java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label10_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:41:28,845 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:41:28,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:41:28,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:41:28,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:41:28,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:41:28,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:41:28,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:41:28,865 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:41:28,866 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:41:28,867 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:41:28,867 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:41:28,868 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:41:28,869 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:41:28,870 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:41:28,871 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:41:28,872 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:41:28,874 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:41:28,876 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:41:28,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:41:28,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:41:28,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:41:28,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 03:41:28,896 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:41:28,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:41:28,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:41:28,914 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:41:28,915 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:41:28,920 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:41:28,920 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:41:28,920 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:41:28,920 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:41:28,921 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:41:28,921 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:41:28,921 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:41:28,921 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:41:28,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:41:28,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:41:28,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:41:28,924 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:41:28,924 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:41:28,924 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:41:28,925 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:41:28,926 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:41:28,926 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:41:28,926 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:41:28,926 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:41:28,927 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:41:28,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:41:28,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:41:28,928 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:41:28,928 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:41:28,928 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:41:28,928 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:41:28,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:41:28,928 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:41:28,929 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:41:28,929 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:41:28,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:41:29,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:41:29,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:41:29,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:41:29,013 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:41:29,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label10_true-unreach-call.c [2018-11-07 03:41:29,087 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c51c7a6d/7b5302697add45918af3df868d989937/FLAG07a24596b [2018-11-07 03:41:29,804 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:41:29,804 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label10_true-unreach-call.c [2018-11-07 03:41:29,830 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c51c7a6d/7b5302697add45918af3df868d989937/FLAG07a24596b [2018-11-07 03:41:29,847 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c51c7a6d/7b5302697add45918af3df868d989937 [2018-11-07 03:41:29,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:41:29,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:41:29,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:41:29,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:41:29,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:41:29,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:41:29" (1/1) ... [2018-11-07 03:41:29,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9260898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:29, skipping insertion in model container [2018-11-07 03:41:29,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:41:29" (1/1) ... [2018-11-07 03:41:29,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:41:29,967 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:41:30,664 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:41:30,669 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:41:30,935 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:41:30,958 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:41:30,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30 WrapperNode [2018-11-07 03:41:30,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:41:30,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:41:30,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:41:30,960 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:41:30,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:41:31,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:41:31,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:41:31,185 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:41:31,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (1/1) ... [2018-11-07 03:41:31,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:41:31,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:41:31,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:41:31,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:41:31,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (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 [2018-11-07 03:41:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:41:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:41:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:41:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:41:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:41:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:41:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:41:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:41:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:41:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:41:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:41:37,916 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:41:37,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:41:37 BoogieIcfgContainer [2018-11-07 03:41:37,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:41:37,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:41:37,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:41:37,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:41:37,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:41:29" (1/3) ... [2018-11-07 03:41:37,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec3dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:41:37, skipping insertion in model container [2018-11-07 03:41:37,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:30" (2/3) ... [2018-11-07 03:41:37,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec3dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:41:37, skipping insertion in model container [2018-11-07 03:41:37,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:41:37" (3/3) ... [2018-11-07 03:41:37,926 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label10_true-unreach-call.c [2018-11-07 03:41:37,936 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:41:37,944 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:41:37,962 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:41:38,004 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:41:38,004 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:41:38,004 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:41:38,005 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:41:38,005 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:41:38,005 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:41:38,005 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:41:38,005 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:41:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-07 03:41:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-07 03:41:38,047 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:41:38,048 INFO L375 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] [2018-11-07 03:41:38,051 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:41:38,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:41:38,057 INFO L82 PathProgramCache]: Analyzing trace with hash -369179421, now seen corresponding path program 1 times [2018-11-07 03:41:38,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:41:38,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:38,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:41:38,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:38,117 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:41:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:41:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:41:38,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:41:38,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:41:38,544 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:41:38,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:41:38,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:41:38,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:41:38,570 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 4 states. [2018-11-07 03:41:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:41:44,831 INFO L93 Difference]: Finished difference Result 1513 states and 2838 transitions. [2018-11-07 03:41:44,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:41:44,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-11-07 03:41:44,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:41:44,861 INFO L225 Difference]: With dead ends: 1513 [2018-11-07 03:41:44,861 INFO L226 Difference]: Without dead ends: 1097 [2018-11-07 03:41:44,872 INFO L604 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 [2018-11-07 03:41:44,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2018-11-07 03:41:45,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2018-11-07 03:41:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2018-11-07 03:41:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1954 transitions. [2018-11-07 03:41:45,036 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1954 transitions. Word has length 39 [2018-11-07 03:41:45,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:41:45,037 INFO L480 AbstractCegarLoop]: Abstraction has 1097 states and 1954 transitions. [2018-11-07 03:41:45,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:41:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1954 transitions. [2018-11-07 03:41:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-07 03:41:45,044 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:41:45,044 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 03:41:45,045 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:41:45,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:41:45,045 INFO L82 PathProgramCache]: Analyzing trace with hash -820358275, now seen corresponding path program 1 times [2018-11-07 03:41:45,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:41:45,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:45,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:41:45,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:45,047 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:41:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:41:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:41:45,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:41:45,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:41:45,493 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:41:45,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:41:45,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:41:45,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:41:45,496 INFO L87 Difference]: Start difference. First operand 1097 states and 1954 transitions. Second operand 6 states. [2018-11-07 03:41:50,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:41:50,266 INFO L93 Difference]: Finished difference Result 3259 states and 5952 transitions. [2018-11-07 03:41:50,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:41:50,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-07 03:41:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:41:50,296 INFO L225 Difference]: With dead ends: 3259 [2018-11-07 03:41:50,296 INFO L226 Difference]: Without dead ends: 2168 [2018-11-07 03:41:50,303 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:41:50,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2018-11-07 03:41:50,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2142. [2018-11-07 03:41:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2142 states. [2018-11-07 03:41:50,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 3739 transitions. [2018-11-07 03:41:50,407 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 3739 transitions. Word has length 110 [2018-11-07 03:41:50,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:41:50,408 INFO L480 AbstractCegarLoop]: Abstraction has 2142 states and 3739 transitions. [2018-11-07 03:41:50,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:41:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 3739 transitions. [2018-11-07 03:41:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-07 03:41:50,417 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:41:50,417 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 03:41:50,417 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:41:50,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:41:50,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1928773899, now seen corresponding path program 1 times [2018-11-07 03:41:50,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:41:50,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:50,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:41:50,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:50,419 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:41:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:41:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:41:50,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:41:50,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:41:50,703 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:41:50,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:41:50,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:41:50,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:41:50,705 INFO L87 Difference]: Start difference. First operand 2142 states and 3739 transitions. Second operand 6 states. [2018-11-07 03:41:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:41:55,544 INFO L93 Difference]: Finished difference Result 7053 states and 12688 transitions. [2018-11-07 03:41:55,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:41:55,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-11-07 03:41:55,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:41:55,589 INFO L225 Difference]: With dead ends: 7053 [2018-11-07 03:41:55,589 INFO L226 Difference]: Without dead ends: 4917 [2018-11-07 03:41:55,612 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:41:55,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2018-11-07 03:41:55,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4877. [2018-11-07 03:41:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4877 states. [2018-11-07 03:41:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7891 transitions. [2018-11-07 03:41:55,762 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7891 transitions. Word has length 138 [2018-11-07 03:41:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:41:55,763 INFO L480 AbstractCegarLoop]: Abstraction has 4877 states and 7891 transitions. [2018-11-07 03:41:55,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:41:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7891 transitions. [2018-11-07 03:41:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-07 03:41:55,766 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:41:55,766 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:41:55,767 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:41:55,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:41:55,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1730052985, now seen corresponding path program 1 times [2018-11-07 03:41:55,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:41:55,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:55,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:41:55,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:55,769 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:41:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:41:56,021 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:41:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:41:56,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:41:56,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:41:56,077 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:41:56,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:41:56,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:41:56,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:41:56,078 INFO L87 Difference]: Start difference. First operand 4877 states and 7891 transitions. Second operand 6 states. [2018-11-07 03:41:58,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:41:58,762 INFO L93 Difference]: Finished difference Result 11909 states and 19972 transitions. [2018-11-07 03:41:58,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:41:58,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-07 03:41:58,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:41:58,809 INFO L225 Difference]: With dead ends: 11909 [2018-11-07 03:41:58,809 INFO L226 Difference]: Without dead ends: 7038 [2018-11-07 03:41:58,840 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:41:58,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7038 states. [2018-11-07 03:41:59,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7038 to 6977. [2018-11-07 03:41:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6977 states. [2018-11-07 03:41:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6977 states to 6977 states and 9942 transitions. [2018-11-07 03:41:59,057 INFO L78 Accepts]: Start accepts. Automaton has 6977 states and 9942 transitions. Word has length 156 [2018-11-07 03:41:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:41:59,058 INFO L480 AbstractCegarLoop]: Abstraction has 6977 states and 9942 transitions. [2018-11-07 03:41:59,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:41:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 6977 states and 9942 transitions. [2018-11-07 03:41:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-07 03:41:59,061 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:41:59,061 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:41:59,062 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:41:59,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:41:59,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1129340368, now seen corresponding path program 1 times [2018-11-07 03:41:59,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:41:59,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:59,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:41:59,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:41:59,064 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:41:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:41:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:41:59,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:41:59,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:41:59,421 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:41:59,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:41:59,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:41:59,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:41:59,423 INFO L87 Difference]: Start difference. First operand 6977 states and 9942 transitions. Second operand 6 states. [2018-11-07 03:42:03,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:42:03,175 INFO L93 Difference]: Finished difference Result 17709 states and 25496 transitions. [2018-11-07 03:42:03,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:42:03,176 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203 [2018-11-07 03:42:03,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:42:03,243 INFO L225 Difference]: With dead ends: 17709 [2018-11-07 03:42:03,243 INFO L226 Difference]: Without dead ends: 10738 [2018-11-07 03:42:03,289 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:42:03,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10738 states. [2018-11-07 03:42:03,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10738 to 10702. [2018-11-07 03:42:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10702 states. [2018-11-07 03:42:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10702 states to 10702 states and 14504 transitions. [2018-11-07 03:42:03,562 INFO L78 Accepts]: Start accepts. Automaton has 10702 states and 14504 transitions. Word has length 203 [2018-11-07 03:42:03,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:42:03,563 INFO L480 AbstractCegarLoop]: Abstraction has 10702 states and 14504 transitions. [2018-11-07 03:42:03,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:42:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 10702 states and 14504 transitions. [2018-11-07 03:42:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-07 03:42:03,569 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:42:03,569 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-07 03:42:03,570 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:42:03,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:42:03,570 INFO L82 PathProgramCache]: Analyzing trace with hash 2083831764, now seen corresponding path program 1 times [2018-11-07 03:42:03,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:42:03,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:42:03,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:42:03,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:42:03,574 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:42:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:42:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-07 03:42:03,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:42:03,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:42:03,856 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:42:03,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:42:03,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:42:03,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:42:03,857 INFO L87 Difference]: Start difference. First operand 10702 states and 14504 transitions. Second operand 4 states. [2018-11-07 03:42:07,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:42:07,323 INFO L93 Difference]: Finished difference Result 27183 states and 37572 transitions. [2018-11-07 03:42:07,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:42:07,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 240 [2018-11-07 03:42:07,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:42:07,398 INFO L225 Difference]: With dead ends: 27183 [2018-11-07 03:42:07,398 INFO L226 Difference]: Without dead ends: 16487 [2018-11-07 03:42:07,445 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:42:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16487 states. [2018-11-07 03:42:07,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16487 to 16487. [2018-11-07 03:42:07,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16487 states. [2018-11-07 03:42:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16487 states to 16487 states and 21483 transitions. [2018-11-07 03:42:07,793 INFO L78 Accepts]: Start accepts. Automaton has 16487 states and 21483 transitions. Word has length 240 [2018-11-07 03:42:07,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:42:07,794 INFO L480 AbstractCegarLoop]: Abstraction has 16487 states and 21483 transitions. [2018-11-07 03:42:07,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:42:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 16487 states and 21483 transitions. [2018-11-07 03:42:07,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-11-07 03:42:07,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:42:07,824 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:42:07,824 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:42:07,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:42:07,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1463225967, now seen corresponding path program 1 times [2018-11-07 03:42:07,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:42:07,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:42:07,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:42:07,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:42:07,827 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:42:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:42:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 215 proven. 115 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-11-07 03:42:08,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:42:08,397 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:42:08,398 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 425 with the following transitions: [2018-11-07 03:42:08,400 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [948], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 03:42:08,500 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:42:08,501 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:42:11,849 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:42:11,850 INFO L272 AbstractInterpreter]: Visited 145 different actions 145 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 03:42:11,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:42:11,863 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:42:15,195 INFO L227 lantSequenceWeakener]: Weakened 413 states. On average, predicates are now at 77.57% of their original sizes. [2018-11-07 03:42:15,195 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:42:15,859 INFO L415 sIntCurrentIteration]: We unified 423 AI predicates to 423 [2018-11-07 03:42:15,859 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:42:15,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:42:15,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-07 03:42:15,860 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:42:15,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 03:42:15,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 03:42:15,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:42:15,862 INFO L87 Difference]: Start difference. First operand 16487 states and 21483 transitions. Second operand 8 states. [2018-11-07 03:42:19,490 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:42:42,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:42:42,543 INFO L93 Difference]: Finished difference Result 33308 states and 43351 transitions. [2018-11-07 03:42:42,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:42:42,543 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 424 [2018-11-07 03:42:42,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:42:42,607 INFO L225 Difference]: With dead ends: 33308 [2018-11-07 03:42:42,607 INFO L226 Difference]: Without dead ends: 16827 [2018-11-07 03:42:42,671 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 425 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:42:42,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16827 states. [2018-11-07 03:42:42,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16827 to 16825. [2018-11-07 03:42:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16825 states. [2018-11-07 03:42:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16825 states to 16825 states and 21830 transitions. [2018-11-07 03:42:43,004 INFO L78 Accepts]: Start accepts. Automaton has 16825 states and 21830 transitions. Word has length 424 [2018-11-07 03:42:43,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:42:43,004 INFO L480 AbstractCegarLoop]: Abstraction has 16825 states and 21830 transitions. [2018-11-07 03:42:43,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 03:42:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 16825 states and 21830 transitions. [2018-11-07 03:42:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2018-11-07 03:42:43,050 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:42:43,050 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-07 03:42:43,051 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:42:43,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:42:43,051 INFO L82 PathProgramCache]: Analyzing trace with hash -264490446, now seen corresponding path program 1 times [2018-11-07 03:42:43,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:42:43,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:42:43,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:42:43,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:42:43,054 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:42:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:42:43,460 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-07 03:42:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 205 proven. 311 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-07 03:42:44,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:42:44,203 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:42:44,203 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 517 with the following transitions: [2018-11-07 03:42:44,203 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [948], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 03:42:44,210 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:42:44,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:42:45,390 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:43:00,023 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:43:00,023 INFO L272 AbstractInterpreter]: Visited 149 different actions 577 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 03:43:00,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:43:00,032 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:43:06,522 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 77.95% of their original sizes. [2018-11-07 03:43:06,522 INFO L413 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-11-07 03:45:31,283 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:45:31,287 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:45:31,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:45:31 BoogieIcfgContainer [2018-11-07 03:45:31,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:45:31,289 INFO L168 Benchmark]: Toolchain (without parser) took 241429.94 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -57.8 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-11-07 03:45:31,290 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:45:31,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1098.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-11-07 03:45:31,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 224.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -889.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2018-11-07 03:45:31,293 INFO L168 Benchmark]: Boogie Preprocessor took 157.48 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:45:31,293 INFO L168 Benchmark]: RCFGBuilder took 6575.00 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 256.5 MB). Peak memory consumption was 256.5 MB. Max. memory is 7.1 GB. [2018-11-07 03:45:31,295 INFO L168 Benchmark]: TraceAbstraction took 233369.98 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.4 GB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 491.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 03:45:31,303 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1098.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 224.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -889.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.48 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 6575.00 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 256.5 MB). Peak memory consumption was 256.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233369.98 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.4 GB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 491.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 103). Cancelled while BasicCegarLoop was analyzing trace of length 517 with TraceHistMax 5,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 15 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 233.2s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 53.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1210 SDtfs, 10010 SDslu, 708 SDs, 0 SdLazy, 12552 SolverSat, 4676 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 476 GetRequests, 432 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16825occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 19.2s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9969407620283673 AbsIntWeakeningRatio, 0.07462686567164178 AbsIntAvgWeakeningVarsNumRemoved, 422.05223880597015 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 165 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1303 ConstructedInterpolants, 0 QuantifiedInterpolants, 1087245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 606/721 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown