/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:32:52,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:32:52,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:32:52,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:32:53,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-23 23:32:53,038 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:32:53,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:32:53,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:32:53,040 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:32:53,040 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:32:53,040 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:32:53,040 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:32:53,040 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:32:53,041 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:32:53,041 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:32:53,041 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:32:53,041 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:32:53,041 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:32:53,042 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:32:53,042 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:32:53,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:32:53,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:32:53,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:32:53,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:32:53,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:32:53,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:32:53,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:32:53,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:32:53,044 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:32:53,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:32:53,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:32:53,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:32:53,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:32:53,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:32:53,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:32:53,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:32:53,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:32:53,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:32:53,046 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:32:53,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:32:53,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:32:53,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:32:53,047 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:32:53,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:32:53,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:32:53,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:32:53,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:32:53,390 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:32:53,391 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2019-11-23 23:32:53,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32025d33e/2c066a007cad4649991c4bac341020c4/FLAG61bb917bc [2019-11-23 23:32:54,098 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:32:54,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2019-11-23 23:32:54,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32025d33e/2c066a007cad4649991c4bac341020c4/FLAG61bb917bc [2019-11-23 23:32:54,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32025d33e/2c066a007cad4649991c4bac341020c4 [2019-11-23 23:32:54,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:32:54,348 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:32:54,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:54,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:32:54,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:32:54,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:54" (1/1) ... [2019-11-23 23:32:54,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8c8d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:54, skipping insertion in model container [2019-11-23 23:32:54,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:54" (1/1) ... [2019-11-23 23:32:54,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:32:54,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:32:54,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:54,911 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:32:55,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:55,059 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:32:55,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55 WrapperNode [2019-11-23 23:32:55,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:55,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:55,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:32:55,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:32:55,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:55,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:32:55,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:32:55,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:32:55,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (1/1) ... [2019-11-23 23:32:55,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:32:55,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:32:55,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:32:55,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:32:55,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (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 [2019-11-23 23:32:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:32:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:32:57,420 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:32:57,421 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:32:57,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:57 BoogieIcfgContainer [2019-11-23 23:32:57,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:32:57,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:32:57,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:32:57,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:32:57,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:54" (1/3) ... [2019-11-23 23:32:57,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1ed4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:57, skipping insertion in model container [2019-11-23 23:32:57,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:55" (2/3) ... [2019-11-23 23:32:57,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1ed4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:57, skipping insertion in model container [2019-11-23 23:32:57,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:57" (3/3) ... [2019-11-23 23:32:57,430 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2019-11-23 23:32:57,439 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:32:57,446 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:32:57,457 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:32:57,481 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:32:57,482 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:32:57,482 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:32:57,482 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:32:57,482 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:32:57,482 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:32:57,483 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:32:57,483 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:32:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:32:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:32:57,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:57,510 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] [2019-11-23 23:32:57,510 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:57,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:57,516 INFO L82 PathProgramCache]: Analyzing trace with hash 925961487, now seen corresponding path program 1 times [2019-11-23 23:32:57,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:57,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931491499] [2019-11-23 23:32:57,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:58,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931491499] [2019-11-23 23:32:58,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:58,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:58,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566179236] [2019-11-23 23:32:58,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:58,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:58,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:58,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:58,041 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 4 states. [2019-11-23 23:32:58,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:58,871 INFO L93 Difference]: Finished difference Result 333 states and 641 transitions. [2019-11-23 23:32:58,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:58,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-11-23 23:32:58,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:58,892 INFO L225 Difference]: With dead ends: 333 [2019-11-23 23:32:58,892 INFO L226 Difference]: Without dead ends: 243 [2019-11-23 23:32:58,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:58,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-23 23:32:58,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2019-11-23 23:32:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-23 23:32:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 453 transitions. [2019-11-23 23:32:58,957 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 453 transitions. Word has length 80 [2019-11-23 23:32:58,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:58,958 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 453 transitions. [2019-11-23 23:32:58,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 453 transitions. [2019-11-23 23:32:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-23 23:32:58,963 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:58,963 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:58,964 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:58,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:58,964 INFO L82 PathProgramCache]: Analyzing trace with hash 221761966, now seen corresponding path program 1 times [2019-11-23 23:32:58,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:58,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384953605] [2019-11-23 23:32:58,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:59,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384953605] [2019-11-23 23:32:59,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:59,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:59,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872838848] [2019-11-23 23:32:59,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:59,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:59,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:59,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:59,033 INFO L87 Difference]: Start difference. First operand 243 states and 453 transitions. Second operand 4 states. [2019-11-23 23:32:59,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:59,672 INFO L93 Difference]: Finished difference Result 807 states and 1498 transitions. [2019-11-23 23:32:59,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:59,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-11-23 23:32:59,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:59,683 INFO L225 Difference]: With dead ends: 807 [2019-11-23 23:32:59,684 INFO L226 Difference]: Without dead ends: 565 [2019-11-23 23:32:59,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:59,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2019-11-23 23:32:59,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 403. [2019-11-23 23:32:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2019-11-23 23:32:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 719 transitions. [2019-11-23 23:32:59,743 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 719 transitions. Word has length 98 [2019-11-23 23:32:59,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:59,744 INFO L462 AbstractCegarLoop]: Abstraction has 403 states and 719 transitions. [2019-11-23 23:32:59,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 719 transitions. [2019-11-23 23:32:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-23 23:32:59,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:59,750 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:59,751 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:59,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:59,751 INFO L82 PathProgramCache]: Analyzing trace with hash -875183261, now seen corresponding path program 1 times [2019-11-23 23:32:59,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:59,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641021174] [2019-11-23 23:32:59,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:59,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641021174] [2019-11-23 23:32:59,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:59,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:32:59,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990032896] [2019-11-23 23:32:59,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:59,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:59,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:59,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:59,819 INFO L87 Difference]: Start difference. First operand 403 states and 719 transitions. Second operand 4 states. [2019-11-23 23:33:00,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:00,608 INFO L93 Difference]: Finished difference Result 1445 states and 2561 transitions. [2019-11-23 23:33:00,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:00,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-11-23 23:33:00,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:00,614 INFO L225 Difference]: With dead ends: 1445 [2019-11-23 23:33:00,615 INFO L226 Difference]: Without dead ends: 1043 [2019-11-23 23:33:00,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:00,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-11-23 23:33:00,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 883. [2019-11-23 23:33:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2019-11-23 23:33:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1446 transitions. [2019-11-23 23:33:00,652 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1446 transitions. Word has length 102 [2019-11-23 23:33:00,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:00,652 INFO L462 AbstractCegarLoop]: Abstraction has 883 states and 1446 transitions. [2019-11-23 23:33:00,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1446 transitions. [2019-11-23 23:33:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-23 23:33:00,661 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:00,661 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:00,661 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:00,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:00,662 INFO L82 PathProgramCache]: Analyzing trace with hash 11627192, now seen corresponding path program 1 times [2019-11-23 23:33:00,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:00,662 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277328023] [2019-11-23 23:33:00,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:33:00,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277328023] [2019-11-23 23:33:00,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:00,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:33:00,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143581787] [2019-11-23 23:33:00,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:33:00,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:00,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:33:00,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:00,761 INFO L87 Difference]: Start difference. First operand 883 states and 1446 transitions. Second operand 3 states. [2019-11-23 23:33:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:01,205 INFO L93 Difference]: Finished difference Result 2165 states and 3502 transitions. [2019-11-23 23:33:01,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:33:01,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-11-23 23:33:01,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:01,213 INFO L225 Difference]: With dead ends: 2165 [2019-11-23 23:33:01,213 INFO L226 Difference]: Without dead ends: 1283 [2019-11-23 23:33:01,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:01,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2019-11-23 23:33:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1203. [2019-11-23 23:33:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2019-11-23 23:33:01,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1718 transitions. [2019-11-23 23:33:01,246 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1718 transitions. Word has length 102 [2019-11-23 23:33:01,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:01,247 INFO L462 AbstractCegarLoop]: Abstraction has 1203 states and 1718 transitions. [2019-11-23 23:33:01,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:33:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1718 transitions. [2019-11-23 23:33:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-23 23:33:01,250 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:01,251 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:01,251 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:01,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:01,251 INFO L82 PathProgramCache]: Analyzing trace with hash -2118163695, now seen corresponding path program 1 times [2019-11-23 23:33:01,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:01,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423940553] [2019-11-23 23:33:01,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:33:01,347 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423940553] [2019-11-23 23:33:01,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:01,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:33:01,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52324481] [2019-11-23 23:33:01,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:33:01,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:01,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:33:01,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:01,349 INFO L87 Difference]: Start difference. First operand 1203 states and 1718 transitions. Second operand 3 states. [2019-11-23 23:33:01,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:01,808 INFO L93 Difference]: Finished difference Result 2883 states and 4069 transitions. [2019-11-23 23:33:01,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:33:01,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2019-11-23 23:33:01,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:01,810 INFO L225 Difference]: With dead ends: 2883 [2019-11-23 23:33:01,810 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:33:01,814 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:33:01,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:33:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:33:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:33:01,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2019-11-23 23:33:01,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:01,815 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:33:01,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:33:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:33:01,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:33:01,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:33:02,007 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:02,007 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:33:02,007 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:33:02,007 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:33:02,008 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:33:02,008 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:02,008 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:33:02,008 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-23 23:33:02,008 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:33:02,008 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:33:02,008 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:33:02,009 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:33:02,009 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:33:02,009 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:33:02,009 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:33:02,009 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:33:02,009 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:33:02,009 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:33:02,010 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:33:02,016 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:33:02,016 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:33:02,016 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:33:02,016 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:33:02,016 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:33:02,016 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:33:02,017 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:33:02,017 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:33:02,017 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:33:02,017 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:33:02,017 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:33:02,017 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:33:02,017 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:33:02,019 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:33:02,019 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:33:02,019 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:33:02,020 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:33:02,020 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:33:02,020 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:33:02,020 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:33:02,020 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 568) no Hoare annotation was computed. [2019-11-23 23:33:02,020 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:33:02,020 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:33:02,026 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:33:02,026 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:33:02,027 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 1))) (.cse2 (= ~a17~0 8)) (.cse1 (not (= ~a28~0 11)))) (or (= ~a28~0 9) (and .cse0 (= ~a11~0 1) .cse1) (= ~a19~0 1) (and .cse0 .cse2) (and .cse2 .cse1))) [2019-11-23 23:33:02,027 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:33:02,027 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:33:02,027 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:33:02,027 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:33:02,027 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:33:02,027 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:33:02,028 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:33:02,028 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:33:02,028 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:33:02,028 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:33:02,028 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 1))) (.cse2 (= ~a17~0 8)) (.cse1 (not (= ~a28~0 11)))) (or (= ~a28~0 9) (and .cse0 (= ~a11~0 1) .cse1) (= ~a19~0 1) (and .cse0 .cse2) (and .cse2 .cse1))) [2019-11-23 23:33:02,028 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:33:02,029 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:33:02,029 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:33:02,029 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:33:02,029 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:33:02,029 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:33:02,029 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:33:02,029 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:33:02,029 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:33:02,030 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:33:02,030 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:33:02,030 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:33:02,030 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:33:02,030 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:33:02,030 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:33:02,030 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:33:02,031 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:33:02,035 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:33:02,035 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:33:02,035 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:33:02,035 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:33:02,036 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:33:02,036 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:33:02,036 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:33:02,036 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:33:02,036 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:33:02,036 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:33:02,036 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:33:02,037 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:33:02,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:33:02 BoogieIcfgContainer [2019-11-23 23:33:02,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:33:02,076 INFO L168 Benchmark]: Toolchain (without parser) took 7724.14 ms. Allocated memory was 138.4 MB in the beginning and 341.3 MB in the end (delta: 202.9 MB). Free memory was 101.3 MB in the beginning and 292.8 MB in the end (delta: -191.5 MB). Peak memory consumption was 178.6 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:02,077 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-23 23:33:02,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.55 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 169.8 MB in the end (delta: -68.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:02,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.32 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 164.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:02,086 INFO L168 Benchmark]: Boogie Preprocessor took 87.25 ms. Allocated memory is still 202.9 MB. Free memory was 164.0 MB in the beginning and 159.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:02,088 INFO L168 Benchmark]: RCFGBuilder took 2133.53 ms. Allocated memory was 202.9 MB in the beginning and 251.7 MB in the end (delta: 48.8 MB). Free memory was 159.1 MB in the beginning and 195.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 115.2 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:02,088 INFO L168 Benchmark]: TraceAbstraction took 4646.76 ms. Allocated memory was 251.7 MB in the beginning and 341.3 MB in the end (delta: 89.7 MB). Free memory was 195.4 MB in the beginning and 292.8 MB in the end (delta: -97.4 MB). Peak memory consumption was 159.4 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:02,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.55 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 169.8 MB in the end (delta: -68.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 140.32 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 164.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.25 ms. Allocated memory is still 202.9 MB. Free memory was 164.0 MB in the beginning and 159.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2133.53 ms. Allocated memory was 202.9 MB in the beginning and 251.7 MB in the end (delta: 48.8 MB). Free memory was 159.1 MB in the beginning and 195.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 115.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4646.76 ms. Allocated memory was 251.7 MB in the beginning and 341.3 MB in the end (delta: 89.7 MB). Free memory was 195.4 MB in the beginning and 292.8 MB in the end (delta: -97.4 MB). Peak memory consumption was 159.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 568]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a28 == 9 || ((!(a25 == 1) && a11 == 1) && !(a28 == 11))) || a19 == 1) || (!(a25 == 1) && a17 == 8)) || (a17 == 8 && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a28 == 9 || ((!(a25 == 1) && a11 == 1) && !(a28 == 11))) || a19 == 1) || (!(a25 == 1) && a17 == 8)) || (a17 == 8 && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 280 SDtfs, 630 SDslu, 71 SDs, 0 SdLazy, 1796 SolverSat, 478 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1203occurred in iteration=4, 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, 5 MinimizatonAttempts, 402 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 71 HoareAnnotationTreeSize, 3 FomulaSimplifications, 708 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 489 NumberOfCodeBlocks, 489 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 484 ConstructedInterpolants, 0 QuantifiedInterpolants, 89175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 96/96 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...