/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:59:08,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:59:08,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:59:08,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 18:59:08,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:59:08,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:59:08,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:59:08,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:59:08,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:59:08,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:59:08,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:59:08,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:59:08,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:59:08,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:59:08,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:59:08,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:59:08,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:59:08,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:59:08,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:59:08,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:59:08,462 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 [2019-11-06 18:59:08,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:59:08,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:59:08,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:59:08,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:59:08,478 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:59:08,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:59:08,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:59:08,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:59:08,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:59:08,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:59:08,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:59:08,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:59:08,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:59:08,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:59:08,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:59:08,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:59:08,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:59:08,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:59:08,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:59:08,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:59:08,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:59:08,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:59:08,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:59:08,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:59:08,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:59:08,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:59:08,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:59:08,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:59:08,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:59:08,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:59:08,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:59:08,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:59:08,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:59:08,775 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:59:08,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2019-11-06 18:59:08,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054807a81/f19040fcfc5540f3ab54af2cd04eb513/FLAGeb57f3a2d [2019-11-06 18:59:09,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:59:09,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2019-11-06 18:59:09,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054807a81/f19040fcfc5540f3ab54af2cd04eb513/FLAGeb57f3a2d [2019-11-06 18:59:09,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054807a81/f19040fcfc5540f3ab54af2cd04eb513 [2019-11-06 18:59:09,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:59:09,707 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:59:09,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:59:09,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:59:09,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:59:09,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:59:09" (1/1) ... [2019-11-06 18:59:09,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6643e059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:09, skipping insertion in model container [2019-11-06 18:59:09,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:59:09" (1/1) ... [2019-11-06 18:59:09,724 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:59:09,772 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:59:10,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:59:10,270 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:59:10,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:59:10,425 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:59:10,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10 WrapperNode [2019-11-06 18:59:10,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:59:10,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:59:10,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:59:10,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:59:10,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (1/1) ... [2019-11-06 18:59:10,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (1/1) ... [2019-11-06 18:59:10,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (1/1) ... [2019-11-06 18:59:10,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (1/1) ... [2019-11-06 18:59:10,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (1/1) ... [2019-11-06 18:59:10,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (1/1) ... [2019-11-06 18:59:10,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (1/1) ... [2019-11-06 18:59:10,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:59:10,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:59:10,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:59:10,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:59:10,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (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 [2019-11-06 18:59:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:59:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:59:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:59:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:59:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:59:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:59:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:59:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:59:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:59:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:59:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:59:11,781 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:59:11,781 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:59:11,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:59:11 BoogieIcfgContainer [2019-11-06 18:59:11,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:59:11,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:59:11,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:59:11,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:59:11,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:59:09" (1/3) ... [2019-11-06 18:59:11,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3ec494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:59:11, skipping insertion in model container [2019-11-06 18:59:11,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:10" (2/3) ... [2019-11-06 18:59:11,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3ec494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:59:11, skipping insertion in model container [2019-11-06 18:59:11,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:59:11" (3/3) ... [2019-11-06 18:59:11,791 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label35.c [2019-11-06 18:59:11,801 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:59:11,809 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:59:11,821 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:59:11,849 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:59:11,849 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:59:11,849 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:59:11,849 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:59:11,849 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:59:11,850 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:59:11,850 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:59:11,850 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:59:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-11-06 18:59:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-06 18:59:11,886 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:11,887 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:11,888 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:11,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:11,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1838417414, now seen corresponding path program 1 times [2019-11-06 18:59:11,901 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:11,902 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663890939] [2019-11-06 18:59:11,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:12,415 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663890939] [2019-11-06 18:59:12,415 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:59:12,416 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:59:12,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86530129] [2019-11-06 18:59:12,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:59:12,423 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:12,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:59:12,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:59:12,442 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-11-06 18:59:14,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:14,527 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2019-11-06 18:59:14,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 18:59:14,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2019-11-06 18:59:14,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:14,568 INFO L225 Difference]: With dead ends: 828 [2019-11-06 18:59:14,568 INFO L226 Difference]: Without dead ends: 494 [2019-11-06 18:59:14,583 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:14,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-11-06 18:59:14,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2019-11-06 18:59:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-11-06 18:59:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2019-11-06 18:59:14,717 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 100 [2019-11-06 18:59:14,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:14,718 INFO L462 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2019-11-06 18:59:14,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:59:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2019-11-06 18:59:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-06 18:59:14,726 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:14,727 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 18:59:14,727 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:14,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:14,728 INFO L82 PathProgramCache]: Analyzing trace with hash 937720225, now seen corresponding path program 1 times [2019-11-06 18:59:14,728 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:14,728 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608014264] [2019-11-06 18:59:14,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:14,962 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608014264] [2019-11-06 18:59:14,962 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488499352] [2019-11-06 18:59:14,963 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 [2019-11-06 18:59:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:15,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:15,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:15,149 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:15,149 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-11-06 18:59:15,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202637553] [2019-11-06 18:59:15,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:15,153 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:15,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:15,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:59:15,154 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 3 states. [2019-11-06 18:59:15,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:15,798 INFO L93 Difference]: Finished difference Result 1380 states and 2025 transitions. [2019-11-06 18:59:15,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:15,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2019-11-06 18:59:15,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:15,807 INFO L225 Difference]: With dead ends: 1380 [2019-11-06 18:59:15,807 INFO L226 Difference]: Without dead ends: 911 [2019-11-06 18:59:15,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:59:15,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2019-11-06 18:59:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 621. [2019-11-06 18:59:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2019-11-06 18:59:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 912 transitions. [2019-11-06 18:59:15,861 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 912 transitions. Word has length 108 [2019-11-06 18:59:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:15,862 INFO L462 AbstractCegarLoop]: Abstraction has 621 states and 912 transitions. [2019-11-06 18:59:15,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 912 transitions. [2019-11-06 18:59:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-06 18:59:15,867 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:15,868 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 18:59:16,072 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:16,074 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:16,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:16,075 INFO L82 PathProgramCache]: Analyzing trace with hash -279634389, now seen corresponding path program 1 times [2019-11-06 18:59:16,076 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:16,076 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737463382] [2019-11-06 18:59:16,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:16,295 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737463382] [2019-11-06 18:59:16,295 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:59:16,295 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:59:16,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641578064] [2019-11-06 18:59:16,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:59:16,302 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:16,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:59:16,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:16,304 INFO L87 Difference]: Start difference. First operand 621 states and 912 transitions. Second operand 9 states. [2019-11-06 18:59:17,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:17,221 INFO L93 Difference]: Finished difference Result 1245 states and 1881 transitions. [2019-11-06 18:59:17,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 18:59:17,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2019-11-06 18:59:17,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:17,231 INFO L225 Difference]: With dead ends: 1245 [2019-11-06 18:59:17,231 INFO L226 Difference]: Without dead ends: 630 [2019-11-06 18:59:17,233 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:59:17,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-11-06 18:59:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 609. [2019-11-06 18:59:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2019-11-06 18:59:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 837 transitions. [2019-11-06 18:59:17,257 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 837 transitions. Word has length 115 [2019-11-06 18:59:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:17,257 INFO L462 AbstractCegarLoop]: Abstraction has 609 states and 837 transitions. [2019-11-06 18:59:17,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:59:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 837 transitions. [2019-11-06 18:59:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-06 18:59:17,260 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:17,261 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:17,261 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:17,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:17,262 INFO L82 PathProgramCache]: Analyzing trace with hash -729201770, now seen corresponding path program 1 times [2019-11-06 18:59:17,262 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:17,262 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220513339] [2019-11-06 18:59:17,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:17,535 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220513339] [2019-11-06 18:59:17,535 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096491382] [2019-11-06 18:59:17,535 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 [2019-11-06 18:59:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:17,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:17,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:17,645 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:17,645 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:59:17,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352884849] [2019-11-06 18:59:17,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:17,646 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:17,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:17,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:17,647 INFO L87 Difference]: Start difference. First operand 609 states and 837 transitions. Second operand 3 states. [2019-11-06 18:59:18,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:18,230 INFO L93 Difference]: Finished difference Result 1795 states and 2516 transitions. [2019-11-06 18:59:18,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:18,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-06 18:59:18,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:18,237 INFO L225 Difference]: With dead ends: 1795 [2019-11-06 18:59:18,238 INFO L226 Difference]: Without dead ends: 1192 [2019-11-06 18:59:18,240 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:18,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2019-11-06 18:59:18,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1046. [2019-11-06 18:59:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2019-11-06 18:59:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1327 transitions. [2019-11-06 18:59:18,275 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1327 transitions. Word has length 126 [2019-11-06 18:59:18,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:18,275 INFO L462 AbstractCegarLoop]: Abstraction has 1046 states and 1327 transitions. [2019-11-06 18:59:18,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1327 transitions. [2019-11-06 18:59:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-06 18:59:18,279 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:18,279 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:18,488 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:18,488 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:18,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:18,489 INFO L82 PathProgramCache]: Analyzing trace with hash -211507521, now seen corresponding path program 1 times [2019-11-06 18:59:18,489 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:18,489 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125717449] [2019-11-06 18:59:18,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:59:18,690 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125717449] [2019-11-06 18:59:18,690 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660965474] [2019-11-06 18:59:18,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:18,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:18,855 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:18,855 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 18:59:18,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547812092] [2019-11-06 18:59:18,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:59:18,856 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:18,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:59:18,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:59:18,857 INFO L87 Difference]: Start difference. First operand 1046 states and 1327 transitions. Second operand 11 states. [2019-11-06 18:59:23,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:23,142 INFO L93 Difference]: Finished difference Result 4370 states and 6209 transitions. [2019-11-06 18:59:23,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-11-06 18:59:23,142 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2019-11-06 18:59:23,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:23,166 INFO L225 Difference]: With dead ends: 4370 [2019-11-06 18:59:23,166 INFO L226 Difference]: Without dead ends: 3330 [2019-11-06 18:59:23,172 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2019-11-06 18:59:23,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2019-11-06 18:59:23,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3117. [2019-11-06 18:59:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3117 states. [2019-11-06 18:59:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 3851 transitions. [2019-11-06 18:59:23,289 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 3851 transitions. Word has length 139 [2019-11-06 18:59:23,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:23,289 INFO L462 AbstractCegarLoop]: Abstraction has 3117 states and 3851 transitions. [2019-11-06 18:59:23,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:59:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 3851 transitions. [2019-11-06 18:59:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-06 18:59:23,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:23,299 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-06 18:59:23,503 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:23,504 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:23,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:23,504 INFO L82 PathProgramCache]: Analyzing trace with hash 978305420, now seen corresponding path program 1 times [2019-11-06 18:59:23,505 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:23,505 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263658632] [2019-11-06 18:59:23,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-06 18:59:23,700 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263658632] [2019-11-06 18:59:23,700 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840186066] [2019-11-06 18:59:23,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:23,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-06 18:59:23,965 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:23,965 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-11-06 18:59:23,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761290632] [2019-11-06 18:59:23,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:59:23,967 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:23,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:59:23,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:59:23,968 INFO L87 Difference]: Start difference. First operand 3117 states and 3851 transitions. Second operand 11 states. [2019-11-06 18:59:24,137 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-11-06 18:59:25,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:25,442 INFO L93 Difference]: Finished difference Result 5529 states and 6832 transitions. [2019-11-06 18:59:25,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 18:59:25,445 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 188 [2019-11-06 18:59:25,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:25,464 INFO L225 Difference]: With dead ends: 5529 [2019-11-06 18:59:25,464 INFO L226 Difference]: Without dead ends: 2962 [2019-11-06 18:59:25,471 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2019-11-06 18:59:25,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2019-11-06 