java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label14_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 02:20:27,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 02:20:27,039 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 02:20:27,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 02:20:27,057 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 02:20:27,058 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 02:20:27,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 02:20:27,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 02:20:27,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 02:20:27,073 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 02:20:27,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 02:20:27,074 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 02:20:27,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 02:20:27,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 02:20:27,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 02:20:27,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 02:20:27,094 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 02:20:27,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 02:20:27,098 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 02:20:27,099 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 02:20:27,101 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 02:20:27,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 02:20:27,107 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 02:20:27,127 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 02:20:27,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 02:20:27,154 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 02:20:27,155 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 02:20:27,155 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 02:20:27,155 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 02:20:27,155 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 02:20:27,155 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 02:20:27,156 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 02:20:27,156 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 02:20:27,156 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 02:20:27,156 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 02:20:27,156 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 02:20:27,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 02:20:27,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 02:20:27,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 02:20:27,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 02:20:27,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 02:20:27,161 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 02:20:27,161 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 02:20:27,161 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 02:20:27,162 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 02:20:27,162 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 02:20:27,162 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 02:20:27,162 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 02:20:27,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 02:20:27,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 02:20:27,165 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 02:20:27,165 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 02:20:27,165 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 02:20:27,165 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 02:20:27,166 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 02:20:27,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 02:20:27,166 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 02:20:27,166 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 02:20:27,166 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 02:20:27,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 02:20:27,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 02:20:27,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 02:20:27,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 02:20:27,247 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 02:20:27,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label14_false-unreach-call.c [2018-07-21 02:20:27,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/ee45b524d/d16303d03b6b43f49dafb24006f86a7d/FLAG4e9bea109 [2018-07-21 02:20:28,015 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 02:20:28,016 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label14_false-unreach-call.c [2018-07-21 02:20:28,055 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/ee45b524d/d16303d03b6b43f49dafb24006f86a7d/FLAG4e9bea109 [2018-07-21 02:20:28,079 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/ee45b524d/d16303d03b6b43f49dafb24006f86a7d [2018-07-21 02:20:28,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 02:20:28,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 02:20:28,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 02:20:28,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 02:20:28,111 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 02:20:28,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:20:28" (1/1) ... [2018-07-21 02:20:28,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c098c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:28, skipping insertion in model container [2018-07-21 02:20:28,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:20:28" (1/1) ... [2018-07-21 02:20:28,390 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 02:20:28,889 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 02:20:28,908 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 02:20:29,130 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 02:20:29,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29 WrapperNode [2018-07-21 02:20:29,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 02:20:29,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 02:20:29,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 02:20:29,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 02:20:29,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 02:20:29,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 02:20:29,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 02:20:29,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 02:20:29,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... [2018-07-21 02:20:29,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 02:20:29,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 02:20:29,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 02:20:29,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 02:20:29,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 02:20:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 02:20:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 02:20:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 02:20:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 02:20:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 02:20:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 02:20:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 02:20:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 02:20:34,140 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 02:20:34,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:20:34 BoogieIcfgContainer [2018-07-21 02:20:34,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 02:20:34,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 02:20:34,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 02:20:34,169 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 02:20:34,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:20:28" (1/3) ... [2018-07-21 02:20:34,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a94322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:20:34, skipping insertion in model container [2018-07-21 02:20:34,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:20:29" (2/3) ... [2018-07-21 02:20:34,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a94322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:20:34, skipping insertion in model container [2018-07-21 02:20:34,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:20:34" (3/3) ... [2018-07-21 02:20:34,174 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label14_false-unreach-call.c [2018-07-21 02:20:34,185 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 02:20:34,195 