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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:41:56,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:41:56,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:41:56,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 01:41:56,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:41:56,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:41:56,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:41:56,160 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 [2019-10-15 01:41:56,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:41:56,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:41:56,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:41:56,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:41:56,176 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:41:56,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:41:56,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:41:56,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:41:56,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:41:56,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:41:56,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:41:56,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:41:56,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:41:56,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:41:56,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:41:56,178 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:41:56,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:41:56,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:41:56,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:41:56,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:41:56,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:41:56,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:41:56,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:41:56,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:41:56,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:41:56,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:41:56,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:41:56,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:41:56,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:41:56,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:41:56,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:41:56,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:41:56,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:41:56,516 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:41:56,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-10-15 01:41:56,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276e9c59e/355378f932eb45a6913e53ce1e1d5bd9/FLAG44bbec284 [2019-10-15 01:41:57,162 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:41:57,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-10-15 01:41:57,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276e9c59e/355378f932eb45a6913e53ce1e1d5bd9/FLAG44bbec284 [2019-10-15 01:41:57,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276e9c59e/355378f932eb45a6913e53ce1e1d5bd9 [2019-10-15 01:41:57,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:41:57,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:41:57,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:41:57,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:41:57,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:41:57,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:41:57" (1/1) ... [2019-10-15 01:41:57,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52da3fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:57, skipping insertion in model container [2019-10-15 01:41:57,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:41:57" (1/1) ... [2019-10-15 01:41:57,480 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:41:57,547 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:41:58,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:41:58,112 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:41:58,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:41:58,283 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:41:58,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58 WrapperNode [2019-10-15 01:41:58,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:41:58,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:41:58,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:41:58,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:41:58,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (1/1) ... [2019-10-15 01:41:58,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (1/1) ... [2019-10-15 01:41:58,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (1/1) ... [2019-10-15 01:41:58,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (1/1) ... [2019-10-15 01:41:58,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (1/1) ... [2019-10-15 01:41:58,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (1/1) ... [2019-10-15 01:41:58,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (1/1) ... [2019-10-15 01:41:58,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:41:58,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:41:58,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:41:58,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:41:58,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (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 [2019-10-15 01:41:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:41:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:41:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:41:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:41:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:41:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:41:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:41:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:41:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:41:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:41:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:42:00,626 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:42:00,627 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:42:00,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:42:00 BoogieIcfgContainer [2019-10-15 01:42:00,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:42:00,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:42:00,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:42:00,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:42:00,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:41:57" (1/3) ... [2019-10-15 01:42:00,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13bca6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:42:00, skipping insertion in model container [2019-10-15 01:42:00,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:58" (2/3) ... [2019-10-15 01:42:00,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13bca6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:42:00, skipping insertion in model container [2019-10-15 01:42:00,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:42:00" (3/3) ... [2019-10-15 01:42:00,638 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2019-10-15 01:42:00,650 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:42:00,661 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:42:00,673 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:42:00,714 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:42:00,714 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:42:00,714 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:42:00,714 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:42:00,714 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:42:00,715 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:42:00,715 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:42:00,715 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:42:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-15 01:42:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 01:42:00,758 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:42:00,759 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] [2019-10-15 01:42:00,761 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:42:00,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:42:00,768 INFO L82 PathProgramCache]: Analyzing trace with hash -219356361, now seen corresponding path program 1 times [2019-10-15 01:42:00,777 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:42:00,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134741713] [2019-10-15 01:42:00,778 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:00,778 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:00,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:42:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:01,238 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134741713] [2019-10-15 01:42:01,240 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:42:01,240 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:42:01,240 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855261705] [2019-10-15 01:42:01,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:42:01,250 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:42:01,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:42:01,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:42:01,272 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-10-15 01:42:01,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:42:01,941 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-10-15 01:42:01,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:42:01,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-15 01:42:01,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:42:01,971 INFO L225 Difference]: With dead ends: 273 [2019-10-15 01:42:01,971 INFO L226 Difference]: Without dead ends: 175 [2019-10-15 01:42:01,979 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:42:02,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-15 01:42:02,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-10-15 01:42:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-15 01:42:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 327 transitions. [2019-10-15 01:42:02,099 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 327 transitions. Word has length 86 [2019-10-15 01:42:02,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:42:02,100 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 327 transitions. [2019-10-15 01:42:02,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:42:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 327 transitions. [2019-10-15 01:42:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-15 01:42:02,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:42:02,111 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:42:02,115 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:42:02,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:42:02,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1874051698, now seen corresponding path program 1 times [2019-10-15 01:42:02,116 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:42:02,118 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657073486] [2019-10-15 01:42:02,118 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:02,118 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:02,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:42:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:02,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657073486] [2019-10-15 01:42:02,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:42:02,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:42:02,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972570288] [2019-10-15 01:42:02,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:42:02,275 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:42:02,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:42:02,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:42:02,276 INFO L87 Difference]: Start difference. First operand 175 states and 327 transitions. Second operand 6 states. [2019-10-15 01:42:02,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:42:02,986 INFO L93 Difference]: Finished difference Result 547 states and 1064 transitions. [2019-10-15 01:42:02,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:42:02,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2019-10-15 01:42:02,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:42:02,993 INFO L225 Difference]: With dead ends: 547 [2019-10-15 01:42:02,993 INFO L226 Difference]: Without dead ends: 377 [2019-10-15 01:42:02,996 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:42:02,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-10-15 01:42:03,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 355. [2019-10-15 01:42:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2019-10-15 01:42:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 642 transitions. [2019-10-15 01:42:03,038 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 642 transitions. Word has length 101 [2019-10-15 01:42:03,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:42:03,039 INFO L462 AbstractCegarLoop]: Abstraction has 355 states and 642 transitions. [2019-10-15 01:42:03,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:42:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 642 transitions. [2019-10-15 01:42:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 01:42:03,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:42:03,043 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-15 01:42:03,044 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:42:03,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:42:03,044 INFO L82 PathProgramCache]: Analyzing trace with hash 750790761, now seen corresponding path program 1 times [2019-10-15 01:42:03,044 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:42:03,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135780185] [2019-10-15 01:42:03,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:03,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:03,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:42:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-15 01:42:03,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135780185] [2019-10-15 01:42:03,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363330651] [2019-10-15 01:42:03,167 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 [2019-10-15 01:42:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:03,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:42:03,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:42:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:03,421 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:42:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:03,508 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [404324866] [2019-10-15 01:42:03,549 INFO L162 IcfgInterpreter]: Started Sifa with 90 locations of interest [2019-10-15 01:42:03,550 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:42:03,555 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:42:03,561 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:42:03,562 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:42:03,951 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-10-15 01:42:06,157 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-10-15 01:42:06,514 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 87 for LOIs [2019-10-15 01:42:16,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-10-15 01:42:16,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-10-15 01:42:16,862 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18752 conjuctions. This might take some time... [2019-10-15 01:42:17,377 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-10-15 01:42:17,614 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18752 conjuctions. This might take some time... [2019-10-15 01:42:18,206 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 52 for LOIs [2019-10-15 01:42:18,218 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 01:42:18,500 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-10-15 01:42:18,733 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2019-10-15 01:42:19,046 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2019-10-15 01:42:19,357 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2019-10-15 01:42:19,850 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2019-10-15 01:42:20,136 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2019-10-15 01:42:20,411 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2019-10-15 01:42:20,690 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2019-10-15 01:42:21,248 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2019-10-15 01:42:21,915 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2019-10-15 01:42:22,167 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 72 [2019-10-15 01:42:25,017 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-15 01:42:25,017 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 12] total 22 [2019-10-15 01:42:25,017 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101862230] [2019-10-15 01:42:25,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-15 01:42:25,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:42:25,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-15 01:42:25,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-10-15 01:42:25,020 INFO L87 Difference]: Start difference. First operand 355 states and 642 transitions. Second operand 22 states. [2019-10-15 01:42:25,319 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-10-15 01:42:25,682 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 93 [2019-10-15 01:42:26,079 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 99 [2019-10-15 01:42:26,490 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 96 [2019-10-15 01:42:26,823 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2019-10-15 01:42:27,165 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-10-15 01:42:27,372 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-10-15 01:42:27,595 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-10-15 01:42:30,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:42:30,330 INFO L93 Difference]: Finished difference Result 882 states and 1610 transitions. [2019-10-15 01:42:30,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:42:30,331 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 109 [2019-10-15 01:42:30,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:42:30,335 INFO L225 Difference]: With dead ends: 882 [2019-10-15 01:42:30,335 INFO L226 Difference]: Without dead ends: 532 [2019-10-15 01:42:30,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 241 SyntacticMatches, 80 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1415 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2019-10-15 01:42:30,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2019-10-15 01:42:30,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 520. [2019-10-15 01:42:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-15 01:42:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 788 transitions. [2019-10-15 01:42:30,374 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 788 transitions. Word has length 109 [2019-10-15 01:42:30,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:42:30,375 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 788 transitions. [2019-10-15 01:42:30,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-15 01:42:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 788 transitions. [2019-10-15 01:42:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-15 01:42:30,378 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:42:30,379 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-15 01:42:30,579 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:42:30,580 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:42:30,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:42:30,581 INFO L82 PathProgramCache]: Analyzing trace with hash 429775466, now seen corresponding path program 1 times [2019-10-15 01:42:30,581 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:42:30,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424976018] [2019-10-15 01:42:30,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:30,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:30,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:42:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:30,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424976018] [2019-10-15 01:42:30,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567848615] [2019-10-15 01:42:30,732 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 [2019-10-15 01:42:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:30,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:42:30,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:42:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:30,938 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:42:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:31,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [911360488] [2019-10-15 01:42:31,010 INFO L162 IcfgInterpreter]: Started Sifa with 90 locations of interest [2019-10-15 01:42:31,010 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:42:31,011 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:42:31,012 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:42:31,012 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:42:31,144 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-10-15 01:42:32,528 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 83 for LOIs