18:59:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2960. [2019-11-06 18:59:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2019-11-06 18:59:25,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3405 transitions. [2019-11-06 18:59:25,551 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3405 transitions. Word has length 188 [2019-11-06 18:59:25,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:25,552 INFO L462 AbstractCegarLoop]: Abstraction has 2960 states and 3405 transitions. [2019-11-06 18:59:25,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:59:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3405 transitions. [2019-11-06 18:59:25,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-06 18:59:25,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:25,561 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-06 18:59:25,768 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:25,769 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:25,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:25,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1091008492, now seen corresponding path program 1 times [2019-11-06 18:59:25,770 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:25,771 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392005247] [2019-11-06 18:59:25,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-06 18:59:26,044 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392005247] [2019-11-06 18:59:26,045 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703560244] [2019-11-06 18:59:26,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:26,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:26,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-06 18:59:26,237 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:26,237 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 18:59:26,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054810570] [2019-11-06 18:59:26,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:59:26,239 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:26,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:59:26,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:59:26,240 INFO L87 Difference]: Start difference. First operand 2960 states and 3405 transitions. Second operand 11 states. [2019-11-06 18:59:30,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:30,348 INFO L93 Difference]: Finished difference Result 5940 states and 6865 transitions. [2019-11-06 18:59:30,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-11-06 18:59:30,349 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2019-11-06 18:59:30,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:30,361 INFO L225 Difference]: With dead ends: 5940 [2019-11-06 18:59:30,361 INFO L226 Difference]: Without dead ends: 2976 [2019-11-06 18:59:30,369 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=225, Invalid=831, Unknown=0, NotChecked=0, Total=1056 [2019-11-06 18:59:30,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2019-11-06 18:59:30,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2969. [2019-11-06 18:59:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2969 states. [2019-11-06 18:59:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 3262 transitions. [2019-11-06 18:59:30,492 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 3262 transitions. Word has length 192 [2019-11-06 18:59:30,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:30,493 INFO L462 AbstractCegarLoop]: Abstraction has 2969 states and 3262 transitions. [2019-11-06 18:59:30,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:59:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3262 transitions. [2019-11-06 18:59:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-06 18:59:30,503 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:30,503 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:30,708 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:30,709 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:30,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:30,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1647402578, now seen corresponding path program 1 times [2019-11-06 18:59:30,710 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:30,710 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355157716] [2019-11-06 18:59:30,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-06 18:59:31,011 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355157716] [2019-11-06 18:59:31,012 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950069165] [2019-11-06 18:59:31,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:31,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:31,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-11-06 18:59:31,186 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:31,186 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-11-06 18:59:31,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402368110] [2019-11-06 18:59:31,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:31,187 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:31,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:31,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:31,188 INFO L87 Difference]: Start difference. First operand 2969 states and 3262 transitions. Second operand 3 states. [2019-11-06 18:59:31,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:31,585 INFO L93 Difference]: Finished difference Result 4632 states and 5065 transitions. [2019-11-06 18:59:31,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:31,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2019-11-06 18:59:31,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:31,587 INFO L225 Difference]: With dead ends: 4632 [2019-11-06 18:59:31,587 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:59:31,595 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:31,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:59:31,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:59:31,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:59:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:59:31,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2019-11-06 18:59:31,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:31,596 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:59:31,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:59:31,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:59:31,806 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:31,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:59:32,818 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 43 [2019-11-06 18:59:33,156 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2019-11-06 18:59:33,421 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2019-11-06 18:59:33,423 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:59:33,424 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:59:33,424 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:59:33,424 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,424 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,424 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,424 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,425 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,425 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-06 18:59:33,425 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-06 18:59:33,425 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-06 18:59:33,427 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-06 18:59:33,427 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-06 18:59:33,427 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-06 18:59:33,427 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-06 18:59:33,427 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-06 18:59:33,427 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-06 18:59:33,427 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-06 18:59:33,428 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:59:33,429 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-06 18:59:33,430 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-06 18:59:33,431 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-06 18:59:33,431 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:59:33,431 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:59:33,431 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-06 18:59:33,431 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,431 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,431 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,431 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-06 18:59:33,432 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-06 18:59:33,433 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-06 18:59:33,434 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-06 18:59:33,435 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-06 18:59:33,436 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-06 18:59:33,437 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-06 18:59:33,437 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-06 18:59:33,437 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-06 18:59:33,437 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-06 18:59:33,437 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-06 18:59:33,437 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-06 18:59:33,440 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-06 18:59:33,440 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-06 18:59:33,441 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-06 18:59:33,442 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-06 18:59:33,443 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-06 18:59:33,444 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,445 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-06 18:59:33,446 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,447 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,448 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 1 |old(~a25~0)|))) (let ((.cse4 (not (= 1 |old(~a19~0)|))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse6 (not (<= 8 |old(~a17~0)|))) (.cse1 (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse5 (not .cse3)) (.cse2 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~a25~0)| 0))) (or .cse0 .cse3 .cse4 (not (<= 10 |old(~a28~0)|)) .cse1 .cse2) (or (not (<= |old(~a28~0)| 9)) .cse5 .cse2 .cse1) (or .cse6 .cse5 .cse4 .cse1 .cse2) (or .cse0 .cse6 .cse1 .cse5 .cse2)))) [2019-11-06 18:59:33,448 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,448 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,448 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,448 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-06 18:59:33,448 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-06 18:59:33,448 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-06 18:59:33,448 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-06 18:59:33,448 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-06 18:59:33,449 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-06 18:59:33,450 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-06 18:59:33,451 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-06 18:59:33,452 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-06 18:59:33,453 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:59:33,454 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (<= 8 ~a17~0) (= ~a19~0 1) (<= ~a25~0 0) (<= ~a17~0 8)) [2019-11-06 18:59:33,455 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:59:33,455 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:59:33,455 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= 8 |old(~a17~0)|)) (not (= 1 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a17~0)| 8))) [2019-11-06 18:59:33,455 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 1)) (.cse0 (= ~a25~0 1)) (.cse4 (<= ~a28~0 10)) (.cse3 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (<= |old(~a25~0)| 0)) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse4 .cse3 .cse0) (and (<= 10 ~a28~0) (not .cse0) .cse4 .cse2 .cse3) (and (<= ~a28~0 9) .cse0 .cse3) (not (<= |old(~a17~0)| 8)) (and .cse4 (<= ~a25~0 0) .cse3))) [2019-11-06 18:59:33,455 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:59:33,455 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:59:33,456 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 1)) (.cse0 (= ~a25~0 1)) (.cse4 (<= ~a28~0 10)) (.cse3 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (<= |old(~a25~0)| 0)) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse4 .cse3 .cse0) (and (<= 10 ~a28~0) (not .cse0) .cse4 .cse2 .cse3) (and (<= ~a28~0 9) .cse0 .cse3) (not (<= |old(~a17~0)| 8)) (and .cse4 (<= ~a25~0 0) .cse3))) [2019-11-06 18:59:33,456 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-11-06 18:59:33,456 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-06 18:59:33,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:59:33 BoogieIcfgContainer [2019-11-06 18:59:33,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:59:33,510 INFO L168 Benchmark]: Toolchain (without parser) took 23800.33 ms. Allocated memory was 138.4 MB in the beginning and 543.7 MB in the end (delta: 405.3 MB). Free memory was 100.5 MB in the beginning and 238.9 MB in the end (delta: -138.4 MB). Peak memory consumption was 428.8 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:33,511 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 18:59:33,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.85 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.2 MB in the beginning and 171.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:33,514 INFO L168 Benchmark]: Boogie Preprocessor took 111.13 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:33,514 INFO L168 Benchmark]: RCFGBuilder took 1244.79 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 166.3 MB in the beginning and 182.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:33,517 INFO L168 Benchmark]: TraceAbstraction took 21721.13 ms. Allocated memory was 237.5 MB in the beginning and 543.7 MB in the end (delta: 306.2 MB). Free memory was 182.3 MB in the beginning and 238.9 MB in the end (delta: -56.6 MB). Peak memory consumption was 411.5 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:33,522 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.85 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.2 MB in the beginning and 171.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.13 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1244.79 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 166.3 MB in the beginning and 182.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21721.13 ms. Allocated memory was 237.5 MB in the beginning and 543.7 MB in the end (delta: 306.2 MB). Free memory was 182.3 MB in the beginning and 238.9 MB in the end (delta: -56.6 MB). Peak memory consumption was 411.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((!(\old(a28) <= 7) || !(8 <= \old(a17))) || (a25 == 1 && (8 <= a17 && a19 == 1) && a17 <= 8)) || !(\old(a25) <= 0)) || !(1 == \old(a19))) || (((8 <= a17 && a28 <= 10) && a17 <= 8) && a25 == 1)) || ((((10 <= a28 && !(a25 == 1)) && a28 <= 10) && a19 == 1) && a17 <= 8)) || ((a28 <= 9 && a25 == 1) && a17 <= 8)) || !(\old(a17) <= 8)) || ((a28 <= 10 && a25 <= 0) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 21.6s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, HoareTripleCheckerStatistics: 394 SDtfs, 4782 SDslu, 499 SDs, 0 SdLazy, 9140 SolverSat, 1659 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1076 SyntacticMatches, 3 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3117occurred 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: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 698 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 141 NumberOfFragments, 437 HoareAnnotationTreeSize, 93 FomulaSimplifications, 20225 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2151 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2229 NumberOfCodeBlocks, 2229 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2215 ConstructedInterpolants, 0 QuantifiedInterpolants, 1040373 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2650 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1234/1332 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...