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/Problem13_label55_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 19:00:36,661 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 19:00:36,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 19:00:36,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 19:00:36,677 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 19:00:36,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 19:00:36,680 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 19:00:36,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 19:00:36,682 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 19:00:36,683 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 19:00:36,684 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 19:00:36,684 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 19:00:36,685 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 19:00:36,686 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 19:00:36,688 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 19:00:36,688 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 19:00:36,689 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 19:00:36,691 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 19:00:36,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 19:00:36,695 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 19:00:36,696 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 19:00:36,697 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 19:00:36,699 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 19:00:36,700 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 19:00:36,700 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 19:00:36,706 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 19:00:36,707 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 19:00:36,708 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 19:00:36,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 19:00:36,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 19:00:36,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 19:00:36,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 19:00:36,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 19:00:36,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 19:00:36,713 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 19:00:36,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 19:00:36,714 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 19:00:36,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 19:00:36,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 19:00:36,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 19:00:36,744 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 19:00:36,744 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 19:00:36,745 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 19:00:36,745 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 19:00:36,745 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 19:00:36,745 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 19:00:36,745 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 19:00:36,746 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 19:00:36,746 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 19:00:36,746 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 19:00:36,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 19:00:36,747 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 19:00:36,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 19:00:36,747 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 19:00:36,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 19:00:36,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 19:00:36,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 19:00:36,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 19:00:36,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 19:00:36,749 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 19:00:36,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 19:00:36,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 19:00:36,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 19:00:36,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 19:00:36,750 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 19:00:36,750 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 19:00:36,750 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 19:00:36,750 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 19:00:36,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 19:00:36,751 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 19:00:36,751 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 19:00:36,751 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 19:00:36,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 19:00:36,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 19:00:36,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 19:00:36,837 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 19:00:36,837 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 19:00:36,838 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label55_true-unreach-call.c [2018-11-12 19:00:36,895 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc2ced13/c324ce5786ab49029e738aca28bf20b0/FLAGe9670fb07 [2018-11-12 19:00:37,675 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 19:00:37,676 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label55_true-unreach-call.c [2018-11-12 19:00:37,716 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc2ced13/c324ce5786ab49029e738aca28bf20b0/FLAGe9670fb07 [2018-11-12 19:00:37,736 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc2ced13/c324ce5786ab49029e738aca28bf20b0 [2018-11-12 19:00:37,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 19:00:37,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 19:00:37,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 19:00:37,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 19:00:37,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 19:00:37,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:00:37" (1/1) ... [2018-11-12 19:00:37,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb9594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:37, skipping insertion in model container [2018-11-12 19:00:37,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:00:37" (1/1) ... [2018-11-12 19:00:37,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 19:00:37,969 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 19:00:39,563 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:00:39,568 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 19:00:40,301 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:00:40,338 INFO L193 MainTranslator]: Completed translation [2018-11-12 19:00:40,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40 WrapperNode [2018-11-12 19:00:40,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 19:00:40,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 19:00:40,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 19:00:40,340 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 19:00:40,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 19:00:40,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 19:00:40,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 19:00:40,728 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 19:00:40,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (1/1) ... [2018-11-12 19:00:40,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 19:00:40,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 19:00:40,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 19:00:41,000 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 19:00:41,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (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 19:00:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 19:00:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 19:00:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 19:00:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 19:00:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 19:00:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 19:00:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 19:00:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 19:00:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 19:00:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 19:00:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 19:00:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 19:00:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 19:00:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 19:00:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 19:00:51,548 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 19:00:51,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:00:51 BoogieIcfgContainer [2018-11-12 19:00:51,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 19:00:51,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 19:00:51,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 19:00:51,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 19:00:51,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:00:37" (1/3) ... [2018-11-12 19:00:51,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a71db30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:00:51, skipping insertion in model container [2018-11-12 19:00:51,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:00:40" (2/3) ... [2018-11-12 19:00:51,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a71db30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:00:51, skipping insertion in model container [2018-11-12 19:00:51,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:00:51" (3/3) ... [2018-11-12 19:00:51,558 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label55_true-unreach-call.c [2018-11-12 19:00:51,569 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 19:00:51,585 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 19:00:51,603 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 19:00:51,653 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 19:00:51,653 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 19:00:51,654 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 19:00:51,654 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 19:00:51,654 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 19:00:51,654 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 19:00:51,654 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 19:00:51,654 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 19:00:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-12 19:00:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-12 19:00:51,724 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:00:51,725 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, 1, 1, 1, 1, 1] [2018-11-12 19:00:51,728 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:00:51,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:00:51,734 INFO L82 PathProgramCache]: Analyzing trace with hash -661106381, now seen corresponding path program 1 times [2018-11-12 19:00:51,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:00:51,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:51,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:00:51,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:51,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:00:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:00:52,227 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:00:52,397 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 19:00:52,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:00:52,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 19:00:52,402 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:00:52,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 19:00:52,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 19:00:52,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:00:52,428 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-11-12 19:01:00,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:01:00,714 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-11-12 19:01:00,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 19:01:00,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-11-12 19:01:00,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:01:00,753 INFO L225 Difference]: With dead ends: 3097 [2018-11-12 19:01:00,754 INFO L226 Difference]: Without dead ends: 1975 [2018-11-12 19:01:00,765 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:01:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-11-12 19:01:00,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-11-12 19:01:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-11-12 19:01:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-11-12 19:01:00,934 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 55 [2018-11-12 19:01:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:01:00,935 INFO L480 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-11-12 19:01:00,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 19:01:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-11-12 19:01:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-12 19:01:00,943 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:01:00,943 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, 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] [2018-11-12 19:01:00,944 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:01:00,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:00,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1569430114, now seen corresponding path program 1 times [2018-11-12 19:01:00,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:01:00,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:00,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:01:00,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:00,946 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:01:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:01:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:01:01,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:01:01,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 19:01:01,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:01:01,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 19:01:01,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 19:01:01,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 19:01:01,347 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-11-12 19:01:14,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:01:14,991 INFO L93 Difference]: Finished difference Result 5734 states and 9688 transitions. [2018-11-12 19:01:14,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 19:01:14,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-11-12 19:01:14,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:01:15,027 INFO L225 Difference]: With dead ends: 5734 [2018-11-12 19:01:15,027 INFO L226 Difference]: Without dead ends: 3766 [2018-11-12 19:01:15,034 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 19:01:15,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3766 states. [2018-11-12 19:01:15,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3766 to 3681. [2018-11-12 19:01:15,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3681 states. [2018-11-12 19:01:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 5655 transitions. [2018-11-12 19:01:15,178 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 5655 transitions. Word has length 131 [2018-11-12 19:01:15,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:01:15,178 INFO L480 AbstractCegarLoop]: Abstraction has 3681 states and 5655 transitions. [2018-11-12 19:01:15,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 19:01:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 5655 transitions. [2018-11-12 19:01:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-12 19:01:15,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:01:15,193 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, 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] [2018-11-12 19:01:15,193 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:01:15,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:15,194 INFO L82 PathProgramCache]: Analyzing trace with hash -265518658, now seen corresponding path program 1 times [2018-11-12 19:01:15,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:01:15,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:15,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:01:15,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:15,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:01:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:01:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:01:15,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:01:15,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 19:01:15,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:01:15,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 19:01:15,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 19:01:15,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 19:01:15,464 INFO L87 Difference]: Start difference. First operand 3681 states and 5655 transitions. Second operand 5 states. [2018-11-12 19:01:32,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:01:32,215 INFO L93 Difference]: Finished difference Result 13648 states and 21726 transitions. [2018-11-12 19:01:32,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 19:01:32,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-11-12 19:01:32,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:01:32,279 INFO L225 Difference]: With dead ends: 13648 [2018-11-12 19:01:32,279 INFO L226 Difference]: Without dead ends: 9973 [2018-11-12 19:01:32,306 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 19:01:32,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9973 states. [2018-11-12 19:01:32,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9973 to 9787. [2018-11-12 19:01:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9787 states. [2018-11-12 19:01:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9787 states to 9787 states and 14484 transitions. [2018-11-12 19:01:32,580 INFO L78 Accepts]: Start accepts. Automaton has 9787 states and 14484 transitions. Word has length 145 [2018-11-12 19:01:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:01:32,580 INFO L480 AbstractCegarLoop]: Abstraction has 9787 states and 14484 transitions. [2018-11-12 19:01:32,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 19:01:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 9787 states and 14484 transitions. [2018-11-12 19:01:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-12 19:01:32,587 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:01:32,587 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, 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] [2018-11-12 19:01:32,587 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:01:32,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:32,588 INFO L82 PathProgramCache]: Analyzing trace with hash -507392094, now seen corresponding path program 1 times [2018-11-12 19:01:32,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:01:32,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:32,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:01:32,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:32,589 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:01:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:01:32,931 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:01:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:01:33,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:01:33,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:01:33,095 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:01:33,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:01:33,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:01:33,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:01:33,096 INFO L87 Difference]: Start difference. First operand 9787 states and 14484 transitions. Second operand 6 states. [2018-11-12 19:01:45,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:01:45,072 INFO L93 Difference]: Finished difference Result 34090 states and 53557 transitions. [2018-11-12 19:01:45,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:01:45,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-11-12 19:01:45,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:01:45,193 INFO L225 Difference]: With dead ends: 34090 [2018-11-12 19:01:45,193 INFO L226 Difference]: Without dead ends: 24309 [2018-11-12 19:01:45,265 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:01:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24309 states. [2018-11-12 19:01:45,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24309 to 24086. [2018-11-12 19:01:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24086 states. [2018-11-12 19:01:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24086 states to 24086 states and 33904 transitions. [2018-11-12 19:01:45,874 INFO L78 Accepts]: Start accepts. Automaton has 24086 states and 33904 transitions. Word has length 163 [2018-11-12 19:01:45,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:01:45,875 INFO L480 AbstractCegarLoop]: Abstraction has 24086 states and 33904 transitions. [2018-11-12 19:01:45,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:01:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 24086 states and 33904 transitions. [2018-11-12 19:01:45,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-12 19:01:45,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:01:45,882 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, 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] [2018-11-12 19:01:45,882 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:01:45,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:45,882 INFO L82 PathProgramCache]: Analyzing trace with hash -698990030, now seen corresponding path program 1 times [2018-11-12 19:01:45,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:01:45,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:45,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:01:45,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:45,884 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:01:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:01:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:01:46,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:01:46,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 19:01:46,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:01:46,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 19:01:46,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 19:01:46,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:01:46,162 INFO L87 Difference]: Start difference. First operand 24086 states and 33904 transitions. Second operand 4 states. [2018-11-12 19:01:55,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:01:55,850 INFO L93 Difference]: Finished difference Result 66456 states and 99385 transitions. [2018-11-12 19:01:55,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 19:01:55,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 171 [2018-11-12 19:01:55,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:01:56,046 INFO L225 Difference]: With dead ends: 66456 [2018-11-12 19:01:56,047 INFO L226 Difference]: Without dead ends: 42376 [2018-11-12 19:01:56,121 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 [2018-11-12 19:01:56,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42376 states. [2018-11-12 19:01:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42376 to 42323. [2018-11-12 19:01:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42323 states. [2018-11-12 19:01:57,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42323 states to 42323 states and 59721 transitions. [2018-11-12 19:01:57,073 INFO L78 Accepts]: Start accepts. Automaton has 42323 states and 59721 transitions. Word has length 171 [2018-11-12 19:01:57,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:01:57,074 INFO L480 AbstractCegarLoop]: Abstraction has 42323 states and 59721 transitions. [2018-11-12 19:01:57,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 19:01:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 42323 states and 59721 transitions. [2018-11-12 19:01:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-12 19:01:57,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:01:57,095 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:57,095 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:01:57,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:57,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1869313388, now seen corresponding path program 1 times [2018-11-12 19:01:57,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:01:57,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:57,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:01:57,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:01:57,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:01:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:01:57,380 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:01:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 96 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 19:01:57,799 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:01:57,799 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:01:57,800 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-11-12 19:01:57,803 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2967], [2969], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3155], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3336], [3341], [3343], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 19:01:57,896 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:01:57,896 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:01:58,932 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:01:58,934 INFO L272 AbstractInterpreter]: Visited 122 different actions 122 times. Never merged. Never widened. Performed 2784 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2784 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 26 variables. [2018-11-12 19:01:58,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:01:58,965 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:01:59,959 INFO L227 lantSequenceWeakener]: Weakened 227 states. On average, predicates are now at 71.61% of their original sizes. [2018-11-12 