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_label51_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 17:57:44,462 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 17:57:44,467 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 17:57:44,482 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 17:57:44,483 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 17:57:44,484 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 17:57:44,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 17:57:44,487 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 17:57:44,489 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 17:57:44,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 17:57:44,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 17:57:44,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 17:57:44,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 17:57:44,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 17:57:44,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 17:57:44,495 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 17:57:44,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 17:57:44,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 17:57:44,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 17:57:44,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 17:57:44,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 17:57:44,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 17:57:44,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 17:57:44,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 17:57:44,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 17:57:44,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 17:57:44,508 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 17:57:44,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 17:57:44,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 17:57:44,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 17:57:44,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 17:57:44,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 17:57:44,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 17:57:44,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 17:57:44,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 17:57:44,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 17:57:44,515 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 [2018-11-07 17:57:44,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 17:57:44,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 17:57:44,532 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 17:57:44,532 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 17:57:44,532 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 17:57:44,532 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 17:57:44,534 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 17:57:44,535 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 17:57:44,535 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 17:57:44,535 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 17:57:44,535 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 17:57:44,535 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 17:57:44,536 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 17:57:44,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 17:57:44,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 17:57:44,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 17:57:44,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 17:57:44,537 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 17:57:44,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 17:57:44,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 17:57:44,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 17:57:44,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 17:57:44,539 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 17:57:44,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 17:57:44,539 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 17:57:44,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 17:57:44,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 17:57:44,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 17:57:44,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 17:57:44,540 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 17:57:44,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 17:57:44,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 17:57:44,540 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 17:57:44,543 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 17:57:44,543 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 17:57:44,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 17:57:44,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 17:57:44,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 17:57:44,634 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 17:57:44,634 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 17:57:44,635 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label51_false-unreach-call.c [2018-11-07 17:57:44,697 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eae20cf/73dc035678f3443a966fe3a7688783ac/FLAG2d43f7725 [2018-11-07 17:57:45,542 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 17:57:45,543 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label51_false-unreach-call.c [2018-11-07 17:57:45,586 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eae20cf/73dc035678f3443a966fe3a7688783ac/FLAG2d43f7725 [2018-11-07 17:57:45,605 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eae20cf/73dc035678f3443a966fe3a7688783ac [2018-11-07 17:57:45,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 17:57:45,620 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 17:57:45,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 17:57:45,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 17:57:45,630 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 17:57:45,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:57:45" (1/1) ... [2018-11-07 17:57:45,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386f4038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:45, skipping insertion in model container [2018-11-07 17:57:45,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:57:45" (1/1) ... [2018-11-07 17:57:45,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 17:57:45,840 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 17:57:47,336 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 17:57:47,343 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 17:57:48,076 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 17:57:48,116 INFO L193 MainTranslator]: Completed translation [2018-11-07 17:57:48,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48 WrapperNode [2018-11-07 17:57:48,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 17:57:48,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 17:57:48,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 17:57:48,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 17:57:48,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 17:57:48,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 17:57:48,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 17:57:48,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 17:57:48,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... [2018-11-07 17:57:48,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 17:57:48,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 17:57:48,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 17:57:48,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 17:57:48,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 17:57:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 17:57:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 17:57:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 17:57:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 17:57:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 17:57:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 17:57:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 17:57:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 17:57:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 17:57:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 17:57:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 17:57:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 17:57:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 17:57:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 17:57:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 17:57:59,212 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 17:57:59,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:57:59 BoogieIcfgContainer [2018-11-07 17:57:59,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 17:57:59,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 17:57:59,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 