/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_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:32:17,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:32:17,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:32:17,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:32:17,226 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 23:32:17,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:32:17,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:32:17,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:32:17,244 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:32:17,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:32:17,245 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:32:17,245 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:32:17,245 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:32:17,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:32:17,246 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:32:17,246 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:32:17,246 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:32:17,246 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:32:17,247 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:32:17,247 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:32:17,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:32:17,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:32:17,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:32:17,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:32:17,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:32:17,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:32:17,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:32:17,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:32:17,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:32:17,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:32:17,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:32:17,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:32:17,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:32:17,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:32:17,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:32:17,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:32:17,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:32:17,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:32:17,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:32:17,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:32:17,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:32:17,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:32:17,255 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:32:17,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:32:17,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:32:17,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:32:17,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:32:17,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:32:17,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-11-23 23:32:17,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca7ba4a7/6b41265c219e44eaa097f6210dd46a3c/FLAG110e83e7f [2019-11-23 23:32:18,230 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:32:18,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-11-23 23:32:18,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca7ba4a7/6b41265c219e44eaa097f6210dd46a3c/FLAG110e83e7f [2019-11-23 23:32:18,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca7ba4a7/6b41265c219e44eaa097f6210dd46a3c [2019-11-23 23:32:18,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:32:18,492 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:32:18,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:18,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:32:18,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:32:18,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db49638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:18, skipping insertion in model container [2019-11-23 23:32:18,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:18" (1/1) ... [2019-11-23 23:32:18,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:32:18,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:32:19,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:19,056 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:32:19,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:32:19,179 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:32:19,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19 WrapperNode [2019-11-23 23:32:19,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:32:19,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:19,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:32:19,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:32:19,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:32:19,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:32:19,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:32:19,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:32:19,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... [2019-11-23 23:32:19,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:32:19,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:32:19,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:32:19,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:32:19,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:32:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:32:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:32:21,489 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:32:21,489 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:32:21,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:21 BoogieIcfgContainer [2019-11-23 23:32:21,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:32:21,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:32:21,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:32:21,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:32:21,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:18" (1/3) ... [2019-11-23 23:32:21,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753f13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:21, skipping insertion in model container [2019-11-23 23:32:21,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:19" (2/3) ... [2019-11-23 23:32:21,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753f13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:21, skipping insertion in model container [2019-11-23 23:32:21,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:21" (3/3) ... [2019-11-23 23:32:21,500 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label18.c [2019-11-23 23:32:21,509 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:32:21,518 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:32:21,529 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:32:21,557 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:32:21,557 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:32:21,557 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:32:21,557 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:32:21,558 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:32:21,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:32:21,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:32:21,558 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:32:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:32:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:32:21,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:21,588 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:21,589 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:21,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:21,595 INFO L82 PathProgramCache]: Analyzing trace with hash 925960207, now seen corresponding path program 1 times [2019-11-23 23:32:21,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:21,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393792935] [2019-11-23 23:32:21,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:21,944 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 23:32:21,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393792935] [2019-11-23 23:32:21,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:21,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:32:21,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144236306] [2019-11-23 23:32:21,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:32:21,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:21,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:32:21,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:32:21,972 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states. [2019-11-23 23:32:22,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:22,477 INFO L93 Difference]: Finished difference Result 251 states and 482 transitions. [2019-11-23 23:32:22,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:32:22,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-11-23 23:32:22,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:22,494 INFO L225 Difference]: With dead ends: 251 [2019-11-23 23:32:22,495 INFO L226 Difference]: Without dead ends: 163 [2019-11-23 23:32:22,498 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 23:32:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-11-23 23:32:22,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-11-23 23:32:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-23 23:32:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 288 transitions. [2019-11-23 23:32:22,591 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 288 transitions. Word has length 80 [2019-11-23 23:32:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:22,593 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 288 transitions. [2019-11-23 23:32:22,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:32:22,594 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 288 transitions. [2019-11-23 23:32:22,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-23 23:32:22,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:22,602 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:22,603 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:22,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:22,603 INFO L82 PathProgramCache]: Analyzing trace with hash 221760686, now seen corresponding path program 1 times [2019-11-23 23:32:22,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:22,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478894097] [2019-11-23 23:32:22,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:22,786 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478894097] [2019-11-23 23:32:22,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:22,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:22,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52646116] [2019-11-23 23:32:22,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:22,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:22,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:22,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:22,789 INFO L87 Difference]: Start difference. First operand 163 states and 288 transitions. Second operand 4 states. [2019-11-23 23:32:23,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:23,372 INFO L93 Difference]: Finished difference Result 647 states and 1148 transitions. [2019-11-23 23:32:23,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:23,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-11-23 23:32:23,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:23,377 INFO L225 Difference]: With dead ends: 647 [2019-11-23 23:32:23,377 INFO L226 Difference]: Without dead ends: 485 [2019-11-23 23:32:23,379 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:23,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-11-23 23:32:23,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 323. [2019-11-23 23:32:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-11-23 23:32:23,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 549 transitions. [2019-11-23 23:32:23,403 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 549 transitions. Word has length 98 [2019-11-23 23:32:23,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:23,404 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 549 transitions. [2019-11-23 23:32:23,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 549 transitions. [2019-11-23 23:32:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-23 23:32:23,407 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:23,408 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:23,408 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:23,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1583662638, now seen corresponding path program 1 times [2019-11-23 23:32:23,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:23,409 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064493526] [2019-11-23 23:32:23,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:23,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064493526] [2019-11-23 23:32:23,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:23,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:32:23,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495899587] [2019-11-23 23:32:23,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:23,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:23,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:23,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:23,468 INFO L87 Difference]: Start difference. First operand 323 states and 549 transitions. Second operand 4 states. [2019-11-23 23:32:24,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:24,290 INFO L93 Difference]: Finished difference Result 1285 states and 2191 transitions. [2019-11-23 23:32:24,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:24,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-23 23:32:24,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:24,296 INFO L225 Difference]: With dead ends: 1285 [2019-11-23 23:32:24,297 INFO L226 Difference]: Without dead ends: 963 [2019-11-23 23:32:24,299 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 23:32:24,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-11-23 23:32:24,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 643. [2019-11-23 23:32:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-11-23 23:32:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1034 transitions. [2019-11-23 23:32:24,333 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1034 transitions. Word has length 99 [2019-11-23 23:32:24,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:24,333 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 1034 transitions. [2019-11-23 23:32:24,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1034 transitions. [2019-11-23 23:32:24,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-23 23:32:24,339 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:32:24,339 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:32:24,339 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:32:24,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:32:24,340 INFO L82 PathProgramCache]: Analyzing trace with hash -875184541, now seen corresponding path program 1 times [2019-11-23 23:32:24,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:32:24,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907368852] [2019-11-23 23:32:24,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:32:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:32:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:32:24,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907368852] [2019-11-23 23:32:24,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:32:24,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:32:24,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568013502] [2019-11-23 23:32:24,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:32:24,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:32:24,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:32:24,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:24,449 INFO L87 Difference]: Start difference. First operand 643 states and 1034 transitions. Second operand 4 states. [2019-11-23 23:32:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:32:25,314 INFO L93 Difference]: Finished difference Result 2083 states and 3282 transitions. [2019-11-23 23:32:25,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:32:25,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-11-23 23:32:25,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:32:25,316 INFO L225 Difference]: With dead ends: 2083 [2019-11-23 23:32:25,316 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:32:25,319 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:32:25,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:32:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:32:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:32:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:32:25,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2019-11-23 23:32:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:32:25,321 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:32:25,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:32:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:32:25,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:32:25,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:32:25,521 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:32:25,524 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:32:25,524 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:32:25,524 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:32:25,524 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:32:25,524 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:32:25,524 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:32:25,525 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:32:25,525 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:32:25,525 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:32:25,525 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:32:25,525 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:32:25,525 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:32:25,525 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:32:25,526 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:32:25,526 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:32:25,526 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:32:25,526 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:32:25,526 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:32:25,526 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:32:25,526 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:32:25,529 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:32:25,529 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:32:25,529 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:32:25,529 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:32:25,529 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:32:25,530 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:32:25,530 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:32:25,530 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:32:25,530 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:32:25,530 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:32:25,530 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:32:25,530 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:32:25,530 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:32:25,533 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:32:25,533 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:32:25,533 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2019-11-23 23:32:25,533 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:32:25,534 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:32:25,534 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:32:25,534 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:32:25,535 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 1))) (.cse2 (= ~a19~0 1)) (.cse1 (not (= ~a11~0 1)))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse2 .cse1) (not (= ~a28~0 11)))) [2019-11-23 23:32:25,535 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:32:25,535 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:32:25,535 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:32:25,536 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:32:25,536 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:32:25,536 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:32:25,536 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:32:25,536 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:32:25,536 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:32:25,536 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:32:25,537 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 1))) (.cse2 (= ~a19~0 1)) (.cse1 (not (= ~a11~0 1)))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse2 .cse1) (not (= ~a28~0 11)))) [2019-11-23 23:32:25,537 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:32:25,537 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:32:25,537 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:32:25,537 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:32:25,537 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:32:25,537 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:32:25,538 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:32:25,538 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:32:25,538 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:32:25,538 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:32:25,538 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:32:25,538 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:32:25,538 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:32:25,539 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:32:25,544 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:32:25,544 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:32:25,544 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:32:25,544 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-23 23:32:25,544 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:32:25,544 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:32:25,545 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:32:25,545 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:32:25,545 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:32:25,545 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:32:25,545 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:32:25,545 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:32:25,545 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:32:25,545 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:32:25,548 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:32:25,548 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:32:25,548 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:32:25,548 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:32:25,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:32:25 BoogieIcfgContainer [2019-11-23 23:32:25,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:32:25,582 INFO L168 Benchmark]: Toolchain (without parser) took 7088.24 ms. Allocated memory was 144.2 MB in the beginning and 303.6 MB in the end (delta: 159.4 MB). Free memory was 100.7 MB in the beginning and 182.8 MB in the end (delta: -82.1 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,585 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.56 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.5 MB in the beginning and 170.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.61 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 164.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,596 INFO L168 Benchmark]: Boogie Preprocessor took 66.77 ms. Allocated memory is still 203.4 MB. Free memory was 164.5 MB in the beginning and 159.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,597 INFO L168 Benchmark]: RCFGBuilder took 2155.78 ms. Allocated memory was 203.4 MB in the beginning and 252.2 MB in the end (delta: 48.8 MB). Free memory was 159.5 MB in the beginning and 197.5 MB in the end (delta: -37.9 MB). Peak memory consumption was 115.0 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,599 INFO L168 Benchmark]: TraceAbstraction took 4087.02 ms. Allocated memory was 252.2 MB in the beginning and 303.6 MB in the end (delta: 51.4 MB). Free memory was 197.5 MB in the beginning and 182.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. [2019-11-23 23:32:25,610 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 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.56 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.5 MB in the beginning and 170.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.61 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 164.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.77 ms. Allocated memory is still 203.4 MB. Free memory was 164.5 MB in the beginning and 159.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2155.78 ms. Allocated memory was 203.4 MB in the beginning and 252.2 MB in the end (delta: 48.8 MB). Free memory was 159.5 MB in the beginning and 197.5 MB in the end (delta: -37.9 MB). Peak memory consumption was 115.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4087.02 ms. Allocated memory was 252.2 MB in the beginning and 303.6 MB in the end (delta: 51.4 MB). Free memory was 197.5 MB in the beginning and 182.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 553]: 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: (((!(a25 == 1) && !(a11 == 1)) || (!(a25 == 1) && a19 == 1)) || (a19 == 1 && !(a11 == 1))) || !(a28 == 11) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a25 == 1) && !(a11 == 1)) || (!(a25 == 1) && a19 == 1)) || (a19 == 1 && !(a11 == 1))) || !(a28 == 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 152 SDtfs, 555 SDslu, 63 SDs, 0 SdLazy, 1662 SolverSat, 417 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=643occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 482 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 61 HoareAnnotationTreeSize, 3 FomulaSimplifications, 636 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 375 ConstructedInterpolants, 0 QuantifiedInterpolants, 61271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 59/59 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...