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/Problem10_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:58:11,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:58:11,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:58:11,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:58:11,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:58:11,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:58:11,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:58:11,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:58:11,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:58:11,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:58:11,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:58:11,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:58:11,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:58:11,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:58:11,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:58:11,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:58:11,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:58:11,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:58:11,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:58:11,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:58:11,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:58:11,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:58:11,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:58:11,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:58:11,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:58:11,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:58:11,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:58:11,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:58:11,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:58:11,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:58:11,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:58:11,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:58:11,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:58:11,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:58:11,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:58:11,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:58:11,511 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 [2019-10-13 17:58:11,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:58:11,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:58:11,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:58:11,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:58:11,530 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:58:11,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:58:11,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:58:11,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:58:11,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:58:11,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:58:11,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:58:11,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:58:11,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:58:11,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:58:11,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:58:11,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:58:11,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:58:11,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:58:11,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:58:11,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:58:11,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:58:11,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:58:11,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:58:11,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:58:11,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:58:11,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:58:11,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:58:11,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:58:11,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:58:11,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:58:11,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:58:11,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:58:11,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:58:11,838 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:58:11,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2019-10-13 17:58:11,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae07c2989/4cd36ab7cd364aa4bf8c62d2d84431fb/FLAGe3e72b607 [2019-10-13 17:58:12,396 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:58:12,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2019-10-13 17:58:12,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae07c2989/4cd36ab7cd364aa4bf8c62d2d84431fb/FLAGe3e72b607 [2019-10-13 17:58:12,717 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae07c2989/4cd36ab7cd364aa4bf8c62d2d84431fb [2019-10-13 17:58:12,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:58:12,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:58:12,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:58:12,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:58:12,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:58:12,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:58:12" (1/1) ... [2019-10-13 17:58:12,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a11b6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:12, skipping insertion in model container [2019-10-13 17:58:12,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:58:12" (1/1) ... [2019-10-13 17:58:12,747 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:58:12,809 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:58:13,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:58:13,344 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:58:13,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:58:13,501 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:58:13,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13 WrapperNode [2019-10-13 17:58:13,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:58:13,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:58:13,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:58:13,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:58:13,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (1/1) ... [2019-10-13 17:58:13,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (1/1) ... [2019-10-13 17:58:13,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (1/1) ... [2019-10-13 17:58:13,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (1/1) ... [2019-10-13 17:58:13,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (1/1) ... [2019-10-13 17:58:13,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (1/1) ... [2019-10-13 17:58:13,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (1/1) ... [2019-10-13 17:58:13,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:58:13,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:58:13,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:58:13,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:58:13,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (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 [2019-10-13 17:58:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:58:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:58:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:58:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:58:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:58:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:58:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:58:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:58:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:58:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:58:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:58:15,059 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:58:15,060 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:58:15,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:58:15 BoogieIcfgContainer [2019-10-13 17:58:15,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:58:15,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:58:15,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:58:15,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:58:15,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:58:12" (1/3) ... [2019-10-13 17:58:15,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eebf2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:58:15, skipping insertion in model container [2019-10-13 17:58:15,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:13" (2/3) ... [2019-10-13 17:58:15,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eebf2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:58:15, skipping insertion in model container [2019-10-13 17:58:15,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:58:15" (3/3) ... [2019-10-13 17:58:15,070 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2019-10-13 17:58:15,081 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:58:15,089 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:58:15,106 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:58:15,144 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:58:15,144 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:58:15,145 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:58:15,145 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:58:15,147 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:58:15,148 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:58:15,148 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:58:15,148 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:58:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-13 17:58:15,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 17:58:15,210 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:15,212 INFO L380 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] [2019-10-13 17:58:15,214 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:15,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:15,223 INFO L82 PathProgramCache]: Analyzing trace with hash 215216599, now seen corresponding path program 1 times [2019-10-13 17:58:15,236 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:15,237 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025937369] [2019-10-13 17:58:15,237 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:15,237 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:15,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:15,791 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025937369] [2019-10-13 17:58:15,792 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:58:15,793 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:58:15,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232823979] [2019-10-13 17:58:15,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:58:15,798 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:15,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:58:15,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:58:15,815 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-13 17:58:17,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:17,731 INFO L93 Difference]: Finished difference Result 745 states and 1317 transitions. [2019-10-13 17:58:17,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:58:17,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-13 17:58:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:17,750 INFO L225 Difference]: With dead ends: 745 [2019-10-13 17:58:17,750 INFO L226 Difference]: Without dead ends: 447 [2019-10-13 17:58:17,759 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:17,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-13 17:58:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 296. [2019-10-13 17:58:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-10-13 17:58:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2019-10-13 17:58:17,843 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 66 [2019-10-13 17:58:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:17,844 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2019-10-13 17:58:17,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:58:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2019-10-13 17:58:17,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 17:58:17,855 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:17,855 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:17,855 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:17,856 INFO L82 PathProgramCache]: Analyzing trace with hash -51785766, now seen corresponding path program 1 times [2019-10-13 17:58:17,856 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:17,856 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367438506] [2019-10-13 17:58:17,857 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:17,857 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:17,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 17:58:18,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367438506] [2019-10-13 17:58:18,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730661538] [2019-10-13 17:58:18,138 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 [2019-10-13 17:58:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:18,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:18,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:18,342 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:18,342 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-10-13 17:58:18,342 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228402271] [2019-10-13 17:58:18,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:58:18,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:18,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:58:18,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:58:18,348 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 3 states. [2019-10-13 17:58:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:19,079 INFO L93 Difference]: Finished difference Result 586 states and 898 transitions. [2019-10-13 17:58:19,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:58:19,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-10-13 17:58:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:19,085 INFO L225 Difference]: With dead ends: 586 [2019-10-13 17:58:19,086 INFO L226 Difference]: Without dead ends: 584 [2019-10-13 17:58:19,087 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:58:19,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-10-13 17:58:19,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 441. [2019-10-13 17:58:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-13 17:58:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2019-10-13 17:58:19,122 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 136 [2019-10-13 17:58:19,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:19,123 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2019-10-13 17:58:19,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:58:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2019-10-13 17:58:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-13 17:58:19,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:19,130 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:19,335 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:19,336 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:19,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:19,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1642827225, now seen corresponding path program 1 times [2019-10-13 17:58:19,337 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:19,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100833299] [2019-10-13 17:58:19,337 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:19,337 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:19,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:19,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100833299] [2019-10-13 17:58:19,725 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:58:19,725 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 17:58:19,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901697936] [2019-10-13 17:58:19,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 17:58:19,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:19,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 17:58:19,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:58:19,727 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2019-10-13 17:58:22,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:22,366 INFO L93 Difference]: Finished difference Result 1508 states and 2459 transitions. [2019-10-13 17:58:22,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 17:58:22,367 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2019-10-13 17:58:22,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:22,383 INFO L225 Difference]: With dead ends: 1508 [2019-10-13 17:58:22,383 INFO L226 Difference]: Without dead ends: 1073 [2019-10-13 17:58:22,386 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:58:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2019-10-13 17:58:22,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1039. [2019-10-13 17:58:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-10-13 17:58:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1562 transitions. [2019-10-13 17:58:22,451 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1562 transitions. Word has length 191 [2019-10-13 17:58:22,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:22,452 INFO L462 AbstractCegarLoop]: Abstraction has 1039 states and 1562 transitions. [2019-10-13 17:58:22,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 17:58:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1562 transitions. [2019-10-13 17:58:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-13 17:58:22,459 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:22,459 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:22,459 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:22,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:22,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1426970602, now