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-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:49:20,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:49:20,015 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:49:20,027 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:49:20,027 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:49:20,028 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:49:20,029 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:49:20,031 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:49:20,033 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:49:20,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:49:20,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:49:20,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:49:20,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:49:20,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:49:20,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:49:20,040 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:49:20,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:49:20,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:49:20,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:49:20,055 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:49:20,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:49:20,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:49:20,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:49:20,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:49:20,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:49:20,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:49:20,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:49:20,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:49:20,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:49:20,075 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:49:20,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:49:20,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:49:20,076 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:49:20,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:49:20,077 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:49:20,078 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:49:20,078 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 18:49:20,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:49:20,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:49:20,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:49:20,098 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:49:20,098 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:49:20,098 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:49:20,098 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:49:20,098 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:49:20,099 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:49:20,099 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:49:20,099 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:49:20,099 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:49:20,099 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:49:20,100 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:49:20,100 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:49:20,100 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:49:20,101 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:49:20,101 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:49:20,101 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:49:20,101 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:49:20,101 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:49:20,102 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:49:20,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:49:20,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:49:20,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:49:20,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:49:20,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:49:20,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:49:20,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:49:20,103 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:49:20,103 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:49:20,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:49:20,104 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:49:20,104 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:49:20,104 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:49:20,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:49:20,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:49:20,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:49:20,172 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:49:20,173 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:49:20,174 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label32_true-unreach-call.c [2018-11-12 18:49:20,250 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fa85205/2ba5729118df4612b197834ce05def99/FLAG1911c96b1 [2018-11-12 18:49:21,079 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 18:49:21,080 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label32_true-unreach-call.c [2018-11-12 18:49:21,117 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fa85205/2ba5729118df4612b197834ce05def99/FLAG1911c96b1 [2018-11-12 18:49:21,135 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fa85205/2ba5729118df4612b197834ce05def99 [2018-11-12 18:49:21,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 18:49:21,149 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 18:49:21,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 18:49:21,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 18:49:21,155 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 18:49:21,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:49:21" (1/1) ... [2018-11-12 18:49:21,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bed4b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:21, skipping insertion in model container [2018-11-12 18:49:21,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:49:21" (1/1) ... [2018-11-12 18:49:21,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 18:49:21,347 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 18:49:22,646 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:49:22,651 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 18:49:23,280 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:49:23,317 INFO L193 MainTranslator]: Completed translation [2018-11-12 18:49:23,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23 WrapperNode [2018-11-12 18:49:23,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 18:49:23,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 18:49:23,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 18:49:23,321 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 18:49:23,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 18:49:23,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 18:49:23,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 18:49:23,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 18:49:23,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (1/1) ... [2018-11-12 18:49:23,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 18:49:23,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 18:49:23,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 18:49:23,885 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 18:49:23,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (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 [2018-11-12 18:49:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 18:49:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 18:49:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 18:49:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 18:49:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 18:49:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 18:49:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 18:49:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 18:49:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 18:49:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 18:49:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 18:49:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 18:49:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 18:49:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 18:49:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 18:49:32,823 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 18:49:32,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:49:32 BoogieIcfgContainer [2018-11-12 18:49:32,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 18:49:32,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 18:49:32,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 18:49:32,828 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 18:49:32,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:49:21" (1/3) ... [2018-11-12 18:49:32,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11feda0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:49:32, skipping insertion in model container [2018-11-12 18:49:32,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:23" (2/3) ... [2018-11-12 18:49:32,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11feda0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:49:32, skipping insertion in model container [2018-11-12 18:49:32,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:49:32" (3/3) ... [2018-11-12 18:49:32,832 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label32_true-unreach-call.c [2018-11-12 18:49:32,842 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 18:49:32,852 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 18:49:32,866 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 18:49:32,919 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 18:49:32,920 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 18:49:32,920 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 18:49:32,920 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 18:49:32,920 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 18:49:32,920 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 18:49:32,921 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 18:49:32,921 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 18:49:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-11-12 18:49:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-12 18:49:32,976 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:49:32,977 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:49:32,980 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:49:32,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:49:32,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1790779988, now seen corresponding path program 1 times [2018-11-12 18:49:32,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:49:33,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:49:33,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:49:33,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:49:33,045 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:49:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:49:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:49:33,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:49:33,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 18:49:33,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:49:33,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 18:49:33,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 18:49:33,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:49:33,588 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 4 states. [2018-11-12 18:49:45,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:49:45,512 INFO L93 Difference]: Finished difference Result 3234 states and 6255 transitions. [2018-11-12 18:49:45,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 18:49:45,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-11-12 18:49:45,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:49:45,565 INFO L225 Difference]: With dead ends: 3234 [2018-11-12 18:49:45,565 INFO L226 Difference]: Without dead ends: 2388 [2018-11-12 18:49:45,578 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 [2018-11-12 18:49:45,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2018-11-12 18:49:45,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2388. [2018-11-12 18:49:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-11-12 18:49:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 4022 transitions. [2018-11-12 18:49:45,758 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 4022 transitions. Word has length 50 [2018-11-12 18:49:45,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:49:45,759 INFO L480 AbstractCegarLoop]: Abstraction has 2388 states and 4022 transitions. [2018-11-12 18:49:45,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 18:49:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 4022 transitions. [2018-11-12 18:49:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-12 18:49:45,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:49:45,770 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, 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] [2018-11-12 18:49:45,770 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:49:45,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:49:45,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1628117594, now seen corresponding path program 1 times [2018-11-12 18:49:45,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:49:45,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:49:45,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:49:45,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:49:45,773 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:49:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:49:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:49:46,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:49:46,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 18:49:46,129 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:49:46,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 18:49:46,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 18:49:46,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 18:49:46,132 INFO L87 Difference]: Start difference. First operand 2388 states and 4022 transitions. Second operand 6 states. [2018-11-12 18:49:59,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:49:59,027 INFO L93 Difference]: Finished difference Result 9453 states and 16261 transitions. [2018-11-12 18:49:59,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:49:59,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-12 18:49:59,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:49:59,085 INFO L225 Difference]: With dead ends: 9453 [2018-11-12 18:49:59,086 INFO L226 Difference]: Without dead ends: 7071 [2018-11-12 18:49:59,099 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 [2018-11-12 18:49:59,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-11-12 18:49:59,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 7023. [2018-11-12 18:49:59,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2018-11-12 18:49:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 10536 transitions. [2018-11-12 18:49:59,296 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 10536 transitions. Word has length 150 [2018-11-12 18:49:59,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:49:59,296 INFO L480 AbstractCegarLoop]: Abstraction has 7023 states and 10536 transitions. [2018-11-12 18:49:59,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 18:49:59,297 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 10536 transitions. [2018-11-12 18:49:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-12 18:49:59,305 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:49:59,306 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, 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] [2018-11-12 18:49:59,306 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:49:59,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:49:59,307 INFO L82 PathProgramCache]: Analyzing trace with hash 395335138, now seen corresponding path program 1 times [2018-11-12 18:49:59,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:49:59,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:49:59,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:49:59,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:49:59,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:49:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:49:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-12 18:49:59,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:49:59,717 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:49:59,718 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-12 18:49:59,720 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2167], [2169], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-12 18:49:59,786 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:49:59,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:50:00,583 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:50:01,462 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:50:01,463 INFO L272 AbstractInterpreter]: Visited 157 different actions 308 times. Merged at 5 different actions 5 times. Never widened. Performed 4755 root evaluator evaluations with a maximum evaluation depth of 6. Performed 4755 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-12 18:50:01,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:50:01,506 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:50:02,587 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 78.56% of their original sizes. [2018-11-12 18:50:02,588 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:50:05,044 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-12 18:50:05,044 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:50:05,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:50:05,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [4] total 24 [2018-11-12 18:50:05,046 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:50:05,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-12 18:50:05,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-12 18:50:05,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2018-11-12 18:50:05,048 INFO L87 Difference]: Start difference. First operand 7023 states and 10536 transitions. Second operand 22 states. [2018-11-12 18:52:49,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:52:49,459 INFO L93 Difference]: Finished difference Result 17748 states and 27019 transitions. [2018-11-12 18:52:49,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-12 18:52:49,459 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 200 [2018-11-12 18:52:49,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:52:49,510 INFO L225 Difference]: With dead ends: 17748 [2018-11-12 18:52:49,510 INFO L226 Difference]: Without dead ends: 10731 [2018-11-12 18:52:49,532 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=491, Invalid=2161, Unknown=0, NotChecked=0, Total=2652 [2018-11-12 18:52:49,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10731 states. [2018-11-12 18:52:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10731 to 10651. [2018-11-12 18:52:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10651 states. [2018-11-12 18:52:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10651 states to 10651 states and 14344 transitions. [2018-11-12 18:52:50,206 INFO L78 Accepts]: Start accepts. Automaton has 10651 states and 14344 transitions. Word has length 200 [2018-11-12 18:52:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:52:50,207 INFO L480 AbstractCegarLoop]: Abstraction has 10651 states and 14344 transitions. [2018-11-12 18:52:50,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-12 18:52:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10651 states and 14344 transitions. [2018-11-12 18:52:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-12 18:52:50,214 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:52:50,214 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:52:50,215 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:52:50,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:52:50,216 INFO L82 PathProgramCache]: Analyzing trace with hash 697918864, now seen corresponding path program 1 times [2018-11-12 18:52:50,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:52:50,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:52:50,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:52:50,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:52:50,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:52:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:52:50,633 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:52:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-12 18:52:50,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:52:50,974 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:52:50,974 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 271 with the following transitions: [2018-11-12 18:52:50,975 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2167], [2169], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2376], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-12 18:52:50,980 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:52:50,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-11-12 18:52:51,028 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-11-12 18:52:51,028 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-11-12 18:52:51,030 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-12 18:52:51,030 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:52:51,030 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/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 [2018-11-12 18:52:51,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:52:51,054 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:52:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:52:51,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:52:51,217 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-12 18:52:51,418 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 18:52:51,419 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 18:52:51,426 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 18:52:51,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:52:51 BoogieIcfgContainer [2018-11-12 18:52:51,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 18:52:51,427 INFO L168 Benchmark]: Toolchain (without parser) took 210279.16 ms. Allocated memory was 1.5 GB in the beginning and 7.6 GB in the end (delta: 6.1 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.6 GB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2018-11-12 18:52:51,428 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 18:52:51,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2168.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. [2018-11-12 18:52:51,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 347.03 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -971.6 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2018-11-12 18:52:51,435 INFO L168 Benchmark]: Boogie Preprocessor took 217.47 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2018-11-12 18:52:51,436 INFO L168 Benchmark]: RCFGBuilder took 8939.70 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.4 GB in the end (delta: 655.0 MB). Peak memory consumption was 655.0 MB. Max. memory is 7.1 GB. [2018-11-12 18:52:51,437 INFO L168 Benchmark]: TraceAbstraction took 198601.23 ms. Allocated memory was 2.2 GB in the beginning and 7.6 GB in the end (delta: 5.4 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-11-12 18:52:51,450 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2168.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 347.03 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -971.6 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 217.47 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8939.70 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.4 GB in the end (delta: 655.0 MB). Peak memory consumption was 655.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 198601.23 ms. Allocated memory was 2.2 GB in the beginning and 7.6 GB in the end (delta: 5.4 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 141). Cancelled while BasicCegarLoop was analyzing trace of length 271 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 5 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 198.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 189.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1211 SDtfs, 14790 SDslu, 1004 SDs, 0 SdLazy, 28677 SolverSat, 5577 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 105.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 245 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10651occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9977809951318802 AbsIntWeakeningRatio, 0.10552763819095477 AbsIntAvgWeakeningVarsNumRemoved, 13.391959798994975 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 128 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 397 ConstructedInterpolants, 0 QuantifiedInterpolants, 256734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 47/86 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown