/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:32:10,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:32:10,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:32:10,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:32:10,419 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 23:32:10,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:32:10,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:32:10,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:32:10,454 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:32:10,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:32:10,457 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:32:10,457 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:32:10,457 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:32:10,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:32:10,457 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:32:10,458 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:32:10,458 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:32:10,459 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:32:10,459 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:32:10,459 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:32:10,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:32:10,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:32:10,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:32:10,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:32:10,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:32:10,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:32:10,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:32:10,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:32:10,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:32:10,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:32:10,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:32:10,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:32:10,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:32:10,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:32:10,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:32:10,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:32:10,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:32:10,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:32:10,465 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:32:10,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:32:10,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:32:10,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:32:10,466 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:32:10,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:32:10,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:32:10,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:32:10,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:32:10,755 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:32:10,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label12.c [2019-11-23 23:32:10,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ece1267b/c218b056f6634dfab1436ca5a16326cd/FLAG49e355799 [2019-11-23 23:32:11,454 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:32:11,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label12.c [2019-11-23 23:32:11,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ece1267b/c218b056f6634dfab1436ca5a16326cd/FLAG49e355799 [2019-11-23 23:32:11,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ece1267b/c218b056f6634dfab1436ca5a16326cd [2019-11-23 23:32:11,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:32:11,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:32:11,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:11,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:32:11,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:32:11,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:11" (1/1) ... [2019-11-23 23:32:11,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71342e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:11, skipping insertion in model container [2019-11-23 23:32:11,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:11" (1/1) ... [2019-11-23 23:32:11,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:32:11,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:32:12,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:12,335 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:32:12,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:12,511 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:32:12,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12 WrapperNode [2019-11-23 23:32:12,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:12,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:12,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:32:12,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:32:12,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:12,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:32:12,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:32:12,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:32:12,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ... [2019-11-23 23:32:12,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:32:12,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:32:12,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:32:12,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:32:12,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (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 23:32:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:32:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:32:14,995 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:32:14,996 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:32:14,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:14 BoogieIcfgContainer [2019-11-23 23:32:14,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:32:14,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:32:14,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:32:15,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:32:15,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:11" (1/3) ... [2019-11-23 23:32:15,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a553c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:15, skipping insertion in model container [2019-11-23 23:32:15,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (2/3) ... [2019-11-23 23:32:15,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a553c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:15, skipping insertion in model container [2019-11-23 23:32:15,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:14" (3/3) ... [2019-11-23 23:32:15,007 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label12.c [2019-11-23 23:32:15,017 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:32:15,026 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:32:15,037 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:32:15,067 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:32:15,068 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:32:15,068 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:32:15,068 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:32:15,068 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:32:15,068 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:32:15,068 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:32:15,069 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:32:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:32:15,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:32:15,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:15,093 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:15,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:15,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:15,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1497209136, now seen corresponding path program 1 times [2019-11-23 23:32:15,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:15,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810540315] [2019-11-23 23:32:15,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:15,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810540315] [2019-11-23 23:32:15,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:15,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:15,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473572524] [2019-11-23 23:32:15,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:15,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:15,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:15,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:15,509 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 4 states. [2019-11-23 23:32:16,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:16,390 INFO L93 Difference]: Finished difference Result 333 states and 641 transitions. [2019-11-23 23:32:16,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:16,391 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-11-23 23:32:16,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:16,413 INFO L225 Difference]: With dead ends: 333 [2019-11-23 23:32:16,413 INFO L226 Difference]: Without dead ends: 243 [2019-11-23 23:32:16,419 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 23:32:16,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-23 23:32:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2019-11-23 23:32:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-23 23:32:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 398 transitions. [2019-11-23 23:32:16,482 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 398 transitions. Word has length 80 [2019-11-23 23:32:16,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:16,483 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 398 transitions. [2019-11-23 23:32:16,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 398 transitions. [2019-11-23 23:32:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-23 23:32:16,488 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:16,489 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:16,489 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:16,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:16,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1480133022, now seen corresponding path program 1 times [2019-11-23 23:32:16,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:16,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892232775] [2019-11-23 23:32:16,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:16,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892232775] [2019-11-23 23:32:16,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:16,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:32:16,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467756491] [2019-11-23 23:32:16,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:32:16,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:16,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:32:16,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:16,555 INFO L87 Difference]: Start difference. First operand 243 states and 398 transitions. Second operand 3 states. [2019-11-23 23:32:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:17,029 INFO L93 Difference]: Finished difference Result 725 states and 1191 transitions. [2019-11-23 23:32:17,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:32:17,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2019-11-23 23:32:17,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:17,033 INFO L225 Difference]: With dead ends: 725 [2019-11-23 23:32:17,033 INFO L226 Difference]: Without dead ends: 483 [2019-11-23 23:32:17,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:17,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-11-23 23:32:17,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2019-11-23 23:32:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-11-23 23:32:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 738 transitions. [2019-11-23 23:32:17,080 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 738 transitions. Word has length 95 [2019-11-23 23:32:17,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:17,080 INFO L462 AbstractCegarLoop]: Abstraction has 483 states and 738 transitions. [2019-11-23 23:32:17,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:32:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 738 transitions. [2019-11-23 23:32:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-23 23:32:17,088 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:17,088 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-23 23:32:17,088 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:17,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:17,089 INFO L82 PathProgramCache]: Analyzing trace with hash 105756769, now seen corresponding path program 1 times [2019-11-23 23:32:17,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:17,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538515590] [2019-11-23 23:32:17,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-23 23:32:17,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538515590] [2019-11-23 23:32:17,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:17,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:17,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856182673] [2019-11-23 23:32:17,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:17,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:17,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:17,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:17,220 INFO L87 Difference]: Start difference. First operand 483 states and 738 transitions. Second operand 4 states. [2019-11-23 23:32:18,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:18,006 INFO L93 Difference]: Finished difference Result 1843 states and 2790 transitions. [2019-11-23 23:32:18,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:18,007 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2019-11-23 23:32:18,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:18,007 INFO L225 Difference]: With dead ends: 1843 [2019-11-23 23:32:18,007 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:32:18,015 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:32:18,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:32:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:32:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:32:18,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2019-11-23 23:32:18,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:18,016 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:32:18,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:32:18,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:32:18,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:32:18,136 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:32:18,137 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:32:18,137 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:32:18,137 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:32:18,137 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:32:18,138 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:32:18,138 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:32:18,138 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:32:18,139 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:32:18,140 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:32:18,140 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:32:18,140 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:32:18,141 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:32:18,141 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:32:18,141 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:32:18,141 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:32:18,141 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:32:18,141 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:32:18,141 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:32:18,141 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:32:18,142 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:32:18,144 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:32:18,144 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:32:18,144 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:32:18,144 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:32:18,144 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:32:18,145 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:32:18,145 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:32:18,145 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:32:18,145 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:32:18,145 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:32:18,145 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:32:18,145 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:32:18,146 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:32:18,146 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-23 23:32:18,146 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:32:18,146 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:32:18,146 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:32:18,146 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:32:18,146 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2019-11-23 23:32:18,147 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:32:18,147 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:32:18,147 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:32:18,147 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:32:18,147 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (or (not (= ~a28~0 8)) (= ~a19~0 1) (not (= ~a11~0 1))) [2019-11-23 23:32:18,148 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:32:18,149 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:32:18,149 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:32:18,149 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:32:18,150 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:32:18,150 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:32:18,150 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:32:18,150 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:32:18,150 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:32:18,150 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:32:18,150 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (not (= ~a28~0 8)) (= ~a19~0 1) (not (= ~a11~0 1))) [2019-11-23 23:32:18,151 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:32:18,151 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:32:18,151 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:32:18,151 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:32:18,151 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:32:18,151 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:32:18,151 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:32:18,151 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:32:18,152 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:32:18,152 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:32:18,152 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:32:18,152 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:32:18,152 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:32:18,152 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:32:18,152 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:32:18,153 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:32:18,153 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:32:18,153 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:32:18,153 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:32:18,153 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:32:18,153 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:32:18,153 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:32:18,154 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:32:18,154 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:32:18,154 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:32:18,154 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:32:18,154 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:32:18,154 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:32:18,154 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:32:18,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:32:18 BoogieIcfgContainer [2019-11-23 23:32:18,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:32:18,180 INFO L168 Benchmark]: Toolchain (without parser) took 6433.04 ms. Allocated memory was 138.4 MB in the beginning and 294.6 MB in the end (delta: 156.2 MB). Free memory was 101.3 MB in the beginning and 106.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 150.9 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:18,181 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-23 23:32:18,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.12 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 164.8 MB in the end (delta: -63.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:18,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.72 ms. Allocated memory is still 203.4 MB. Free memory was 164.8 MB in the beginning and 159.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:18,187 INFO L168 Benchmark]: Boogie Preprocessor took 68.71 ms. Allocated memory is still 203.4 MB. Free memory was 159.3 MB in the beginning and 155.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:18,194 INFO L168 Benchmark]: RCFGBuilder took 2322.68 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 154.5 MB in the beginning and 187.7 MB in the end (delta: -33.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:18,197 INFO L168 Benchmark]: TraceAbstraction took 3177.69 ms. Allocated memory was 249.0 MB in the beginning and 294.6 MB in the end (delta: 45.6 MB). Free memory was 187.7 MB in the beginning and 106.7 MB in the end (delta: 81.0 MB). Peak memory consumption was 126.6 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:18,210 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.12 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 164.8 MB in the end (delta: -63.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.72 ms. Allocated memory is still 203.4 MB. Free memory was 164.8 MB in the beginning and 159.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.71 ms. Allocated memory is still 203.4 MB. Free memory was 159.3 MB in the beginning and 155.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2322.68 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 154.5 MB in the beginning and 187.7 MB in the end (delta: -33.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3177.69 ms. Allocated memory was 249.0 MB in the beginning and 294.6 MB in the end (delta: 45.6 MB). Free memory was 187.7 MB in the beginning and 106.7 MB in the end (delta: 81.0 MB). Peak memory consumption was 126.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 526]: 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) || a19 == 1) || !(a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (!(a28 == 8) || a19 == 1) || !(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: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 94 SDtfs, 404 SDslu, 25 SDs, 0 SdLazy, 1117 SolverSat, 346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 40 NumberOfFragments, 25 HoareAnnotationTreeSize, 3 FomulaSimplifications, 212 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 54490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 61/61 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...