java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label48_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 02:27:29,969 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 02:27:29,971 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 02:27:29,987 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 02:27:29,987 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 02:27:29,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 02:27:29,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 02:27:29,993 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 02:27:29,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 02:27:29,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 02:27:29,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 02:27:29,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 02:27:29,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 02:27:30,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 02:27:30,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 02:27:30,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 02:27:30,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 02:27:30,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 02:27:30,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 02:27:30,018 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 02:27:30,020 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 02:27:30,021 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 02:27:30,024 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 02:27:30,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 02:27:30,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 02:27:30,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 02:27:30,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 02:27:30,033 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 02:27:30,034 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 02:27:30,035 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 02:27:30,035 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 02:27:30,036 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 02:27:30,036 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 02:27:30,036 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 02:27:30,038 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 02:27:30,039 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 02:27:30,039 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 02:27:30,073 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 02:27:30,073 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 02:27:30,074 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 02:27:30,074 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 02:27:30,074 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 02:27:30,075 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 02:27:30,075 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 02:27:30,075 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 02:27:30,075 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 02:27:30,075 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 02:27:30,076 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 02:27:30,076 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 02:27:30,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 02:27:30,077 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 02:27:30,077 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 02:27:30,078 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 02:27:30,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 02:27:30,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 02:27:30,078 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 02:27:30,078 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 02:27:30,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 02:27:30,079 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 02:27:30,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 02:27:30,079 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 02:27:30,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 02:27:30,081 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 02:27:30,081 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 02:27:30,082 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 02:27:30,082 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 02:27:30,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 02:27:30,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 02:27:30,082 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 02:27:30,083 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 02:27:30,083 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 02:27:30,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 02:27:30,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 02:27:30,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 02:27:30,171 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 02:27:30,171 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 02:27:30,172 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label48_true-unreach-call.c [2018-10-24 02:27:30,232 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8b21eae1e/23faa705cc9c4385902009bd49bef82d/FLAG827b4b613 [2018-10-24 02:27:31,109 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 02:27:31,110 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label48_true-unreach-call.c [2018-10-24 02:27:31,154 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8b21eae1e/23faa705cc9c4385902009bd49bef82d/FLAG827b4b613 [2018-10-24 02:27:31,170 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8b21eae1e/23faa705cc9c4385902009bd49bef82d [2018-10-24 02:27:31,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 02:27:31,184 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 02:27:31,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 02:27:31,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 02:27:31,191 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 02:27:31,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:27:31" (1/1) ... [2018-10-24 02:27:31,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d91e395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:31, skipping insertion in model container [2018-10-24 02:27:31,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:27:31" (1/1) ... [2018-10-24 02:27:31,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 02:27:31,465 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 02:27:33,283 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:27:33,289 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 02:27:34,482 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:27:34,539 INFO L193 MainTranslator]: Completed translation [2018-10-24 02:27:34,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34 WrapperNode [2018-10-24 02:27:34,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 02:27:34,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 02:27:34,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 02:27:34,541 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 02:27:34,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:34,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:35,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 02:27:35,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 02:27:35,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 02:27:35,260 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 02:27:35,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:35,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:35,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:35,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:35,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:35,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:35,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... [2018-10-24 02:27:35,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 02:27:35,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 02:27:35,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 02:27:35,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 02:27:35,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 02:27:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 02:27:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 02:27:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 02:27:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 02:27:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 02:27:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 02:27:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 02:27:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 02:27:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 02:27:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 02:27:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 02:27:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 02:27:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 02:27:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 02:27:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 02:27:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 02:27:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 02:27:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 02:27:54,051 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 02:27:54,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:27:54 BoogieIcfgContainer [2018-10-24 02:27:54,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 02:27:54,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 02:27:54,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 02:27:54,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 02:27:54,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:27:31" (1/3) ... [2018-10-24 02:27:54,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2925a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:27:54, skipping insertion in model container [2018-10-24 02:27:54,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:34" (2/3) ... [2018-10-24 02:27:54,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2925a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:27:54, skipping insertion in model container [2018-10-24 02:27:54,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:27:54" (3/3) ... [2018-10-24 02:27:54,060 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label48_true-unreach-call.c [2018-10-24 02:27:54,071 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 02:27:54,082 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 02:27:54,100 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 02:27:54,154 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 02:27:54,154 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 02:27:54,154 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 02:27:54,154 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 02:27:54,155 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 02:27:54,155 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 02:27:54,155 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 02:27:54,155 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 02:27:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 02:27:54,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-24 02:27:54,222 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:27:54,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:27:54,226 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:27:54,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:27:54,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1378870764, now seen corresponding path program 1 times [2018-10-24 02:27:54,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:27:54,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:27:54,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:27:54,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:27:54,290 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:27:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:27:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:27:54,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:27:54,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 02:27:54,820 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:27:54,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 02:27:54,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 02:27:54,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:27:54,852 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-10-24 02:28:18,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:28:18,059 INFO L93 Difference]: Finished difference Result 6465 states and 12332 transitions. [2018-10-24 02:28:18,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 02:28:18,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-10-24 02:28:18,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:28:18,118 INFO L225 Difference]: With dead ends: 6465 [2018-10-24 02:28:18,118 INFO L226 Difference]: Without dead ends: 4681 [2018-10-24 02:28:18,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:28:18,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2018-10-24 02:28:18,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 3200. [2018-10-24 02:28:18,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3200 states. [2018-10-24 02:28:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 5132 transitions. [2018-10-24 02:28:18,361 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 5132 transitions. Word has length 72 [2018-10-24 02:28:18,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:28:18,362 INFO L481 AbstractCegarLoop]: Abstraction has 3200 states and 5132 transitions. [2018-10-24 02:28:18,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 02:28:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 5132 transitions. [2018-10-24 02:28:18,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-24 02:28:18,371 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:28:18,371 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, 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] [2018-10-24 02:28:18,372 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:28:18,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:28:18,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1394303167, now seen corresponding path program 1 times [2018-10-24 02:28:18,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:28:18,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:28:18,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:28:18,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:28:18,374 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:28:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:28:18,695 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:28:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:28:19,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:28:19,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:28:19,087 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:28:19,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:28:19,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:28:19,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:28:19,089 INFO L87 Difference]: Start difference. First operand 3200 states and 5132 transitions. Second operand 6 states. [2018-10-24 02:28:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:28:49,101 INFO L93 Difference]: Finished difference Result 12097 states and 19723 transitions. [2018-10-24 02:28:49,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:28:49,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-10-24 02:28:49,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:28:49,156 INFO L225 Difference]: With dead ends: 12097 [2018-10-24 02:28:49,156 INFO L226 Difference]: Without dead ends: 8903 [2018-10-24 02:28:49,173 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 02:28:49,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8903 states. [2018-10-24 02:28:49,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8903 to 8846. [2018-10-24 02:28:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8846 states. [2018-10-24 02:28:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 12708 transitions. [2018-10-24 02:28:49,458 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 12708 transitions. Word has length 144 [2018-10-24 02:28:49,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:28:49,459 INFO L481 AbstractCegarLoop]: Abstraction has 8846 states and 12708 transitions. [2018-10-24 02:28:49,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:28:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 12708 transitions. [2018-10-24 02:28:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-24 02:28:49,470 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:28:49,470 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, 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] [2018-10-24 02:28:49,470 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:28:49,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:28:49,471 INFO L82 PathProgramCache]: Analyzing trace with hash -322669480, now seen corresponding path program 1 times [2018-10-24 02:28:49,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:28:49,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:28:49,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:28:49,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:28:49,476 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:28:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:28:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:28:49,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:28:49,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:28:49,807 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:28:49,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:28:49,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:28:49,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:28:49,809 INFO L87 Difference]: Start difference. First operand 8846 states and 12708 transitions. Second operand 6 states. [2018-10-24 02:29:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:29:17,924 INFO L93 Difference]: Finished difference Result 29431 states and 43427 transitions. [2018-10-24 02:29:17,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:29:17,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-10-24 02:29:17,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:29:18,041 INFO L225 Difference]: With dead ends: 29431 [2018-10-24 02:29:18,042 INFO L226 Difference]: Without dead ends: 20591 [2018-10-24 02:29:18,080 INFO L605 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 [2018-10-24 02:29:18,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20591 states. [2018-10-24 02:29:18,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20591 to 20435. [2018-10-24 02:29:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20435 states. [2018-10-24 02:29:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20435 states to 20435 states and 28678 transitions. [2018-10-24 02:29:18,550 INFO L78 Accepts]: Start accepts. Automaton has 20435 states and 28678 transitions. Word has length 146 [2018-10-24 02:29:18,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:29:18,551 INFO L481 AbstractCegarLoop]: Abstraction has 20435 states and 28678 transitions. [2018-10-24 02:29:18,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:29:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 20435 states and 28678 transitions. [2018-10-24 02:29:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-24 02:29:18,554 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:29:18,555 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, 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] [2018-10-24 02:29:18,555 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:29:18,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:29:18,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1699491839, now seen corresponding path program 1 times [2018-10-24 02:29:18,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:29:18,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:29:18,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:29:18,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:29:18,557 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:29:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:29:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:29:19,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:29:19,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:29:19,035 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:29:19,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:29:19,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:29:19,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:29:19,036 INFO L87 Difference]: Start difference. First operand 20435 states and 28678 transitions. Second operand 6 states. [2018-10-24 02:29:42,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:29:42,061 INFO L93 Difference]: Finished difference Result 62286 states and 89799 transitions. [2018-10-24 02:29:42,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 02:29:42,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-10-24 02:29:42,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:29:42,229 INFO L225 Difference]: With dead ends: 62286 [2018-10-24 02:29:42,229 INFO L226 Difference]: Without dead ends: 41857 [2018-10-24 02:29:42,304 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 02:29:42,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41857 states. [2018-10-24 02:29:43,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41857 to 41513. [2018-10-24 02:29:43,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41513 states. [2018-10-24 02:29:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41513 states to 41513 states and 57814 transitions. [2018-10-24 02:29:43,517 INFO L78 Accepts]: Start accepts. Automaton has 41513 states and 57814 transitions. Word has length 154 [2018-10-24 02:29:43,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:29:43,518 INFO L481 AbstractCegarLoop]: Abstraction has 41513 states and 57814 transitions. [2018-10-24 02:29:43,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:29:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 41513 states and 57814 transitions. [2018-10-24 02:29:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-24 02:29:43,523 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:29:43,524 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, 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] [2018-10-24 02:29:43,524 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:29:43,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:29:43,524 INFO L82 PathProgramCache]: Analyzing trace with hash -666275863, now seen corresponding path program 1 times [2018-10-24 02:29:43,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:29:43,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:29:43,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:29:43,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:29:43,526 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:29:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:29:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:29:43,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:29:43,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 02:29:43,854 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:29:43,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 02:29:43,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 02:29:43,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 02:29:43,856 INFO L87 Difference]: Start difference. First operand 41513 states and 57814 transitions. Second operand 5 states. [2018-10-24 02:30:12,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:30:12,824 INFO L93 Difference]: Finished difference Result 125864 states and 180580 transitions. [2018-10-24 02:30:12,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 02:30:12,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2018-10-24 02:30:12,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:30:13,111 INFO L225 Difference]: With dead ends: 125864 [2018-10-24 02:30:13,112 INFO L226 Difference]: Without dead ends: 84357 [2018-10-24 02:30:13,185 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 02:30:13,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84357 states. [2018-10-24 02:30:14,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84357 to 83170. [2018-10-24 02:30:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83170 states. [2018-10-24 02:30:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83170 states to 83170 states and 107249 transitions. [2018-10-24 02:30:14,610 INFO L78 Accepts]: Start accepts. Automaton has 83170 states and 107249 transitions. Word has length 174 [2018-10-24 02:30:14,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:30:14,610 INFO L481 AbstractCegarLoop]: Abstraction has 83170 states and 107249 transitions. [2018-10-24 02:30:14,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 02:30:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 83170 states and 107249 transitions. [2018-10-24 02:30:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-24 02:30:14,618 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:30:14,618 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:30:14,619 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:30:14,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:30:14,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1062511734, now seen corresponding path program 1 times [2018-10-24 02:30:14,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:30:14,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:30:14,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:30:14,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:30:14,621 