19:01:59,960 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:02:00,863 INFO L415 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-11-12 19:02:00,865 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:02:00,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:02:00,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 19:02:00,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:02:00,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 19:02:00,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 19:02:00,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-12 19:02:00,868 INFO L87 Difference]: Start difference. First operand 42323 states and 59721 transitions. Second operand 11 states. [2018-11-12 19:02:19,118 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:03:44,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:03:44,637 INFO L93 Difference]: Finished difference Result 85449 states and 120361 transitions. [2018-11-12 19:03:44,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-12 19:03:44,637 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 251 [2018-11-12 19:03:44,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:03:44,779 INFO L225 Difference]: With dead ends: 85449 [2018-11-12 19:03:44,779 INFO L226 Difference]: Without dead ends: 43132 [2018-11-12 19:03:44,894 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 255 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-11-12 19:03:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43132 states. [2018-11-12 19:03:45,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43132 to 43127. [2018-11-12 19:03:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43127 states. [2018-11-12 19:03:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43127 states to 43127 states and 60536 transitions. [2018-11-12 19:03:45,714 INFO L78 Accepts]: Start accepts. Automaton has 43127 states and 60536 transitions. Word has length 251 [2018-11-12 19:03:45,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:03:45,715 INFO L480 AbstractCegarLoop]: Abstraction has 43127 states and 60536 transitions. [2018-11-12 19:03:45,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 19:03:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 43127 states and 60536 transitions. [2018-11-12 19:03:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-12 19:03:45,746 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:03:45,746 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, 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, 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] [2018-11-12 19:03:45,747 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:03:45,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:03:45,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1797797034, now seen corresponding path program 1 times [2018-11-12 19:03:45,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:03:45,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:03:45,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:03:45,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:03:45,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:03:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:03:46,075 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:03:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 150 proven. 166 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-12 19:03:47,583 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:03:47,583 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:03:47,584 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 324 with the following transitions: [2018-11-12 19:03:47,584 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2967], [2969], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3155], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3221], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 19:03:47,590 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:03:47,591 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:03:48,397 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:03:48,397 INFO L272 AbstractInterpreter]: Visited 110 different actions 320 times. Merged at 5 different actions 12 times. Never widened. Performed 6819 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6819 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 19:03:48,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:03:48,439 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:03:49,361 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 70.95% of their original sizes. [2018-11-12 19:03:49,362 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:03:52,271 INFO L415 sIntCurrentIteration]: We unified 322 AI predicates to 322 [2018-11-12 19:03:52,271 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:03:52,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:03:52,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-12 19:03:52,272 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:03:52,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-12 19:03:52,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-12 19:03:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-11-12 19:03:52,273 INFO L87 Difference]: Start difference. First operand 43127 states and 60536 transitions. Second operand 13 states. Received shutdown request... [2018-11-12 19:03:56,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-12 19:03:56,083 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:03:56,089 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:03:56,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:03:56 BoogieIcfgContainer [2018-11-12 19:03:56,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:03:56,090 INFO L168 Benchmark]: Toolchain (without parser) took 198341.41 ms. Allocated memory was 1.5 GB in the beginning and 5.7 GB in the end (delta: 4.2 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.2 MB). Peak memory consumption was 4.5 GB. Max. memory is 7.1 GB. [2018-11-12 19:03:56,092 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-12 19:03:56,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2587.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-11-12 19:03:56,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 387.75 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 820.0 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2018-11-12 19:03:56,094 INFO L168 Benchmark]: Boogie Preprocessor took 271.35 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2018-11-12 19:03:56,095 INFO L168 Benchmark]: RCFGBuilder took 10549.64 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 148.9 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 43.9 MB). Peak memory consumption was 656.2 MB. Max. memory is 7.1 GB. [2018-11-12 19:03:56,096 INFO L168 Benchmark]: TraceAbstraction took 184539.81 ms. Allocated memory was 2.5 GB in the beginning and 5.7 GB in the end (delta: 3.2 GB). Free memory was 2.2 GB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2018-11-12 19:03:56,101 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2587.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 387.75 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 820.0 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 271.35 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10549.64 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 148.9 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 43.9 MB). Peak memory consumption was 656.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 184539.81 ms. Allocated memory was 2.5 GB in the beginning and 5.7 GB in the end (delta: 3.2 GB). Free memory was 2.2 GB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 156]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 156). Cancelled while BasicCegarLoop was constructing difference of abstraction (43127states) and FLOYD_HOARE automaton (currently 9 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (101 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 184.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 168.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4004 SDtfs, 18072 SDslu, 3385 SDs, 0 SdLazy, 35436 SolverSat, 7517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 620 GetRequests, 513 SyntacticMatches, 55 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43127occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9975687208048866 AbsIntWeakeningRatio, 0.10664335664335664 AbsIntAvgWeakeningVarsNumRemoved, 7.449300699300699 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 553 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1239 NumberOfCodeBlocks, 1239 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1232 ConstructedInterpolants, 0 QuantifiedInterpolants, 741950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 515/753 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown