB. Max. memory is 7.1 GB. [2019-11-23 21:11:52,511 INFO L168 Benchmark]: TraceAbstraction took 9365.73 ms. Allocated memory was 237.5 MB in the beginning and 465.6 MB in the end (delta: 228.1 MB). Free memory was 127.8 MB in the beginning and 255.8 MB in the end (delta: -128.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 7.1 GB. [2019-11-23 21:11:52,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 817.35 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 157.5 MB in the end (delta: -55.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 118.39 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 148.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.17 ms. Allocated memory is still 203.9 MB. Free memory was 148.0 MB in the beginning and 141.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1811.24 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 141.0 MB in the beginning and 127.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 63.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9365.73 ms. Allocated memory was 237.5 MB in the beginning and 465.6 MB in the end (delta: 228.1 MB). Free memory was 127.8 MB in the beginning and 255.8 MB in the end (delta: -128.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 880]: Loop Invariant Derived loop invariant: (7 <= a15 || 11 < a12) || !(a21 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (7 <= a15 || 11 < a12) || !(a21 == 8) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 454 SDtfs, 1383 SDslu, 36 SDs, 0 SdLazy, 3442 SolverSat, 1034 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 654 GetRequests, 636 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3030occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 534 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 516 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1598 NumberOfCodeBlocks, 1598 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1591 ConstructedInterpolants, 0 QuantifiedInterpolants, 1220975 SizeOfPredicates, 2 NumberOfNonLiveVariables, 847 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1448/1456 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...