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:30:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:30:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:30:14,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:30:14,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:30:14,920 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:30:14,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:30:14,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:30:14,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:30:14,921 INFO L87 Difference]: Start difference. First operand 83170 states and 107249 transitions. Second operand 6 states. [2018-10-24 02:30:31,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:30:31,714 INFO L93 Difference]: Finished difference Result 188135 states and 253190 transitions. [2018-10-24 02:30:31,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:30:31,717 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2018-10-24 02:30:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:30:32,028 INFO L225 Difference]: With dead ends: 188135 [2018-10-24 02:30:32,029 INFO L226 Difference]: Without dead ends: 104971 [2018-10-24 02:30:32,163 INFO L605 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 [2018-10-24 02:30:32,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104971 states. [2018-10-24 02:30:34,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104971 to 104208. [2018-10-24 02:30:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104208 states. [2018-10-24 02:30:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104208 states to 104208 states and 134745 transitions. [2018-10-24 02:30:34,651 INFO L78 Accepts]: Start accepts. Automaton has 104208 states and 134745 transitions. Word has length 237 [2018-10-24 02:30:34,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:30:34,652 INFO L481 AbstractCegarLoop]: Abstraction has 104208 states and 134745 transitions. [2018-10-24 02:30:34,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:30:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 104208 states and 134745 transitions. [2018-10-24 02:30:34,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-10-24 02:30:34,669 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:30:34,669 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:30:34,670 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:30:34,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:30:34,670 INFO L82 PathProgramCache]: Analyzing trace with hash 771212805, now seen corresponding path program 1 times [2018-10-24 02:30:34,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:30:34,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:30:34,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:30:34,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:30:34,672 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:30:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:30:35,214 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:30:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 02:30:35,528 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:30:35,528 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:30:35,530 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 560 with the following transitions: [2018-10-24 02:30:35,534 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5093], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5698], [5702], [5704], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-10-24 02:30:35,638 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:30:35,639 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:30:54,291 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 02:30:54,330 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 02:30:54,335 INFO L272 AbstractInterpreter]: Visited 488 different actions 488 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 02:30:54,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:30:54,390 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 02:31:00,248 INFO L232 lantSequenceWeakener]: Weakened 551 states. On average, predicates are now at 75.41% of their original sizes. [2018-10-24 02:31:00,248 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 02:31:01,063 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 02:31:01,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 02:31:01,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-10-24 02:31:01,065 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:31:01,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 02:31:01,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 02:31:01,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-24 02:31:01,068 INFO L87 Difference]: Start difference. First operand 104208 states and 134745 transitions. Second operand 9 states. Received shutdown request... [2018-10-24 02:31:16,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:31:16,190 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 02:31:16,195 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 02:31:16,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:31:16 BoogieIcfgContainer [2018-10-24 02:31:16,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 02:31:16,196 INFO L168 Benchmark]: Toolchain (without parser) took 225013.36 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 02:31:16,197 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 02:31:16,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3354.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 985.5 MB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:16,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 719.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 837.3 MB). Free memory was 985.5 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:16,199 INFO L168 Benchmark]: Boogie Preprocessor took 509.12 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:16,200 INFO L168 Benchmark]: RCFGBuilder took 18282.64 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 181.9 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 498.4 MB). Peak memory consumption was 680.3 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:16,201 INFO L168 Benchmark]: TraceAbstraction took 202142.33 ms. Allocated memory was 2.5 GB in the beginning and 3.9 GB in the end (delta: 1.4 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -786.8 MB). Peak memory consumption was 577.4 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:16,207 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3354.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 985.5 MB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 719.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 837.3 MB). Free memory was 985.5 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 509.12 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18282.64 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 181.9 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 498.4 MB). Peak memory consumption was 680.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202142.33 ms. Allocated memory was 2.5 GB in the beginning and 3.9 GB in the end (delta: 1.4 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -786.8 MB). Peak memory consumption was 577.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 211]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 211). Cancelled while BasicCegarLoop was constructing difference of abstraction (104208states) and FLOYD_HOARE automaton (currently 7 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (559 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 202.0s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 166.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4410 SDtfs, 39708 SDslu, 4837 SDs, 0 SdLazy, 59588 SolverSat, 15541 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 132.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 614 GetRequests, 567 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104208occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 18.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9984091535704439 AbsIntWeakeningRatio, 0.044802867383512544 AbsIntAvgWeakeningVarsNumRemoved, 1078.611111111111 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3988 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1486 NumberOfCodeBlocks, 1486 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1479 ConstructedInterpolants, 0 QuantifiedInterpolants, 1598812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 329/390 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown