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/Problem01_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:51:06,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:51:06,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:51:06,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:51:06,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:51:06,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:51:06,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:51:06,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:51:06,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:51:06,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:51:06,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:51:06,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:51:06,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:51:06,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:51:06,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:51:06,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:51:06,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:51:06,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:51:06,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:51:06,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:51:06,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:51:06,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:51:06,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:51:06,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:51:06,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:51:06,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:51:06,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:51:06,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:51:06,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:51:06,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:51:06,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:51:06,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:51:06,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:51:06,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:51:06,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:51:06,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:51:06,496 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 [2019-10-14 21:51:06,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:51:06,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:51:06,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:51:06,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:51:06,535 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:51:06,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:51:06,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:51:06,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:51:06,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:51:06,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:51:06,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:51:06,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:51:06,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:51:06,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:51:06,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:51:06,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:51:06,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:51:06,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:51:06,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:51:06,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:51:06,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:51:06,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:51:06,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:51:06,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:51:06,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:51:06,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:51:06,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:51:06,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:51:06,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:51:06,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:51:06,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:51:06,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:51:06,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:51:06,850 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:51:06,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label02.c [2019-10-14 21:51:06,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f45d6d62d/cadd62eb544240598e419f25ad9002fe/FLAG9f0a51a24 [2019-10-14 21:51:07,517 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:51:07,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label02.c [2019-10-14 21:51:07,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f45d6d62d/cadd62eb544240598e419f25ad9002fe/FLAG9f0a51a24 [2019-10-14 21:51:07,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f45d6d62d/cadd62eb544240598e419f25ad9002fe [2019-10-14 21:51:07,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:51:07,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:51:07,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:51:07,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:51:07,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:51:07,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:51:07" (1/1) ... [2019-10-14 21:51:07,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bca6166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:07, skipping insertion in model container [2019-10-14 21:51:07,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:51:07" (1/1) ... [2019-10-14 21:51:07,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:51:07,897 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:51:08,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:51:08,392 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:51:08,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:51:08,563 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:51:08,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08 WrapperNode [2019-10-14 21:51:08,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:51:08,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:51:08,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:51:08,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:51:08,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (1/1) ... [2019-10-14 21:51:08,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (1/1) ... [2019-10-14 21:51:08,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (1/1) ... [2019-10-14 21:51:08,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (1/1) ... [2019-10-14 21:51:08,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (1/1) ... [2019-10-14 21:51:08,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (1/1) ... [2019-10-14 21:51:08,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (1/1) ... [2019-10-14 21:51:08,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:51:08,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:51:08,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:51:08,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:51:08,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (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 [2019-10-14 21:51:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:51:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:51:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:51:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:51:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:51:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:51:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:51:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:51:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:51:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:51:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:51:09,857 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:51:09,858 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:51:09,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:51:09 BoogieIcfgContainer [2019-10-14 21:51:09,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:51:09,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:51:09,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:51:09,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:51:09,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:51:07" (1/3) ... [2019-10-14 21:51:09,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab43f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:51:09, skipping insertion in model container [2019-10-14 21:51:09,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:08" (2/3) ... [2019-10-14 21:51:09,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab43f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:51:09, skipping insertion in model container [2019-10-14 21:51:09,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:51:09" (3/3) ... [2019-10-14 21:51:09,869 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2019-10-14 21:51:09,879 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:51:09,888 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:51:09,901 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:51:09,935 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:51:09,935 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:51:09,935 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:51:09,935 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:51:09,936 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:51:09,936 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:51:09,936 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:51:09,936 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:51:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-14 21:51:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-14 21:51:09,976 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:09,977 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:09,979 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:09,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:09,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1011489582, now seen corresponding path program 1 times [2019-10-14 21:51:09,994 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:09,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009383259] [2019-10-14 21:51:09,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:09,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:09,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:10,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009383259] [2019-10-14 21:51:10,534 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:51:10,534 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:51:10,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453686737] [2019-10-14 21:51:10,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:51:10,543 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:10,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:51:10,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:51:10,560 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-14 21:51:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:12,017 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-14 21:51:12,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 21:51:12,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 96 [2019-10-14 21:51:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:12,045 INFO L225 Difference]: With dead ends: 557 [2019-10-14 21:51:12,045 INFO L226 Difference]: Without dead ends: 286 [2019-10-14 21:51:12,058 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:51:12,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-14 21:51:12,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-14 21:51:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-14 21:51:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-10-14 21:51:12,159 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 96 [2019-10-14 21:51:12,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:12,160 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-10-14 21:51:12,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:51:12,160 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-10-14 21:51:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-14 21:51:12,166 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:12,166 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:12,167 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:12,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:12,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1321725755, now seen corresponding path program 1 times [2019-10-14 21:51:12,167 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:12,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639085389] [2019-10-14 21:51:12,168 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:12,168 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:12,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:12,422 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639085389] [2019-10-14 21:51:12,422 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:51:12,422 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:51:12,422 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218592604] [2019-10-14 21:51:12,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:51:12,425 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:12,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:51:12,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:12,426 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-10-14 21:51:13,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:13,862 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-10-14 21:51:13,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 21:51:13,863 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2019-10-14 21:51:13,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:13,867 INFO L225 Difference]: With dead ends: 713 [2019-10-14 21:51:13,867 INFO L226 Difference]: Without dead ends: 439 [2019-10-14 21:51:13,869 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:51:13,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-14 21:51:13,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-10-14 21:51:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-14 21:51:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-10-14 21:51:13,901 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 106 [2019-10-14 21:51:13,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:13,901 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-10-14 21:51:13,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:51:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-10-14 21:51:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-14 21:51:13,907 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:13,907 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:13,908 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:13,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:13,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1059863033, now seen corresponding path program 1 times [2019-10-14 21:51:13,908 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:13,909 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560893505] [2019-10-14 21:51:13,909 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:13,909 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:13,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:14,151 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560893505] [2019-10-14 21:51:14,151 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197257176] [2019-10-14 21:51:14,152 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 [2019-10-14 21:51:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:14,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:51:14,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:14,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:51:14,340 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2019-10-14 21:51:14,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630692046] [2019-10-14 21:51:14,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:51:14,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:14,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:51:14,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:51:14,351 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-10-14 21:51:14,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:14,906 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2019-10-14 21:51:14,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:51:14,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2019-10-14 21:51:14,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:14,913 INFO L225 Difference]: With dead ends: 1247 [2019-10-14 21:51:14,913 INFO L226 Difference]: Without dead ends: 832 [2019-10-14 21:51:14,914 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:51:14,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-10-14 21:51:14,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-10-14 21:51:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-10-14 21:51:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1164 transitions. [2019-10-14 21:51:14,953 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1164 transitions. Word has length 107 [2019-10-14 21:51:14,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:14,954 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1164 transitions. [2019-10-14 21:51:14,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:51:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1164 transitions. [2019-10-14 21:51:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-14 21:51:14,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:14,960 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:15,164 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:15,165 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:15,166 INFO L82 PathProgramCache]: Analyzing trace with hash -742908101, now seen corresponding path program 1 times [2019-10-14 21:51:15,166 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:15,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463068726] [2019-10-14 21:51:15,167 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:15,167 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:15,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:15,347 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:15,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463068726] [2019-10-14 21:51:15,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956968115] [2019-10-14 21:51:15,348 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 [2019-10-14 21:51:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:15,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:51:15,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:15,520 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:51:15,520 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-10-14 21:51:15,521 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578210975] [2019-10-14 21:51:15,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:51:15,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:15,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:51:15,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:51:15,545 INFO L87 Difference]: Start difference. First operand 832 states and 1164 transitions. Second operand 3 states. [2019-10-14 21:51:16,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:16,036 INFO L93 Difference]: Finished difference Result 2480 states and 3563 transitions. [2019-10-14 21:51:16,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:51:16,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-10-14 21:51:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:16,047 INFO L225 Difference]: With dead ends: 2480 [2019-10-14 21:51:16,048 INFO L226 Difference]: Without dead ends: 1654 [2019-10-14 21:51:16,051 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:51:16,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2019-10-14 21:51:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2019-10-14 21:51:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2019-10-14 21:51:16,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2258 transitions. [2019-10-14 21:51:16,112 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2258 transitions. Word has length 113 [2019-10-14 21:51:16,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:16,113 INFO L462 AbstractCegarLoop]: Abstraction has 1654 states and 2258 transitions. [2019-10-14 21:51:16,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:51:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2258 transitions. [2019-10-14 21:51:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-14 21:51:16,119 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:16,120 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:16,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:16,332 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:16,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:16,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1298833038, now seen corresponding path program 1 times [2019-10-14 21:51:16,333 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:16,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345639548] [2019-10-14 21:51:16,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:16,334 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:16,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:16,516 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:51:16,516 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345639548] [2019-10-14 21:51:16,516 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546672280] [2019-10-14 21:51:16,517 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 [2019-10-14 21:51:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:16,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:51:16,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-14 21:51:16,668 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:51:16,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-10-14 21:51:16,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185661512] [2019-10-14 21:51:16,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:51:16,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:16,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:51:16,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:16,670 INFO L87 Difference]: Start difference. First operand 1654 states and 2258 transitions. Second operand 3 states. [2019-10-14 21:51:17,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:17,227 INFO L93 Difference]: Finished difference Result 4801 states and 6716 transitions. [2019-10-14 21:51:17,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:51:17,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-14 21:51:17,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:17,245 INFO L225 Difference]: With dead ends: 4801 [2019-10-14 21:51:17,245 INFO L226 Difference]: Without dead ends: 3153 [2019-10-14 21:51:17,251 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:17,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3153 states. [2019-10-14 21:51:17,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3153 to 3153. [2019-10-14 21:51:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3153 states. [2019-10-14 21:51:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 3153 states and 4219 transitions. [2019-10-14 21:51:17,358 INFO L78 Accepts]: Start accepts. Automaton has 3153 states and 4219 transitions. Word has length 132 [2019-10-14 21:51:17,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:17,359 INFO L462 AbstractCegarLoop]: Abstraction has 3153 states and 4219 transitions. [2019-10-14 21:51:17,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:51:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 4219 transitions. [2019-10-14 21:51:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-14 21:51:17,370 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:17,370 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:17,574 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:17,575 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:17,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:17,575 INFO L82 PathProgramCache]: Analyzing trace with hash -2131672726, now seen corresponding path program 1 times [2019-10-14 21:51:17,575 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:17,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134044443] [2019-10-14 21:51:17,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:17,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:17,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:51:17,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134044443] [2019-10-14 21:51:17,748 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985486143] [2019-10-14 21:51:17,748 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 [2019-10-14 21:51:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:17,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:51:17,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:17,927 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:51:17,927 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 21:51:17,928 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320613138] [2019-10-14 21:51:17,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:51:17,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:17,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:51:17,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:51:17,930 INFO L87 Difference]: Start difference. First operand 3153 states and 4219 transitions. Second operand 11 states. [2019-10-14 21:51:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:20,941 INFO L93 Difference]: Finished difference Result 7752 states and 11766 transitions. [2019-10-14 21:51:20,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-14 21:51:20,941 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2019-10-14 21:51:20,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:20,978 INFO L225 Difference]: With dead ends: 7752 [2019-10-14 21:51:20,979 INFO L226 Difference]: Without dead ends: 4605 [2019-10-14 21:51:20,990 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2019-10-14 21:51:20,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4605 states. [2019-10-14 21:51:21,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4605 to 4292. [2019-10-14 21:51:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4292 states. [2019-10-14 21:51:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 4292 states and 5984 transitions. [2019-10-14 21:51:21,184 INFO L78 Accepts]: Start accepts. Automaton has 4292 states and 5984 transitions. Word has length 136 [2019-10-14 21:51:21,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:21,185 INFO L462 AbstractCegarLoop]: Abstraction has 4292 states and 5984 transitions. [2019-10-14 21:51:21,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:51:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4292 states and 5984 transitions. [2019-10-14 21:51:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-14 21:51:21,203 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:21,204 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:21,407 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:21,407 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:21,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:21,408 INFO L82 PathProgramCache]: Analyzing trace with hash 910063858, now seen corresponding path program 1 times [2019-10-14 21:51:21,409 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:21,409 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34825430] [2019-10-14 21:51:21,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:21,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:21,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-14 21:51:21,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34825430] [2019-10-14 21:51:21,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199140677] [2019-10-14 21:51:21,591 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 [2019-10-14 21:51:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:21,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-14 21:51:21,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 21:51:21,761 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:51:21,762 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-10-14 21:51:21,762 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125790932] [2019-10-14 21:51:21,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 21:51:21,763 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:21,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 21:51:21,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:51:21,764 INFO L87 Difference]: Start difference. First operand 4292 states and 5984 transitions. Second operand 7 states. [2019-10-14 21:51:23,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:23,387 INFO L93 Difference]: Finished difference Result 10127 states and 15562 transitions. [2019-10-14 21:51:23,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 21:51:23,388 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2019-10-14 21:51:23,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:23,434 INFO L225 Difference]: With dead ends: 10127 [2019-10-14 21:51:23,434 INFO L226 Difference]: Without dead ends: 5845 [2019-10-14 21:51:23,456 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:51:23,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5845 states. [2019-10-14 21:51:23,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5845 to 5325. [2019-10-14 21:51:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5325 states. [2019-10-14 21:51:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5325 states to 5325 states and 7464 transitions. [2019-10-14 21:51:23,733 INFO L78 Accepts]: Start accepts. Automaton has 5325 states and 7464 transitions. Word has length 140 [2019-10-14 21:51:23,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:23,734 INFO L462 AbstractCegarLoop]: Abstraction has 5325 states and 7464 transitions. [2019-10-14 21:51:23,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 21:51:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5325 states and 7464 transitions. [2019-10-14 21:51:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-14 21:51:23,764 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:23,765 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:23,969 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:23,970 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:23,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:23,970 INFO L82 PathProgramCache]: Analyzing trace with hash 854088885, now seen corresponding path program 1 times [2019-10-14 21:51:23,970 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:23,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306407673] [2019-10-14 21:51:23,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:23,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:23,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 91 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-14 21:51:24,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306407673] [2019-10-14 21:51:24,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313258642] [2019-10-14 21:51:24,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:24,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:51:24,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-14 21:51:24,441 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:51:24,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 21:51:24,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196968835] [2019-10-14 21:51:24,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:51:24,444 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:24,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:51:24,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:51:24,452 INFO L87 Difference]: Start difference. First operand 5325 states and 7464 transitions. Second operand 11 states. [2019-10-14 21:51:29,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:29,731 INFO L93 Difference]: Finished difference Result 14231 states and 21344 transitions. [2019-10-14 21:51:29,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-14 21:51:29,731 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2019-10-14 21:51:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:29,732 INFO L225 Difference]: With dead ends: 14231 [2019-10-14 21:51:29,732 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:51:29,790 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=212, Invalid=780, Unknown=0, NotChecked=0, Total=992 [2019-10-14 21:51:29,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:51:29,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:51:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:51:29,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:51:29,794 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2019-10-14 21:51:29,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:29,795 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:51:29,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:51:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:51:29,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:51:29,999 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:30,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:51:32,681 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 486 DAG size of output: 262 [2019-10-14 21:51:33,627 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 262 [2019-10-14 21:51:34,454 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 50 [2019-10-14 21:51:35,738 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 234 DAG size of output: 41 [2019-10-14 21:51:36,962 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 234 DAG size of output: 41 [2019-10-14 21:51:36,965 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:51:36,966 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-14 21:51:36,966 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:51:36,966 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-14 21:51:36,966 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-14 21:51:36,966 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,967 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,967 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,967 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,967 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,967 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,967 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-14 21:51:36,968 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-14 21:51:36,968 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-14 21:51:36,968 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-14 21:51:36,968 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-14 21:51:36,968 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-14 21:51:36,968 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-14 21:51:36,968 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-14 21:51:36,969 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-14 21:51:36,969 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-14 21:51:36,969 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,969 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,969 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,969 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,969 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,969 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,970 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-14 21:51:36,970 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-14 21:51:36,970 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-14 21:51:36,970 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-14 21:51:36,970 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-14 21:51:36,970 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-14 21:51:36,970 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-14 21:51:36,970 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-14 21:51:36,971 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-14 21:51:36,971 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-14 21:51:36,971 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-14 21:51:36,971 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-14 21:51:36,971 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-14 21:51:36,971 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-14 21:51:36,971 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-14 21:51:36,972 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,972 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,972 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,972 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,972 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,972 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-14 21:51:36,972 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-14 21:51:36,972 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-14 21:51:36,973 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-14 21:51:36,973 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-14 21:51:36,973 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-14 21:51:36,973 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-14 21:51:36,973 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-14 21:51:36,973 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-14 21:51:36,973 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,973 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,974 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,974 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,974 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,974 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-14 21:51:36,974 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-14 21:51:36,974 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-14 21:51:36,974 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-14 21:51:36,974 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-14 21:51:36,975 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,976 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,976 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,976 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,976 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,976 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-14 21:51:36,976 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-14 21:51:36,976 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-14 21:51:36,976 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-14 21:51:36,977 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-14 21:51:36,977 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-14 21:51:36,977 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-14 21:51:36,977 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-14 21:51:36,977 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-14 21:51:36,977 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,977 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,978 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,978 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,978 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,978 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,978 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-14 21:51:36,978 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,978 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-14 21:51:36,978 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-14 21:51:36,979 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-14 21:51:36,979 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-14 21:51:36,979 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-14 21:51:36,979 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-14 21:51:36,979 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-14 21:51:36,979 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-14 21:51:36,979 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-14 21:51:36,979 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,980 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-14 21:51:36,981 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-14 21:51:36,981 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-14 21:51:36,981 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-14 21:51:36,981 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-14 21:51:36,981 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-14 21:51:36,981 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-14 21:51:36,981 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-14 21:51:36,981 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,982 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,982 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,982 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,982 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,982 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-14 21:51:36,982 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-14 21:51:36,982 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-14 21:51:36,982 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-14 21:51:36,983 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-14 21:51:36,983 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-14 21:51:36,983 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-14 21:51:36,983 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-14 21:51:36,983 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-14 21:51:36,983 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-14 21:51:36,983 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a7~0)| 0))) (.cse4 (not (<= |old(~a8~0)| 13))) (.cse0 (not (= 4 |old(~a16~0)|))) (.cse6 (= 1 |old(~a21~0)|)) (.cse3 (not (<= 5 |old(~a16~0)|))) (.cse5 (not (= 1 |old(~a7~0)|))) (.cse2 (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse1) (or .cse4 .cse0 .cse5 .cse2 (not (= 1 |old(~a17~0)|))) (or .cse2 .cse0 .cse5 (not (<= |old(~a20~0)| 0))) (or .cse4 .cse3 .cse6 .cse2 .cse5) (or .cse4 .cse2 .cse5 (or .cse0 .cse6)) (or .cse3 (not (<= |old(~a16~0)| 5)) .cse5 .cse2))) [2019-10-14 21:51:36,983 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-14 21:51:36,984 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,984 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,984 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,984 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,984 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-14 21:51:36,984 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,984 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,984 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-14 21:51:36,985 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-14 21:51:36,985 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2019-10-14 21:51:36,985 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-14 21:51:36,985 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-14 21:51:36,985 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-14 21:51:36,985 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-14 21:51:36,985 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-14 21:51:36,986 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-14 21:51:36,986 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-14 21:51:36,986 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-14 21:51:36,986 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-14 21:51:36,986 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-14 21:51:36,986 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,986 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,986 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,987 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,987 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,987 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-14 21:51:36,987 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,987 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-14 21:51:36,987 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-14 21:51:36,987 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-14 21:51:36,987 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-14 21:51:36,988 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-14 21:51:36,988 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-14 21:51:36,988 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-14 21:51:36,988 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-14 21:51:36,988 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-14 21:51:36,988 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-14 21:51:36,988 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-14 21:51:36,988 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:36,989 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-14 21:51:36,990 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-14 21:51:36,991 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:51:36,991 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a17~0 1) (<= 5 ~a16~0) (<= ~a7~0 0)) [2019-10-14 21:51:36,991 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:51:36,991 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:51:36,991 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a7~0)| 0)) (not (= 1 |old(~a17~0)|))) [2019-10-14 21:51:36,991 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:51:36,991 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse4 (not (= ~a21~0 1))) (.cse3 (<= ~a8~0 13)) (.cse1 (= ~a16~0 4)) (.cse2 (<= ~a7~0 0)) (.cse0 (= 1 ~a7~0)) (.cse5 (<= 5 ~a16~0))) (or (and .cse0 .cse1 (<= ~a20~0 0)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (and .cse1 .cse2) (not (<= |old(~a16~0)| 5)) (and .cse3 .cse4 .cse0 .cse1) (and .cse3 .cse0 (and .cse4 .cse5)) (and .cse3 .cse0 .cse1 (= ~a17~0 1)) (and .cse5 .cse2) (and .cse0 (<= ~a16~0 5) .cse5) (not (= 1 |old(~a17~0)|)))) [2019-10-14 21:51:36,991 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-14 21:51:36,991 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-14 21:51:36,991 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (not (= ~a21~0 1))) (.cse3 (<= ~a8~0 13)) (.cse1 (= ~a16~0 4)) (.cse2 (<= ~a7~0 0)) (.cse0 (= 1 ~a7~0)) (.cse5 (<= 5 ~a16~0))) (or (and .cse0 .cse1 (<= ~a20~0 0)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (and .cse1 .cse2) (not (<= |old(~a16~0)| 5)) (and .cse3 .cse4 .cse0 .cse1) (and .cse3 .cse0 (and .cse4 .cse5)) (and .cse3 .cse0 .cse1 (= ~a17~0 1)) (and .cse5 .cse2) (and .cse0 (<= ~a16~0 5) .cse5) (not (= 1 |old(~a17~0)|)))) [2019-10-14 21:51:36,992 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:51:37,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:51:37 BoogieIcfgContainer [2019-10-14 21:51:37,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:51:37,015 INFO L168 Benchmark]: Toolchain (without parser) took 29193.06 ms. Allocated memory was 135.3 MB in the beginning and 678.4 MB in the end (delta: 543.2 MB). Free memory was 98.0 MB in the beginning and 336.1 MB in the end (delta: -238.1 MB). Peak memory consumption was 576.4 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:37,016 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 21:51:37,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.61 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 97.8 MB in the beginning and 159.3 MB in the end (delta: -61.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:37,018 INFO L168 Benchmark]: Boogie Preprocessor took 124.73 ms. Allocated memory is still 200.3 MB. Free memory was 159.3 MB in the beginning and 154.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:37,019 INFO L168 Benchmark]: RCFGBuilder took 1170.08 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 154.2 MB in the beginning and 167.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:37,020 INFO L168 Benchmark]: TraceAbstraction took 27152.43 ms. Allocated memory was 227.5 MB in the beginning and 678.4 MB in the end (delta: 450.9 MB). Free memory was 167.9 MB in the beginning and 336.1 MB in the end (delta: -168.2 MB). Peak memory consumption was 554.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:37,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.61 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 97.8 MB in the beginning and 159.3 MB in the end (delta: -61.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.73 ms. Allocated memory is still 200.3 MB. Free memory was 159.3 MB in the beginning and 154.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1170.08 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 154.2 MB in the beginning and 167.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27152.43 ms. Allocated memory was 227.5 MB in the beginning and 678.4 MB in the end (delta: 450.9 MB). Free memory was 167.9 MB in the beginning and 336.1 MB in the end (delta: -168.2 MB). Peak memory consumption was 554.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((1 == a7 && a16 == 4) && a20 <= 0) || !(5 <= \old(a16))) || !(\old(a7) <= 0)) || (a16 == 4 && a7 <= 0)) || !(\old(a16) <= 5)) || (((a8 <= 13 && !(a21 == 1)) && 1 == a7) && a16 == 4)) || ((a8 <= 13 && 1 == a7) && !(a21 == 1) && 5 <= a16)) || (((a8 <= 13 && 1 == a7) && a16 == 4) && a17 == 1)) || (5 <= a16 && a7 <= 0)) || ((1 == a7 && a16 <= 5) && 5 <= a16)) || !(1 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 27.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, HoareTripleCheckerStatistics: 497 SDtfs, 3483 SDslu, 397 SDs, 0 SdLazy, 8772 SolverSat, 1470 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 962 GetRequests, 873 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5325occurred 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: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 857 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 398 PreInvPairs, 836 NumberOfFragments, 522 HoareAnnotationTreeSize, 398 FomulaSimplifications, 173370 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15139 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1826 NumberOfCodeBlocks, 1826 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1812 ConstructedInterpolants, 0 QuantifiedInterpolants, 619955 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2479 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 514/569 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...