17:57:59,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 17:57:59,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:57:45" (1/3) ... [2018-11-07 17:57:59,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7409c34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:57:59, skipping insertion in model container [2018-11-07 17:57:59,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:48" (2/3) ... [2018-11-07 17:57:59,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7409c34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:57:59, skipping insertion in model container [2018-11-07 17:57:59,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:57:59" (3/3) ... [2018-11-07 17:57:59,221 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label51_false-unreach-call.c [2018-11-07 17:57:59,232 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 17:57:59,242 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 17:57:59,260 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 17:57:59,309 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 17:57:59,309 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 17:57:59,309 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 17:57:59,310 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 17:57:59,310 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 17:57:59,310 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 17:57:59,310 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 17:57:59,310 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 17:57:59,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 17:57:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-07 17:57:59,373 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 17:57:59,374 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] [2018-11-07 17:57:59,377 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 17:57:59,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 17:57:59,382 INFO L82 PathProgramCache]: Analyzing trace with hash -81716397, now seen corresponding path program 1 times [2018-11-07 17:57:59,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 17:57:59,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:57:59,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 17:57:59,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:57:59,442 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 17:57:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 17:57:59,909 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-11-07 17:57:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 17:57:59,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 17:57:59,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 17:57:59,928 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 17:57:59,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 17:57:59,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 17:57:59,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 17:57:59,955 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-11-07 17:58:13,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 17:58:13,688 INFO L93 Difference]: Finished difference Result 4065 states and 7606 transitions. [2018-11-07 17:58:13,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 17:58:13,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-11-07 17:58:13,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 17:58:13,757 INFO L225 Difference]: With dead ends: 4065 [2018-11-07 17:58:13,757 INFO L226 Difference]: Without dead ends: 2939 [2018-11-07 17:58:13,775 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 17:58:13,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2939 states. [2018-11-07 17:58:13,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2939 to 1972. [2018-11-07 17:58:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1972 states. [2018-11-07 17:58:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 3594 transitions. [2018-11-07 17:58:14,007 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 3594 transitions. Word has length 31 [2018-11-07 17:58:14,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 17:58:14,009 INFO L480 AbstractCegarLoop]: Abstraction has 1972 states and 3594 transitions. [2018-11-07 17:58:14,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 17:58:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 3594 transitions. [2018-11-07 17:58:14,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-07 17:58:14,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 17:58:14,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 17:58:14,024 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 17:58:14,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 17:58:14,024 INFO L82 PathProgramCache]: Analyzing trace with hash 2132538579, now seen corresponding path program 1 times [2018-11-07 17:58:14,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 17:58:14,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:58:14,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 17:58:14,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:58:14,027 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 17:58:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 17:58:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 17:58:14,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 17:58:14,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 17:58:14,476 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 17:58:14,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 17:58:14,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 17:58:14,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 17:58:14,479 INFO L87 Difference]: Start difference. First operand 1972 states and 3594 transitions. Second operand 6 states. [2018-11-07 17:58:30,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 17:58:30,008 INFO L93 Difference]: Finished difference Result 7229 states and 13602 transitions. [2018-11-07 17:58:30,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 17:58:30,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-07 17:58:30,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 17:58:30,048 INFO L225 Difference]: With dead ends: 7229 [2018-11-07 17:58:30,049 INFO L226 Difference]: Without dead ends: 5263 [2018-11-07 17:58:30,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 17:58:30,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5263 states. [2018-11-07 17:58:30,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5263 to 5234. [2018-11-07 17:58:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5234 states. [2018-11-07 17:58:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 8445 transitions. [2018-11-07 17:58:30,334 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 8445 transitions. Word has length 104 [2018-11-07 17:58:30,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 17:58:30,335 INFO L480 AbstractCegarLoop]: Abstraction has 5234 states and 8445 transitions. [2018-11-07 17:58:30,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 17:58:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 8445 transitions. [2018-11-07 17:58:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-07 17:58:30,350 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 17:58:30,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 17:58:30,350 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 17:58:30,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 17:58:30,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1105327350, now seen corresponding path program 1 times [2018-11-07 17:58:30,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 17:58:30,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:58:30,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 17:58:30,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:58:30,354 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 17:58:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 17:58:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 17:58:30,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 17:58:30,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 17:58:30,669 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 17:58:30,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 17:58:30,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 17:58:30,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 17:58:30,671 INFO L87 Difference]: Start difference. First operand 5234 states and 8445 transitions. Second operand 5 states. [2018-11-07 17:58:40,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 17:58:40,437 INFO L93 Difference]: Finished difference Result 15737 states and 26179 transitions. [2018-11-07 17:58:40,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 17:58:40,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-07 17:58:40,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 17:58:40,498 INFO L225 Difference]: With dead ends: 15737 [2018-11-07 17:58:40,499 INFO L226 Difference]: Without dead ends: 10509 [2018-11-07 17:58:40,524 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 17:58:40,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10509 states. [2018-11-07 17:58:40,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10509 to 10304. [2018-11-07 17:58:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10304 states. [2018-11-07 17:58:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10304 states to 10304 states and 15523 transitions. [2018-11-07 17:58:40,896 INFO L78 Accepts]: Start accepts. Automaton has 10304 states and 15523 transitions. Word has length 133 [2018-11-07 17:58:40,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 17:58:40,897 INFO L480 AbstractCegarLoop]: Abstraction has 10304 states and 15523 transitions. [2018-11-07 17:58:40,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 17:58:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 10304 states and 15523 transitions. [2018-11-07 17:58:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-07 17:58:40,905 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 17:58:40,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 17:58:40,905 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 17:58:40,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 17:58:40,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1620702082, now seen corresponding path program 1 times [2018-11-07 17:58:40,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 17:58:40,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:58:40,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 17:58:40,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:58:40,909 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 17:58:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 17:58:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 17:58:41,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 17:58:41,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 17:58:41,332 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 17:58:41,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 17:58:41,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 17:58:41,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 17:58:41,333 INFO L87 Difference]: Start difference. First operand 10304 states and 15523 transitions. Second operand 5 states. [2018-11-07 17:58:57,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 17:58:57,126 INFO L93 Difference]: Finished difference Result 32099 states and 50269 transitions. [2018-11-07 17:58:57,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 17:58:57,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-11-07 17:58:57,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 17:58:57,230 INFO L225 Difference]: With dead ends: 32099 [2018-11-07 17:58:57,230 INFO L226 Difference]: Without dead ends: 21801 [2018-11-07 17:58:57,282 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 17:58:57,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21801 states. [2018-11-07 17:58:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21801 to 21582. [2018-11-07 17:58:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21582 states. [2018-11-07 17:58:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21582 states to 21582 states and 31840 transitions. [2018-11-07 17:58:57,792 INFO L78 Accepts]: Start accepts. Automaton has 21582 states and 31840 transitions. Word has length 137 [2018-11-07 17:58:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 17:58:57,794 INFO L480 AbstractCegarLoop]: Abstraction has 21582 states and 31840 transitions. [2018-11-07 17:58:57,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 17:58:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21582 states and 31840 transitions. [2018-11-07 17:58:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-07 17:58:57,798 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 17:58:57,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 17:58:57,799 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 17:58:57,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 17:58:57,800 INFO L82 PathProgramCache]: Analyzing trace with hash 819768018, now seen corresponding path program 1 times [2018-11-07 17:58:57,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 17:58:57,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:58:57,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 17:58:57,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:58:57,801 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 17:58:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 17:58:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 17:58:58,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 17:58:58,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 17:58:58,054 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 17:58:58,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 17:58:58,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 17:58:58,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 17:58:58,058 INFO L87 Difference]: Start difference. First operand 21582 states and 31840 transitions. Second operand 4 states. [2018-11-07 17:59:07,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 17:59:07,649 INFO L93 Difference]: Finished difference Result 82852 states and 132541 transitions. [2018-11-07 17:59:07,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 17:59:07,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2018-11-07 17:59:07,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 17:59:07,932 INFO L225 Difference]: With dead ends: 82852 [2018-11-07 17:59:07,932 INFO L226 Difference]: Without dead ends: 61276 [2018-11-07 17:59:08,053 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 17:59:08,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61276 states. [2018-11-07 17:59:09,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61276 to 61213. [2018-11-07 17:59:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61213 states. [2018-11-07 17:59:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61213 states to 61213 states and 89349 transitions. [2018-11-07 17:59:09,277 INFO L78 Accepts]: Start accepts. Automaton has 61213 states and 89349 transitions. Word has length 147 [2018-11-07 17:59:09,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 17:59:09,277 INFO L480 AbstractCegarLoop]: Abstraction has 61213 states and 89349 transitions. [2018-11-07 17:59:09,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 17:59:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 61213 states and 89349 transitions. [2018-11-07 17:59:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-07 17:59:09,294 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 17:59:09,294 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 17:59:09,295 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 17:59:09,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 17:59:09,295 INFO L82 PathProgramCache]: Analyzing trace with hash -643006826, now seen corresponding path program 1 times [2018-11-07 17:59:09,295 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 17:59:09,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:59:09,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 17:59:09,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 17:59:09,297 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 17:59:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 17:59:09,597 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 17:59:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 48 proven. 102 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 17:59:09,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 17:59:09,862 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 17:59:09,863 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-11-07 17:59:09,865 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2775], [2777], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [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], [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], [3289], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3336], [3341], [3343], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 17:59:09,916 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 17:59:09,917 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 17:59:10,749 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 17:59:10,750 INFO L272 AbstractInterpreter]: Visited 122 different actions 122 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 17:59:10,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 17:59:10,784 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 17:59:12,105 INFO L227 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 71.16% of their original sizes. [2018-11-07 17:59:12,106 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 17:59:12,524 INFO L415 sIntCurrentIteration]: We unified 256 AI predicates to 256 [2018-11-07 17:59:12,524 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 17:59:12,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 17:59:12,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 17:59:12,525 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 17:59:12,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 17:59:12,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 17:59:12,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-07 17:59:12,527 INFO L87 Difference]: Start difference. First operand 61213 states and 89349 transitions. Second operand 11 states. [2018-11-07 17:59:26,265 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 18:00:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:00:54,919 INFO L93 Difference]: Finished difference Result 123229 states and 179617 transitions. [2018-11-07 18:00:54,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-07 18:00:54,919 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 257 [2018-11-07 18:00:54,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:00:55,183 INFO L225 Difference]: With dead ends: 123229 [2018-11-07 18:00:55,183 INFO L226 Difference]: Without dead ends: 62022 [2018-11-07 18:00:55,316 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 261 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-11-07 18:00:55,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62022 states. [2018-11-07 18:00:56,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62022 to 62017. [2018-11-07 18:00:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62017 states. [2018-11-07 18:00:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62017 states to 62017 states and 90164 transitions. [2018-11-07 18:00:56,457 INFO L78 Accepts]: Start accepts. Automaton has 62017 states and 90164 transitions. Word has length 257 [2018-11-07 18:00:56,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:00:56,457 INFO L480 AbstractCegarLoop]: Abstraction has 62017 states and 90164 transitions. [2018-11-07 18:00:56,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:00:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 62017 states and 90164 transitions. [2018-11-07 18:00:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-11-07 18:00:56,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:00:56,480 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 18:00:56,480 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:00:56,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:00:56,481 INFO L82 PathProgramCache]: Analyzing trace with hash -562502947, now seen corresponding path program 1 times [2018-11-07 18:00:56,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:00:56,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:00:56,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:00:56,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:00:56,482 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:00:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:00:56,834 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:00:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 49 proven. 62 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-07 18:00:57,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:00:57,322 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:00:57,322 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 304 with the following transitions: [2018-11-07 18:00:57,323 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2775], [2777], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [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], [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], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [3410], [3414], [3425], [3429], [3440], [3451], [3455], [3459], [3463], [3467], [3471], [3475], [3478], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 18:00:57,329 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:00:57,329 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:00:57,839 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:00:57,840 INFO L272 AbstractInterpreter]: Visited 150 different actions 437 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 18:00:57,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:00:57,848 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:00:59,441 INFO L227 lantSequenceWeakener]: Weakened 300 states. On average, predicates are now at 70.94% of their original sizes. [2018-11-07 18:00:59,442 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:00:59,569 INFO L415 sIntCurrentIteration]: We unified 302 AI predicates to 302 [2018-11-07 18:00:59,569 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:00:59,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:00:59,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 18:00:59,569 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:00:59,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:00:59,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:00:59,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:00:59,571 INFO L87 Difference]: Start difference. First operand 62017 states and 90164 transitions. Second operand 11 states. [2018-11-07 18:01:03,503 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 18:01:09,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 18:01:09,533 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 18:01:09,539 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 18:01:09,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:01:09 BoogieIcfgContainer [2018-11-07 18:01:09,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:01:09,540 INFO L168 Benchmark]: Toolchain (without parser) took 203921.56 ms. Allocated memory was 1.5 GB in the beginning and 5.0 GB in the end (delta: 3.5 GB). Free memory was 1.4 GB in the beginning and 4.1 GB in the end (delta: -2.7 GB). Peak memory consumption was 790.4 MB. Max. memory is 7.1 GB. [2018-11-07 18:01:09,542 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:01:09,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2495.79 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: 256.3 MB). Peak memory consumption was 256.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:01:09,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 444.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 796.9 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:01:09,545 INFO L168 Benchmark]: Boogie Preprocessor took 315.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:01:09,546 INFO L168 Benchmark]: RCFGBuilder took 10334.51 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 179.8 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -8.4 MB). Peak memory consumption was 672.2 MB. Max. memory is 7.1 GB. [2018-11-07 18:01:09,547 INFO L168 Benchmark]: TraceAbstraction took 190325.29 ms. Allocated memory was 2.5 GB in the beginning and 5.0 GB in the end (delta: 2.5 GB). Free memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 619.1 MB. Max. memory is 7.1 GB. [2018-11-07 18:01:09,552 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 2495.79 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: 256.3 MB). Peak memory consumption was 256.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 444.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 796.9 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 315.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10334.51 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 179.8 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -8.4 MB). Peak memory consumption was 672.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 190325.29 ms. Allocated memory was 2.5 GB in the beginning and 5.0 GB in the end (delta: 2.5 GB). Free memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 619.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 84). Cancelled while BasicCegarLoop was constructing difference of abstraction (62017states) and FLOYD_HOARE automaton (currently 13 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (1393 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 190.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 177.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3635 SDtfs, 18895 SDslu, 3785 SDs, 0 SdLazy, 38657 SolverSat, 7703 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 611 GetRequests, 555 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62017occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9979530225112272 AbsIntWeakeningRatio, 0.0985663082437276 AbsIntAvgWeakeningVarsNumRemoved, 11.589605734767025 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 1488 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1112 NumberOfCodeBlocks, 1112 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1105 ConstructedInterpolants, 0 QuantifiedInterpolants, 747611 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 265/429 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown