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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:27:04,940 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:27:04,942 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:27:04,958 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:27:04,958 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:27:04,960 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:27:04,961 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:27:04,967 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:27:04,969 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:27:04,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:27:04,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:27:04,973 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:27:04,974 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:27:04,977 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:27:04,978 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:27:04,979 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:27:04,988 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:27:04,993 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:27:04,995 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:27:04,996 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:27:04,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:27:05,001 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:27:05,007 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:27:05,007 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:27:05,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:27:05,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:27:05,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:27:05,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:27:05,012 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:27:05,015 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:27:05,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:27:05,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:27:05,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:27:05,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:27:05,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:27:05,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:27:05,021 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 18:27:05,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:27:05,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:27:05,053 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:27:05,053 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:27:05,053 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:27:05,054 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:27:05,054 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:27:05,054 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:27:05,055 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:27:05,055 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:27:05,055 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:27:05,056 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:27:05,056 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:27:05,057 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:27:05,057 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:27:05,057 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:27:05,057 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:27:05,059 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:27:05,059 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:27:05,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:27:05,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:27:05,060 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:27:05,060 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:27:05,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:27:05,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:27:05,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:27:05,061 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:27:05,061 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:27:05,061 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:27:05,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:27:05,062 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:27:05,062 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:27:05,062 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:27:05,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:27:05,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:27:05,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:27:05,134 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:27:05,134 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:27:05,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-09-14 18:27:05,505 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b1a17d0/f8f52ee447b94ce390bf9bdd1347dd13/FLAGb8055e7c8 [2018-09-14 18:27:06,123 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:27:06,125 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-09-14 18:27:06,178 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b1a17d0/f8f52ee447b94ce390bf9bdd1347dd13/FLAGb8055e7c8 [2018-09-14 18:27:06,200 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b1a17d0/f8f52ee447b94ce390bf9bdd1347dd13 [2018-09-14 18:27:06,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:27:06,220 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:27:06,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:27:06,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:27:06,229 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:27:06,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:27:06" (1/1) ... [2018-09-14 18:27:06,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3749a452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:06, skipping insertion in model container [2018-09-14 18:27:06,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:27:06" (1/1) ... [2018-09-14 18:27:06,247 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:27:08,358 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:27:08,380 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:27:09,323 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:27:09,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09 WrapperNode [2018-09-14 18:27:09,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:27:09,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:27:09,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:27:09,997 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:27:10,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:10,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:11,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:27:11,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:27:11,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:27:11,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:27:11,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:11,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:11,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:11,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:11,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:11,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:11,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (1/1) ... [2018-09-14 18:27:12,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:27:12,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:27:12,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:27:12,070 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:27:12,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (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 [2018-09-14 18:27:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:27:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:27:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:27:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:27:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:27:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:27:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:27:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:27:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:27:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:27:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:27:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:27:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:27:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:27:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:27:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:27:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:27:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:27:31,316 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:27:31,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:27:31 BoogieIcfgContainer [2018-09-14 18:27:31,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:27:31,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:27:31,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:27:31,321 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:27:31,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:27:06" (1/3) ... [2018-09-14 18:27:31,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d54df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:27:31, skipping insertion in model container [2018-09-14 18:27:31,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:09" (2/3) ... [2018-09-14 18:27:31,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d54df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:27:31, skipping insertion in model container [2018-09-14 18:27:31,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:27:31" (3/3) ... [2018-09-14 18:27:31,325 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label57_true-unreach-call.c [2018-09-14 18:27:31,335 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:27:31,350 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:27:31,422 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:27:31,423 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:27:31,423 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:27:31,424 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:27:31,424 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:27:31,424 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:27:31,424 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:27:31,424 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:27:31,424 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:27:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:27:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-14 18:27:31,487 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:31,488 INFO L376 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] [2018-09-14 18:27:31,489 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:31,495 INFO L82 PathProgramCache]: Analyzing trace with hash 281412154, now seen corresponding path program 1 times [2018-09-14 18:27:31,498 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:31,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:31,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:31,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:31,548 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:31,959 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:27:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:32,140 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:32,145 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:32,146 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:32,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:32,162 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:32,163 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:32,165 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-14 18:27:49,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:49,015 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-09-14 18:27:49,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:49,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-09-14 18:27:49,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:49,064 INFO L225 Difference]: With dead ends: 4998 [2018-09-14 18:27:49,066 INFO L226 Difference]: Without dead ends: 3218 [2018-09-14 18:27:49,083 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-09-14 18:27:49,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-09-14 18:27:49,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-14 18:27:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-09-14 18:27:49,295 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 63 [2018-09-14 18:27:49,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:49,296 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-09-14 18:27:49,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-09-14 18:27:49,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-14 18:27:49,305 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:49,305 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:49,305 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:49,306 INFO L82 PathProgramCache]: Analyzing trace with hash 375438820, now seen corresponding path program 1 times [2018-09-14 18:27:49,306 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:49,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:49,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:49,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:49,308 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:49,651 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:27:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:50,109 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:50,109 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:27:50,109 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:50,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:27:50,112 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:27:50,112 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:27:50,112 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-09-14 18:28:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:28:16,883 INFO L93 Difference]: Finished difference Result 9352 states and 16959 transitions. [2018-09-14 18:28:16,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:28:16,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-09-14 18:28:16,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:28:16,922 INFO L225 Difference]: With dead ends: 9352 [2018-09-14 18:28:16,922 INFO L226 Difference]: Without dead ends: 6143 [2018-09-14 18:28:16,934 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:28:16,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6143 states. [2018-09-14 18:28:17,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6143 to 6100. [2018-09-14 18:28:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6100 states. [2018-09-14 18:28:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6100 states to 6100 states and 9647 transitions. [2018-09-14 18:28:17,091 INFO L78 Accepts]: Start accepts. Automaton has 6100 states and 9647 transitions. Word has length 135 [2018-09-14 18:28:17,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:28:17,092 INFO L480 AbstractCegarLoop]: Abstraction has 6100 states and 9647 transitions. [2018-09-14 18:28:17,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:28:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 6100 states and 9647 transitions. [2018-09-14 18:28:17,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-14 18:28:17,097 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:28:17,097 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:28:17,097 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:28:17,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2059073519, now seen corresponding path program 1 times [2018-09-14 18:28:17,098 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:28:17,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:17,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:28:17,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:17,099 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:28:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:28:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:28:17,293 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:28:17,293 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:28:17,293 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:28:17,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:28:17,294 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:28:17,294 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:28:17,295 INFO L87 Difference]: Start difference. First operand 6100 states and 9647 transitions. Second operand 6 states. [2018-09-14 18:28:45,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:28:45,222 INFO L93 Difference]: Finished difference Result 21109 states and 34252 transitions. [2018-09-14 18:28:45,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:28:45,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-09-14 18:28:45,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:28:45,300 INFO L225 Difference]: With dead ends: 21109 [2018-09-14 18:28:45,301 INFO L226 Difference]: Without dead ends: 15015 [2018-09-14 18:28:45,326 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 [2018-09-14 18:28:45,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15015 states. [2018-09-14 18:28:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15015 to 14826. [2018-09-14 18:28:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14826 states. [2018-09-14 18:28:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14826 states to 14826 states and 22434 transitions. [2018-09-14 18:28:45,691 INFO L78 Accepts]: Start accepts. Automaton has 14826 states and 22434 transitions. Word has length 137 [2018-09-14 18:28:45,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:28:45,692 INFO L480 AbstractCegarLoop]: Abstraction has 14826 states and 22434 transitions. [2018-09-14 18:28:45,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:28:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 14826 states and 22434 transitions. [2018-09-14 18:28:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-14 18:28:45,697 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:28:45,697 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:28:45,698 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:28:45,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1489466256, now seen corresponding path program 1 times [2018-09-14 18:28:45,698 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:28:45,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:45,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:28:45,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:45,700 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:28:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:28:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:28:46,258 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:28:46,258 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:28:46,259 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:28:46,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:28:46,259 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:28:46,260 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:28:46,260 INFO L87 Difference]: Start difference. First operand 14826 states and 22434 transitions. Second operand 6 states. [2018-09-14 18:29:34,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:29:34,521 INFO L93 Difference]: Finished difference Result 58701 states and 93398 transitions. [2018-09-14 18:29:34,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:29:34,521 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-09-14 18:29:34,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:29:34,688 INFO L225 Difference]: With dead ends: 58701 [2018-09-14 18:29:34,688 INFO L226 Difference]: Without dead ends: 43881 [2018-09-14 18:29:34,758 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-14 18:29:34,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43881 states. [2018-09-14 18:29:35,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43881 to 43789. [2018-09-14 18:29:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43789 states. [2018-09-14 18:29:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43789 states to 43789 states and 63281 transitions. [2018-09-14 18:29:35,751 INFO L78 Accepts]: Start accepts. Automaton has 43789 states and 63281 transitions. Word has length 159 [2018-09-14 18:29:35,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:29:35,751 INFO L480 AbstractCegarLoop]: Abstraction has 43789 states and 63281 transitions. [2018-09-14 18:29:35,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:29:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 43789 states and 63281 transitions. [2018-09-14 18:29:35,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-14 18:29:35,757 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:29:35,757 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:29:35,758 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:29:35,758 INFO L82 PathProgramCache]: Analyzing trace with hash -943021916, now seen corresponding path program 1 times [2018-09-14 18:29:35,758 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:29:35,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:29:35,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:29:35,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:29:35,759 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:29:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:29:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:29:36,092 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:29:36,092 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:29:36,093 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:29:36,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:29:36,093 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:29:36,096 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:29:36,096 INFO L87 Difference]: Start difference. First operand 43789 states and 63281 transitions. Second operand 5 states. [2018-09-14 18:30:04,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:30:04,826 INFO L93 Difference]: Finished difference Result 132725 states and 204473 transitions. [2018-09-14 18:30:04,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:30:04,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-09-14 18:30:04,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:30:05,109 INFO L225 Difference]: With dead ends: 132725 [2018-09-14 18:30:05,110 INFO L226 Difference]: Without dead ends: 88942 [2018-09-14 18:30:05,200 INFO L604 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 [2018-09-14 18:30:05,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88942 states. [2018-09-14 18:30:06,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88942 to 88222. [2018-09-14 18:30:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88222 states. [2018-09-14 18:30:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88222 states to 88222 states and 122130 transitions. [2018-09-14 18:30:06,751 INFO L78 Accepts]: Start accepts. Automaton has 88222 states and 122130 transitions. Word has length 168 [2018-09-14 18:30:06,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:30:06,753 INFO L480 AbstractCegarLoop]: Abstraction has 88222 states and 122130 transitions. [2018-09-14 18:30:06,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:30:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 88222 states and 122130 transitions. [2018-09-14 18:30:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-14 18:30:06,761 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:30:06,761 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:30:06,762 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:30:06,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1450159581, now seen corresponding path program 1 times [2018-09-14 18:30:06,762 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:30:06,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:30:06,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:30:06,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:30:06,763 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:30:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:30:07,041 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:30:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:30:07,242 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:30:07,242 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:30:07,242 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:30:07,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:30:07,242 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:30:07,243 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:30:07,243 INFO L87 Difference]: Start difference. First operand 88222 states and 122130 transitions. Second operand 6 states. [2018-09-14 18:30:30,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:30:30,609 INFO L93 Difference]: Finished difference Result 209518 states and 307940 transitions. [2018-09-14 18:30:30,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:30:30,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-09-14 18:30:30,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:30:30,981 INFO L225 Difference]: With dead ends: 209518 [2018-09-14 18:30:30,982 INFO L226 Difference]: Without dead ends: 121302 [2018-09-14 18:30:31,134 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:30:31,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121302 states. [2018-09-14 18:30:33,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121302 to 120947. [2018-09-14 18:30:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120947 states. [2018-09-14 18:30:33,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120947 states to 120947 states and 164930 transitions. [2018-09-14 18:30:33,685 INFO L78 Accepts]: Start accepts. Automaton has 120947 states and 164930 transitions. Word has length 196 [2018-09-14 18:30:33,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:30:33,685 INFO L480 AbstractCegarLoop]: Abstraction has 120947 states and 164930 transitions. [2018-09-14 18:30:33,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:30:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand 120947 states and 164930 transitions. [2018-09-14 18:30:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-09-14 18:30:33,695 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:30:33,695 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:30:33,696 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:30:33,696 INFO L82 PathProgramCache]: Analyzing trace with hash -324377534, now seen corresponding path program 1 times [2018-09-14 18:30:33,696 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:30:33,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:30:33,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:30:33,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:30:33,697 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:30:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:30:33,917 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:30:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 112 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:30:33,961 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:30:33,961 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:30:33,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:30:33,973 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:30:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:30:34,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:30:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-14 18:30:34,284 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:30:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-14 18:30:34,696 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 18:30:34,696 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-09-14 18:30:34,696 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:30:34,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:30:34,697 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:30:34,697 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:30:34,698 INFO L87 Difference]: Start difference. First operand 120947 states and 164930 transitions. Second operand 3 states. [2018-09-14 18:30:51,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:30:51,432 INFO L93 Difference]: Finished difference Result 291429 states and 412472 transitions. [2018-09-14 18:30:51,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:30:51,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2018-09-14 18:30:51,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:30:52,122 INFO L225 Difference]: With dead ends: 291429 [2018-09-14 18:30:52,122 INFO L226 Difference]: Without dead ends: 170488 [2018-09-14 18:30:52,351 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 467 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:30:52,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170488 states. [2018-09-14 18:30:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170488 to 170320. [2018-09-14 18:30:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170320 states. [2018-09-14 18:30:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170320 states to 170320 states and 227313 transitions. [2018-09-14 18:30:56,684 INFO L78 Accepts]: Start accepts. Automaton has 170320 states and 227313 transitions. Word has length 234 [2018-09-14 18:30:56,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:30:56,685 INFO L480 AbstractCegarLoop]: Abstraction has 170320 states and 227313 transitions. [2018-09-14 18:30:56,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:30:56,685 INFO L276 IsEmpty]: Start isEmpty. Operand 170320 states and 227313 transitions. [2018-09-14 18:30:56,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-09-14 18:30:56,697 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:30:56,697 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:30:56,698 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:30:56,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1993061356, now seen corresponding path program 1 times [2018-09-14 18:30:56,698 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:30:56,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:30:56,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:30:56,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:30:56,699 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:30:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:30:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 112 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:30:56,940 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:30:56,940 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:30:56,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:30:56,947 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:30:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:30:57,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:30:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-14 18:30:57,107 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:30:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-14 18:30:57,229 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 18:30:57,229 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-14 18:30:57,229 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:30:57,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:30:57,230 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:30:57,230 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-14 18:30:57,230 INFO L87 Difference]: Start difference. First operand 170320 states and 227313 transitions. Second operand 3 states. Received shutdown request... [2018-09-14 18:31:02,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:31:02,948 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:31:02,953 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:31:02,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:31:02 BoogieIcfgContainer [2018-09-14 18:31:02,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:31:02,954 INFO L168 Benchmark]: Toolchain (without parser) took 236739.10 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -679.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-14 18:31:02,956 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-09-14 18:31:02,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3774.20 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 209.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -119.9 MB). Peak memory consumption was 485.8 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:02,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 1424.30 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 823.7 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -858.6 MB). Peak memory consumption was 147.2 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:02,958 INFO L168 Benchmark]: Boogie Preprocessor took 647.98 ms. Allocated memory is still 2.6 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:02,959 INFO L168 Benchmark]: RCFGBuilder took 19248.05 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 299.9 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 64.7 MB). Peak memory consumption was 952.1 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:02,960 INFO L168 Benchmark]: TraceAbstraction took 211635.75 ms. Allocated memory was 2.9 GB in the beginning and 3.6 GB in the end (delta: 712.5 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 136.0 MB). Peak memory consumption was 848.5 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:02,965 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3774.20 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 209.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -119.9 MB). Peak memory consumption was 485.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1424.30 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 823.7 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -858.6 MB). Peak memory consumption was 147.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 647.98 ms. Allocated memory is still 2.6 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19248.05 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 299.9 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 64.7 MB). Peak memory consumption was 952.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211635.75 ms. Allocated memory was 2.9 GB in the beginning and 3.6 GB in the end (delta: 712.5 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 136.0 MB). Peak memory consumption was 848.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 184]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 184). Cancelled while BasicCegarLoop was constructing difference of abstraction (170320states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement), while ReachableStatesComputation was computing reachable states (69836 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 211.5s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 196.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5631 SDtfs, 37507 SDslu, 4645 SDs, 0 SdLazy, 72237 SolverSat, 16641 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 170.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1070 GetRequests, 1020 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170320occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 10.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 1570 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1864 NumberOfCodeBlocks, 1864 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2355 ConstructedInterpolants, 0 QuantifiedInterpolants, 1211824 SizeOfPredicates, 1 NumberOfNonLiveVariables, 927 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1266/1408 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label57_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-31-02-981.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label57_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-31-02-981.csv Completed graceful shutdown