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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:52:24,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:52:24,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:52:24,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:52:24,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:52:24,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:52:24,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:52:24,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:52:24,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:52:24,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:52:24,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:52:24,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:52:24,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:52:24,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:52:24,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:52:24,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:52:24,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:52:24,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:52:24,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:52:24,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:52:24,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:52:24,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:52:24,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:52:24,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:52:24,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:52:24,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:52:24,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:52:24,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:52:24,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:52:24,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:52:24,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:52:24,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:52:24,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:52:24,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:52:24,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:52:24,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:52:24,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 17:52:24,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:52:24,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:52:24,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:52:24,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:52:24,526 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:52:24,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:52:24,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:52:24,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:52:24,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:52:24,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:52:24,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:52:24,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:52:24,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:52:24,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:52:24,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:52:24,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:52:24,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:52:24,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:52:24,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:52:24,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:52:24,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:52:24,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:52:24,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:52:24,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:52:24,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:52:24,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:52:24,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:52:24,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:52:24,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:52:24,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:52:24,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:52:24,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:52:24,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:52:24,832 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:52:24,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2019-10-13 17:52:24,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635bd70ab/4e7d56def1ad4153bc899e206f64e54c/FLAGe0d7ef923 [2019-10-13 17:52:25,488 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:52:25,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2019-10-13 17:52:25,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635bd70ab/4e7d56def1ad4153bc899e206f64e54c/FLAGe0d7ef923 [2019-10-13 17:52:25,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635bd70ab/4e7d56def1ad4153bc899e206f64e54c [2019-10-13 17:52:25,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:52:25,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:52:25,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:52:25,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:52:25,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:52:25,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:52:25" (1/1) ... [2019-10-13 17:52:25,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1168eabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:25, skipping insertion in model container [2019-10-13 17:52:25,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:52:25" (1/1) ... [2019-10-13 17:52:25,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:52:25,845 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:52:26,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:52:26,432 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:52:26,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:52:26,584 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:52:26,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26 WrapperNode [2019-10-13 17:52:26,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:52:26,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:52:26,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:52:26,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:52:26,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (1/1) ... [2019-10-13 17:52:26,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (1/1) ... [2019-10-13 17:52:26,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (1/1) ... [2019-10-13 17:52:26,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (1/1) ... [2019-10-13 17:52:26,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (1/1) ... [2019-10-13 17:52:26,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (1/1) ... [2019-10-13 17:52:26,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (1/1) ... [2019-10-13 17:52:26,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:52:26,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:52:26,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:52:26,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:52:26,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:52:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:52:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:52:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:52:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:52:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:52:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:52:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:52:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:52:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:52:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:52:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:52:27,943 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:52:27,946 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:52:27,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:52:27 BoogieIcfgContainer [2019-10-13 17:52:27,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:52:27,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:52:27,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:52:27,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:52:27,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:52:25" (1/3) ... [2019-10-13 17:52:27,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36234a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:52:27, skipping insertion in model container [2019-10-13 17:52:27,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:26" (2/3) ... [2019-10-13 17:52:27,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36234a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:52:27, skipping insertion in model container [2019-10-13 17:52:27,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:52:27" (3/3) ... [2019-10-13 17:52:27,967 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2019-10-13 17:52:27,978 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:52:27,989 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:52:28,001 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:52:28,045 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:52:28,045 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:52:28,047 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:52:28,047 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:52:28,048 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:52:28,048 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:52:28,048 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:52:28,048 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:52:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-13 17:52:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-13 17:52:28,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:28,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:28,114 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:28,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:28,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1377016033, now seen corresponding path program 1 times [2019-10-13 17:52:28,131 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:28,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604820406] [2019-10-13 17:52:28,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:28,133 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:28,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:28,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:28,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604820406] [2019-10-13 17:52:28,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:52:28,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:52:28,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840350220] [2019-10-13 17:52:28,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:52:28,817 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:28,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:52:28,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:52:28,836 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-13 17:52:30,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:30,259 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-13 17:52:30,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 17:52:30,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2019-10-13 17:52:30,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:30,293 INFO L225 Difference]: With dead ends: 557 [2019-10-13 17:52:30,293 INFO L226 Difference]: Without dead ends: 286 [2019-10-13 17:52:30,306 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 [2019-10-13 17:52:30,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-13 17:52:30,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-13 17:52:30,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-13 17:52:30,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-10-13 17:52:30,413 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 115 [2019-10-13 17:52:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:30,414 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-10-13 17:52:30,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:52:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-10-13 17:52:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 17:52:30,419 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:30,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:30,419 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:30,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:30,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1300380632, now seen corresponding path program 1 times [2019-10-13 17:52:30,420 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:30,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211151524] [2019-10-13 17:52:30,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:30,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:30,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:30,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:30,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211151524] [2019-10-13 17:52:30,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:52:30,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:52:30,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747970294] [2019-10-13 17:52:30,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:52:30,714 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:30,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:52:30,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:52:30,715 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-10-13 17:52:32,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:32,261 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-10-13 17:52:32,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 17:52:32,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2019-10-13 17:52:32,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:32,267 INFO L225 Difference]: With dead ends: 713 [2019-10-13 17:52:32,268 INFO L226 Difference]: Without dead ends: 439 [2019-10-13 17:52:32,270 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 [2019-10-13 17:52:32,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-13 17:52:32,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-10-13 17:52:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-13 17:52:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-10-13 17:52:32,308 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 125 [2019-10-13 17:52:32,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:32,308 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-10-13 17:52:32,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:52:32,309 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-10-13 17:52:32,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-13 17:52:32,312 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:32,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:32,313 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:32,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:32,313 INFO L82 PathProgramCache]: Analyzing trace with hash 860697510, now seen corresponding path program 1 times [2019-10-13 17:52:32,314 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:32,314 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167093991] [2019-10-13 17:52:32,314 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:32,315 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:32,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:32,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167093991] [2019-10-13 17:52:32,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684538675] [2019-10-13 17:52:32,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:32,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:52:32,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:32,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:52:32,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:52:32,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963019872] [2019-10-13 17:52:32,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:52:32,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:32,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:52:32,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:52:32,941 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-10-13 17:52:33,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:33,512 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2019-10-13 17:52:33,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:52:33,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-13 17:52:33,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:33,519 INFO L225 Difference]: With dead ends: 1247 [2019-10-13 17:52:33,519 INFO L226 Difference]: Without dead ends: 832 [2019-10-13 17:52:33,521 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:52:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-10-13 17:52:33,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-10-13 17:52:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-10-13 17:52:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2019-10-13 17:52:33,562 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 126 [2019-10-13 17:52:33,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:33,563 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2019-10-13 17:52:33,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:52:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2019-10-13 17:52:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 17:52:33,568 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:33,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:33,776 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:33,777 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:33,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:33,778 INFO L82 PathProgramCache]: Analyzing trace with hash 508544498, now seen corresponding path program 1 times [2019-10-13 17:52:33,779 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:33,779 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565646808] [2019-10-13 17:52:33,780 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:33,780 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:33,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:33,971 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565646808] [2019-10-13 17:52:33,972 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367864571] [2019-10-13 17:52:33,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:34,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:52:34,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:34,085 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:52:34,085 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-10-13 17:52:34,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996891135] [2019-10-13 17:52:34,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:52:34,087 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:34,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:52:34,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:52:34,088 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2019-10-13 17:52:34,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:34,668 INFO L93 Difference]: Finished difference Result 2343 states and 3200 transitions. [2019-10-13 17:52:34,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:52:34,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-13 17:52:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:34,679 INFO L225 Difference]: With dead ends: 2343 [2019-10-13 17:52:34,679 INFO L226 Difference]: Without dead ends: 1517 [2019-10-13 17:52:34,683 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:52:34,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2019-10-13 17:52:34,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2019-10-13 17:52:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states. [2019-10-13 17:52:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2006 transitions. [2019-10-13 17:52:34,750 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2006 transitions. Word has length 132 [2019-10-13 17:52:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:34,752 INFO L462 AbstractCegarLoop]: Abstraction has 1517 states and 2006 transitions. [2019-10-13 17:52:34,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:52:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2006 transitions. [2019-10-13 17:52:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-13 17:52:34,767 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:34,767 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:34,972 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:34,973 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:34,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:34,973 INFO L82 PathProgramCache]: Analyzing trace with hash -467205560, now seen corresponding path program 1 times [2019-10-13 17:52:34,974 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:34,974 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710020308] [2019-10-13 17:52:34,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:34,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:34,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 17:52:35,257 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710020308] [2019-10-13 17:52:35,257 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529178387] [2019-10-13 17:52:35,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:35,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 17:52:35,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 17:52:35,456 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:52:35,456 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2019-10-13 17:52:35,456 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882676179] [2019-10-13 17:52:35,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:52:35,457 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:35,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:52:35,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:52:35,458 INFO L87 Difference]: Start difference. First operand 1517 states and 2006 transitions. Second operand 9 states. [2019-10-13 17:52:38,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:38,329 INFO L93 Difference]: Finished difference Result 4867 states and 6873 transitions. [2019-10-13 17:52:38,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-13 17:52:38,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 141 [2019-10-13 17:52:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:38,330 INFO L225 Difference]: With dead ends: 4867 [2019-10-13 17:52:38,331 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:52:38,341 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2019-10-13 17:52:38,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:52:38,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:52:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:52:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:52:38,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2019-10-13 17:52:38,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:38,344 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:52:38,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:52:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:52:38,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:52:38,551 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:38,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:52:39,313 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2019-10-13 17:52:39,530 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:52:39,531 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)|)) [2019-10-13 17:52:39,531 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:52:39,531 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-13 17:52:39,531 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-13 17:52:39,532 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,532 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,532 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,533 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,533 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,533 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,534 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-13 17:52:39,534 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-13 17:52:39,534 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 17:52:39,535 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-13 17:52:39,535 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-13 17:52:39,535 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-13 17:52:39,535 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 17:52:39,535 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 17:52:39,535 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-13 17:52:39,535 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-13 17:52:39,536 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,536 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,536 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,536 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,536 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,537 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,537 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-13 17:52:39,537 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-13 17:52:39,537 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-13 17:52:39,537 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-13 17:52:39,537 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-13 17:52:39,537 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-13 17:52:39,537 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 17:52:39,538 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-13 17:52:39,538 