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_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 00:58:14,786 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-10-07 00:58:14,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 00:58:14,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 00:58:14,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 00:58:14,864 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 [2019-10-07 00:58:14,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 00:58:14,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 00:58:14,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 00:58:14,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 00:58:14,892 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 00:58:14,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 00:58:14,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 00:58:14,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 00:58:14,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 00:58:14,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 00:58:14,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 00:58:14,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 00:58:14,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 00:58:14,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 00:58:14,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 00:58:14,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 00:58:14,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 00:58:14,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 00:58:14,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 00:58:14,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 00:58:14,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 00:58:14,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 00:58:14,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 00:58:14,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 00:58:14,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 00:58:14,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 00:58:14,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 00:58:14,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 00:58:14,899 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 [2019-10-07 00:58:15,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 00:58:15,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 00:58:15,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 00:58:15,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 00:58:15,244 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 00:58:15,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2019-10-07 00:58:15,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be7ee26c/c2c0ecca9a3d4304a56a145ad5be374a/FLAG56b453f19 [2019-10-07 00:58:15,907 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 00:58:15,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2019-10-07 00:58:15,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be7ee26c/c2c0ecca9a3d4304a56a145ad5be374a/FLAG56b453f19 [2019-10-07 00:58:16,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be7ee26c/c2c0ecca9a3d4304a56a145ad5be374a [2019-10-07 00:58:16,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 00:58:16,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 00:58:16,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 00:58:16,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 00:58:16,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 00:58:16,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:58:16" (1/1) ... [2019-10-07 00:58:16,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430ffa35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:16, skipping insertion in model container [2019-10-07 00:58:16,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:58:16" (1/1) ... [2019-10-07 00:58:16,169 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 00:58:16,226 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 00:58:16,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:58:16,896 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 00:58:17,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:58:17,055 INFO L192 MainTranslator]: Completed translation [2019-10-07 00:58:17,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17 WrapperNode [2019-10-07 00:58:17,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 00:58:17,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 00:58:17,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 00:58:17,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 00:58:17,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (1/1) ... [2019-10-07 00:58:17,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (1/1) ... [2019-10-07 00:58:17,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (1/1) ... [2019-10-07 00:58:17,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (1/1) ... [2019-10-07 00:58:17,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (1/1) ... [2019-10-07 00:58:17,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (1/1) ... [2019-10-07 00:58:17,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (1/1) ... [2019-10-07 00:58:17,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 00:58:17,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 00:58:17,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 00:58:17,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 00:58:17,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (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 [2019-10-07 00:58:17,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 00:58:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 00:58:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-07 00:58:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 00:58:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-07 00:58:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 00:58:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 00:58:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 00:58:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 00:58:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 00:58:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 00:58:19,343 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 00:58:19,344 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 00:58:19,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:58:19 BoogieIcfgContainer [2019-10-07 00:58:19,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 00:58:19,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 00:58:19,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 00:58:19,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 00:58:19,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:58:16" (1/3) ... [2019-10-07 00:58:19,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2768aa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:58:19, skipping insertion in model container [2019-10-07 00:58:19,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:58:17" (2/3) ... [2019-10-07 00:58:19,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2768aa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:58:19, skipping insertion in model container [2019-10-07 00:58:19,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:58:19" (3/3) ... [2019-10-07 00:58:19,354 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label47.c [2019-10-07 00:58:19,364 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 00:58:19,373 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 00:58:19,385 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 00:58:19,412 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 00:58:19,413 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 00:58:19,413 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 00:58:19,413 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 00:58:19,413 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 00:58:19,414 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 00:58:19,414 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 00:58:19,414 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 00:58:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-07 00:58:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-07 00:58:19,445 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:58:19,447 INFO L385 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] [2019-10-07 00:58:19,449 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:58:19,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:58:19,455 INFO L82 PathProgramCache]: Analyzing trace with hash -219363785, now seen corresponding path program 1 times [2019-10-07 00:58:19,464 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:58:19,464 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:58:19,464 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:58:19,465 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:58:19,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:58:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:58:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:58:19,825 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:58:19,826 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:58:19,826 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 00:58:19,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 00:58:19,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 00:58:19,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:58:19,850 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-10-07 00:58:20,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:58:20,500 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-10-07 00:58:20,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 00:58:20,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-07 00:58:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:58:20,516 INFO L225 Difference]: With dead ends: 273 [2019-10-07 00:58:20,517 INFO L226 Difference]: Without dead ends: 175 [2019-10-07 00:58:20,521 INFO L606 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 [2019-10-07 00:58:20,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-07 00:58:20,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-10-07 00:58:20,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-07 00:58:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 312 transitions. [2019-10-07 00:58:20,582 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 312 transitions. Word has length 86 [2019-10-07 00:58:20,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:58:20,583 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 312 transitions. [2019-10-07 00:58:20,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 00:58:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 312 transitions. [2019-10-07 00:58:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-07 00:58:20,588 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:58:20,588 INFO L385 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] [2019-10-07 00:58:20,589 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:58:20,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:58:20,589 INFO L82 PathProgramCache]: Analyzing trace with hash -701898564, now seen corresponding path program 1 times [2019-10-07 00:58:20,590 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:58:20,590 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:58:20,590 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:58:20,590 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:58:20,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:58:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:58:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:58:20,798 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:58:20,799 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:58:20,799 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 00:58:20,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 00:58:20,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 00:58:20,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 00:58:20,802 INFO L87 Difference]: Start difference. First operand 175 states and 312 transitions. Second operand 4 states. [2019-10-07 00:58:21,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:58:21,595 INFO L93 Difference]: Finished difference Result 681 states and 1259 transitions. [2019-10-07 00:58:21,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 00:58:21,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2019-10-07 00:58:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:58:21,604 INFO L225 Difference]: With dead ends: 681 [2019-10-07 00:58:21,604 INFO L226 Difference]: Without dead ends: 511 [2019-10-07 00:58:21,607 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 00:58:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-10-07 00:58:21,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 427. [2019-10-07 00:58:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-10-07 00:58:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 725 transitions. [2019-10-07 00:58:21,668 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 725 transitions. Word has length 94 [2019-10-07 00:58:21,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:58:21,669 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 725 transitions. [2019-10-07 00:58:21,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 00:58:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 725 transitions. [2019-10-07 00:58:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-07 00:58:21,676 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:58:21,677 INFO L385 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] [2019-10-07 00:58:21,677 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:58:21,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:58:21,677 INFO L82 PathProgramCache]: Analyzing trace with hash -2133056822, now seen corresponding path program 1 times [2019-10-07 00:58:21,678 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:58:21,678 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:58:21,678 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:58:21,678 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:58:21,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:58:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:58:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:58:21,840 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:58:21,841 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:58:21,841 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 00:58:21,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 00:58:21,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 00:58:21,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:58:21,845 INFO L87 Difference]: Start difference. First operand 427 states and 725 transitions. Second operand 3 states. [2019-10-07 00:58:22,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:58:22,298 INFO L93 Difference]: Finished difference Result 1183 states and 2050 transitions. [2019-10-07 00:58:22,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 00:58:22,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-07 00:58:22,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:58:22,300 INFO L225 Difference]: With dead ends: 1183 [2019-10-07 00:58:22,300 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 00:58:22,307 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:58:22,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 00:58:22,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 00:58:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 00:58:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 00:58:22,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-10-07 00:58:22,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:58:22,309 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 00:58:22,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 00:58:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 00:58:22,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 00:58:22,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 00:58:22,478 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 00:58:22,478 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 00:58:22,478 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-07 00:58:22,478 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-07 00:58:22,479 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-07 00:58:22,479 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-07 00:58:22,479 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-07 00:58:22,479 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-07 00:58:22,479 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-07 00:58:22,479 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-07 00:58:22,479 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-07 00:58:22,480 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-07 00:58:22,480 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-07 00:58:22,480 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-07 00:58:22,480 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-07 00:58:22,480 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-07 00:58:22,480 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-07 00:58:22,480 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-07 00:58:22,481 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-07 00:58:22,481 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-07 00:58:22,481 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-07 00:58:22,481 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-07 00:58:22,481 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-07 00:58:22,481 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-07 00:58:22,481 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-07 00:58:22,481 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-07 00:58:22,482 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-07 00:58:22,482 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-07 00:58:22,482 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-07 00:58:22,482 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-07 00:58:22,482 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-07 00:58:22,482 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-07 00:58:22,483 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-07 00:58:22,483 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-07 00:58:22,483 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-07 00:58:22,483 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-07 00:58:22,483 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-07 00:58:22,483 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-07 00:58:22,483 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-07 00:58:22,484 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-07 00:58:22,484 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-07 00:58:22,484 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-07 00:58:22,484 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-07 00:58:22,484 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-07 00:58:22,484 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-07 00:58:22,484 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-07 00:58:22,484 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-07 00:58:22,485 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-07 00:58:22,485 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-07 00:58:22,485 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-07 00:58:22,485 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-07 00:58:22,485 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-07 00:58:22,485 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-07 00:58:22,485 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-07 00:58:22,485 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-07 00:58:22,486 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-07 00:58:22,486 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (and (or (not (= ~a25~0 1)) (= 1 |old(~a25~0)|)) (or (= 11 |old(~a28~0)|) (not (= ~a28~0 11))) (or (= ~a28~0 9) (not (= 9 |old(~a28~0)|))) (or (= 1 |old(~a11~0)|) (not (= ~a11~0 1)))) [2019-10-07 00:58:22,486 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-07 00:58:22,486 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-07 00:58:22,486 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-07 00:58:22,487 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-07 00:58:22,487 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-07 00:58:22,487 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-07 00:58:22,487 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-07 00:58:22,487 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-07 00:58:22,487 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-07 00:58:22,487 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-07 00:58:22,488 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-07 00:58:22,488 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-07 00:58:22,488 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-07 00:58:22,488 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-07 00:58:22,488 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-07 00:58:22,488 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-07 00:58:22,488 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 493) no Hoare annotation was computed. [2019-10-07 00:58:22,489 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-07 00:58:22,489 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-07 00:58:22,489 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-07 00:58:22,489 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-07 00:58:22,489 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-07 00:58:22,489 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-07 00:58:22,489 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-07 00:58:22,490 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-07 00:58:22,490 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-07 00:58:22,490 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-07 00:58:22,490 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 00:58:22,490 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (not (= ~a11~0 1)) (not (= ~a28~0 11))) [2019-10-07 00:58:22,490 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 00:58:22,490 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 00:58:22,491 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (and (not (= ~a25~0 1)) (not (= ~a11~0 1)) (not (= ~a28~0 11))) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|)) [2019-10-07 00:58:22,491 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (not (= ~a25~0 1)) (not (= ~a11~0 1)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (not (= ~a28~0 11))) [2019-10-07 00:58:22,491 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-07 00:58:22,491 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-07 00:58:22,491 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (not (= ~a25~0 1)) (not (= ~a11~0 1)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (not (= ~a28~0 11))) [2019-10-07 00:58:22,491 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-07 00:58:22,491 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-07 00:58:22,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 12:58:22 BoogieIcfgContainer [2019-10-07 00:58:22,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 00:58:22,511 INFO L168 Benchmark]: Toolchain (without parser) took 6357.64 ms. Allocated memory was 144.2 MB in the beginning and 281.5 MB in the end (delta: 137.4 MB). Free memory was 105.2 MB in the beginning and 215.6 MB in the end (delta: -110.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-10-07 00:58:22,512 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 125.5 MB in the beginning and 125.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 00:58:22,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 903.52 ms. Allocated memory was 144.2 MB in the beginning and 207.1 MB in the end (delta: 62.9 MB). Free memory was 104.8 MB in the beginning and 174.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-10-07 00:58:22,514 INFO L168 Benchmark]: Boogie Preprocessor took 130.68 ms. Allocated memory is still 207.1 MB. Free memory was 174.3 MB in the beginning and 169.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-07 00:58:22,515 INFO L168 Benchmark]: RCFGBuilder took 2157.39 ms. Allocated memory was 207.1 MB in the beginning and 245.4 MB in the end (delta: 38.3 MB). Free memory was 169.7 MB in the beginning and 179.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. [2019-10-07 00:58:22,517 INFO L168 Benchmark]: TraceAbstraction took 3161.48 ms. Allocated memory was 245.4 MB in the beginning and 281.5 MB in the end (delta: 36.2 MB). Free memory was 179.7 MB in the beginning and 215.6 MB in the end (delta: -35.9 MB). Peak memory consumption was 323.5 kB. Max. memory is 7.1 GB. [2019-10-07 00:58:22,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 125.5 MB in the beginning and 125.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 903.52 ms. Allocated memory was 144.2 MB in the beginning and 207.1 MB in the end (delta: 62.9 MB). Free memory was 104.8 MB in the beginning and 174.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.68 ms. Allocated memory is still 207.1 MB. Free memory was 174.3 MB in the beginning and 169.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2157.39 ms. Allocated memory was 207.1 MB in the beginning and 245.4 MB in the end (delta: 38.3 MB). Free memory was 169.7 MB in the beginning and 179.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3161.48 ms. Allocated memory was 245.4 MB in the beginning and 281.5 MB in the end (delta: 36.2 MB). Free memory was 179.7 MB in the beginning and 215.6 MB in the end (delta: -35.9 MB). Peak memory consumption was 323.5 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 493]: 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)) || !(a11 == 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: 3.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 120 SDtfs, 177 SDslu, 51 SDs, 0 SdLazy, 950 SolverSat, 299 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 84 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 23 PreInvPairs, 41 NumberOfFragments, 115 HoareAnnotationTreeSize, 23 FomulaSimplifications, 148 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 111 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 92342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 15/15 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...