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_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:41:45,162 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-10-15 01:41:45,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:41:45,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:41:45,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:41:45,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:41:45,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:41:45,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:41:45,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:41:45,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:41:45,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:41:45,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:41:45,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:41:45,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:41:45,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:41:45,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:41:45,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:41:45,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:41:45,235 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 01:41:45,249 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:41:45,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:41:45,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:41:45,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:41:45,251 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:41:45,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:41:45,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:41:45,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:41:45,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:41:45,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:41:45,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:41:45,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:41:45,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:41:45,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:41:45,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:41:45,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:41:45,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:41:45,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:41:45,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:41:45,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:41:45,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:41:45,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:41:45,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:41:45,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:41:45,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:41:45,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:41:45,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:41:45,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:41:45,255 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 01:41:45,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:41:45,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:41:45,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:41:45,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:41:45,555 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:41:45,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-10-15 01:41:45,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fe9db23/df040bb95c8d4c199c27e5789f250af7/FLAGd7bbb9c45 [2019-10-15 01:41:46,202 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:41:46,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-10-15 01:41:46,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fe9db23/df040bb95c8d4c199c27e5789f250af7/FLAGd7bbb9c45 [2019-10-15 01:41:46,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fe9db23/df040bb95c8d4c199c27e5789f250af7 [2019-10-15 01:41:46,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:41:46,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:41:46,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:41:46,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:41:46,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:41:46,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:41:46" (1/1) ... [2019-10-15 01:41:46,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6a1297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:46, skipping insertion in model container [2019-10-15 01:41:46,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:41:46" (1/1) ... [2019-10-15 01:41:46,482 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:41:46,542 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:41:47,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:41:47,187 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:41:47,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:41:47,363 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:41:47,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47 WrapperNode [2019-10-15 01:41:47,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:41:47,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:41:47,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:41:47,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:41:47,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (1/1) ... [2019-10-15 01:41:47,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (1/1) ... [2019-10-15 01:41:47,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (1/1) ... [2019-10-15 01:41:47,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (1/1) ... [2019-10-15 01:41:47,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (1/1) ... [2019-10-15 01:41:47,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (1/1) ... [2019-10-15 01:41:47,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (1/1) ... [2019-10-15 01:41:47,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:41:47,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:41:47,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:41:47,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:41:47,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (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 01:41:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:41:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:41:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:41:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:41:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:41:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:41:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:41:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:41:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:41:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:41:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:41:49,615 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:41:49,615 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:41:49,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:41:49 BoogieIcfgContainer [2019-10-15 01:41:49,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:41:49,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:41:49,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:41:49,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:41:49,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:41:46" (1/3) ... [2019-10-15 01:41:49,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300095ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:41:49, skipping insertion in model container [2019-10-15 01:41:49,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:47" (2/3) ... [2019-10-15 01:41:49,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300095ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:41:49, skipping insertion in model container [2019-10-15 01:41:49,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:41:49" (3/3) ... [2019-10-15 01:41:49,626 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label18.c [2019-10-15 01:41:49,637 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:41:49,646 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:41:49,658 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:41:49,686 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:41:49,686 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:41:49,686 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:41:49,686 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:41:49,687 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:41:49,687 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:41:49,687 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:41:49,687 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:41:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-15 01:41:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 01:41:49,719 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:41:49,721 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 01:41:49,723 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:41:49,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:41:49,733 INFO L82 PathProgramCache]: Analyzing trace with hash -219358665, now seen corresponding path program 1 times [2019-10-15 01:41:49,740 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:41:49,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476004213] [2019-10-15 01:41:49,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:49,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:49,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:41:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:41:50,258 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 01:41:50,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476004213] [2019-10-15 01:41:50,260 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:41:50,261 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:41:50,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290299140] [2019-10-15 01:41:50,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:41:50,271 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:41:50,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:41:50,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:41:50,293 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-10-15 01:41:50,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:41:50,906 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-10-15 01:41:50,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:41:50,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-15 01:41:50,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:41:50,931 INFO L225 Difference]: With dead ends: 273 [2019-10-15 01:41:50,931 INFO L226 Difference]: Without dead ends: 175 [2019-10-15 01:41:50,937 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 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 01:41:50,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-15 01:41:51,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-10-15 01:41:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-15 01:41:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 312 transitions. [2019-10-15 01:41:51,030 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 312 transitions. Word has length 86 [2019-10-15 01:41:51,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:41:51,031 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 312 transitions. [2019-10-15 01:41:51,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:41:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 312 transitions. [2019-10-15 01:41:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 01:41:51,037 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:41:51,037 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:41:51,038 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:41:51,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:41:51,041 INFO L82 PathProgramCache]: Analyzing trace with hash -701893444, now seen corresponding path program 1 times [2019-10-15 01:41:51,041 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:41:51,041 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778078268] [2019-10-15 01:41:51,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:51,042 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:51,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:41:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:41:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:41:51,220 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778078268] [2019-10-15 01:41:51,220 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:41:51,220 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:41:51,220 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735263885] [2019-10-15 01:41:51,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:41:51,223 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:41:51,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:41:51,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:41:51,223 INFO L87 Difference]: Start difference. First operand 175 states and 312 transitions. Second operand 3 states. [2019-10-15 01:41:51,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:41:51,663 INFO L93 Difference]: Finished difference Result 513 states and 937 transitions. [2019-10-15 01:41:51,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:41:51,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-15 01:41:51,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:41:51,670 INFO L225 Difference]: With dead ends: 513 [2019-10-15 01:41:51,670 INFO L226 Difference]: Without dead ends: 343 [2019-10-15 01:41:51,672 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 01:41:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-15 01:41:51,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-10-15 01:41:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-15 01:41:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 575 transitions. [2019-10-15 01:41:51,714 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 575 transitions. Word has length 94 [2019-10-15 01:41:51,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:41:51,715 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 575 transitions. [2019-10-15 01:41:51,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:41:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 575 transitions. [2019-10-15 01:41:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:41:51,723 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:41:51,724 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:41:51,724 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:41:51,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:41:51,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1307297121, now seen corresponding path program 1 times [2019-10-15 01:41:51,725 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:41:51,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494369043] [2019-10-15 01:41:51,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:51,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:51,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:41:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:41:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:41:51,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494369043] [2019-10-15 01:41:51,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:41:51,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:41:51,820 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77168686] [2019-10-15 01:41:51,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:41:51,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:41:51,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:41:51,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:41:51,823 INFO L87 Difference]: Start difference. First operand 343 states and 575 transitions. Second operand 6 states. [2019-10-15 01:41:52,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:41:52,500 INFO L93 Difference]: Finished difference Result 1059 states and 1887 transitions. [2019-10-15 01:41:52,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:41:52,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-15 01:41:52,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:41:52,511 INFO L225 Difference]: With dead ends: 1059 [2019-10-15 01:41:52,512 INFO L226 Difference]: Without dead ends: 721 [2019-10-15 01:41:52,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 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 01:41:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2019-10-15 01:41:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 703. [2019-10-15 01:41:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2019-10-15 01:41:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1170 transitions. [2019-10-15 01:41:52,576 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1170 transitions. Word has length 108 [2019-10-15 01:41:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:41:52,577 INFO L462 AbstractCegarLoop]: Abstraction has 703 states and 1170 transitions. [2019-10-15 01:41:52,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:41:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1170 transitions. [2019-10-15 01:41:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-15 01:41:52,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:41:52,586 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:52,586 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:41:52,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:41:52,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2071208683, now seen corresponding path program 1 times [2019-10-15 01:41:52,587 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:41:52,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878778062] [2019-10-15 01:41:52,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:52,588 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:41:52,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:41:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:41:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:41:52,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878778062] [2019-10-15 01:41:52,741 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:41:52,741 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:41:52,741 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307859539] [2019-10-15 01:41:52,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:41:52,742 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:41:52,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:41:52,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:41:52,743 INFO L87 Difference]: Start difference. First operand 703 states and 1170 transitions. Second operand 6 states. [2019-10-15 01:41:53,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:41:53,527 INFO L93 Difference]: Finished difference Result 1781 states and 3029 transitions. [2019-10-15 01:41:53,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:41:53,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2019-10-15 01:41:53,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:41:53,528 INFO L225 Difference]: With dead ends: 1781 [2019-10-15 01:41:53,528 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:41:53,533 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 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 01:41:53,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:41:53,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:41:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:41:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:41:53,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2019-10-15 01:41:53,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:41:53,534 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:41:53,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:41:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:41:53,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:41:53,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:41:53,801 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2019-10-15 01:41:53,853 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2019-10-15 01:41:53,854 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:41:53,854 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-15 01:41:53,854 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-15 01:41:53,854 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-15 01:41:53,854 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-15 01:41:53,854 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-15 01:41:53,855 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-15 01:41:53,855 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-15 01:41:53,855 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-15 01:41:53,855 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-15 01:41:53,855 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-15 01:41:53,855 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-15 01:41:53,855 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-15 01:41:53,856 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-15 01:41:53,856 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-15 01:41:53,856 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-15 01:41:53,856 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-15 01:41:53,856 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-15 01:41:53,856 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-15 01:41:53,856 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-15 01:41:53,857 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-15 01:41:53,857 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-15 01:41:53,857 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-15 01:41:53,857 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-15 01:41:53,857 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-15 01:41:53,857 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-15 01:41:53,857 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-15 01:41:53,858 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-15 01:41:53,858 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-15 01:41:53,858 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-15 01:41:53,858 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2019-10-15 01:41:53,858 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-15 01:41:53,859 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-15 01:41:53,859 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-15 01:41:53,859 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-15 01:41:53,859 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-15 01:41:53,859 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-15 01:41:53,859 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-15 01:41:53,859 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-15 01:41:53,860 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-15 01:41:53,860 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-15 01:41:53,860 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-15 01:41:53,860 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-15 01:41:53,860 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-15 01:41:53,860 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-15 01:41:53,860 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-15 01:41:53,860 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-15 01:41:53,861 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-15 01:41:53,861 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-15 01:41:53,861 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-15 01:41:53,861 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-15 01:41:53,861 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-15 01:41:53,861 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-15 01:41:53,861 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-15 01:41:53,862 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-15 01:41:53,862 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-15 01:41:53,862 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-15 01:41:53,862 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-15 01:41:53,862 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-15 01:41:53,862 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= 1 |old(~a25~0)|)) (.cse2 (= 11 |old(~a28~0)|)) (.cse3 (= 1 |old(~a11~0)|)) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse4 (not (= 1 ~a11~0))) (.cse6 (= ~a19~0 1)) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a25~0 |old(~a25~0)|))) (and (or (and .cse0 .cse1) .cse2) (or .cse3 (and .cse4 .cse0 .cse1) .cse5) (or .cse6 .cse7 .cse2) (or .cse7 (and .cse6 .cse0 .cse1) .cse5) (or .cse3 .cse4 .cse2) (or .cse3 .cse7 (and .cse4 .cse6 .cse0 .cse1)))) [2019-10-15 01:41:53,863 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-15 01:41:53,863 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-15 01:41:53,863 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-15 01:41:53,863 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-15 01:41:53,863 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-15 01:41:53,863 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-15 01:41:53,864 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-15 01:41:53,864 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-15 01:41:53,864 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-15 01:41:53,864 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-15 01:41:53,864 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-15 01:41:53,864 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-15 01:41:53,864 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-15 01:41:53,865 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-15 01:41:53,865 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-15 01:41:53,865 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-15 01:41:53,865 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-15 01:41:53,865 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-15 01:41:53,865 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-15 01:41:53,865 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-15 01:41:53,866 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-15 01:41:53,866 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-15 01:41:53,866 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-15 01:41:53,866 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:41:53,866 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= 1 ~a11~0)) (not (= ~a25~0 1)) (= ~a19~0 1) (not (= ~a28~0 11))) [2019-10-15 01:41:53,866 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:41:53,866 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:41:53,867 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (and (not (= 1 ~a11~0)) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) [2019-10-15 01:41:53,867 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse2 (not (= 1 ~a11~0))) (.cse0 (not (= ~a25~0 1)))) (or (= 1 |old(~a11~0)|) (and .cse0 .cse1) (and .cse2 .cse1) (not (= 1 |old(~a19~0)|)) (and .cse2 .cse0) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (not (= ~a28~0 11)))) [2019-10-15 01:41:53,867 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-15 01:41:53,867 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-15 01:41:53,867 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse2 (not (= 1 ~a11~0))) (.cse0 (not (= ~a25~0 1)))) (or (= 1 |old(~a11~0)|) (and .cse0 .cse1) (and .cse2 .cse1) (not (= 1 |old(~a19~0)|)) (and .cse2 .cse0) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (not (= ~a28~0 11)))) [2019-10-15 01:41:53,868 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-15 01:41:53,868 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-15 01:41:53,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:41:53 BoogieIcfgContainer [2019-10-15 01:41:53,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:41:53,887 INFO L168 Benchmark]: Toolchain (without parser) took 7424.68 ms. Allocated memory was 138.4 MB in the beginning and 297.8 MB in the end (delta: 159.4 MB). Free memory was 102.2 MB in the beginning and 160.5 MB in the end (delta: -58.3 MB). Peak memory consumption was 101.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:41:53,888 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:41:53,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.95 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 170.4 MB in the end (delta: -68.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:41:53,890 INFO L168 Benchmark]: Boogie Preprocessor took 127.94 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:41:53,891 INFO L168 Benchmark]: RCFGBuilder took 2122.48 ms. Allocated memory was 203.9 MB in the beginning and 251.1 MB in the end (delta: 47.2 MB). Free memory was 165.5 MB in the beginning and 201.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:41:53,892 INFO L168 Benchmark]: TraceAbstraction took 4266.78 ms. Allocated memory was 251.1 MB in the beginning and 297.8 MB in the end (delta: 46.7 MB). Free memory was 201.2 MB in the beginning and 160.5 MB in the end (delta: 40.7 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:41:53,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 902.95 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 170.4 MB in the end (delta: -68.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.94 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2122.48 ms. Allocated memory was 203.9 MB in the beginning and 251.1 MB in the end (delta: 47.2 MB). Free memory was 165.5 MB in the beginning and 201.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4266.78 ms. Allocated memory was 251.1 MB in the beginning and 297.8 MB in the end (delta: 46.7 MB). Free memory was 201.2 MB in the beginning and 160.5 MB in the end (delta: 40.7 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 553]: 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: 606]: Loop Invariant Derived loop invariant: ((((((1 == \old(a11) || (!(a25 == 1) && a19 == 1)) || (!(1 == a11) && a19 == 1)) || !(1 == \old(a19))) || (!(1 == a11) && !(a25 == 1))) || 11 == \old(a28)) || 1 == \old(a25)) || !(a28 == 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 1 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 144 SDtfs, 689 SDslu, 117 SDs, 0 SdLazy, 1404 SolverSat, 390 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=703occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 35 PreInvPairs, 63 NumberOfFragments, 230 HoareAnnotationTreeSize, 35 FomulaSimplifications, 466 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 216 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 101941 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 49/49 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...