/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_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:33:15,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:33:15,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:33:15,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:33:15,095 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 23:33:15,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:33:15,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:33:15,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:33:15,125 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:33:15,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:33:15,126 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:33:15,126 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:33:15,126 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:33:15,126 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:33:15,126 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:33:15,127 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:33:15,128 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:33:15,128 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:33:15,128 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:33:15,129 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:33:15,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:33:15,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:33:15,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:33:15,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:33:15,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:33:15,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:33:15,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:33:15,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:33:15,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:33:15,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:33:15,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:33:15,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:33:15,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:33:15,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:33:15,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:33:15,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:33:15,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:33:15,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:33:15,135 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:33:15,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:33:15,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:33:15,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:33:15,136 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:33:15,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:33:15,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:33:15,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:33:15,436 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:33:15,436 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:33:15,437 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2019-11-23 23:33:15,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26711f72/2dd05b11392748afa7f149ac943b52c0/FLAGead4e528a [2019-11-23 23:33:16,030 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:33:16,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2019-11-23 23:33:16,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26711f72/2dd05b11392748afa7f149ac943b52c0/FLAGead4e528a [2019-11-23 23:33:16,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26711f72/2dd05b11392748afa7f149ac943b52c0 [2019-11-23 23:33:16,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:33:16,324 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:33:16,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:33:16,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:33:16,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:33:16,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:16" (1/1) ... [2019-11-23 23:33:16,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a548da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:16, skipping insertion in model container [2019-11-23 23:33:16,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:16" (1/1) ... [2019-11-23 23:33:16,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:33:16,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:33:16,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:33:16,943 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:33:17,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:33:17,074 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:33:17,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17 WrapperNode [2019-11-23 23:33:17,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:33:17,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:33:17,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:33:17,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:33:17,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:33:17,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:33:17,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:33:17,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:33:17,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... [2019-11-23 23:33:17,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:33:17,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:33:17,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:33:17,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:33:17,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:33:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:33:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:33:19,302 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:33:19,303 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:33:19,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:19 BoogieIcfgContainer [2019-11-23 23:33:19,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:33:19,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:33:19,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:33:19,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:33:19,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:33:16" (1/3) ... [2019-11-23 23:33:19,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3664bda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:19, skipping insertion in model container [2019-11-23 23:33:19,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17" (2/3) ... [2019-11-23 23:33:19,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3664bda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:19, skipping insertion in model container [2019-11-23 23:33:19,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:19" (3/3) ... [2019-11-23 23:33:19,313 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label47.c [2019-11-23 23:33:19,323 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:33:19,331 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:33:19,342 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:33:19,369 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:33:19,369 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:33:19,369 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:33:19,369 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:33:19,370 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:33:19,370 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:33:19,370 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:33:19,370 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:33:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:33:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:33:19,399 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:19,400 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 23:33:19,401 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:19,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:19,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1497200554, now seen corresponding path program 1 times [2019-11-23 23:33:19,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:19,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132966788] [2019-11-23 23:33:19,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:19,850 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 23:33:19,851 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132966788] [2019-11-23 23:33:19,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:19,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:33:19,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884665934] [2019-11-23 23:33:19,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:19,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:19,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:19,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:19,878 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 4 states. [2019-11-23 23:33:20,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:20,787 INFO L93 Difference]: Finished difference Result 333 states and 641 transitions. [2019-11-23 23:33:20,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:20,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-11-23 23:33:20,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:20,806 INFO L225 Difference]: With dead ends: 333 [2019-11-23 23:33:20,806 INFO L226 Difference]: Without dead ends: 243 [2019-11-23 23:33:20,811 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 23:33:20,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-23 23:33:20,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 163. [2019-11-23 23:33:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-23 23:33:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 298 transitions. [2019-11-23 23:33:20,879 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 298 transitions. Word has length 80 [2019-11-23 23:33:20,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:20,880 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 298 transitions. [2019-11-23 23:33:20,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2019-11-23 23:33:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-23 23:33:20,887 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:20,887 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:20,887 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:20,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:20,888 INFO L82 PathProgramCache]: Analyzing trace with hash -179248097, now seen corresponding path program 1 times [2019-11-23 23:33:20,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:20,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614139874] [2019-11-23 23:33:20,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:33:21,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614139874] [2019-11-23 23:33:21,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:21,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:33:21,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487552413] [2019-11-23 23:33:21,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:21,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:21,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:21,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:21,057 INFO L87 Difference]: Start difference. First operand 163 states and 298 transitions. Second operand 4 states. [2019-11-23 23:33:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:21,829 INFO L93 Difference]: Finished difference Result 645 states and 1187 transitions. [2019-11-23 23:33:21,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:21,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2019-11-23 23:33:21,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:21,834 INFO L225 Difference]: With dead ends: 645 [2019-11-23 23:33:21,834 INFO L226 Difference]: Without dead ends: 483 [2019-11-23 23:33:21,836 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 23:33:21,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-11-23 23:33:21,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2019-11-23 23:33:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-11-23 23:33:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 778 transitions. [2019-11-23 23:33:21,870 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 778 transitions. Word has length 84 [2019-11-23 23:33:21,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:21,871 INFO L462 AbstractCegarLoop]: Abstraction has 483 states and 778 transitions. [2019-11-23 23:33:21,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 778 transitions. [2019-11-23 23:33:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-23 23:33:21,877 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:21,877 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:21,878 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:21,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:21,878 INFO L82 PathProgramCache]: Analyzing trace with hash 381074365, now seen corresponding path program 1 times [2019-11-23 23:33:21,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:21,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90694871] [2019-11-23 23:33:21,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-11-23 23:33:21,944 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90694871] [2019-11-23 23:33:21,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:21,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:33:21,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559856057] [2019-11-23 23:33:21,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:33:21,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:21,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:33:21,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:21,947 INFO L87 Difference]: Start difference. First operand 483 states and 778 transitions. Second operand 3 states. [2019-11-23 23:33:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:22,383 INFO L93 Difference]: Finished difference Result 1365 states and 2175 transitions. [2019-11-23 23:33:22,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:33:22,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-11-23 23:33:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:22,389 INFO L225 Difference]: With dead ends: 1365 [2019-11-23 23:33:22,390 INFO L226 Difference]: Without dead ends: 883 [2019-11-23 23:33:22,392 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 23:33:22,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-11-23 23:33:22,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 483. [2019-11-23 23:33:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-11-23 23:33:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 778 transitions. [2019-11-23 23:33:22,423 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 778 transitions. Word has length 161 [2019-11-23 23:33:22,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:22,424 INFO L462 AbstractCegarLoop]: Abstraction has 483 states and 778 transitions. [2019-11-23 23:33:22,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:33:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 778 transitions. [2019-11-23 23:33:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-23 23:33:22,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:22,427 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:22,428 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:22,428 INFO L82 PathProgramCache]: Analyzing trace with hash 391938819, now seen corresponding path program 1 times [2019-11-23 23:33:22,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:22,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296695815] [2019-11-23 23:33:22,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-11-23 23:33:22,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296695815] [2019-11-23 23:33:22,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:22,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:33:22,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013469231] [2019-11-23 23:33:22,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:33:22,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:22,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:33:22,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:22,514 INFO L87 Difference]: Start difference. First operand 483 states and 778 transitions. Second operand 3 states. [2019-11-23 23:33:22,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:22,977 INFO L93 Difference]: Finished difference Result 1285 states and 2070 transitions. [2019-11-23 23:33:22,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:33:22,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-11-23 23:33:22,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:22,983 INFO L225 Difference]: With dead ends: 1285 [2019-11-23 23:33:22,983 INFO L226 Difference]: Without dead ends: 803 [2019-11-23 23:33:22,985 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 23:33:22,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2019-11-23 23:33:23,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2019-11-23 23:33:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2019-11-23 23:33:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1183 transitions. [2019-11-23 23:33:23,015 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1183 transitions. Word has length 173 [2019-11-23 23:33:23,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:23,015 INFO L462 AbstractCegarLoop]: Abstraction has 803 states and 1183 transitions. [2019-11-23 23:33:23,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:33:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1183 transitions. [2019-11-23 23:33:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-23 23:33:23,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:23,019 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:23,020 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:23,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:23,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1691391764, now seen corresponding path program 1 times [2019-11-23 23:33:23,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:23,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559953756] [2019-11-23 23:33:23,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:33:23,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559953756] [2019-11-23 23:33:23,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:23,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:33:23,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168634593] [2019-11-23 23:33:23,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:23,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:23,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:23,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:23,169 INFO L87 Difference]: Start difference. First operand 803 states and 1183 transitions. Second operand 4 states. [2019-11-23 23:33:23,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:23,862 INFO L93 Difference]: Finished difference Result 1923 states and 2823 transitions. [2019-11-23 23:33:23,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:23,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2019-11-23 23:33:23,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:23,863 INFO L225 Difference]: With dead ends: 1923 [2019-11-23 23:33:23,863 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:33:23,866 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 23:33:23,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:33:23,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:33:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:33:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:33:23,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-11-23 23:33:23,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:23,868 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:33:23,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:33:23,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:33:23,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:33:24,058 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:33:24,059 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:33:24,059 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:33:24,059 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:33:24,060 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:33:24,060 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:33:24,060 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:33:24,061 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:33:24,061 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:33:24,061 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:33:24,061 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:33:24,062 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:33:24,062 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:33:24,062 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:33:24,062 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:33:24,062 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:33:24,062 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:33:24,062 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:33:24,063 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:33:24,063 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:33:24,063 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:33:24,063 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:33:24,063 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:33:24,063 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:33:24,064 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:33:24,064 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:33:24,064 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:33:24,064 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:33:24,064 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:33:24,064 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:33:24,064 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:33:24,065 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:33:24,065 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:33:24,065 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:33:24,065 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:33:24,065 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:33:24,065 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 493) no Hoare annotation was computed. [2019-11-23 23:33:24,066 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:33:24,066 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:33:24,066 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:33:24,066 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:33:24,066 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11)))) (or (= ~a28~0 9) (= ~a28~0 10) (and (not (= ~a28~0 8)) (= ~a19~0 1) .cse0) (not (= ~a11~0 1)) (and (= ~a17~0 8) .cse0))) [2019-11-23 23:33:24,067 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:33:24,067 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:33:24,067 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:33:24,067 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:33:24,067 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:33:24,067 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:33:24,067 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:33:24,068 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:33:24,068 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:33:24,068 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:33:24,068 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11)))) (or (= ~a28~0 9) (= ~a28~0 10) (and (not (= ~a28~0 8)) (= ~a19~0 1) .cse0) (not (= ~a11~0 1)) (and (= ~a17~0 8) .cse0))) [2019-11-23 23:33:24,068 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:33:24,068 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:33:24,069 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:33:24,069 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:33:24,069 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:33:24,069 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:33:24,069 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:33:24,069 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:33:24,069 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:33:24,070 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:33:24,070 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:33:24,070 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:33:24,070 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:33:24,070 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:33:24,070 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:33:24,070 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:33:24,071 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:33:24,071 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:24,071 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:33:24,071 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:33:24,071 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:33:24,071 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:33:24,071 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:33:24,071 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:24,072 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:33:24,072 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-23 23:33:24,072 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:33:24,072 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:33:24,072 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:33:24,072 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:33:24,072 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:33:24,073 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:33:24,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:33:24 BoogieIcfgContainer [2019-11-23 23:33:24,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:33:24,094 INFO L168 Benchmark]: Toolchain (without parser) took 7768.64 ms. Allocated memory was 143.1 MB in the beginning and 345.5 MB in the end (delta: 202.4 MB). Free memory was 99.2 MB in the beginning and 243.4 MB in the end (delta: -144.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:24,095 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-23 23:33:24,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.88 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 99.0 MB in the beginning and 169.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:24,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.93 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 163.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:24,098 INFO L168 Benchmark]: Boogie Preprocessor took 104.58 ms. Allocated memory is still 202.9 MB. Free memory was 163.7 MB in the beginning and 159.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:24,099 INFO L168 Benchmark]: RCFGBuilder took 2017.62 ms. Allocated memory was 202.9 MB in the beginning and 255.9 MB in the end (delta: 53.0 MB). Free memory was 159.4 MB in the beginning and 204.1 MB in the end (delta: -44.7 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:24,100 INFO L168 Benchmark]: TraceAbstraction took 4785.57 ms. Allocated memory was 255.9 MB in the beginning and 345.5 MB in the end (delta: 89.7 MB). Free memory was 202.1 MB in the beginning and 243.4 MB in the end (delta: -41.3 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:24,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.88 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 99.0 MB in the beginning and 169.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 105.93 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 163.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.58 ms. Allocated memory is still 202.9 MB. Free memory was 163.7 MB in the beginning and 159.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2017.62 ms. Allocated memory was 202.9 MB in the beginning and 255.9 MB in the end (delta: 53.0 MB). Free memory was 159.4 MB in the beginning and 204.1 MB in the end (delta: -44.7 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4785.57 ms. Allocated memory was 255.9 MB in the beginning and 345.5 MB in the end (delta: 89.7 MB). Free memory was 202.1 MB in the beginning and 243.4 MB in the end (delta: -41.3 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 493]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a28 == 9 || a28 == 10) || ((!(a28 == 8) && a19 == 1) && !(a28 == 11))) || !(a11 == 1)) || (a17 == 8 && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a28 == 9 || a28 == 10) || ((!(a28 == 8) && a19 == 1) && !(a28 == 11))) || !(a11 == 1)) || (a17 == 8 && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 120 SDtfs, 549 SDslu, 37 SDs, 0 SdLazy, 1869 SolverSat, 559 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=803occurred 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, 480 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 63 HoareAnnotationTreeSize, 3 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 116 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 676 NumberOfCodeBlocks, 676 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 671 ConstructedInterpolants, 0 QuantifiedInterpolants, 183332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 339/339 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...