/usr/bin/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_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:41:09,433 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-07 01:41:09,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:41:09,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:41:09,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:41:09,516 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 [2019-11-07 01:41:09,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:41:09,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:41:09,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:41:09,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:41:09,531 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:41:09,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:41:09,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:41:09,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:41:09,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:41:09,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:41:09,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:41:09,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:41:09,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:41:09,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:41:09,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:41:09,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:41:09,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:41:09,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:41:09,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:41:09,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:41:09,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:41:09,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:41:09,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:41:09,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:41:09,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:41:09,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:41:09,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:41:09,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:41:09,536 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 [2019-11-07 01:41:09,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:41:09,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:41:09,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:41:09,830 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:41:09,830 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:41:09,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2019-11-07 01:41:09,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53644b4dd/0120bb4debe2442981f99efe6a4a346e/FLAG1396b5abd [2019-11-07 01:41:10,445 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:41:10,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2019-11-07 01:41:10,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53644b4dd/0120bb4debe2442981f99efe6a4a346e/FLAG1396b5abd [2019-11-07 01:41:10,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53644b4dd/0120bb4debe2442981f99efe6a4a346e [2019-11-07 01:41:10,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:41:10,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:41:10,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:41:10,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:41:10,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:41:10,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:10" (1/1) ... [2019-11-07 01:41:10,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcc3485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:10, skipping insertion in model container [2019-11-07 01:41:10,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:10" (1/1) ... [2019-11-07 01:41:10,799 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:41:10,857 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:41:11,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:41:11,365 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:41:11,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:41:11,499 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:41:11,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11 WrapperNode [2019-11-07 01:41:11,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:41:11,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:41:11,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:41:11,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:41:11,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (1/1) ... [2019-11-07 01:41:11,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (1/1) ... [2019-11-07 01:41:11,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (1/1) ... [2019-11-07 01:41:11,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (1/1) ... [2019-11-07 01:41:11,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (1/1) ... [2019-11-07 01:41:11,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (1/1) ... [2019-11-07 01:41:11,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (1/1) ... [2019-11-07 01:41:11,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:41:11,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:41:11,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:41:11,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:41:11,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (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 [2019-11-07 01:41:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:41:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:41:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:41:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:41:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:41:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:41:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:41:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:41:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:41:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:41:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:41:13,726 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:41:13,726 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:41:13,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:41:13 BoogieIcfgContainer [2019-11-07 01:41:13,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:41:13,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:41:13,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:41:13,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:41:13,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:41:10" (1/3) ... [2019-11-07 01:41:13,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ede67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:41:13, skipping insertion in model container [2019-11-07 01:41:13,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:11" (2/3) ... [2019-11-07 01:41:13,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ede67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:41:13, skipping insertion in model container [2019-11-07 01:41:13,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:41:13" (3/3) ... [2019-11-07 01:41:13,737 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label58.c [2019-11-07 01:41:13,748 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:41:13,758 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:41:13,771 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:41:13,799 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:41:13,799 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:41:13,800 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:41:13,800 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:41:13,800 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:41:13,801 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:41:13,801 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:41:13,801 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:41:13,823 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-07 01:41:13,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-07 01:41:13,834 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:41:13,836 INFO L410 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] [2019-11-07 01:41:13,838 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:41:13,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:41:13,845 INFO L82 PathProgramCache]: Analyzing trace with hash -219364809, now seen corresponding path program 1 times [2019-11-07 01:41:13,856 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:41:13,856 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125091611] [2019-11-07 01:41:13,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:41:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:41:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:41:14,260 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125091611] [2019-11-07 01:41:14,261 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:41:14,262 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:41:14,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147432437] [2019-11-07 01:41:14,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:41:14,273 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:41:14,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:41:14,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:41:14,291 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-11-07 01:41:14,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:41:14,944 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-11-07 01:41:14,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:41:14,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-11-07 01:41:14,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:41:14,962 INFO L225 Difference]: With dead ends: 273 [2019-11-07 01:41:14,962 INFO L226 Difference]: Without dead ends: 175 [2019-11-07 01:41:14,966 INFO L630 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 [2019-11-07 01:41:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-07 01:41:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-11-07 01:41:15,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-07 01:41:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 317 transitions. [2019-11-07 01:41:15,029 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 317 transitions. Word has length 86 [2019-11-07 01:41:15,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:41:15,030 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 317 transitions. [2019-11-07 01:41:15,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:41:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 317 transitions. [2019-11-07 01:41:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 01:41:15,036 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:41:15,036 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:41:15,037 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:41:15,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:41:15,037 INFO L82 PathProgramCache]: Analyzing trace with hash -2133057846, now seen corresponding path program 1 times [2019-11-07 01:41:15,038 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:41:15,038 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202356884] [2019-11-07 01:41:15,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:41:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:41:15,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:41:15,187 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202356884] [2019-11-07 01:41:15,187 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:41:15,187 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:41:15,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638201418] [2019-11-07 01:41:15,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:41:15,189 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:41:15,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:41:15,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:41:15,190 INFO L87 Difference]: Start difference. First operand 175 states and 317 transitions. Second operand 3 states. [2019-11-07 01:41:15,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:41:15,608 INFO L93 Difference]: Finished difference Result 513 states and 952 transitions. [2019-11-07 01:41:15,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:41:15,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-07 01:41:15,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:41:15,616 INFO L225 Difference]: With dead ends: 513 [2019-11-07 01:41:15,617 INFO L226 Difference]: Without dead ends: 343 [2019-11-07 01:41:15,619 INFO L630 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 [2019-11-07 01:41:15,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-11-07 01:41:15,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-11-07 01:41:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-11-07 01:41:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 585 transitions. [2019-11-07 01:41:15,652 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 585 transitions. Word has length 99 [2019-11-07 01:41:15,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:41:15,653 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 585 transitions. [2019-11-07 01:41:15,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:41:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 585 transitions. [2019-11-07 01:41:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-07 01:41:15,657 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:41:15,658 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:41:15,658 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:41:15,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:41:15,658 INFO L82 PathProgramCache]: Analyzing trace with hash 743435013, now seen corresponding path program 1 times [2019-11-07 01:41:15,659 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:41:15,659 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914351613] [2019-11-07 01:41:15,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:41:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:41:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:41:15,756 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914351613] [2019-11-07 01:41:15,756 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:41:15,756 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:41:15,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346262088] [2019-11-07 01:41:15,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:41:15,757 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:41:15,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:41:15,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:41:15,758 INFO L87 Difference]: Start difference. First operand 343 states and 585 transitions. Second operand 6 states. [2019-11-07 01:41:16,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:41:16,186 INFO L93 Difference]: Finished difference Result 611 states and 1055 transitions. [2019-11-07 01:41:16,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:41:16,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2019-11-07 01:41:16,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:41:16,188 INFO L225 Difference]: With dead ends: 611 [2019-11-07 01:41:16,188 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:41:16,192 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:41:16,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:41:16,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:41:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:41:16,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:41:16,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2019-11-07 01:41:16,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:41:16,194 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:41:16,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:41:16,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:41:16,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:41:16,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:41:16,387 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~a17~0 |old(~a17~0)|) [2019-11-07 01:41:16,387 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:41:16,388 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-07 01:41:16,388 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-07 01:41:16,388 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-07 01:41:16,389 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-07 01:41:16,389 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-07 01:41:16,389 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-07 01:41:16,389 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-07 01:41:16,389 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-07 01:41:16,390 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-07 01:41:16,390 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-07 01:41:16,390 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-07 01:41:16,390 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-07 01:41:16,390 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-07 01:41:16,390 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-07 01:41:16,390 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-07 01:41:16,391 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-07 01:41:16,391 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-07 01:41:16,391 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-07 01:41:16,391 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-07 01:41:16,391 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-07 01:41:16,391 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-07 01:41:16,391 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-07 01:41:16,391 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-07 01:41:16,392 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-07 01:41:16,392 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-07 01:41:16,392 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-07 01:41:16,392 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-07 01:41:16,392 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-07 01:41:16,392 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-07 01:41:16,392 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-07 01:41:16,393 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-07 01:41:16,393 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-07 01:41:16,393 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-07 01:41:16,393 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-07 01:41:16,393 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-07 01:41:16,393 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-07 01:41:16,393 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-11-07 01:41:16,393 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-11-07 01:41:16,394 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-07 01:41:16,394 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-07 01:41:16,394 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-07 01:41:16,394 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-07 01:41:16,394 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-07 01:41:16,394 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-07 01:41:16,394 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-07 01:41:16,394 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-07 01:41:16,395 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-07 01:41:16,395 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-07 01:41:16,395 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-07 01:41:16,395 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-07 01:41:16,395 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-07 01:41:16,395 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-07 01:41:16,395 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-07 01:41:16,395 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-07 01:41:16,396 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-07 01:41:16,396 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-07 01:41:16,396 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-07 01:41:16,396 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-11-07 01:41:16,396 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= 9 |old(~a17~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|))) (and (or (and .cse0 (= ~a19~0 1)) (not (= 1 |old(~a19~0)|)) .cse1) (or .cse1 (= 11 |old(~a28~0)|) (and .cse0 (not (= ~a28~0 11)))))) [2019-11-07 01:41:16,396 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-07 01:41:16,397 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-07 01:41:16,397 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-07 01:41:16,397 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-07 01:41:16,397 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-07 01:41:16,397 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-07 01:41:16,397 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-07 01:41:16,397 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-07 01:41:16,398 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-07 01:41:16,398 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-07 01:41:16,398 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-07 01:41:16,398 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-07 01:41:16,398 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-07 01:41:16,398 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-07 01:41:16,398 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-07 01:41:16,399 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-07 01:41:16,399 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-07 01:41:16,399 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-07 01:41:16,399 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-07 01:41:16,399 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-07 01:41:16,399 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-07 01:41:16,399 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-07 01:41:16,399 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-07 01:41:16,400 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:41:16,400 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (not (= ~a17~0 9)) (not (= ~a28~0 11))) [2019-11-07 01:41:16,400 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:41:16,400 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:41:16,400 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (= 9 |old(~a17~0)|) (= 11 |old(~a28~0)|) (and (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (not (= ~a28~0 11)))) [2019-11-07 01:41:16,400 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 9)))) (or (not (= 1 |old(~a19~0)|)) (= 9 |old(~a17~0)|) (and .cse0 (not (= ~a28~0 11))) (= 11 |old(~a28~0)|) (and (= ~a19~0 1) .cse0))) [2019-11-07 01:41:16,401 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-11-07 01:41:16,401 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-11-07 01:41:16,401 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 9)))) (or (not (= 1 |old(~a19~0)|)) (= 9 |old(~a17~0)|) (and .cse0 (not (= ~a28~0 11))) (= 11 |old(~a28~0)|) (and (= ~a19~0 1) .cse0))) [2019-11-07 01:41:16,401 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-11-07 01:41:16,401 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-07 01:41:16,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:41:16 BoogieIcfgContainer [2019-11-07 01:41:16,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:41:16,420 INFO L168 Benchmark]: Toolchain (without parser) took 5662.63 ms. Allocated memory was 137.9 MB in the beginning and 298.8 MB in the end (delta: 161.0 MB). Free memory was 101.4 MB in the beginning and 196.1 MB in the end (delta: -94.7 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:41:16,421 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 01:41:16,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.78 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.2 MB in the beginning and 168.9 MB in the end (delta: -67.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:41:16,423 INFO L168 Benchmark]: Boogie Preprocessor took 114.19 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 164.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:41:16,424 INFO L168 Benchmark]: RCFGBuilder took 2112.04 ms. Allocated memory was 202.9 MB in the beginning and 252.2 MB in the end (delta: 49.3 MB). Free memory was 164.0 MB in the beginning and 207.4 MB in the end (delta: -43.4 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:41:16,425 INFO L168 Benchmark]: TraceAbstraction took 2688.86 ms. Allocated memory was 252.2 MB in the beginning and 298.8 MB in the end (delta: 46.7 MB). Free memory was 207.4 MB in the beginning and 196.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:41:16,430 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.78 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.2 MB in the beginning and 168.9 MB in the end (delta: -67.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.19 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 164.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2112.04 ms. Allocated memory was 202.9 MB in the beginning and 252.2 MB in the end (delta: 49.3 MB). Free memory was 164.0 MB in the beginning and 207.4 MB in the end (delta: -43.4 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2688.86 ms. Allocated memory was 252.2 MB in the beginning and 298.8 MB in the end (delta: 46.7 MB). Free memory was 207.4 MB in the beginning and 196.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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(a19)) || 9 == \old(a17)) || (!(a17 == 9) && !(a28 == 11))) || 11 == \old(a28)) || (a19 == 1 && !(a17 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 80 SDtfs, 347 SDslu, 37 SDs, 0 SdLazy, 746 SolverSat, 242 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=343occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 19 PreInvPairs, 31 NumberOfFragments, 125 HoareAnnotationTreeSize, 19 FomulaSimplifications, 100 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 78994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 30/30 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...