/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_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:32:16,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:32:16,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:32:16,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:32:16,782 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 23:32:16,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:32:16,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:32:16,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:32:16,804 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:32:16,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:32:16,804 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:32:16,804 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:32:16,804 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:32:16,804 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:32:16,805 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:32:16,806 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:32:16,806 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:32:16,806 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:32:16,807 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:32:16,807 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:32:16,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:32:16,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:32:16,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:32:16,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:32:16,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:32:16,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:32:16,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:32:16,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:32:16,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:32:16,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:32:16,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:32:16,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:32:16,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:32:16,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:32:16,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:32:16,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:32:16,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:32:16,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:32:16,813 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:32:16,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:32:16,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:32:16,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:32:16,814 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:32:17,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:32:17,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:32:17,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:32:17,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:32:17,090 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:32:17,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2019-11-23 23:32:17,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afc9715e9/b7e9d3db0a8b4aa59e0aa4a7beef0100/FLAGb3d18f52b [2019-11-23 23:32:17,735 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:32:17,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2019-11-23 23:32:17,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afc9715e9/b7e9d3db0a8b4aa59e0aa4a7beef0100/FLAGb3d18f52b [2019-11-23 23:32:18,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afc9715e9/b7e9d3db0a8b4aa59e0aa4a7beef0100 [2019-11-23 23:32:18,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:32:18,060 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:32:18,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:18,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:32:18,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:32:18,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62caf65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18, skipping insertion in model container [2019-11-23 23:32:18,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:32:18,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:32:18,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:18,659 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:32:18,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:18,831 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:32:18,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18 WrapperNode [2019-11-23 23:32:18,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:18,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:18,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:32:18,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:32:18,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:18,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:32:18,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:32:18,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:32:18,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:19,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:19,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:19,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:32:19,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:32:19,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:32:19,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:32:19,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (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 23:32:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:32:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:32:21,583 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:32:21,583 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:32:21,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:21 BoogieIcfgContainer [2019-11-23 23:32:21,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:32:21,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:32:21,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:32:21,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:32:21,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:18" (1/3) ... [2019-11-23 23:32:21,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad7a425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:21, skipping insertion in model container [2019-11-23 23:32:21,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18" (2/3) ... [2019-11-23 23:32:21,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad7a425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:21, skipping insertion in model container [2019-11-23 23:32:21,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:21" (3/3) ... [2019-11-23 23:32:21,593 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label17.c [2019-11-23 23:32:21,604 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:32:21,613 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:32:21,626 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:32:21,662 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:32:21,662 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:32:21,662 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:32:21,663 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:32:21,663 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:32:21,663 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:32:21,663 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:32:21,663 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:32:21,690 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:32:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:32:21,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:21,703 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 23:32:21,704 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:21,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:21,712 INFO L82 PathProgramCache]: Analyzing trace with hash 925958159, now seen corresponding path program 1 times [2019-11-23 23:32:21,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:21,724 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348169048] [2019-11-23 23:32:21,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:22,186 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 23:32:22,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348169048] [2019-11-23 23:32:22,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:22,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:22,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715168689] [2019-11-23 23:32:22,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:22,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:22,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:22,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:22,214 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 4 states. [2019-11-23 23:32:22,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:22,943 INFO L93 Difference]: Finished difference Result 333 states and 641 transitions. [2019-11-23 23:32:22,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:22,945 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-11-23 23:32:22,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:22,960 INFO L225 Difference]: With dead ends: 333 [2019-11-23 23:32:22,961 INFO L226 Difference]: Without dead ends: 243 [2019-11-23 23:32:22,965 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 23:32:22,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-23 23:32:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2019-11-23 23:32:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-23 23:32:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 453 transitions. [2019-11-23 23:32:23,049 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 453 transitions. Word has length 80 [2019-11-23 23:32:23,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:23,049 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 453 transitions. [2019-11-23 23:32:23,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 453 transitions. [2019-11-23 23:32:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-23 23:32:23,055 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:23,055 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 23:32:23,055 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:23,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:23,056 INFO L82 PathProgramCache]: Analyzing trace with hash 221758638, now seen corresponding path program 1 times [2019-11-23 23:32:23,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:23,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951758704] [2019-11-23 23:32:23,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:23,130 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 23:32:23,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951758704] [2019-11-23 23:32:23,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:23,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:23,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761952417] [2019-11-23 23:32:23,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:23,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:23,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:23,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:23,134 INFO L87 Difference]: Start difference. First operand 243 states and 453 transitions. Second operand 4 states. [2019-11-23 23:32:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:23,723 INFO L93 Difference]: Finished difference Result 805 states and 1497 transitions. [2019-11-23 23:32:23,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:23,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-11-23 23:32:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:23,728 INFO L225 Difference]: With dead ends: 805 [2019-11-23 23:32:23,728 INFO L226 Difference]: Without dead ends: 563 [2019-11-23 23:32:23,731 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 23:32:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2019-11-23 23:32:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 403. [2019-11-23 23:32:23,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2019-11-23 23:32:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 718 transitions. [2019-11-23 23:32:23,760 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 718 transitions. Word has length 98 [2019-11-23 23:32:23,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:23,761 INFO L462 AbstractCegarLoop]: Abstraction has 403 states and 718 transitions. [2019-11-23 23:32:23,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 718 transitions. [2019-11-23 23:32:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-23 23:32:23,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:23,766 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 23:32:23,766 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:23,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:23,767 INFO L82 PathProgramCache]: Analyzing trace with hash 11623864, now seen corresponding path program 1 times [2019-11-23 23:32:23,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:23,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688165708] [2019-11-23 23:32:23,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:23,867 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 23:32:23,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688165708] [2019-11-23 23:32:23,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:23,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:32:23,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146442706] [2019-11-23 23:32:23,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:32:23,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:23,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:32:23,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:23,873 INFO L87 Difference]: Start difference. First operand 403 states and 718 transitions. Second operand 3 states. [2019-11-23 23:32:24,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:24,277 INFO L93 Difference]: Finished difference Result 1125 states and 1996 transitions. [2019-11-23 23:32:24,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:32:24,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-11-23 23:32:24,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:24,284 INFO L225 Difference]: With dead ends: 1125 [2019-11-23 23:32:24,285 INFO L226 Difference]: Without dead ends: 723 [2019-11-23 23:32:24,289 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 23:32:24,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-11-23 23:32:24,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 643. [2019-11-23 23:32:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-11-23 23:32:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1033 transitions. [2019-11-23 23:32:24,335 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1033 transitions. Word has length 102 [2019-11-23 23:32:24,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:24,336 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 1033 transitions. [2019-11-23 23:32:24,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:32:24,336 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1033 transitions. [2019-11-23 23:32:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-23 23:32:24,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:24,350 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-23 23:32:24,350 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:24,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:24,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1587446762, now seen corresponding path program 1 times [2019-11-23 23:32:24,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:24,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24490015] [2019-11-23 23:32:24,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-23 23:32:24,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24490015] [2019-11-23 23:32:24,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:24,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:32:24,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454168994] [2019-11-23 23:32:24,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:24,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:24,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:24,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:24,476 INFO L87 Difference]: Start difference. First operand 643 states and 1033 transitions. Second operand 4 states. [2019-11-23 23:32:25,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:25,194 INFO L93 Difference]: Finished difference Result 2083 states and 3284 transitions. [2019-11-23 23:32:25,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:25,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-11-23 23:32:25,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:25,196 INFO L225 Difference]: With dead ends: 2083 [2019-11-23 23:32:25,196 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:32:25,198 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 23:32:25,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:32:25,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:32:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:32:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:32:25,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 128 [2019-11-23 23:32:25,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:25,200 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:32:25,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:32:25,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:32:25,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:32:25,328 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:32:25,328 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:32:25,329 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:32:25,329 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:32:25,329 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:32:25,329 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:32:25,329 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:32:25,329 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:32:25,329 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:32:25,329 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:32:25,330 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:32:25,330 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:32:25,330 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:32:25,330 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:32:25,330 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:32:25,330 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:32:25,330 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:32:25,330 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:32:25,331 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:32:25,331 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:32:25,331 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:32:25,331 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:32:25,331 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:32:25,331 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:32:25,333 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:32:25,333 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:32:25,333 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:32:25,333 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:32:25,333 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:32:25,334 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:32:25,334 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:32:25,334 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:32:25,334 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:32:25,334 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:32:25,334 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:32:25,334 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:32:25,334 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:32:25,335 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 529) no Hoare annotation was computed. [2019-11-23 23:32:25,335 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:32:25,335 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:32:25,335 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-23 23:32:25,335 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:32:25,335 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:32:25,335 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:32:25,336 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 .cse1) (= ~a19~0 1) (and .cse0 .cse2) (and .cse2 .cse1))) [2019-11-23 23:32:25,336 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:32:25,336 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:32:25,336 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:32:25,336 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:32:25,337 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:32:25,337 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:32:25,337 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:32:25,337 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:32:25,337 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:32:25,337 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:32:25,339 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 .cse1) (= ~a19~0 1) (and .cse0 .cse2) (and .cse2 .cse1))) [2019-11-23 23:32:25,340 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:32:25,340 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:32:25,340 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:32:25,340 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:32:25,341 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:32:25,341 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:32:25,341 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:32:25,342 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:32:25,342 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:32:25,342 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:32:25,342 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:32:25,342 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:32:25,342 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:32:25,342 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:32:25,342 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:32:25,343 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:32:25,343 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:32:25,343 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:32:25,343 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:32:25,343 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:32:25,348 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:32:25,349 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:32:25,349 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:32:25,349 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:32:25,349 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:32:25,349 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:32:25,350 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:32:25,356 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:32:25,356 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:32:25,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:32:25 BoogieIcfgContainer [2019-11-23 23:32:25,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:32:25,390 INFO L168 Benchmark]: Toolchain (without parser) took 7328.63 ms. Allocated memory was 145.8 MB in the beginning and 293.6 MB in the end (delta: 147.8 MB). Free memory was 100.5 MB in the beginning and 154.4 MB in the end (delta: -54.0 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,392 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.47 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 100.3 MB in the beginning and 171.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.13 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 165.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,402 INFO L168 Benchmark]: Boogie Preprocessor took 95.82 ms. Allocated memory is still 205.5 MB. Free memory was 165.5 MB in the beginning and 160.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,403 INFO L168 Benchmark]: RCFGBuilder took 2560.76 ms. Allocated memory was 205.5 MB in the beginning and 250.1 MB in the end (delta: 44.6 MB). Free memory was 160.7 MB in the beginning and 192.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 114.1 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,405 INFO L168 Benchmark]: TraceAbstraction took 3801.12 ms. Allocated memory was 250.1 MB in the beginning and 293.6 MB in the end (delta: 43.5 MB). Free memory was 192.8 MB in the beginning and 154.4 MB in the end (delta: 38.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.47 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 100.3 MB in the beginning and 171.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 94.13 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 165.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.82 ms. Allocated memory is still 205.5 MB. Free memory was 165.5 MB in the beginning and 160.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2560.76 ms. Allocated memory was 205.5 MB in the beginning and 250.1 MB in the end (delta: 44.6 MB). Free memory was 160.7 MB in the beginning and 192.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 114.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3801.12 ms. Allocated memory was 250.1 MB in the beginning and 293.6 MB in the end (delta: 43.5 MB). Free memory was 192.8 MB in the beginning and 154.4 MB in the end (delta: 38.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 529]: 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) && !(a28 == 11))) || a19 == 1) || (!(a25 == 1) && a17 == 8)) || (a17 == 8 && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a28 == 9 || (!(a25 == 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: 3.6s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 132 SDtfs, 621 SDslu, 68 SDs, 0 SdLazy, 1566 SolverSat, 404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=643occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 240 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 65 HoareAnnotationTreeSize, 3 FomulaSimplifications, 416 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 68107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 109/109 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...