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 02:20:34,254 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 02:20:34,255 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 02:20:34,255 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 02:20:34,255 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 02:20:34,256 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 02:20:34,256 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 02:20:34,256 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 02:20:34,256 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 02:20:34,256 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 02:20:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-07-21 02:20:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-21 02:20:34,330 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 02:20:34,332 INFO L358 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] [2018-07-21 02:20:34,332 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 02:20:34,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1094287159, now seen corresponding path program 1 times [2018-07-21 02:20:34,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 02:20:34,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:20:34,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 02:20:34,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:20:34,405 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 02:20:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 02:20:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 02:20:34,760 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 02:20:34,761 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 02:20:34,761 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 02:20:34,764 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 02:20:34,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 02:20:34,776 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 02:20:34,779 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-07-21 02:20:37,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 02:20:37,597 INFO L93 Difference]: Finished difference Result 985 states and 1761 transitions. [2018-07-21 02:20:37,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 02:20:37,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-07-21 02:20:37,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 02:20:37,624 INFO L225 Difference]: With dead ends: 985 [2018-07-21 02:20:37,624 INFO L226 Difference]: Without dead ends: 686 [2018-07-21 02:20:37,634 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 02:20:37,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-07-21 02:20:37,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2018-07-21 02:20:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2018-07-21 02:20:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1046 transitions. [2018-07-21 02:20:37,797 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1046 transitions. Word has length 23 [2018-07-21 02:20:37,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 02:20:37,797 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 1046 transitions. [2018-07-21 02:20:37,797 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 02:20:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1046 transitions. [2018-07-21 02:20:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-21 02:20:37,805 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 02:20:37,806 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 02:20:37,806 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 02:20:37,806 INFO L82 PathProgramCache]: Analyzing trace with hash 816609747, now seen corresponding path program 1 times [2018-07-21 02:20:37,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 02:20:37,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:20:37,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 02:20:37,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:20:37,811 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 02:20:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 02:20:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 02:20:38,192 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 02:20:38,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 02:20:38,192 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 02:20:38,195 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 02:20:38,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 02:20:38,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-21 02:20:38,195 INFO L87 Difference]: Start difference. First operand 686 states and 1046 transitions. Second operand 6 states. [2018-07-21 02:20:44,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 02:20:44,622 INFO L93 Difference]: Finished difference Result 2339 states and 3736 transitions. [2018-07-21 02:20:44,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 02:20:44,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-07-21 02:20:44,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 02:20:44,640 INFO L225 Difference]: With dead ends: 2339 [2018-07-21 02:20:44,640 INFO L226 Difference]: Without dead ends: 1659 [2018-07-21 02:20:44,645 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-21 02:20:44,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2018-07-21 02:20:44,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1642. [2018-07-21 02:20:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2018-07-21 02:20:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2356 transitions. [2018-07-21 02:20:44,757 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2356 transitions. Word has length 104 [2018-07-21 02:20:44,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 02:20:44,758 INFO L471 AbstractCegarLoop]: Abstraction has 1642 states and 2356 transitions. [2018-07-21 02:20:44,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 02:20:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2356 transitions. [2018-07-21 02:20:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-21 02:20:44,770 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 02:20:44,770 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 02:20:44,771 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 02:20:44,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1203084909, now seen corresponding path program 1 times [2018-07-21 02:20:44,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 02:20:44,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:20:44,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 02:20:44,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:20:44,773 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 02:20:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 02:20:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 02:20:45,025 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 02:20:45,025 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 02:20:45,025 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 02:20:45,026 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 02:20:45,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 02:20:45,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 02:20:45,027 INFO L87 Difference]: Start difference. First operand 1642 states and 2356 transitions. Second operand 4 states. [2018-07-21 02:20:47,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 02:20:47,139 INFO L93 Difference]: Finished difference Result 6026 states and 9066 transitions. [2018-07-21 02:20:47,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 02:20:47,176 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2018-07-21 02:20:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 02:20:47,215 INFO L225 Difference]: With dead ends: 6026 [2018-07-21 02:20:47,215 INFO L226 Difference]: Without dead ends: 4390 [2018-07-21 02:20:47,230 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 02:20:47,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2018-07-21 02:20:47,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 4364. [2018-07-21 02:20:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4364 states. [2018-07-21 02:20:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4364 states to 4364 states and 6079 transitions. [2018-07-21 02:20:47,429 INFO L78 Accepts]: Start accepts. Automaton has 4364 states and 6079 transitions. Word has length 155 [2018-07-21 02:20:47,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 02:20:47,430 INFO L471 AbstractCegarLoop]: Abstraction has 4364 