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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:41:32,272 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-10-15 01:41:32,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:41:32,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:41:32,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:41:32,356 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 01:41:32,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:41:32,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:41:32,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:41:32,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:41:32,391 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:41:32,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:41:32,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:41:32,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:41:32,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:41:32,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:41:32,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:41:32,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:41:32,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:41:32,394 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:41:32,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:41:32,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:41:32,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:41:32,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:41:32,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:41:32,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:41:32,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:41:32,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:41:32,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:41:32,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:41:32,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:41:32,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:41:32,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:41:32,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:41:32,398 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 01:41:32,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:41:32,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:41:32,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:41:32,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:41:32,680 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:41:32,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2019-10-15 01:41:32,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4d66aaf/c4d341bc3a304ab2833558a5eebf574f/FLAG2fcc74357 [2019-10-15 01:41:33,287 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:41:33,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2019-10-15 01:41:33,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4d66aaf/c4d341bc3a304ab2833558a5eebf574f/FLAG2fcc74357 [2019-10-15 01:41:33,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4d66aaf/c4d341bc3a304ab2833558a5eebf574f [2019-10-15 01:41:33,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:41:33,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:41:33,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:41:33,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:41:33,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:41:33,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:41:33" (1/1) ... [2019-10-15 01:41:33,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b02a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:33, skipping insertion in model container [2019-10-15 01:41:33,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:41:33" (1/1) ... [2019-10-15 01:41:33,588 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:41:33,646 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:41:34,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:41:34,180 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:41:34,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:41:34,302 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:41:34,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34 WrapperNode [2019-10-15 01:41:34,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:41:34,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:41:34,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:41:34,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:41:34,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (1/1) ... [2019-10-15 01:41:34,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (1/1) ... [2019-10-15 01:41:34,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (1/1) ... [2019-10-15 01:41:34,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (1/1) ... [2019-10-15 01:41:34,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (1/1) ... [2019-10-15 01:41:34,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (1/1) ... [2019-10-15 01:41:34,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (1/1) ... [2019-10-15 01:41:34,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:41:34,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:41:34,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:41:34,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:41:34,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (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 01:41:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:41:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:41:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:41:34,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:41:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:41:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:41:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:41:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:41:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:41:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:41:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:41:36,377 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:41:36,377 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:41:36,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:41:36 BoogieIcfgContainer [2019-10-15 01:41:36,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:41:36,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:41:36,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:41:36,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:41:36,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:41:33" (1/3) ... [2019-10-15 01:41:36,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a565bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:41:36, skipping insertion in model container [2019-10-15 01:41:36,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:34" (2/3) ... [2019-10-15 01:41:36,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a565bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:41:36, skipping insertion in model container [2019-10-15 01:41:36,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:41:36" (3/3) ... [2019-10-15 01:41:36,386 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2019-10-15 01:41:36,395 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:41:36,403 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:41:36,414 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:41:36,439 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:41:36,439 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:41:36,439 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:41:36,440 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:41:36,440 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:41:36,440 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:41:36,440 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:41:36,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:41:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-15 01:41:36,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 01:41:36,470 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:41:36,471 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 01:41:36,472 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:41:36,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:41:36,478 INFO L82 PathProgramCache]: Analyzing trace with hash -219363529, now seen corresponding path program 1 times [2019-10-15 01:41:36,487 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:41:36,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590657963] [2019-10-15 01:41:36,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:36,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:36,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:41:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:41:36,926 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 01:41:36,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590657963] [2019-10-15 01:41:36,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:41:36,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:41:36,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668579063] [2019-10-15 01:41:36,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:41:36,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:41:36,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:41:36,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:41:36,954 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-10-15 01:41:37,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:41:37,620 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-10-15 01:41:37,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:41:37,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-15 01:41:37,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:41:37,639 INFO L225 Difference]: With dead ends: 273 [2019-10-15 01:41:37,639 INFO L226 Difference]: Without dead ends: 175 [2019-10-15 01:41:37,643 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 01:41:37,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-15 01:41:37,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-10-15 01:41:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-15 01:41:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 327 transitions. [2019-10-15 01:41:37,709 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 327 transitions. Word has length 86 [2019-10-15 01:41:37,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:41:37,710 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 327 transitions. [2019-10-15 01:41:37,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:41:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 327 transitions. [2019-10-15 01:41:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-15 01:41:37,716 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:41:37,716 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 01:41:37,717 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:41:37,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:41:37,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1874058866, now seen corresponding path program 1 times [2019-10-15 01:41:37,718 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:41:37,718 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817092637] [2019-10-15 01:41:37,718 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:37,718 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:37,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:41:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:41:37,902 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 01:41:37,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817092637] [2019-10-15 01:41:37,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:41:37,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:41:37,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950784492] [2019-10-15 01:41:37,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:41:37,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:41:37,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:41:37,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:41:37,906 INFO L87 Difference]: Start difference. First operand 175 states and 327 transitions. Second operand 6 states. [2019-10-15 01:41:38,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:41:38,608 INFO L93 Difference]: Finished difference Result 547 states and 1064 transitions. [2019-10-15 01:41:38,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:41:38,608 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2019-10-15 01:41:38,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:41:38,617 INFO L225 Difference]: With dead ends: 547 [2019-10-15 01:41:38,617 INFO L226 Difference]: Without dead ends: 377 [2019-10-15 01:41:38,620 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 01:41:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-10-15 01:41:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 355. [2019-10-15 01:41:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2019-10-15 01:41:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 642 transitions. [2019-10-15 01:41:38,672 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 642 transitions. Word has length 101 [2019-10-15 01:41:38,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:41:38,672 INFO L462 AbstractCegarLoop]: Abstraction has 355 states and 642 transitions. [2019-10-15 01:41:38,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:41:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 642 transitions. [2019-10-15 01:41:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 01:41:38,676 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:41:38,677 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 01:41:38,677 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:41:38,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:41:38,677 INFO L82 PathProgramCache]: Analyzing trace with hash 750783593, now seen corresponding path program 1 times [2019-10-15 01:41:38,678 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:41:38,678 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577000523] [2019-10-15 01:41:38,678 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:38,678 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:38,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:41:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:41:38,773 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 01:41:38,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577000523] [2019-10-15 01:41:38,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851125036] [2019-10-15 01:41:38,774 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 01:41:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:41:38,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:41:38,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:41:39,016 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 01:41:39,017 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:41:39,120 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 01:41:39,122 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [995495488] [2019-10-15 01:41:39,175 INFO L162 IcfgInterpreter]: Started Sifa with 90 locations of interest [2019-10-15 01:41:39,176 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:41:39,185 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:41:39,199 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:41:39,201 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:41:39,524 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-10-15 01:41:40,985 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2019-10-15 01:41:41,136 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-10-15 01:41:41,592 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 135 [2019-10-15 01:41:42,147 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 87 for LOIs [2019-10-15 01:41:43,105 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-15 01:41:51,263 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-10-15 01:41:51,493 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 24760 conjuctions. This might take some time... [2019-10-15 01:41:53,512 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 29 [2019-10-15 01:41:53,733 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 27520 conjuctions. This might take some time... [2019-10-15 01:41:55,628 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 29 [2019-10-15 01:41:55,915 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 27520 conjuctions. This might take some time... [2019-10-15 01:41:57,889 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 52 for LOIs [2019-10-15 01:41:57,905 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 01:41:58,159 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2019-10-15 01:41:58,456 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2019-10-15 01:41:58,759 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2019-10-15 01:41:59,245 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2019-10-15 01:41:59,530 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2019-10-15 01:41:59,789 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2019-10-15 01:42:00,087 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2019-10-15 01:42:00,645 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2019-10-15 01:42:01,315 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2019-10-15 01:42:01,581 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 72 [2019-10-15 01:42:04,343 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:42:04,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6, 5, 5] total 21 [2019-10-15 01:42:04,344 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949750003] [2019-10-15 01:42:04,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-15 01:42:04,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:42:04,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-15 01:42:04,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2019-10-15 01:42:04,347 INFO L87 Difference]: Start difference. First operand 355 states and 642 transitions. Second operand 13 states. [2019-10-15 01:42:04,642 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-10-15 01:42:05,016 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 93 [2019-10-15 01:42:05,395 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 99 [2019-10-15 01:42:05,773 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 96 [2019-10-15 01:42:06,103 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2019-10-15 01:42:06,437 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-10-15 01:42:08,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:42:08,824 INFO L93 Difference]: Finished difference Result 880 states and 1587 transitions. [2019-10-15 01:42:08,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 01:42:08,830 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 109 [2019-10-15 01:42:08,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:42:08,833 INFO L225 Difference]: With dead ends: 880 [2019-10-15 01:42:08,834 INFO L226 Difference]: Without dead ends: 530 [2019-10-15 01:42:08,836 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 236 SyntacticMatches, 80 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1323 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2019-10-15 01:42:08,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-10-15 01:42:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 526. [2019-10-15 01:42:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2019-10-15 01:42:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 827 transitions. [2019-10-15 01:42:08,893 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 827 transitions. Word has length 109 [2019-10-15 01:42:08,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:42:08,895 INFO L462 AbstractCegarLoop]: Abstraction has 526 states and 827 transitions. [2019-10-15 01:42:08,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-15 01:42:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 827 transitions. [2019-10-15 01:42:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-10-15 01:42:08,909 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:42:08,910 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2019-10-15 01:42:09,122 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:42:09,123 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:42:09,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:42:09,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1234612482, now seen corresponding path program 1 times [2019-10-15 01:42:09,123 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:42:09,124 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037261554] [2019-10-15 01:42:09,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:09,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:09,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:42:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 01:42:09,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037261554] [2019-10-15 01:42:09,283 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184367034] [2019-10-15 01:42:09,283 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 01:42:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:09,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:42:09,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:42:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-15 01:42:09,441 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:42:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-15 01:42:09,496 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1996447416] [2019-10-15 01:42:09,500 INFO L162 IcfgInterpreter]: Started Sifa with 90 locations of interest [2019-10-15 01:42:09,500 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:42:09,501 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:42:09,501 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:42:09,501 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:42:09,627 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-10-15 01:42:10,864 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 84 for LOIs