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_label24_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:32:00,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:32:00,018 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:32:00,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:32:00,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:32:00,033 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:32:00,034 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:32:00,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:32:00,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:32:00,038 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:32:00,039 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:32:00,039 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:32:00,040 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:32:00,041 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:32:00,042 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:32:00,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:32:00,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:32:00,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:32:00,056 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:32:00,057 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:32:00,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:32:00,059 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:32:00,062 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 12:32:00,062 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 12:32:00,062 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 12:32:00,063 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 12:32:00,064 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 12:32:00,064 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 12:32:00,065 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 12:32:00,066 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 12:32:00,066 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 12:32:00,067 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 12:32:00,067 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:32:00,068 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:32:00,069 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:32:00,069 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:32:00,070 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 [2018-09-18 12:32:00,085 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:32:00,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:32:00,087 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:32:00,087 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:32:00,087 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:32:00,087 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:32:00,087 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:32:00,088 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:32:00,088 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:32:00,088 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:32:00,088 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:32:00,088 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:32:00,089 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:32:00,089 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:32:00,090 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:32:00,090 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:32:00,090 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:32:00,090 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:32:00,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:32:00,091 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:32:00,091 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:32:00,091 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:32:00,091 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:32:00,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:32:00,092 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:32:00,092 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:32:00,092 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:32:00,092 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:32:00,093 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:32:00,093 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:32:00,093 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:32:00,093 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:32:00,093 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:32:00,093 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:32:00,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:32:00,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:32:00,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:32:00,169 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:32:00,169 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:32:00,170 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label24_true-unreach-call.c [2018-09-18 12:32:00,513 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54c5f3d5/60c26581640d4c9e81d617dfedd18cb4/FLAGac2727e95 [2018-09-18 12:32:01,209 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:32:01,210 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label24_true-unreach-call.c [2018-09-18 12:32:01,258 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54c5f3d5/60c26581640d4c9e81d617dfedd18cb4/FLAGac2727e95 [2018-09-18 12:32:01,274 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54c5f3d5/60c26581640d4c9e81d617dfedd18cb4 [2018-09-18 12:32:01,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:32:01,291 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:32:01,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:32:01,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:32:01,303 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:32:01,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:32:01" (1/1) ... [2018-09-18 12:32:01,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560f8b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:01, skipping insertion in model container [2018-09-18 12:32:01,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:32:01" (1/1) ... [2018-09-18 12:32:01,323 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:32:03,298 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:32:03,317 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:32:04,402 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:32:05,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05 WrapperNode [2018-09-18 12:32:05,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:32:05,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:32:05,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:32:05,011 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:32:05,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:05,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:05,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:32:05,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:32:05,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:32:05,342 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:32:06,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:06,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:06,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:06,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:06,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:06,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:06,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (1/1) ... [2018-09-18 12:32:07,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:32:07,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:32:07,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:32:07,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:32:07,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (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 [2018-09-18 12:32:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:32:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:32:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:32:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:32:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:32:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:32:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:32:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:32:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:32:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:32:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:32:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:32:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:32:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:32:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:32:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:32:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:32:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:32:25,568 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:32:25,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:32:25 BoogieIcfgContainer [2018-09-18 12:32:25,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:32:25,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:32:25,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:32:25,574 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:32:25,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:32:01" (1/3) ... [2018-09-18 12:32:25,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406f8165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:32:25, skipping insertion in model container [2018-09-18 12:32:25,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:05" (2/3) ... [2018-09-18 12:32:25,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406f8165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:32:25, skipping insertion in model container [2018-09-18 12:32:25,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:32:25" (3/3) ... [2018-09-18 12:32:25,578 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label24_true-unreach-call.c [2018-09-18 12:32:25,588 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:32:25,597 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:32:25,669 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:32:25,670 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:32:25,670 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:32:25,670 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:32:25,670 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:32:25,670 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:32:25,670 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:32:25,671 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:32:25,671 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:32:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:32:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-18 12:32:25,741 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:32:25,742 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] [2018-09-18 12:32:25,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:32:25,749 INFO L82 PathProgramCache]: Analyzing trace with hash -667594212, now seen corresponding path program 1 times [2018-09-18 12:32:25,752 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:32:25,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:32:25,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:32:25,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:32:25,804 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:32:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:32:26,196 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:32:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:32:26,328 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:32:26,329 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:32:26,329 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:32:26,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:32:26,362 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:32:26,363 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:32:26,366 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-18 12:32:42,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:32:42,988 INFO L93 Difference]: Finished difference Result 5049 states and 9513 transitions. [2018-09-18 12:32:42,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:32:42,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-09-18 12:32:42,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:32:43,040 INFO L225 Difference]: With dead ends: 5049 [2018-09-18 12:32:43,041 INFO L226 Difference]: Without dead ends: 3269 [2018-09-18 12:32:43,054 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:32:43,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2018-09-18 12:32:43,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3218. [2018-09-18 12:32:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3218 states. [2018-09-18 12:32:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 5997 transitions. [2018-09-18 12:32:43,305 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 5997 transitions. Word has length 52 [2018-09-18 12:32:43,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:32:43,306 INFO L480 AbstractCegarLoop]: Abstraction has 3218 states and 5997 transitions. [2018-09-18 12:32:43,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:32:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 5997 transitions. [2018-09-18 12:32:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-18 12:32:43,320 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:32:43,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:32:43,321 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:32:43,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1067454159, now seen corresponding path program 1 times [2018-09-18 12:32:43,322 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:32:43,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:32:43,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:32:43,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:32:43,325 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:32:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:32:43,678 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:32:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:32:44,101 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:32:44,102 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:32:44,102 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:32:44,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:32:44,104 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:32:44,105 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:32:44,106 INFO L87 Difference]: Start difference. First operand 3218 states and 5997 transitions. Second operand 6 states. [2018-09-18 12:33:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:33:13,524 INFO L93 Difference]: Finished difference Result 12137 states and 23144 transitions. [2018-09-18 12:33:13,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:33:13,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-09-18 12:33:13,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:33:13,583 INFO L225 Difference]: With dead ends: 12137 [2018-09-18 12:33:13,583 INFO L226 Difference]: Without dead ends: 8925 [2018-09-18 12:33:13,600 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 [2018-09-18 12:33:13,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8925 states. [2018-09-18 12:33:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8925 to 8862. [2018-09-18 12:33:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8862 states. [2018-09-18 12:33:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 14406 transitions. [2018-09-18 12:33:13,834 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 14406 transitions. Word has length 124 [2018-09-18 12:33:13,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:33:13,835 INFO L480 AbstractCegarLoop]: Abstraction has 8862 states and 14406 transitions. [2018-09-18 12:33:13,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:33:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 14406 transitions. [2018-09-18 12:33:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-18 12:33:13,845 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:33:13,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:33:13,848 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:33:13,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1956611073, now seen corresponding path program 1 times [2018-09-18 12:33:13,849 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:33:13,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:33:13,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:33:13,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:33:13,851 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:33:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:33:14,168 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:33:14,168 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:33:14,169 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:33:14,169 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:33:14,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:33:14,170 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:33:14,170 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:33:14,170 INFO L87 Difference]: Start difference. First operand 8862 states and 14406 transitions. Second operand 5 states. [2018-09-18 12:33:48,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:33:48,592 INFO L93 Difference]: Finished difference Result 32229 states and 52873 transitions. [2018-09-18 12:33:48,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:33:48,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-09-18 12:33:48,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:33:48,711 INFO L225 Difference]: With dead ends: 32229 [2018-09-18 12:33:48,711 INFO L226 Difference]: Without dead ends: 23373 [2018-09-18 12:33:48,749 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:33:48,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23373 states. [2018-09-18 12:33:49,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23373 to 23191. [2018-09-18 12:33:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23191 states. [2018-09-18 12:33:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23191 states to 23191 states and 32185 transitions. [2018-09-18 12:33:49,290 INFO L78 Accepts]: Start accepts. Automaton has 23191 states and 32185 transitions. Word has length 126 [2018-09-18 12:33:49,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:33:49,291 INFO L480 AbstractCegarLoop]: Abstraction has 23191 states and 32185 transitions. [2018-09-18 12:33:49,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:33:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 23191 states and 32185 transitions. [2018-09-18 12:33:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-09-18 12:33:49,298 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:33:49,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:33:49,298 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:33:49,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1540904621, now seen corresponding path program 1 times [2018-09-18 12:33:49,299 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:33:49,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:33:49,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:33:49,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:33:49,300 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:33:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:33:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:33:49,662 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:33:49,663 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:33:49,663 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:33:49,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:33:49,664 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:33:49,664 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:33:49,664 INFO L87 Difference]: Start difference. First operand 23191 states and 32185 transitions. Second operand 5 states. [2018-09-18 12:34:20,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:34:20,455 INFO L93 Difference]: Finished difference Result 70920 states and 102565 transitions. [2018-09-18 12:34:20,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:34:20,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-09-18 12:34:20,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:34:20,616 INFO L225 Difference]: With dead ends: 70920 [2018-09-18 12:34:20,616 INFO L226 Difference]: Without dead ends: 47735 [2018-09-18 12:34:20,686 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 [2018-09-18 12:34:20,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47735 states. [2018-09-18 12:34:21,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47735 to 46972. [2018-09-18 12:34:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46972 states. [2018-09-18 12:34:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46972 states to 46972 states and 61459 transitions. [2018-09-18 12:34:21,682 INFO L78 Accepts]: Start accepts. Automaton has 46972 states and 61459 transitions. Word has length 157 [2018-09-18 12:34:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:34:21,683 INFO L480 AbstractCegarLoop]: Abstraction has 46972 states and 61459 transitions. [2018-09-18 12:34:21,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:34:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 46972 states and 61459 transitions. [2018-09-18 12:34:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-09-18 12:34:21,691 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:21,691 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, 2, 2, 2, 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] [2018-09-18 12:34:21,692 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:21,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1193629279, now seen corresponding path program 1 times [2018-09-18 12:34:21,692 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:21,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:21,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:21,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:21,693 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:21,968 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:34:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:34:22,357 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:34:22,357 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 [2018-09-18 12:34:22,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:22,371 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:34:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:22,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:34:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-09-18 12:34:22,999 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:34:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:34:23,899 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 12:34:23,899 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-18 12:34:23,900 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:23,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:34:23,901 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:34:23,901 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-18 12:34:23,901 INFO L87 Difference]: Start difference. First operand 46972 states and 61459 transitions. Second operand 5 states. [2018-09-18 12:34:50,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:34:50,324 INFO L93 Difference]: Finished difference Result 123012 states and 169582 transitions. [2018-09-18 12:34:50,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:34:50,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2018-09-18 12:34:50,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:34:50,683 INFO L225 Difference]: With dead ends: 123012 [2018-09-18 12:34:50,683 INFO L226 Difference]: Without dead ends: 76046 [2018-09-18 12:34:50,807 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 404 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-18 12:34:50,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76046 states. [2018-09-18 12:34:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76046 to 75174. [2018-09-18 12:34:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75174 states. [2018-09-18 12:34:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75174 states to 75174 states and 96269 transitions. [2018-09-18 12:34:52,330 INFO L78 Accepts]: Start accepts. Automaton has 75174 states and 96269 transitions. Word has length 205 [2018-09-18 12:34:52,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:34:52,331 INFO L480 AbstractCegarLoop]: Abstraction has 75174 states and 96269 transitions. [2018-09-18 12:34:52,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:34:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 75174 states and 96269 transitions. [2018-09-18 12:34:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-09-18 12:34:52,348 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:52,349 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 12:34:52,349 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:52,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1523725314, now seen corresponding path program 1 times [2018-09-18 12:34:52,349 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:52,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:52,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:52,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:52,351 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 90 proven. 74 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:34:52,598 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:34:52,598 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 [2018-09-18 12:34:52,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:52,607 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:34:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:52,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:34:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-09-18 12:34:52,828 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:34:52,996 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 90 proven. 74 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:34:53,017 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 12:34:53,018 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-09-18 12:34:53,018 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:53,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:34:53,019 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:34:53,019 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:34:53,020 INFO L87 Difference]: Start difference. First operand 75174 states and 96269 transitions. Second operand 5 states. [2018-09-18 12:35:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:35:16,474 INFO L93 Difference]: Finished difference Result 223595 states and 296544 transitions. [2018-09-18 12:35:16,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:35:16,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2018-09-18 12:35:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:35:17,033 INFO L225 Difference]: With dead ends: 223595 [2018-09-18 12:35:17,033 INFO L226 Difference]: Without dead ends: 148427 [2018-09-18 12:35:17,243 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-09-18 12:35:17,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148427 states. [2018-09-18 12:35:20,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148427 to 146932. [2018-09-18 12:35:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146932 states. [2018-09-18 12:35:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146932 states to 146932 states and 185487 transitions. [2018-09-18 12:35:20,467 INFO L78 Accepts]: Start accepts. Automaton has 146932 states and 185487 transitions. Word has length 213 [2018-09-18 12:35:20,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:35:20,467 INFO L480 AbstractCegarLoop]: Abstraction has 146932 states and 185487 transitions. [2018-09-18 12:35:20,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:35:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 146932 states and 185487 transitions. [2018-09-18 12:35:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2018-09-18 12:35:20,495 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:35:20,496 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 12:35:20,496 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:35:20,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1999031850, now seen corresponding path program 1 times [2018-09-18 12:35:20,496 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:35:20,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:20,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:20,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:20,499 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:35:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 303 proven. 73 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-18 12:35:21,197 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:35:21,197 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:35:21,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:21,206 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:35:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:21,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:35:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 400 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-09-18 12:35:21,569 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:35:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 303 proven. 73 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-18 12:35:22,140 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:35:22,140 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:35:22,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:22,157 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:35:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:22,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:35:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 400 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-09-18 12:35:23,924 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:35:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 303 proven. 73 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-18 12:35:24,457 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:35:24,458 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-18 12:35:24,458 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:35:24,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 12:35:24,460 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 12:35:24,460 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-18 12:35:24,461 INFO L87 Difference]: Start difference. First operand 146932 states and 185487 transitions. Second operand 9 states. Received shutdown request... [2018-09-18 12:35:54,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-18 12:35:54,870 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:35:54,876 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:35:54,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:35:54 BoogieIcfgContainer [2018-09-18 12:35:54,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:35:54,877 INFO L168 Benchmark]: Toolchain (without parser) took 233588.35 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 1.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-18 12:35:54,878 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-09-18 12:35:54,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3717.26 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 203.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -124.0 MB). Peak memory consumption was 489.5 MB. Max. memory is 7.1 GB. [2018-09-18 12:35:54,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 331.25 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2018-09-18 12:35:54,880 INFO L168 Benchmark]: Boogie Preprocessor took 1816.64 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 843.6 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -852.8 MB). Peak memory consumption was 126.5 MB. Max. memory is 7.1 GB. [2018-09-18 12:35:54,881 INFO L168 Benchmark]: RCFGBuilder took 18410.81 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 269.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 130.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-18 12:35:54,882 INFO L168 Benchmark]: TraceAbstraction took 209305.55 ms. Allocated memory was 2.8 GB in the beginning and 3.4 GB in the end (delta: 545.8 MB). Free memory was 2.2 GB in the beginning and 1.4 GB in the end (delta: 798.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-18 12:35:54,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3717.26 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 203.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -124.0 MB). Peak memory consumption was 489.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 331.25 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1816.64 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 843.6 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -852.8 MB). Peak memory consumption was 126.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18410.81 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 269.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 130.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 209305.55 ms. Allocated memory was 2.8 GB in the beginning and 3.4 GB in the end (delta: 545.8 MB). Free memory was 2.2 GB in the beginning and 1.4 GB in the end (delta: 798.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 151]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 151). Cancelled while BasicCegarLoop was constructing difference of abstraction (146932states) and FLOYD_HOARE automaton (currently 15 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (336678 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 209.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 193.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3882 SDtfs, 47415 SDslu, 5306 SDs, 0 SdLazy, 75274 SolverSat, 19229 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 165.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2968 GetRequests, 2897 SyntacticMatches, 12 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146932occurred in iteration=6, 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: 6.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 3426 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 2840 NumberOfCodeBlocks, 2840 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4273 ConstructedInterpolants, 0 QuantifiedInterpolants, 4082358 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2381 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2863/3368 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_label24_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-35-54-903.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label24_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-35-54-903.csv Completed graceful shutdown