states and 6079 transitions. [2018-07-21 02:20:47,430 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 02:20:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 4364 states and 6079 transitions. [2018-07-21 02:20:47,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-07-21 02:20:47,452 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 02:20:47,452 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 02:20:47,452 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 02:20:47,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1751758286, now seen corresponding path program 1 times [2018-07-21 02:20:47,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 02:20:47,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:20:47,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 02:20:47,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:20:47,457 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 02:20:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 02:20:47,802 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 02:20:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 32 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 02:20:47,874 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 02:20:47,875 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 02:20:47,876 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-07-21 02:20:47,880 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [109], [111], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [530], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [650], [654], [658], [662], [666], [670], [674], [678], [682], [686], [690], [701], [712], [716], [720], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [786], [790], [801], [805], [809], [813], [817], [821], [832], [836], [840], [844], [848], [852], [856], [867], [871], [874], [1108], [1109], [1110], [1111], [1113], [1114] [2018-07-21 02:20:47,965 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 02:20:47,966 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 02:20:54,988 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 02:21:12,224 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 02:21:12,226 INFO L272 AbstractInterpreter]: Visited 150 different actions 150 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-07-21 02:21:12,241 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 02:21:25,733 INFO L232 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 73.15% of their original sizes. [2018-07-21 02:21:25,733 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 02:21:27,243 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 02:21:27,244 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 02:21:27,244 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-07-21 02:21:27,245 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 02:21:27,245 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-21 02:21:27,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-21 02:21:27,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-07-21 02:21:27,246 INFO L87 Difference]: Start difference. First operand 4364 states and 6079 transitions. Second operand 10 states. [2018-07-21 02:23:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 02:23:44,138 INFO L93 Difference]: Finished difference Result 8914 states and 12374 transitions. [2018-07-21 02:23:44,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-21 02:23:44,138 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 241 [2018-07-21 02:23:44,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 02:23:44,167 INFO L225 Difference]: With dead ends: 8914 [2018-07-21 02:23:44,167 INFO L226 Difference]: Without dead ends: 4556 [2018-07-21 02:23:44,185 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 244 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-07-21 02:23:44,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2018-07-21 02:23:44,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 4554. [2018-07-21 02:23:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4554 states. [2018-07-21 02:23:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4554 states to 4554 states and 6280 transitions. [2018-07-21 02:23:44,364 INFO L78 Accepts]: Start accepts. Automaton has 4554 states and 6280 transitions. Word has length 241 [2018-07-21 02:23:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 02:23:44,364 INFO L471 AbstractCegarLoop]: Abstraction has 4554 states and 6280 transitions. [2018-07-21 02:23:44,365 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-21 02:23:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4554 states and 6280 transitions. [2018-07-21 02:23:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-07-21 02:23:44,382 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 02:23:44,382 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 02:23:44,382 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 02:23:44,382 INFO L82 PathProgramCache]: Analyzing trace with hash 933098225, now seen corresponding path program 1 times [2018-07-21 02:23:44,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 02:23:44,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:23:44,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 02:23:44,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:23:44,384 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 02:23:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 02:23:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-07-21 02:23:44,720 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 02:23:44,720 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 02:23:44,721 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 02:23:44,721 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 02:23:44,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 02:23:44,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 02:23:44,725 INFO L87 Difference]: Start difference. First operand 4554 states and 6280 transitions. Second operand 3 states. [2018-07-21 02:23:45,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 02:23:45,832 INFO L93 Difference]: Finished difference Result 11196 states and 16014 transitions. [2018-07-21 02:23:45,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 02:23:45,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2018-07-21 02:23:45,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 02:23:45,878 INFO L225 Difference]: With dead ends: 11196 [2018-07-21 02:23:45,879 INFO L226 Difference]: Without dead ends: 6838 [2018-07-21 02:23:45,908 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 02:23:45,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6838 states. [2018-07-21 02:23:46,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6838 to 6838. [2018-07-21 02:23:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6838 states. [2018-07-21 02:23:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6838 states to 6838 states and 9128 transitions. [2018-07-21 02:23:46,131 INFO L78 Accepts]: Start accepts. Automaton has 6838 states and 9128 transitions. Word has length 294 [2018-07-21 02:23:46,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 02:23:46,132 INFO L471 AbstractCegarLoop]: Abstraction has 6838 states and 9128 transitions. [2018-07-21 02:23:46,132 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 02:23:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 6838 states and 9128 transitions. [2018-07-21 02:23:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-07-21 02:23:46,147 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 02:23:46,148 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 02:23:46,148 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 02:23:46,148 INFO L82 PathProgramCache]: Analyzing trace with hash -323471204, now seen corresponding path program 1 times [2018-07-21 02:23:46,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 02:23:46,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:23:46,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 02:23:46,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:23:46,150 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 02:23:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 02:23:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-07-21 02:23:46,532 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 02:23:46,532 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 02:23:46,533 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 02:23:46,533 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 02:23:46,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 02:23:46,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-21 02:23:46,534 INFO L87 Difference]: Start difference. First operand 6838 states and 9128 transitions. Second operand 4 states. [2018-07-21 02:23:47,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 02:23:47,359 INFO L93 Difference]: Finished difference Result 13475 states and 18074 transitions. [2018-07-21 02:23:47,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 02:23:47,359 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 315 [2018-07-21 02:23:47,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 02:23:47,393 INFO L225 Difference]: With dead ends: 13475 [2018-07-21 02:23:47,393 INFO L226 Difference]: Without dead ends: 6833 [2018-07-21 02:23:47,413 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-21 02:23:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6833 states. [2018-07-21 02:23:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6833 to 6833. [2018-07-21 02:23:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6833 states. [2018-07-21 02:23:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6833 states to 6833 states and 9115 transitions. [2018-07-21 02:23:47,627 INFO L78 Accepts]: Start accepts. Automaton has 6833 states and 9115 transitions. Word has length 315 [2018-07-21 02:23:47,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 02:23:47,628 INFO L471 AbstractCegarLoop]: Abstraction has 6833 states and 9115 transitions. [2018-07-21 02:23:47,628 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 02:23:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 6833 states and 9115 transitions. [2018-07-21 02:23:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-07-21 02:23:47,642 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 02:23:47,642 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-21 02:23:47,642 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 02:23:47,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1902264070, now seen corresponding path program 1 times [2018-07-21 02:23:47,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 02:23:47,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:23:47,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 02:23:47,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 02:23:47,647 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 02:23:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 02:23:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-07-21 02:23:48,196 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 02:23:48,196 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 02:23:48,196 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 318 with the following transitions: [2018-07-21 02:23:48,197 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [109], [111], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [619], [623], [627], [631], [635], [639], [650], [654], [658], [662], [666], [670], [674], [678], [682], [686], [690], [701], [712], [716], [720], [731], [734], [1108], [1109], [1110], [1111], [1113], [1114] [2018-07-21 02:23:48,203 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 02:23:48,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 02:23:54,683 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-21 02:24:04,289 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 02:24:04,290 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 02:24:04,291 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 02:24:04,291 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 02:24:04,291 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 02:24:04,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 02:24:04,301 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 02:24:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 02:24:04,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 02:24:04,481 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 02:24:04,682 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 02:24:04,683 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 02:24:04,686 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 02:24:04,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 02:24:04 BoogieIcfgContainer [2018-07-21 02:24:04,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 02:24:04,688 INFO L168 Benchmark]: Toolchain (without parser) took 216594.93 ms. Allocated memory was 307.8 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 251.2 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 936.3 MB. Max. memory is 5.3 GB. [2018-07-21 02:24:04,689 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 307.8 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 02:24:04,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1146.57 ms. Allocated memory was 307.8 MB in the beginning and 338.2 MB in the end (delta: 30.4 MB). Free memory was 250.2 MB in the beginning and 296.3 MB in the end (delta: -46.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 5.3 GB. [2018-07-21 02:24:04,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 211.46 ms. Allocated memory is still 338.2 MB. Free memory was 296.3 MB in the beginning and 276.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. [2018-07-21 02:24:04,690 INFO L168 Benchmark]: Boogie Preprocessor took 159.81 ms. Allocated memory is still 338.2 MB. Free memory was 276.6 MB in the beginning and 265.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 5.3 GB. [2018-07-21 02:24:04,691 INFO L168 Benchmark]: RCFGBuilder took 4544.27 ms. Allocated memory was 338.2 MB in the beginning and 522.2 MB in the end (delta: 184.0 MB). Free memory was 265.7 MB in the beginning and 293.9 MB in the end (delta: -28.3 MB). Peak memory consumption was 172.0 MB. Max. memory is 5.3 GB. [2018-07-21 02:24:04,691 INFO L168 Benchmark]: TraceAbstraction took 210521.59 ms. Allocated memory was 522.2 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 293.9 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 764.7 MB. Max. memory is 5.3 GB. [2018-07-21 02:24:04,695 INFO L336 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 307.8 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1146.57 ms. Allocated memory was 307.8 MB in the beginning and 338.2 MB in the end (delta: 30.4 MB). Free memory was 250.2 MB in the beginning and 296.3 MB in the end (delta: -46.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 211.46 ms. Allocated memory is still 338.2 MB. Free memory was 296.3 MB in the beginning and 276.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 159.81 ms. Allocated memory is still 338.2 MB. Free memory was 276.6 MB in the beginning and 265.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4544.27 ms. Allocated memory was 338.2 MB in the beginning and 522.2 MB in the end (delta: 184.0 MB). Free memory was 265.7 MB in the beginning and 293.9 MB in the end (delta: -28.3 MB). Peak memory consumption was 172.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 210521.59 ms. Allocated memory was 522.2 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 293.9 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 764.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 54). Cancelled while BasicCegarLoop was analyzing trace of length 318 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 210.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 150.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1443 SDtfs, 3115 SDslu, 994 SDs, 0 SdLazy, 6421 SolverSat, 1111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 114.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 271 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6838occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 40.4s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9961033950617286 AbsIntWeakeningRatio, 0.11666666666666667 AbsIntAvgWeakeningVarsNumRemoved, 49.75416666666667 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 45 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1132 NumberOfCodeBlocks, 1132 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1126 ConstructedInterpolants, 0 QuantifiedInterpolants, 469049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 393/461 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem11_label14_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_02-24-04-707.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem11_label14_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_02-24-04-707.csv Completed graceful shutdown