seen corresponding path program 1 times [2019-10-13 17:58:22,460 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:22,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084763246] [2019-10-13 17:58:22,460 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:22,461 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:22,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:22,877 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084763246] [2019-10-13 17:58:22,877 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:58:22,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:58:22,877 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701274570] [2019-10-13 17:58:22,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:58:22,878 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:22,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:58:22,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:58:22,880 INFO L87 Difference]: Start difference. First operand 1039 states and 1562 transitions. Second operand 9 states. [2019-10-13 17:58:24,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:24,822 INFO L93 Difference]: Finished difference Result 3610 states and 5784 transitions. [2019-10-13 17:58:24,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 17:58:24,823 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 192 [2019-10-13 17:58:24,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:24,843 INFO L225 Difference]: With dead ends: 3610 [2019-10-13 17:58:24,843 INFO L226 Difference]: Without dead ends: 2577 [2019-10-13 17:58:24,848 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2019-10-13 17:58:24,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2019-10-13 17:58:24,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2257. [2019-10-13 17:58:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2257 states. [2019-10-13 17:58:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 3242 transitions. [2019-10-13 17:58:24,977 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 3242 transitions. Word has length 192 [2019-10-13 17:58:24,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:24,978 INFO L462 AbstractCegarLoop]: Abstraction has 2257 states and 3242 transitions. [2019-10-13 17:58:24,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:58:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 3242 transitions. [2019-10-13 17:58:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-13 17:58:24,988 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:24,988 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 17:58:24,989 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:24,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:24,989 INFO L82 PathProgramCache]: Analyzing trace with hash 699242395, now seen corresponding path program 1 times [2019-10-13 17:58:24,990 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:24,990 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68081676] [2019-10-13 17:58:24,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:24,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:24,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:58:25,442 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68081676] [2019-10-13 17:58:25,443 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868613613] [2019-10-13 17:58:25,443 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 [2019-10-13 17:58:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:25,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:25,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:25,703 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:25,703 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:58:25,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104881307] [2019-10-13 17:58:25,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:25,707 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:25,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:25,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:25,708 INFO L87 Difference]: Start difference. First operand 2257 states and 3242 transitions. Second operand 11 states. [2019-10-13 17:58:29,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:29,080 INFO L93 Difference]: Finished difference Result 6965 states and 11643 transitions. [2019-10-13 17:58:29,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 17:58:29,080 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 270 [2019-10-13 17:58:29,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:29,105 INFO L225 Difference]: With dead ends: 6965 [2019-10-13 17:58:29,105 INFO L226 Difference]: Without dead ends: 2987 [2019-10-13 17:58:29,124 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-10-13 17:58:29,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2019-10-13 17:58:29,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2647. [2019-10-13 17:58:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2019-10-13 17:58:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3907 transitions. [2019-10-13 17:58:29,268 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3907 transitions. Word has length 270 [2019-10-13 17:58:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:29,269 INFO L462 AbstractCegarLoop]: Abstraction has 2647 states and 3907 transitions. [2019-10-13 17:58:29,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3907 transitions. [2019-10-13 17:58:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-10-13 17:58:29,294 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:29,294 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:29,499 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:29,499 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:29,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:29,500 INFO L82 PathProgramCache]: Analyzing trace with hash 812762531, now seen corresponding path program 1 times [2019-10-13 17:58:29,500 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:29,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765977291] [2019-10-13 17:58:29,501 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:29,501 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:29,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 227 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 17:58:30,009 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765977291] [2019-10-13 17:58:30,010 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798022584] [2019-10-13 17:58:30,010 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 [2019-10-13 17:58:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:30,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:30,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:30,258 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:30,258 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:58:30,258 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848280116] [2019-10-13 17:58:30,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:30,260 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:30,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:30,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:30,260 INFO L87 Difference]: Start difference. First operand 2647 states and 3907 transitions. Second operand 11 states. [2019-10-13 17:58:31,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:31,628 INFO L93 Difference]: Finished difference Result 5470 states and 7731 transitions. [2019-10-13 17:58:31,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:58:31,631 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 306 [2019-10-13 17:58:31,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:31,652 INFO L225 Difference]: With dead ends: 5470 [2019-10-13 17:58:31,652 INFO L226 Difference]: Without dead ends: 2877 [2019-10-13 17:58:31,664 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:58:31,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2877 states. [2019-10-13 17:58:31,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2877 to 2690. [2019-10-13 17:58:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2019-10-13 17:58:31,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3511 transitions. [2019-10-13 17:58:31,757 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3511 transitions. Word has length 306 [2019-10-13 17:58:31,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:31,758 INFO L462 AbstractCegarLoop]: Abstraction has 2690 states and 3511 transitions. [2019-10-13 17:58:31,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3511 transitions. [2019-10-13 17:58:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-10-13 17:58:31,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:31,772 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:31,976 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:31,977 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:31,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:31,977 INFO L82 PathProgramCache]: Analyzing trace with hash -981057244, now seen corresponding path program 1 times [2019-10-13 17:58:31,977 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:31,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085671187] [2019-10-13 17:58:31,978 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:31,978 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:31,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-13 17:58:32,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085671187] [2019-10-13 17:58:32,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790397341] [2019-10-13 17:58:32,636 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 [2019-10-13 17:58:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:32,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:32,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 365 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-13 17:58:33,008 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:33,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-13 17:58:33,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266622515] [2019-10-13 17:58:33,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:58:33,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:33,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:58:33,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:58:33,014 INFO L87 Difference]: Start difference. First operand 2690 states and 3511 transitions. Second operand 9 states. [2019-10-13 17:58:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:34,708 INFO L93 Difference]: Finished difference Result 5903 states and 8382 transitions. [2019-10-13 17:58:34,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:58:34,709 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 378 [2019-10-13 17:58:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:34,728 INFO L225 Difference]: With dead ends: 5903 [2019-10-13 17:58:34,729 INFO L226 Difference]: Without dead ends: 3362 [2019-10-13 17:58:34,737 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 386 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:58:34,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2019-10-13 17:58:34,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 3270. [2019-10-13 17:58:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3270 states. [2019-10-13 17:58:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 4234 transitions. [2019-10-13 17:58:34,853 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 4234 transitions. Word has length 378 [2019-10-13 17:58:34,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:34,854 INFO L462 AbstractCegarLoop]: Abstraction has 3270 states and 4234 transitions. [2019-10-13 17:58:34,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:58:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 4234 transitions. [2019-10-13 17:58:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-10-13 17:58:34,868 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:34,869 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:35,073 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:35,073 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:35,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:35,074 INFO L82 PathProgramCache]: Analyzing trace with hash 832028093, now seen corresponding path program 1 times [2019-10-13 17:58:35,074 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:35,074 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388750134] [2019-10-13 17:58:35,076 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:35,076 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:35,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:58:35,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388750134] [2019-10-13 17:58:35,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797087107] [2019-10-13 17:58:35,491 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 [2019-10-13 17:58:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:35,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:35,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:58:35,799 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:35,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:58:35,800 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105749853] [2019-10-13 17:58:35,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:58:35,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:35,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:58:35,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:35,801 INFO L87 Difference]: Start difference. First operand 3270 states and 4234 transitions. Second operand 3 states. [2019-10-13 17:58:36,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:36,341 INFO L93 Difference]: Finished difference Result 6824 states and 8901 transitions. [2019-10-13 17:58:36,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:58:36,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 391 [2019-10-13 17:58:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:36,342 INFO L225 Difference]: With dead ends: 6824 [2019-10-13 17:58:36,343 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:58:36,354 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:36,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:58:36,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:58:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:58:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:58:36,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2019-10-13 17:58:36,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:36,358 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:58:36,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:58:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:58:36,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:58:36,564 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:36,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:58:37,157 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 28 [2019-10-13 17:58:37,301 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 28 [2019-10-13 17:58:37,773 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 37 [2019-10-13 17:58:37,941 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:58:37,942 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-13 17:58:37,942 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:58:37,942 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-13 17:58:37,942 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,942 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,942 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,942 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,942 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-13 17:58:37,943 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-13 17:58:37,944 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 17:58:37,945 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 17:58:37,945 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-13 17:58:37,945 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-13 17:58:37,945 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-13 17:58:37,945 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-13 17:58:37,945 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-13 17:58:37,945 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-13 17:58:37,945 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-13 17:58:37,946 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-13 17:58:37,946 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,946 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,946 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,946 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,946 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,946 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-13 17:58:37,947 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 17:58:37,947 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 17:58:37,947 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-13 17:58:37,947 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-13 17:58:37,947 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-13 17:58:37,947 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2019-10-13 17:58:37,947 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,948 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-13 17:58:37,949 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-13 17:58:37,949 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-13 17:58:37,949 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-13 17:58:37,949 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 17:58:37,949 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-13 17:58:37,949 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-13 17:58:37,949 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-13 17:58:37,949 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-13 17:58:37,950 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-13 17:58:37,950 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-13 17:58:37,950 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-13 17:58:37,950 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-13 17:58:37,950 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,950 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,950 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,950 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,951 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,951 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 17:58:37,951 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-13 17:58:37,951 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 17:58:37,951 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 17:58:37,951 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-13 17:58:37,951 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-13 17:58:37,951 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-13 17:58:37,952 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-13 17:58:37,952 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-13 17:58:37,952 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,952 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,952 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,952 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,952 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,953 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,953 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,953 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-13 17:58:37,953 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-13 17:58:37,953 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-13 17:58:37,953 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-13 17:58:37,953 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 17:58:37,953 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,954 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-13 17:58:37,955 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 17:58:37,956 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 17:58:37,956 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 17:58:37,956 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 17:58:37,956 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-13 17:58:37,956 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-13 17:58:37,956 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-13 17:58:37,956 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-13 17:58:37,956 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-13 17:58:37,957 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-13 17:58:37,958 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-13 17:58:37,959 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (and .cse4 .cse2 .cse3)) (.cse0 (and .cse2 .cse3 .cse4))) (and (or .cse0 (not (<= 9 |old(~a19~0)|))) (or .cse1 (not (<= 4 |old(~a10~0)|))) (or (not (= 8 |old(~a19~0)|)) .cse1 (= 1 |old(~a10~0)|)) (or (not (< 0 (+ |old(~a1~0)| 13))) (and (and .cse2 .cse3) .cse4)) (or (not (<= |old(~a10~0)| 0)) .cse0)))) [2019-10-13 17:58:37,959 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-13 17:58:37,959 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-13 17:58:37,959 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-13 17:58:37,959 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,959 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,959 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,960 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,960 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,960 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,960 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-13 17:58:37,960 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 17:58:37,960 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 17:58:37,960 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 17:58:37,960 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-13 17:58:37,961 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-13 17:58:37,962 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-13 17:58:37,963 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 17:58:37,964 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 17:58:37,965 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 17:58:37,965 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 17:58:37,965 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-13 17:58:37,965 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-13 17:58:37,965 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-13 17:58:37,965 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-13 17:58:37,965 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-13 17:58:37,965 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:58:37,966 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (<= ~a19~0 9) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-10-13 17:58:37,966 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:58:37,966 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:58:37,966 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:58:37,966 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:58:37,966 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (<= 4 ~a10~0) (not (<= 23 |old(~a1~0)|)) (and (not (= 1 ~a10~0)) (= ~a19~0 8)) (not (<= |old(~a19~0)| 9)) (< 0 (+ ~a1~0 13)) (not (<= |old(~a1~0)| 23)) (<= ~a10~0 0) (<= 9 ~a19~0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:58:37,966 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 17:58:37,967 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-13 17:58:37,967 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 4 ~a10~0) (not (<= 23 |old(~a1~0)|)) (and (not (= 1 ~a10~0)) (= ~a19~0 8)) (not (<= |old(~a19~0)| 9)) (< 0 (+ ~a1~0 13)) (not (<= |old(~a1~0)| 23)) (<= ~a10~0 0) (<= 9 ~a19~0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:58:37,967 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:58:37,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:58:37 BoogieIcfgContainer [2019-10-13 17:58:37,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:58:37,995 INFO L168 Benchmark]: Toolchain (without parser) took 25265.40 ms. Allocated memory was 146.8 MB in the beginning and 618.7 MB in the end (delta: 471.9 MB). Free memory was 102.0 MB in the beginning and 548.9 MB in the end (delta: -446.8 MB). Peak memory consumption was 488.1 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:37,997 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:58:37,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.20 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 101.8 MB in the beginning and 172.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:37,999 INFO L168 Benchmark]: Boogie Preprocessor took 140.99 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 167.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:38,003 INFO L168 Benchmark]: RCFGBuilder took 1416.51 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 167.7 MB in the beginning and 178.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:38,008 INFO L168 Benchmark]: TraceAbstraction took 22929.71 ms. Allocated memory was 235.9 MB in the beginning and 618.7 MB in the end (delta: 382.7 MB). Free memory was 177.4 MB in the beginning and 548.9 MB in the end (delta: -371.5 MB). Peak memory consumption was 474.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:38,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.20 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 101.8 MB in the beginning and 172.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.99 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 167.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1416.51 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 167.7 MB in the beginning and 178.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22929.71 ms. Allocated memory was 235.9 MB in the beginning and 618.7 MB in the end (delta: 382.7 MB). Free memory was 177.4 MB in the beginning and 548.9 MB in the end (delta: -371.5 MB). Peak memory consumption was 474.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((4 <= a10 || !(23 <= \old(a1))) || (!(1 == a10) && a19 == 8)) || !(\old(a19) <= 9)) || 0 < a1 + 13) || !(\old(a1) <= 23)) || a10 <= 0) || 9 <= a19) || !(\old(a10) <= 0)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 22.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 426 SDtfs, 3988 SDslu, 366 SDs, 0 SdLazy, 8542 SolverSat, 1953 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1612 GetRequests, 1523 SyntacticMatches, 6 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3270occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 1267 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 175 PreInvPairs, 305 NumberOfFragments, 247 HoareAnnotationTreeSize, 175 FomulaSimplifications, 60648 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3213 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 3411 NumberOfCodeBlocks, 3411 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3398 ConstructedInterpolants, 0 QuantifiedInterpolants, 2415044 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2395 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 2876/2892 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...