/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:03:08,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:03:08,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:03:08,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:03:08,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 21:03:08,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:03:08,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:03:08,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:03:08,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:03:08,339 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:03:08,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:03:08,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:03:08,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:03:08,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:03:08,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:03:08,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:03:08,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:03:08,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:03:08,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:03:08,342 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:03:08,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:03:08,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:03:08,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:03:08,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:03:08,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:03:08,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:03:08,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:03:08,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:03:08,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:03:08,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:03:08,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:03:08,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:03:08,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:03:08,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:03:08,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:03:08,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:03:08,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:03:08,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:03:08,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:03:08,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:03:08,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25.c [2019-11-23 21:03:08,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6cbaeed/f238a16f1e5b478d83ef012f086a8716/FLAG4f40bec03 [2019-11-23 21:03:09,326 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:03:09,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label25.c [2019-11-23 21:03:09,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6cbaeed/f238a16f1e5b478d83ef012f086a8716/FLAG4f40bec03 [2019-11-23 21:03:09,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6cbaeed/f238a16f1e5b478d83ef012f086a8716 [2019-11-23 21:03:09,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:03:09,540 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:03:09,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:03:09,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:03:09,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:03:09,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:03:09" (1/1) ... [2019-11-23 21:03:09,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd8ab7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:09, skipping insertion in model container [2019-11-23 21:03:09,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:03:09" (1/1) ... [2019-11-23 21:03:09,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:03:09,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:03:10,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:03:10,188 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:03:10,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:03:10,308 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:03:10,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10 WrapperNode [2019-11-23 21:03:10,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:03:10,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:03:10,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:03:10,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:03:10,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:03:10,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:03:10,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:03:10,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:03:10,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... [2019-11-23 21:03:10,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:03:10,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:03:10,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:03:10,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:03:10,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:03:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:03:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:03:11,968 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:03:11,968 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 21:03:11,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:03:11 BoogieIcfgContainer [2019-11-23 21:03:11,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:03:11,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:03:11,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:03:11,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:03:11,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:03:09" (1/3) ... [2019-11-23 21:03:11,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e029563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:03:11, skipping insertion in model container [2019-11-23 21:03:11,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:10" (2/3) ... [2019-11-23 21:03:11,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e029563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:03:11, skipping insertion in model container [2019-11-23 21:03:11,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:03:11" (3/3) ... [2019-11-23 21:03:11,979 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label25.c [2019-11-23 21:03:11,989 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:03:11,998 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:03:12,011 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:03:12,040 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:03:12,041 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:03:12,041 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:03:12,041 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:03:12,041 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:03:12,041 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:03:12,042 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:03:12,042 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:03:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-23 21:03:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-23 21:03:12,074 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:12,076 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] [2019-11-23 21:03:12,076 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:12,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:12,083 INFO L82 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2019-11-23 21:03:12,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:12,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208854619] [2019-11-23 21:03:12,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:12,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:12,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208854619] [2019-11-23 21:03:12,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:12,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 21:03:12,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63064309] [2019-11-23 21:03:12,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-23 21:03:12,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:12,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-23 21:03:12,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:03:12,689 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 7 states. [2019-11-23 21:03:15,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:15,493 INFO L93 Difference]: Finished difference Result 982 states and 1810 transitions. [2019-11-23 21:03:15,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-23 21:03:15,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-11-23 21:03:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:15,518 INFO L225 Difference]: With dead ends: 982 [2019-11-23 21:03:15,518 INFO L226 Difference]: Without dead ends: 699 [2019-11-23 21:03:15,523 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-23 21:03:15,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-11-23 21:03:15,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 421. [2019-11-23 21:03:15,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-23 21:03:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2019-11-23 21:03:15,596 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 64 [2019-11-23 21:03:15,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:15,597 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2019-11-23 21:03:15,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-23 21:03:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2019-11-23 21:03:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-23 21:03:15,605 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:15,605 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-23 21:03:15,606 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:15,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:15,606 INFO L82 PathProgramCache]: Analyzing trace with hash 993821404, now seen corresponding path program 1 times [2019-11-23 21:03:15,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:15,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596507716] [2019-11-23 21:03:15,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:15,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596507716] [2019-11-23 21:03:15,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:15,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:15,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285941889] [2019-11-23 21:03:15,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:15,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:15,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:15,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:15,926 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 4 states. [2019-11-23 21:03:16,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:16,928 INFO L93 Difference]: Finished difference Result 1257 states and 1737 transitions. [2019-11-23 21:03:16,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:16,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2019-11-23 21:03:16,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:16,937 INFO L225 Difference]: With dead ends: 1257 [2019-11-23 21:03:16,938 INFO L226 Difference]: Without dead ends: 838 [2019-11-23 21:03:16,941 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:16,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-23 21:03:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-23 21:03:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-23 21:03:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2019-11-23 21:03:16,974 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 182 [2019-11-23 21:03:16,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:16,975 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2019-11-23 21:03:16,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:16,976 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2019-11-23 21:03:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-23 21:03:16,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:16,981 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:16,981 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:16,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:16,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1850496052, now seen corresponding path program 1 times [2019-11-23 21:03:16,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:16,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338680464] [2019-11-23 21:03:16,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:17,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338680464] [2019-11-23 21:03:17,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:17,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:03:17,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685075821] [2019-11-23 21:03:17,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:17,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:17,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:17,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:17,264 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 4 states. [2019-11-23 21:03:18,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:18,206 INFO L93 Difference]: Finished difference Result 1674 states and 2200 transitions. [2019-11-23 21:03:18,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:18,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 208 [2019-11-23 21:03:18,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:18,214 INFO L225 Difference]: With dead ends: 1674 [2019-11-23 21:03:18,214 INFO L226 Difference]: Without dead ends: 1116 [2019-11-23 21:03:18,216 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:18,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-23 21:03:18,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2019-11-23 21:03:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-23 21:03:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2019-11-23 21:03:18,258 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 208 [2019-11-23 21:03:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:18,261 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2019-11-23 21:03:18,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2019-11-23 21:03:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-11-23 21:03:18,282 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:18,286 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:18,286 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:18,287 INFO L82 PathProgramCache]: Analyzing trace with hash -537096852, now seen corresponding path program 1 times [2019-11-23 21:03:18,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:18,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541923697] [2019-11-23 21:03:18,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-23 21:03:18,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541923697] [2019-11-23 21:03:18,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:18,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:18,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181191803] [2019-11-23 21:03:18,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:03:18,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:18,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:03:18,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:03:18,575 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 3 states. [2019-11-23 21:03:19,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:19,177 INFO L93 Difference]: Finished difference Result 2230 states and 2765 transitions. [2019-11-23 21:03:19,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:03:19,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2019-11-23 21:03:19,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:19,183 INFO L225 Difference]: With dead ends: 2230 [2019-11-23 21:03:19,183 INFO L226 Difference]: Without dead ends: 977 [2019-11-23 21:03:19,185 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 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 21:03:19,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-23 21:03:19,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-23 21:03:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-23 21:03:19,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1170 transitions. [2019-11-23 21:03:19,206 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1170 transitions. Word has length 300 [2019-11-23 21:03:19,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:19,207 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1170 transitions. [2019-11-23 21:03:19,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:03:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1170 transitions. [2019-11-23 21:03:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-11-23 21:03:19,213 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:19,213 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, 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, 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] [2019-11-23 21:03:19,214 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:19,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:19,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1075041914, now seen corresponding path program 1 times [2019-11-23 21:03:19,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:19,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846496787] [2019-11-23 21:03:19,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 66 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:19,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846496787] [2019-11-23 21:03:19,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214810429] [2019-11-23 21:03:19,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:03:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:19,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-23 21:03:19,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:03:19,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:19,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:20,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 296 proven. 64 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-23 21:03:20,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:03:20,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2019-11-23 21:03:20,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459281283] [2019-11-23 21:03:20,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-23 21:03:20,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:20,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-23 21:03:20,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-23 21:03:20,862 INFO L87 Difference]: Start difference. First operand 977 states and 1170 transitions. Second operand 14 states. [2019-11-23 21:03:28,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:28,855 INFO L93 Difference]: Finished difference Result 5087 states and 6367 transitions. [2019-11-23 21:03:28,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-11-23 21:03:28,859 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 336 [2019-11-23 21:03:28,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:28,880 INFO L225 Difference]: With dead ends: 5087 [2019-11-23 21:03:28,880 INFO L226 Difference]: Without dead ends: 4251 [2019-11-23 21:03:28,882 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=268, Invalid=1214, Unknown=0, NotChecked=0, Total=1482 [2019-11-23 21:03:28,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2019-11-23 21:03:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 3757. [2019-11-23 21:03:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3757 states. [2019-11-23 21:03:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 4274 transitions. [2019-11-23 21:03:28,962 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 4274 transitions. Word has length 336 [2019-11-23 21:03:28,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:28,963 INFO L462 AbstractCegarLoop]: Abstraction has 3757 states and 4274 transitions. [2019-11-23 21:03:28,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-23 21:03:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 4274 transitions. [2019-11-23 21:03:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-11-23 21:03:28,974 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:28,974 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, 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, 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] [2019-11-23 21:03:29,183 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:03:29,183 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:29,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:29,184 INFO L82 PathProgramCache]: Analyzing trace with hash 354597640, now seen corresponding path program 1 times [2019-11-23 21:03:29,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:29,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263262880] [2019-11-23 21:03:29,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-11-23 21:03:29,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263262880] [2019-11-23 21:03:29,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:29,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:03:29,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171104009] [2019-11-23 21:03:29,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:29,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:29,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:29,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:29,573 INFO L87 Difference]: Start difference. First operand 3757 states and 4274 transitions. Second operand 4 states. [2019-11-23 21:03:30,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:30,629 INFO L93 Difference]: Finished difference Result 8344 states and 9474 transitions. [2019-11-23 21:03:30,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:30,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 392 [2019-11-23 21:03:30,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:30,631 INFO L225 Difference]: With dead ends: 8344 [2019-11-23 21:03:30,631 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:03:30,639 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:30,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:03:30,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:03:30,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:03:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:03:30,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2019-11-23 21:03:30,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:30,641 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:03:30,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:03:30,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:03:30,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:03:31,160 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-11-23 21:03:31,464 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-11-23 21:03:31,469 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-23 21:03:31,469 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,469 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,469 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,470 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,470 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,470 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,470 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-23 21:03:31,470 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-23 21:03:31,470 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-23 21:03:31,470 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-23 21:03:31,470 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-23 21:03:31,471 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-23 21:03:31,471 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-23 21:03:31,471 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-23 21:03:31,471 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-23 21:03:31,471 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-23 21:03:31,471 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-23 21:03:31,471 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,471 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-23 21:03:31,472 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-23 21:03:31,473 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-23 21:03:31,473 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-23 21:03:31,473 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-23 21:03:31,473 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-23 21:03:31,473 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-23 21:03:31,473 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-23 21:03:31,473 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-23 21:03:31,473 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-23 21:03:31,474 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-23 21:03:31,475 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-23 21:03:31,475 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-23 21:03:31,475 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7))) (.cse1 (= ~a10~0 1))) (or (and .cse0 (not (= ~a19~0 10))) (and .cse0 (not (= ~a10~0 4))) (and (<= 221 ~a1~0) .cse1) (and (<= ~a1~0 38) .cse1 (< 0 (+ ~a1~0 13))) (and (<= ~a1~0 218) (= ~a10~0 2)))) [2019-11-23 21:03:31,475 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-23 21:03:31,475 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-23 21:03:31,476 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-23 21:03:31,477 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-23 21:03:31,478 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,479 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-23 21:03:31,480 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-23 21:03:31,481 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-23 21:03:31,481 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-23 21:03:31,481 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-23 21:03:31,481 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-23 21:03:31,481 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:03:31,481 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-23 21:03:31,481 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7))) (.cse1 (= ~a10~0 1))) (or (and .cse0 (not (= ~a19~0 10))) (and .cse0 (not (= ~a10~0 4))) (and (<= 221 ~a1~0) .cse1) (and (<= ~a1~0 38) .cse1 (< 0 (+ ~a1~0 13))) (and (<= ~a1~0 218) (= ~a10~0 2)))) [2019-11-23 21:03:31,481 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-23 21:03:31,482 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-23 21:03:31,483 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-23 21:03:31,484 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-23 21:03:31,485 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,486 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-23 21:03:31,487 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,488 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-23 21:03:31,489 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,490 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-23 21:03:31,491 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-23 21:03:31,492 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-23 21:03:31,492 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-23 21:03:31,492 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-23 21:03:31,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:03:31 BoogieIcfgContainer [2019-11-23 21:03:31,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:03:31,520 INFO L168 Benchmark]: Toolchain (without parser) took 21978.05 ms. Allocated memory was 137.9 MB in the beginning and 502.8 MB in the end (delta: 364.9 MB). Free memory was 101.1 MB in the beginning and 105.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 360.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:31,521 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-23 21:03:31,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.95 ms. Allocated memory was 137.9 MB in the beginning and 207.6 MB in the end (delta: 69.7 MB). Free memory was 100.7 MB in the beginning and 174.0 MB in the end (delta: -73.3 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:31,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.40 ms. Allocated memory is still 207.6 MB. Free memory was 174.0 MB in the beginning and 165.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:31,529 INFO L168 Benchmark]: Boogie Preprocessor took 82.74 ms. Allocated memory is still 207.6 MB. Free memory was 165.6 MB in the beginning and 160.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:31,530 INFO L168 Benchmark]: RCFGBuilder took 1478.85 ms. Allocated memory was 207.6 MB in the beginning and 238.6 MB in the end (delta: 30.9 MB). Free memory was 160.3 MB in the beginning and 170.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:31,531 INFO L168 Benchmark]: TraceAbstraction took 19544.79 ms. Allocated memory was 238.6 MB in the beginning and 502.8 MB in the end (delta: 264.2 MB). Free memory was 170.8 MB in the beginning and 105.7 MB in the end (delta: 65.2 MB). Peak memory consumption was 329.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:31,543 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.95 ms. Allocated memory was 137.9 MB in the beginning and 207.6 MB in the end (delta: 69.7 MB). Free memory was 100.7 MB in the beginning and 174.0 MB in the end (delta: -73.3 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 98.40 ms. Allocated memory is still 207.6 MB. Free memory was 174.0 MB in the beginning and 165.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.74 ms. Allocated memory is still 207.6 MB. Free memory was 165.6 MB in the beginning and 160.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1478.85 ms. Allocated memory was 207.6 MB in the beginning and 238.6 MB in the end (delta: 30.9 MB). Free memory was 160.3 MB in the beginning and 170.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19544.79 ms. Allocated memory was 238.6 MB in the beginning and 502.8 MB in the end (delta: 264.2 MB). Free memory was 170.8 MB in the beginning and 105.7 MB in the end (delta: 65.2 MB). Peak memory consumption was 329.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((!(a19 == 7) && !(a19 == 10)) || (!(a19 == 7) && !(a10 == 4))) || (221 <= a1 && a10 == 1)) || ((a1 <= 38 && a10 == 1) && 0 < a1 + 13)) || (a1 <= 218 && a10 == 2) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a19 == 7) && !(a19 == 10)) || (!(a19 == 7) && !(a10 == 4))) || (221 <= a1 && a10 == 1)) || ((a1 <= 38 && a10 == 1) && 0 < a1 + 13)) || (a1 <= 218 && a10 == 2) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 19.4s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 547 SDtfs, 4459 SDslu, 226 SDs, 0 SdLazy, 10853 SolverSat, 1789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 340 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3757occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1050 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 91 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2819 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2724 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1818 NumberOfCodeBlocks, 1818 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1811 ConstructedInterpolants, 81 QuantifiedInterpolants, 2744451 SizeOfPredicates, 6 NumberOfNonLiveVariables, 452 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1539/1959 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...