/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_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:32:56,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:32:56,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:32:56,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:32:56,328 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 23:32:56,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:32:56,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:32:56,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:32:56,343 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:32:56,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:32:56,344 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:32:56,344 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:32:56,344 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:32:56,344 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:32:56,345 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:32:56,345 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:32:56,345 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:32:56,345 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:32:56,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:32:56,346 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:32:56,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:32:56,347 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:32:56,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:32:56,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:32:56,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:32:56,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:32:56,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:32:56,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:32:56,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:32:56,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:32:56,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:32:56,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:32:56,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:32:56,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:32:56,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:32:56,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:32:56,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:32:56,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:32:56,351 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:32:56,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:32:56,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:32:56,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:32:56,352 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:32:56,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:32:56,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:32:56,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:32:56,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:32:56,649 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:32:56,650 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label37.c [2019-11-23 23:32:56,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98a1fc8ea/c0f9a6fbbb344fd0921c8f34547223bc/FLAGcbc24f206 [2019-11-23 23:32:57,347 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:32:57,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label37.c [2019-11-23 23:32:57,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98a1fc8ea/c0f9a6fbbb344fd0921c8f34547223bc/FLAGcbc24f206 [2019-11-23 23:32:57,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98a1fc8ea/c0f9a6fbbb344fd0921c8f34547223bc [2019-11-23 23:32:57,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:32:57,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:32:57,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:57,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:32:57,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:32:57,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:57" (1/1) ... [2019-11-23 23:32:57,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20250de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:57, skipping insertion in model container [2019-11-23 23:32:57,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:57" (1/1) ... [2019-11-23 23:32:57,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:32:57,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:32:58,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:58,207 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:32:58,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:58,348 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:32:58,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58 WrapperNode [2019-11-23 23:32:58,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:58,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:58,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:32:58,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:32:58,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:58,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:32:58,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:32:58,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:32:58,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (1/1) ... [2019-11-23 23:32:58,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:32:58,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:32:58,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:32:58,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:32:58,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (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 23:32:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:32:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:33:00,699 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:33:00,699 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:33:00,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:00 BoogieIcfgContainer [2019-11-23 23:33:00,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:33:00,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:33:00,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:33:00,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:33:00,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:57" (1/3) ... [2019-11-23 23:33:00,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1533af63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:00, skipping insertion in model container [2019-11-23 23:33:00,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:58" (2/3) ... [2019-11-23 23:33:00,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1533af63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:00, skipping insertion in model container [2019-11-23 23:33:00,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:00" (3/3) ... [2019-11-23 23:33:00,709 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label37.c [2019-11-23 23:33:00,719 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:33:00,726 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:33:00,738 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:33:00,764 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:33:00,765 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:33:00,765 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:33:00,765 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:33:00,765 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:33:00,766 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:33:00,766 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:33:00,766 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:33:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:33:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:33:00,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:00,795 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 23:33:00,795 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:00,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:00,802 INFO L82 PathProgramCache]: Analyzing trace with hash 925958415, now seen corresponding path program 1 times [2019-11-23 23:33:00,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:00,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858189120] [2019-11-23 23:33:00,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:01,256 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 23:33:01,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858189120] [2019-11-23 23:33:01,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:01,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:33:01,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260583796] [2019-11-23 23:33:01,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:01,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:01,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:01,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:01,284 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 4 states. [2019-11-23 23:33:02,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:02,123 INFO L93 Difference]: Finished difference Result 333 states and 641 transitions. [2019-11-23 23:33:02,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:02,125 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-11-23 23:33:02,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:02,150 INFO L225 Difference]: With dead ends: 333 [2019-11-23 23:33:02,151 INFO L226 Difference]: Without dead ends: 243 [2019-11-23 23:33:02,154 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 23:33:02,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-23 23:33:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2019-11-23 23:33:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-23 23:33:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 398 transitions. [2019-11-23 23:33:02,207 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 398 transitions. Word has length 80 [2019-11-23 23:33:02,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:02,208 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 398 transitions. [2019-11-23 23:33:02,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:02,208 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 398 transitions. [2019-11-23 23:33:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-23 23:33:02,213 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:02,213 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:02,214 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:02,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:02,214 INFO L82 PathProgramCache]: Analyzing trace with hash 2010264882, now seen corresponding path program 1 times [2019-11-23 23:33:02,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:02,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077397025] [2019-11-23 23:33:02,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-23 23:33:02,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077397025] [2019-11-23 23:33:02,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:02,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:33:02,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998799057] [2019-11-23 23:33:02,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:02,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:02,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:02,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:02,358 INFO L87 Difference]: Start difference. First operand 243 states and 398 transitions. Second operand 4 states. [2019-11-23 23:33:02,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:02,970 INFO L93 Difference]: Finished difference Result 805 states and 1286 transitions. [2019-11-23 23:33:02,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:02,971 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-11-23 23:33:02,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:02,977 INFO L225 Difference]: With dead ends: 805 [2019-11-23 23:33:02,978 INFO L226 Difference]: Without dead ends: 563 [2019-11-23 23:33:02,980 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 23:33:02,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2019-11-23 23:33:03,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 483. [2019-11-23 23:33:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-11-23 23:33:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 758 transitions. [2019-11-23 23:33:03,013 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 758 transitions. Word has length 89 [2019-11-23 23:33:03,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:03,014 INFO L462 AbstractCegarLoop]: Abstraction has 483 states and 758 transitions. [2019-11-23 23:33:03,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:03,014 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 758 transitions. [2019-11-23 23:33:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-23 23:33:03,021 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:03,021 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:03,022 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:03,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:03,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1900012018, now seen corresponding path program 1 times [2019-11-23 23:33:03,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:03,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849493451] [2019-11-23 23:33:03,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-23 23:33:03,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849493451] [2019-11-23 23:33:03,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:03,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:33:03,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49032787] [2019-11-23 23:33:03,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:33:03,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:03,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:33:03,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:03,085 INFO L87 Difference]: Start difference. First operand 483 states and 758 transitions. Second operand 3 states. [2019-11-23 23:33:03,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:03,503 INFO L93 Difference]: Finished difference Result 1283 states and 2019 transitions. [2019-11-23 23:33:03,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:33:03,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-11-23 23:33:03,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:03,505 INFO L225 Difference]: With dead ends: 1283 [2019-11-23 23:33:03,505 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:33:03,510 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 23:33:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:33:03,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:33:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:33:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:33:03,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 113 [2019-11-23 23:33:03,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:03,511 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:33:03,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:33:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:33:03,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:33:03,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:33:03,559 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:33:03,559 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:33:03,560 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:33:03,560 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:33:03,560 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:33:03,561 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:33:03,561 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:33:03,561 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:33:03,561 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:33:03,561 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:33:03,561 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:33:03,562 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:33:03,562 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:33:03,562 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:33:03,562 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:33:03,562 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:33:03,562 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:33:03,562 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:33:03,563 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:33:03,563 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:33:03,563 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:33:03,563 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:33:03,563 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:33:03,563 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:33:03,563 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:33:03,563 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:33:03,564 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:33:03,564 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:33:03,564 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:33:03,564 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:33:03,564 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:33:03,564 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:33:03,564 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:33:03,564 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:33:03,565 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:33:03,565 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:33:03,565 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 532) no Hoare annotation was computed. [2019-11-23 23:33:03,565 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:03,565 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:33:03,565 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:33:03,566 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:33:03,566 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:33:03,566 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (or (= ~a17~0 8) (= ~a19~0 1) (not (= ~a28~0 11))) [2019-11-23 23:33:03,566 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:03,566 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:33:03,567 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-23 23:33:03,567 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:33:03,567 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:33:03,567 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:33:03,567 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:33:03,567 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:33:03,567 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:33:03,567 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:33:03,568 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:33:03,568 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:33:03,568 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (= ~a19~0 1) (= ~a17~0 8) (not (= ~a28~0 11))) [2019-11-23 23:33:03,568 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:33:03,568 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:33:03,568 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:33:03,568 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:33:03,568 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:33:03,569 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:33:03,569 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:33:03,569 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:33:03,569 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:33:03,569 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:33:03,569 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:33:03,569 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:33:03,569 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:33:03,570 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:33:03,570 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:33:03,570 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:33:03,570 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:33:03,570 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:33:03,570 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:33:03,570 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:33:03,570 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:33:03,571 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:33:03,571 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:33:03,571 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:33:03,571 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:33:03,571 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:33:03,571 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:33:03,572 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:33:03,572 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:33:03,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:33:03 BoogieIcfgContainer [2019-11-23 23:33:03,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:33:03,593 INFO L168 Benchmark]: Toolchain (without parser) took 5998.64 ms. Allocated memory was 145.8 MB in the beginning and 294.6 MB in the end (delta: 148.9 MB). Free memory was 100.6 MB in the beginning and 117.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 131.9 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:03,594 INFO L168 Benchmark]: CDTParser took 0.31 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-23 23:33:03,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.91 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 100.4 MB in the beginning and 171.2 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:03,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.09 ms. Allocated memory is still 205.0 MB. Free memory was 171.2 MB in the beginning and 165.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:03,597 INFO L168 Benchmark]: Boogie Preprocessor took 106.13 ms. Allocated memory is still 205.0 MB. Free memory was 165.8 MB in the beginning and 161.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:03,598 INFO L168 Benchmark]: RCFGBuilder took 2157.39 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 161.0 MB in the beginning and 190.2 MB in the end (delta: -29.2 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:03,599 INFO L168 Benchmark]: TraceAbstraction took 2887.92 ms. Allocated memory was 249.0 MB in the beginning and 294.6 MB in the end (delta: 45.6 MB). Free memory was 190.2 MB in the beginning and 117.6 MB in the end (delta: 72.6 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:03,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.91 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 100.4 MB in the beginning and 171.2 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.09 ms. Allocated memory is still 205.0 MB. Free memory was 171.2 MB in the beginning and 165.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.13 ms. Allocated memory is still 205.0 MB. Free memory was 165.8 MB in the beginning and 161.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2157.39 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 161.0 MB in the beginning and 190.2 MB in the end (delta: -29.2 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2887.92 ms. Allocated memory was 249.0 MB in the beginning and 294.6 MB in the end (delta: 45.6 MB). Free memory was 190.2 MB in the beginning and 117.6 MB in the end (delta: 72.6 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 532]: 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: (a19 == 1 || a17 == 8) || !(a28 == 11) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (a17 == 8 || a19 == 1) || !(a28 == 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 484 SDslu, 26 SDs, 0 SdLazy, 1001 SolverSat, 348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=483occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 80 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 26 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 134 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 59036 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 50/50 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...