/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_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:33:02,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:33:02,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:33:02,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:33:02,473 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 23:33:02,495 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:33:02,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:33:02,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:33:02,496 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:33:02,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:33:02,496 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:33:02,497 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:33:02,497 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:33:02,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:33:02,497 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:33:02,497 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:33:02,497 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:33:02,500 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:33:02,500 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:33:02,500 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:33:02,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:33:02,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:33:02,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:33:02,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:33:02,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:33:02,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:33:02,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:33:02,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:33:02,503 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:33:02,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:33:02,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:33:02,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:33:02,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:33:02,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:33:02,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:33:02,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:33:02,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:33:02,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:33:02,507 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:33:02,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:33:02,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:33:02,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:33:02,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:33:02,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:33:02,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:33:02,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:33:02,816 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:33:02,816 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:33:02,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2019-11-23 23:33:02,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ed1d7fc4/fb2f463afce24bc188bf2c9a593a1364/FLAG4c0312341 [2019-11-23 23:33:03,423 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:33:03,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2019-11-23 23:33:03,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ed1d7fc4/fb2f463afce24bc188bf2c9a593a1364/FLAG4c0312341 [2019-11-23 23:33:03,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ed1d7fc4/fb2f463afce24bc188bf2c9a593a1364 [2019-11-23 23:33:03,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:33:03,715 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:33:03,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:33:03,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:33:03,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:33:03,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:03" (1/1) ... [2019-11-23 23:33:03,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5088ba2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:03, skipping insertion in model container [2019-11-23 23:33:03,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:03" (1/1) ... [2019-11-23 23:33:03,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:33:03,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:33:04,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:33:04,302 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:33:04,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:33:04,444 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:33:04,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04 WrapperNode [2019-11-23 23:33:04,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:33:04,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:33:04,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:33:04,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:33:04,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:33:04,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:33:04,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:33:04,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:33:04,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (1/1) ... [2019-11-23 23:33:04,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:33:04,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:33:04,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:33:04,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:33:04,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (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 23:33:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:33:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:33:06,642 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:33:06,642 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:33:06,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:06 BoogieIcfgContainer [2019-11-23 23:33:06,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:33:06,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:33:06,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:33:06,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:33:06,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:33:03" (1/3) ... [2019-11-23 23:33:06,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427019f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:06, skipping insertion in model container [2019-11-23 23:33:06,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:04" (2/3) ... [2019-11-23 23:33:06,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427019f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:06, skipping insertion in model container [2019-11-23 23:33:06,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:06" (3/3) ... [2019-11-23 23:33:06,655 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2019-11-23 23:33:06,665 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:33:06,675 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:33:06,686 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:33:06,719 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:33:06,719 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:33:06,720 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:33:06,720 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:33:06,720 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:33:06,721 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:33:06,721 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:33:06,721 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:33:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:33:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:33:06,756 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:06,757 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 23:33:06,758 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:06,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:06,764 INFO L82 PathProgramCache]: Analyzing trace with hash 925944969, now seen corresponding path program 1 times [2019-11-23 23:33:06,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:06,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806886315] [2019-11-23 23:33:06,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:07,207 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 23:33:07,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806886315] [2019-11-23 23:33:07,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:07,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:33:07,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982495158] [2019-11-23 23:33:07,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:07,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:07,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:07,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:07,240 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 4 states. [2019-11-23 23:33:08,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:08,111 INFO L93 Difference]: Finished difference Result 333 states and 641 transitions. [2019-11-23 23:33:08,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:08,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-11-23 23:33:08,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:08,128 INFO L225 Difference]: With dead ends: 333 [2019-11-23 23:33:08,128 INFO L226 Difference]: Without dead ends: 243 [2019-11-23 23:33:08,132 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 23:33:08,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-23 23:33:08,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 163. [2019-11-23 23:33:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-23 23:33:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 298 transitions. [2019-11-23 23:33:08,185 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 298 transitions. Word has length 80 [2019-11-23 23:33:08,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:08,185 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 298 transitions. [2019-11-23 23:33:08,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2019-11-23 23:33:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-23 23:33:08,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:08,190 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 23:33:08,190 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:08,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:08,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1028665726, now seen corresponding path program 1 times [2019-11-23 23:33:08,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:08,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226886244] [2019-11-23 23:33:08,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:08,374 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 23:33:08,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226886244] [2019-11-23 23:33:08,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:08,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:33:08,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193880100] [2019-11-23 23:33:08,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:08,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:08,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:08,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:08,378 INFO L87 Difference]: Start difference. First operand 163 states and 298 transitions. Second operand 4 states. [2019-11-23 23:33:09,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:09,127 INFO L93 Difference]: Finished difference Result 645 states and 1187 transitions. [2019-11-23 23:33:09,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:09,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2019-11-23 23:33:09,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:09,133 INFO L225 Difference]: With dead ends: 645 [2019-11-23 23:33:09,133 INFO L226 Difference]: Without dead ends: 483 [2019-11-23 23:33:09,135 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 23:33:09,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-11-23 23:33:09,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2019-11-23 23:33:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-11-23 23:33:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 783 transitions. [2019-11-23 23:33:09,169 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 783 transitions. Word has length 84 [2019-11-23 23:33:09,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:09,170 INFO L462 AbstractCegarLoop]: Abstraction has 483 states and 783 transitions. [2019-11-23 23:33:09,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 783 transitions. [2019-11-23 23:33:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-23 23:33:09,177 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:09,178 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:09,178 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:09,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:09,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1528958387, now seen corresponding path program 1 times [2019-11-23 23:33:09,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:09,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103637040] [2019-11-23 23:33:09,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-23 23:33:09,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103637040] [2019-11-23 23:33:09,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:09,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:33:09,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798842109] [2019-11-23 23:33:09,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:09,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:09,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:09,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:09,264 INFO L87 Difference]: Start difference. First operand 483 states and 783 transitions. Second operand 4 states. [2019-11-23 23:33:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:09,675 INFO L93 Difference]: Finished difference Result 1043 states and 1658 transitions. [2019-11-23 23:33:09,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:09,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2019-11-23 23:33:09,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:09,677 INFO L225 Difference]: With dead ends: 1043 [2019-11-23 23:33:09,677 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:33:09,682 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:33:09,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:33:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:33:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:33:09,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:33:09,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2019-11-23 23:33:09,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:09,685 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:33:09,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:33:09,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:33:09,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:33:09,782 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:33:09,782 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:33:09,783 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:33:09,783 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:33:09,783 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:33:09,783 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:33:09,784 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:09,784 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:33:09,784 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:33:09,785 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:09,785 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:33:09,785 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:33:09,785 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-23 23:33:09,785 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:33:09,785 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:33:09,786 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:33:09,786 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:33:09,786 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:33:09,786 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:33:09,786 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:33:09,786 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:33:09,786 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:33:09,787 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 442) no Hoare annotation was computed. [2019-11-23 23:33:09,788 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:33:09,789 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:33:09,789 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:33:09,789 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:33:09,789 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (or (and (not (= ~a28~0 8)) (not (= ~a17~0 9))) (and (= ~a17~0 8) (not (= ~a11~0 1)))) [2019-11-23 23:33:09,789 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:33:09,789 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:33:09,789 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:33:09,790 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:33:09,790 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:33:09,790 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:33:09,790 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:33:09,790 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:33:09,790 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:33:09,790 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:33:09,790 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (and (not (= ~a28~0 8)) (not (= ~a17~0 9))) (and (= ~a17~0 8) (not (= ~a11~0 1)))) [2019-11-23 23:33:09,790 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:33:09,791 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:33:09,792 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:33:09,792 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:33:09,792 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:33:09,812 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:33:09,812 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:33:09,812 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:33:09,812 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:33:09,812 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:33:09,812 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:33:09,812 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:33:09,813 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:33:09,813 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:33:09,813 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:33:09,813 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:33:09,813 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:33:09,813 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:33:09,813 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:33:09,813 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:33:09,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:33:09 BoogieIcfgContainer [2019-11-23 23:33:09,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:33:09,832 INFO L168 Benchmark]: Toolchain (without parser) took 6115.17 ms. Allocated memory was 145.8 MB in the beginning and 292.0 MB in the end (delta: 146.3 MB). Free memory was 100.5 MB in the beginning and 254.0 MB in the end (delta: -153.5 MB). Peak memory consumption was 160.0 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:09,833 INFO L168 Benchmark]: CDTParser took 0.15 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 23:33:09,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.72 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 168.5 MB in the end (delta: -68.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:09,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.68 ms. Allocated memory is still 204.5 MB. Free memory was 168.5 MB in the beginning and 163.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:09,836 INFO L168 Benchmark]: Boogie Preprocessor took 71.35 ms. Allocated memory is still 204.5 MB. Free memory was 163.1 MB in the beginning and 158.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:09,837 INFO L168 Benchmark]: RCFGBuilder took 2038.49 ms. Allocated memory was 204.5 MB in the beginning and 248.5 MB in the end (delta: 44.0 MB). Free memory was 158.4 MB in the beginning and 191.3 MB in the end (delta: -32.8 MB). Peak memory consumption was 113.0 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:09,838 INFO L168 Benchmark]: TraceAbstraction took 3182.34 ms. Allocated memory was 248.5 MB in the beginning and 292.0 MB in the end (delta: 43.5 MB). Free memory was 189.5 MB in the beginning and 254.0 MB in the end (delta: -64.5 MB). Peak memory consumption was 146.2 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:09,844 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 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.72 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 168.5 MB in the end (delta: -68.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 88.68 ms. Allocated memory is still 204.5 MB. Free memory was 168.5 MB in the beginning and 163.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.35 ms. Allocated memory is still 204.5 MB. Free memory was 163.1 MB in the beginning and 158.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2038.49 ms. Allocated memory was 204.5 MB in the beginning and 248.5 MB in the end (delta: 44.0 MB). Free memory was 158.4 MB in the beginning and 191.3 MB in the end (delta: -32.8 MB). Peak memory consumption was 113.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3182.34 ms. Allocated memory was 248.5 MB in the beginning and 292.0 MB in the end (delta: 43.5 MB). Free memory was 189.5 MB in the beginning and 254.0 MB in the end (delta: -64.5 MB). Peak memory consumption was 146.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 442]: 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 == 8) && !(a17 == 9)) || (a17 == 8 && !(a11 == 1)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (!(a28 == 8) && !(a17 == 9)) || (a17 == 8 && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 402 SDslu, 28 SDs, 0 SdLazy, 1201 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 6 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, 20 NumberOfFragments, 37 HoareAnnotationTreeSize, 3 FomulaSimplifications, 62 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 82848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 52/52 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...