/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_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:33:40,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:33:40,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:33:40,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 23:33:40,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-23 23:33:40,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:33:40,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:33:40,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:33:40,906 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:33:40,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:33:40,906 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:33:40,906 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:33:40,907 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:33:40,907 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:33:40,907 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:33:40,907 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:33:40,907 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:33:40,908 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:33:40,908 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:33:40,908 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:33:40,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:33:40,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:33:40,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:33:40,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:33:40,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:33:40,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:33:40,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:33:40,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:33:40,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:33:40,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:33:40,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:33:40,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:33:40,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:33:40,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:33:40,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:33:40,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:33:40,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:33:40,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:33:40,916 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:33:40,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:33:40,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:33:40,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:33:40,918 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:33:41,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:33:41,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:33:41,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:33:41,210 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:33:41,211 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:33:41,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2019-11-23 23:33:41,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8df695bf/ede35636aea44d0abea8693f1dc9b261/FLAGcd505dea0 [2019-11-23 23:33:41,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:33:41,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2019-11-23 23:33:41,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8df695bf/ede35636aea44d0abea8693f1dc9b261/FLAGcd505dea0 [2019-11-23 23:33:42,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8df695bf/ede35636aea44d0abea8693f1dc9b261 [2019-11-23 23:33:42,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:33:42,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:33:42,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:33:42,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:33:42,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:33:42,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31dc77c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42, skipping insertion in model container [2019-11-23 23:33:42,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:33:42,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:33:42,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:33:42,641 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:33:42,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:33:42,755 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:33:42,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42 WrapperNode [2019-11-23 23:33:42,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:33:42,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:33:42,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:33:42,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:33:42,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:33:42,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:33:42,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:33:42,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:33:42,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... [2019-11-23 23:33:42,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:33:42,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:33:42,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:33:42,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:33:42,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:33:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:33:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:33:45,014 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:33:45,015 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 23:33:45,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:45 BoogieIcfgContainer [2019-11-23 23:33:45,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:33:45,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:33:45,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:33:45,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:33:45,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:33:42" (1/3) ... [2019-11-23 23:33:45,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4578a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:45, skipping insertion in model container [2019-11-23 23:33:45,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:42" (2/3) ... [2019-11-23 23:33:45,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4578a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:45, skipping insertion in model container [2019-11-23 23:33:45,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:45" (3/3) ... [2019-11-23 23:33:45,024 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label58.c [2019-11-23 23:33:45,034 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:33:45,041 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:33:45,052 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:33:45,078 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:33:45,078 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:33:45,078 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:33:45,079 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:33:45,079 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:33:45,079 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:33:45,079 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:33:45,079 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:33:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2019-11-23 23:33:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-23 23:33:45,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:45,107 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:33:45,108 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:45,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:45,114 INFO L82 PathProgramCache]: Analyzing trace with hash 925948297, now seen corresponding path program 1 times [2019-11-23 23:33:45,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:45,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171823632] [2019-11-23 23:33:45,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:45,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:33:45,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171823632] [2019-11-23 23:33:45,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:45,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 23:33:45,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592113545] [2019-11-23 23:33:45,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 23:33:45,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:45,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 23:33:45,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:45,517 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states. [2019-11-23 23:33:46,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:46,074 INFO L93 Difference]: Finished difference Result 251 states and 482 transitions. [2019-11-23 23:33:46,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 23:33:46,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-11-23 23:33:46,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:46,090 INFO L225 Difference]: With dead ends: 251 [2019-11-23 23:33:46,091 INFO L226 Difference]: Without dead ends: 163 [2019-11-23 23:33:46,094 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 23:33:46,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-11-23 23:33:46,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-11-23 23:33:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-23 23:33:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 288 transitions. [2019-11-23 23:33:46,184 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 288 transitions. Word has length 80 [2019-11-23 23:33:46,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:46,185 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 288 transitions. [2019-11-23 23:33:46,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 23:33:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 288 transitions. [2019-11-23 23:33:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-23 23:33:46,193 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:46,193 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 23:33:46,194 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:46,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:46,194 INFO L82 PathProgramCache]: Analyzing trace with hash 221748776, now seen corresponding path program 1 times [2019-11-23 23:33:46,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:46,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536163222] [2019-11-23 23:33:46,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:46,363 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 23:33:46,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536163222] [2019-11-23 23:33:46,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:46,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:33:46,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20675028] [2019-11-23 23:33:46,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:46,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:46,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:46,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:46,367 INFO L87 Difference]: Start difference. First operand 163 states and 288 transitions. Second operand 4 states. [2019-11-23 23:33:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:46,922 INFO L93 Difference]: Finished difference Result 647 states and 1148 transitions. [2019-11-23 23:33:46,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:46,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-11-23 23:33:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:46,929 INFO L225 Difference]: With dead ends: 647 [2019-11-23 23:33:46,929 INFO L226 Difference]: Without dead ends: 485 [2019-11-23 23:33:46,931 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:46,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-11-23 23:33:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 323. [2019-11-23 23:33:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-11-23 23:33:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 549 transitions. [2019-11-23 23:33:46,968 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 549 transitions. Word has length 98 [2019-11-23 23:33:46,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:46,968 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 549 transitions. [2019-11-23 23:33:46,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 549 transitions. [2019-11-23 23:33:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-23 23:33:46,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:46,972 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 23:33:46,972 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:46,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:46,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1583674548, now seen corresponding path program 1 times [2019-11-23 23:33:46,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:46,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855604655] [2019-11-23 23:33:46,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:47,056 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 23:33:47,056 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855604655] [2019-11-23 23:33:47,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:47,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 23:33:47,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123828314] [2019-11-23 23:33:47,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:47,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:47,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:47,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:47,060 INFO L87 Difference]: Start difference. First operand 323 states and 549 transitions. Second operand 4 states. [2019-11-23 23:33:47,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:47,729 INFO L93 Difference]: Finished difference Result 1285 states and 2191 transitions. [2019-11-23 23:33:47,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:47,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-23 23:33:47,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:47,737 INFO L225 Difference]: With dead ends: 1285 [2019-11-23 23:33:47,737 INFO L226 Difference]: Without dead ends: 963 [2019-11-23 23:33:47,740 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-11-23 23:33:47,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 643. [2019-11-23 23:33:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-11-23 23:33:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1034 transitions. [2019-11-23 23:33:47,769 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1034 transitions. Word has length 99 [2019-11-23 23:33:47,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:47,770 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 1034 transitions. [2019-11-23 23:33:47,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1034 transitions. [2019-11-23 23:33:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-23 23:33:47,774 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:33:47,774 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 23:33:47,774 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:33:47,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:33:47,775 INFO L82 PathProgramCache]: Analyzing trace with hash -875196451, now seen corresponding path program 1 times [2019-11-23 23:33:47,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:33:47,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904470881] [2019-11-23 23:33:47,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:33:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:33:47,833 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 23:33:47,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904470881] [2019-11-23 23:33:47,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:33:47,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:33:47,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648189963] [2019-11-23 23:33:47,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:33:47,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:33:47,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:33:47,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:47,836 INFO L87 Difference]: Start difference. First operand 643 states and 1034 transitions. Second operand 4 states. [2019-11-23 23:33:48,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:33:48,588 INFO L93 Difference]: Finished difference Result 2083 states and 3282 transitions. [2019-11-23 23:33:48,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:33:48,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-11-23 23:33:48,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:33:48,590 INFO L225 Difference]: With dead ends: 2083 [2019-11-23 23:33:48,590 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 23:33:48,593 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:33:48,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 23:33:48,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 23:33:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 23:33:48,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 23:33:48,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2019-11-23 23:33:48,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:33:48,594 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 23:33:48,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:33:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 23:33:48,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 23:33:48,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 23:33:48,768 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-23 23:33:48,768 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-23 23:33:48,768 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-23 23:33:48,768 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-23 23:33:48,768 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-23 23:33:48,768 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-23 23:33:48,769 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-23 23:33:48,769 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-23 23:33:48,769 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-23 23:33:48,769 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-23 23:33:48,769 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-23 23:33:48,769 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-23 23:33:48,769 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-23 23:33:48,770 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-23 23:33:48,770 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-23 23:33:48,770 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-23 23:33:48,770 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-23 23:33:48,770 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-23 23:33:48,770 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-23 23:33:48,770 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-23 23:33:48,771 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-23 23:33:48,771 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-23 23:33:48,771 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-23 23:33:48,771 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-23 23:33:48,771 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-23 23:33:48,771 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 23:33:48,771 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-23 23:33:48,772 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-23 23:33:48,772 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-23 23:33:48,772 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-23 23:33:48,772 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-23 23:33:48,772 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-23 23:33:48,772 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-23 23:33:48,772 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-23 23:33:48,772 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-23 23:33:48,773 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-23 23:33:48,773 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-11-23 23:33:48,773 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-23 23:33:48,773 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-23 23:33:48,773 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-23 23:33:48,773 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-23 23:33:48,774 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 23:33:48,774 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-23 23:33:48,774 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-23 23:33:48,774 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-23 23:33:48,774 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-23 23:33:48,775 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-23 23:33:48,775 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-23 23:33:48,775 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-23 23:33:48,775 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-23 23:33:48,775 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-23 23:33:48,775 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-23 23:33:48,775 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 23:33:48,776 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-23 23:33:48,776 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-23 23:33:48,776 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-23 23:33:48,776 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:48,776 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-23 23:33:48,776 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-23 23:33:48,776 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-23 23:33:48,777 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-23 23:33:48,777 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-23 23:33:48,777 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-23 23:33:48,777 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-23 23:33:48,777 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-23 23:33:48,777 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-23 23:33:48,777 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 23:33:48,778 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-23 23:33:48,778 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-23 23:33:48,778 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-23 23:33:48,778 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-23 23:33:48,778 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-23 23:33:48,778 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-23 23:33:48,778 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-23 23:33:48,779 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-23 23:33:48,779 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-23 23:33:48,779 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-23 23:33:48,779 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-23 23:33:48,779 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-23 23:33:48,779 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-23 23:33:48,779 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-23 23:33:48,780 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-23 23:33:48,780 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-23 23:33:48,780 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-23 23:33:48,780 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-23 23:33:48,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:33:48 BoogieIcfgContainer [2019-11-23 23:33:48,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 23:33:48,801 INFO L168 Benchmark]: Toolchain (without parser) took 6724.12 ms. Allocated memory was 139.5 MB in the beginning and 297.8 MB in the end (delta: 158.3 MB). Free memory was 99.8 MB in the beginning and 161.7 MB in the end (delta: -61.9 MB). Peak memory consumption was 96.5 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:48,802 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-23 23:33:48,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.50 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 99.6 MB in the beginning and 171.4 MB in the end (delta: -71.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:48,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.27 ms. Allocated memory is still 205.0 MB. Free memory was 171.4 MB in the beginning and 165.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:48,805 INFO L168 Benchmark]: Boogie Preprocessor took 65.57 ms. Allocated memory is still 205.0 MB. Free memory was 165.8 MB in the beginning and 161.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:48,805 INFO L168 Benchmark]: RCFGBuilder took 2085.19 ms. Allocated memory was 205.0 MB in the beginning and 251.1 MB in the end (delta: 46.1 MB). Free memory was 161.6 MB in the beginning and 197.0 MB in the end (delta: -35.4 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:48,807 INFO L168 Benchmark]: TraceAbstraction took 3780.55 ms. Allocated memory was 251.1 MB in the beginning and 297.8 MB in the end (delta: 46.7 MB). Free memory was 197.0 MB in the beginning and 161.7 MB in the end (delta: 35.3 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-11-23 23:33:48,811 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.50 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 99.6 MB in the beginning and 171.4 MB in the end (delta: -71.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 107.27 ms. Allocated memory is still 205.0 MB. Free memory was 171.4 MB in the beginning and 165.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.57 ms. Allocated memory is still 205.0 MB. Free memory was 165.8 MB in the beginning and 161.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2085.19 ms. Allocated memory was 205.0 MB in the beginning and 251.1 MB in the end (delta: 46.1 MB). Free memory was 161.6 MB in the beginning and 197.0 MB in the end (delta: -35.4 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3780.55 ms. Allocated memory was 251.1 MB in the beginning and 297.8 MB in the end (delta: 46.7 MB). Free memory was 197.0 MB in the beginning and 161.7 MB in the end (delta: 35.3 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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: 3.7s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 152 SDtfs, 555 SDslu, 63 SDs, 0 SdLazy, 1662 SolverSat, 417 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s 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, 0.0s 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...