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-13 17:52:39,538 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-13 17:52:39,538 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-13 17:52:39,538 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-13 17:52:39,538 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-13 17:52:39,538 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-13 17:52:39,538 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-13 17:52:39,539 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,539 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,539 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,539 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,539 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,539 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-13 17:52:39,539 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-13 17:52:39,539 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,540 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-13 17:52:39,541 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-13 17:52:39,542 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,543 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-13 17:52:39,544 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-13 17:52:39,545 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-13 17:52:39,546 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,546 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,546 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,546 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,546 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,546 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-13 17:52:39,546 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-13 17:52:39,546 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-13 17:52:39,547 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-13 17:52:39,547 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-13 17:52:39,547 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 17:52:39,547 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 17:52:39,547 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 17:52:39,547 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-13 17:52:39,547 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-13 17:52:39,548 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a7~0)| 0))) (.cse0 (not (<= |old(~a8~0)| 13))) (.cse3 (not (<= |old(~a16~0)| 5))) (.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)|))) (.cse1 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 .cse2 .cse4) (or .cse0 .cse3 .cse2) (or (not (= 15 |old(~a8~0)|)) .cse2) (or .cse3 .cse2 .cse1))) [2019-10-13 17:52:39,548 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-13 17:52:39,548 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,548 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,548 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,548 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,548 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-13 17:52:39,548 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,549 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,549 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-13 17:52:39,549 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-13 17:52:39,549 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-13 17:52:39,549 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 17:52:39,549 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 17:52:39,549 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 17:52:39,549 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-13 17:52:39,550 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-13 17:52:39,551 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-13 17:52:39,552 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-13 17:52:39,553 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:52:39,553 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 5 ~a16~0) (= 15 ~a8~0) (<= ~a7~0 0)) [2019-10-13 17:52:39,553 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:52:39,553 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:52:39,553 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= |old(~a7~0)| 0)) (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)|))) [2019-10-13 17:52:39,553 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:52:39,553 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a16~0 5)) (.cse3 (<= ~a7~0 0))) (or (not (<= 5 |old(~a16~0)|)) (= 15 ~a8~0) (not (= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1) (not (<= |old(~a7~0)| 0)) (and .cse2 .cse1) (and .cse2 .cse3) (and .cse2 .cse0) (and .cse0 .cse3))) [2019-10-13 17:52:39,553 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-13 17:52:39,554 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 17:52:39,554 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a16~0 5)) (.cse3 (<= ~a7~0 0))) (or (not (<= 5 |old(~a16~0)|)) (= 15 ~a8~0) (not (= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1) (not (<= |old(~a7~0)| 0)) (and .cse2 .cse1) (and .cse2 .cse3) (and .cse2 .cse0) (and .cse0 .cse3))) [2019-10-13 17:52:39,554 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:52:39,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:52:39 BoogieIcfgContainer [2019-10-13 17:52:39,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:52:39,573 INFO L168 Benchmark]: Toolchain (without parser) took 13802.80 ms. Allocated memory was 145.2 MB in the beginning and 410.5 MB in the end (delta: 265.3 MB). Free memory was 101.2 MB in the beginning and 209.4 MB in the end (delta: -108.2 MB). Peak memory consumption was 238.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:39,574 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:52:39,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.87 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 101.0 MB in the beginning and 170.2 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:39,575 INFO L168 Benchmark]: Boogie Preprocessor took 107.46 ms. Allocated memory is still 205.0 MB. Free memory was 170.2 MB in the beginning and 165.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:39,576 INFO L168 Benchmark]: RCFGBuilder took 1255.48 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.3 MB in the beginning and 180.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:39,577 INFO L168 Benchmark]: TraceAbstraction took 11621.02 ms. Allocated memory was 238.0 MB in the beginning and 410.5 MB in the end (delta: 172.5 MB). Free memory was 180.7 MB in the beginning and 209.4 MB in the end (delta: -28.6 MB). Peak memory consumption was 225.6 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:39,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 813.87 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 101.0 MB in the beginning and 170.2 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.46 ms. Allocated memory is still 205.0 MB. Free memory was 170.2 MB in the beginning and 165.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1255.48 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.3 MB in the beginning and 180.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11621.02 ms. Allocated memory was 238.0 MB in the beginning and 410.5 MB in the end (delta: 172.5 MB). Free memory was 180.7 MB in the beginning and 209.4 MB in the end (delta: -28.6 MB). Peak memory consumption was 225.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: 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: ((((((((!(5 <= \old(a16)) || 15 == a8) || !(15 == \old(a8))) || !(\old(a16) <= 5)) || (a16 <= 5 && a17 <= 0)) || !(\old(a7) <= 0)) || (a8 <= 13 && a17 <= 0)) || (a8 <= 13 && a7 <= 0)) || (a8 <= 13 && a16 <= 5)) || (a16 <= 5 && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 11.5s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 496 SDtfs, 2905 SDslu, 158 SDs, 0 SdLazy, 3269 SolverSat, 1000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 464 GetRequests, 420 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1517occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 128 NumberOfFragments, 383 HoareAnnotationTreeSize, 62 FomulaSimplifications, 7292 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1935 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1038 NumberOfCodeBlocks, 1038 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1030 ConstructedInterpolants, 0 QuantifiedInterpolants, 671012 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1101 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 74/97 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...