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_label09_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:29:36,902 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:29:36,904 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:29:36,921 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:29:36,921 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:29:36,922 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:29:36,923 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:29:36,925 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:29:36,927 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:29:36,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:29:36,928 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:29:36,929 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:29:36,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:29:36,931 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:29:36,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:29:36,936 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:29:36,937 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:29:36,942 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:29:36,944 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:29:36,949 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:29:36,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:29:36,951 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:29:36,956 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 12:29:36,956 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 12:29:36,956 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 12:29:36,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 12:29:36,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 12:29:36,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 12:29:36,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 12:29:36,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 12:29:36,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 12:29:36,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 12:29:36,966 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:29:36,966 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:29:36,968 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:29:36,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:29:36,969 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 12:29:36,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:29:36,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:29:36,999 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:29:36,999 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:29:36,999 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:29:36,999 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:29:37,000 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:29:37,000 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:29:37,000 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:29:37,000 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:29:37,000 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:29:37,001 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:29:37,004 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:29:37,004 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:29:37,004 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:29:37,004 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:29:37,005 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:29:37,005 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:29:37,005 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:29:37,005 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:29:37,005 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:29:37,006 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:29:37,006 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:29:37,006 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:29:37,006 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:29:37,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:29:37,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:29:37,008 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:29:37,008 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:29:37,008 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:29:37,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:29:37,009 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:29:37,009 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:29:37,009 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:29:37,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:29:37,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:29:37,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:29:37,089 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:29:37,089 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:29:37,090 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label09_true-unreach-call.c [2018-09-18 12:29:37,481 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9baea5fdf/f626fe4e97364b4a9f4664845915963d/FLAG61fa4ae18 [2018-09-18 12:29:38,098 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:29:38,100 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label09_true-unreach-call.c [2018-09-18 12:29:38,155 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9baea5fdf/f626fe4e97364b4a9f4664845915963d/FLAG61fa4ae18 [2018-09-18 12:29:38,171 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9baea5fdf/f626fe4e97364b4a9f4664845915963d [2018-09-18 12:29:38,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:29:38,185 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:29:38,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:29:38,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:29:38,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:29:38,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:29:38" (1/1) ... [2018-09-18 12:29:38,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ded99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:38, skipping insertion in model container [2018-09-18 12:29:38,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:29:38" (1/1) ... [2018-09-18 12:29:38,210 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:29:40,161 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:29:40,183 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:29:41,381 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:29:41,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41 WrapperNode [2018-09-18 12:29:41,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:29:41,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:29:41,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:29:41,990 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:29:42,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:42,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:42,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:29:42,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:29:42,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:29:42,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:29:43,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:43,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:43,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:43,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:43,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:43,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:43,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (1/1) ... [2018-09-18 12:29:44,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:29:44,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:29:44,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:29:44,014 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:29:44,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (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 12:29:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:29:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:29:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:29:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:29:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:29:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:29:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:29:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:29:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:29:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:29:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:29:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:29:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:29:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:29:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:29:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:29:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:29:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:30:01,088 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:30:01,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:30:01 BoogieIcfgContainer [2018-09-18 12:30:01,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:30:01,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:30:01,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:30:01,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:30:01,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:29:38" (1/3) ... [2018-09-18 12:30:01,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0bf9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:30:01, skipping insertion in model container [2018-09-18 12:30:01,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:29:41" (2/3) ... [2018-09-18 12:30:01,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0bf9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:30:01, skipping insertion in model container [2018-09-18 12:30:01,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:30:01" (3/3) ... [2018-09-18 12:30:01,097 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label09_true-unreach-call.c [2018-09-18 12:30:01,107 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:30:01,115 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:30:01,192 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:30:01,193 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:30:01,193 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:30:01,193 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:30:01,193 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:30:01,194 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:30:01,195 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:30:01,196 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:30:01,196 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:30:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:30:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-18 12:30:01,260 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:30:01,261 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] [2018-09-18 12:30:01,262 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:30:01,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1281093548, now seen corresponding path program 1 times [2018-09-18 12:30:01,268 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:30:01,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:01,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:30:01,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:01,319 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:30:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:30:01,768 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 12:30:01,770 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:30:01,771 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 12:30:01,771 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:30:01,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 12:30:01,792 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 12:30:01,793 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:30:01,796 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-09-18 12:30:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:30:29,086 INFO L93 Difference]: Finished difference Result 6510 states and 12381 transitions. [2018-09-18 12:30:29,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 12:30:29,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2018-09-18 12:30:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:30:29,152 INFO L225 Difference]: With dead ends: 6510 [2018-09-18 12:30:29,152 INFO L226 Difference]: Without dead ends: 4726 [2018-09-18 12:30:29,172 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:30:29,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4726 states. [2018-09-18 12:30:29,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4726 to 4687. [2018-09-18 12:30:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4687 states. [2018-09-18 12:30:29,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 7413 transitions. [2018-09-18 12:30:29,459 INFO L78 Accepts]: Start accepts. Automaton has 4687 states and 7413 transitions. Word has length 56 [2018-09-18 12:30:29,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:30:29,460 INFO L480 AbstractCegarLoop]: Abstraction has 4687 states and 7413 transitions. [2018-09-18 12:30:29,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 12:30:29,460 INFO L276 IsEmpty]: Start isEmpty. Operand 4687 states and 7413 transitions. [2018-09-18 12:30:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-18 12:30:29,474 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:30:29,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:29,475 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:30:29,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1102173185, now seen corresponding path program 1 times [2018-09-18 12:30:29,476 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:30:29,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:29,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:30:29,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:29,478 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:30:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:30:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:30:30,128 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:30:30,128 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:30:30,128 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:30:30,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:30:30,130 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:30:30,131 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:30:30,131 INFO L87 Difference]: Start difference. First operand 4687 states and 7413 transitions. Second operand 6 states. [2018-09-18 12:30:59,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:30:59,343 INFO L93 Difference]: Finished difference Result 17857 states and 28865 transitions. [2018-09-18 12:30:59,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:30:59,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-09-18 12:30:59,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:30:59,411 INFO L225 Difference]: With dead ends: 17857 [2018-09-18 12:30:59,411 INFO L226 Difference]: Without dead ends: 13176 [2018-09-18 12:30:59,431 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 [2018-09-18 12:30:59,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13176 states. [2018-09-18 12:30:59,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13176 to 13105. [2018-09-18 12:30:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13105 states. [2018-09-18 12:30:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13105 states to 13105 states and 18702 transitions. [2018-09-18 12:30:59,782 INFO L78 Accepts]: Start accepts. Automaton has 13105 states and 18702 transitions. Word has length 128 [2018-09-18 12:30:59,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:30:59,783 INFO L480 AbstractCegarLoop]: Abstraction has 13105 states and 18702 transitions. [2018-09-18 12:30:59,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:30:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 13105 states and 18702 transitions. [2018-09-18 12:30:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-18 12:30:59,790 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:30:59,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:59,791 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:30:59,791 INFO L82 PathProgramCache]: Analyzing trace with hash -2097585985, now seen corresponding path program 1 times [2018-09-18 12:30:59,792 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:30:59,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:59,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:30:59,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:30:59,793 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:30:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:31:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:00,132 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:31:00,133 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:31:00,133 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:31:00,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:31:00,134 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:31:00,134 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:31:00,134 INFO L87 Difference]: Start difference. First operand 13105 states and 18702 transitions. Second operand 6 states. [2018-09-18 12:31:27,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:31:27,017 INFO L93 Difference]: Finished difference Result 39856 states and 58239 transitions. [2018-09-18 12:31:27,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-18 12:31:27,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-09-18 12:31:27,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:31:27,126 INFO L225 Difference]: With dead ends: 39856 [2018-09-18 12:31:27,127 INFO L226 Difference]: Without dead ends: 26757 [2018-09-18 12:31:27,158 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:31:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26757 states. [2018-09-18 12:31:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26757 to 26516. [2018-09-18 12:31:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26516 states. [2018-09-18 12:31:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26516 states to 26516 states and 37465 transitions. [2018-09-18 12:31:27,726 INFO L78 Accepts]: Start accepts. Automaton has 26516 states and 37465 transitions. Word has length 138 [2018-09-18 12:31:27,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:31:27,727 INFO L480 AbstractCegarLoop]: Abstraction has 26516 states and 37465 transitions. [2018-09-18 12:31:27,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:31:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 26516 states and 37465 transitions. [2018-09-18 12:31:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-09-18 12:31:27,731 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:31:27,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:27,731 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:31:27,731 INFO L82 PathProgramCache]: Analyzing trace with hash -2145569623, now seen corresponding path program 1 times [2018-09-18 12:31:27,732 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:31:27,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:31:27,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:31:27,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:31:27,734 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:31:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:31:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:31:28,073 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:31:28,073 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:31:28,073 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:31:28,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:31:28,074 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:31:28,074 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:31:28,075 INFO L87 Difference]: Start difference. First operand 26516 states and 37465 transitions. Second operand 5 states. [2018-09-18 12:32:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:32:01,023 INFO L93 Difference]: Finished difference Result 80714 states and 117209 transitions. [2018-09-18 12:32:01,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:32:01,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-09-18 12:32:01,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:32:01,210 INFO L225 Difference]: With dead ends: 80714 [2018-09-18 12:32:01,210 INFO L226 Difference]: Without dead ends: 54204 [2018-09-18 12:32:01,266 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 12:32:01,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54204 states. [2018-09-18 12:32:02,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54204 to 53461. [2018-09-18 12:32:02,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53461 states. [2018-09-18 12:32:02,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53461 states to 53461 states and 69686 transitions. [2018-09-18 12:32:02,283 INFO L78 Accepts]: Start accepts. Automaton has 53461 states and 69686 transitions. Word has length 158 [2018-09-18 12:32:02,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:32:02,284 INFO L480 AbstractCegarLoop]: Abstraction has 53461 states and 69686 transitions. [2018-09-18 12:32:02,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:32:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 53461 states and 69686 transitions. [2018-09-18 12:32:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-09-18 12:32:02,290 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:32:02,290 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:02,291 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:32:02,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2035236554, now seen corresponding path program 1 times [2018-09-18 12:32:02,291 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:32:02,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:32:02,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:32:02,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:32:02,294 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:32:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:32:02,635 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:32:03,046 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:32:03,047 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:32:03,047 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:32:03,047 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:32:03,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:32:03,048 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:32:03,048 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:32:03,048 INFO L87 Difference]: Start difference. First operand 53461 states and 69686 transitions. Second operand 6 states. [2018-09-18 12:32:22,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:32:22,695 INFO L93 Difference]: Finished difference Result 125513 states and 169431 transitions. [2018-09-18 12:32:22,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:32:22,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-09-18 12:32:22,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:32:22,904 INFO L225 Difference]: With dead ends: 125513 [2018-09-18 12:32:22,904 INFO L226 Difference]: Without dead ends: 72058 [2018-09-18 12:32:22,977 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:32:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72058 states. [2018-09-18 12:32:24,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72058 to 71650. [2018-09-18 12:32:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71650 states. [2018-09-18 12:32:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71650 states to 71650 states and 93005 transitions. [2018-09-18 12:32:24,216 INFO L78 Accepts]: Start accepts. Automaton has 71650 states and 93005 transitions. Word has length 221 [2018-09-18 12:32:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:32:24,217 INFO L480 AbstractCegarLoop]: Abstraction has 71650 states and 93005 transitions. [2018-09-18 12:32:24,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:32:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 71650 states and 93005 transitions. [2018-09-18 12:32:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 979 [2018-09-18 12:32:24,259 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:32:24,261 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:32:24,261 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:32:24,262 INFO L82 PathProgramCache]: Analyzing trace with hash -2023031542, now seen corresponding path program 1 times [2018-09-18 12:32:24,262 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:32:24,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:32:24,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:32:24,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:32:24,264 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:32:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:32:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 362 proven. 81 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-09-18 12:32:26,358 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:32:26,359 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 12:32:26,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:32:26,377 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:32:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:32:26,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:32:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 471 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-18 12:32:27,630 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:32:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 362 proven. 81 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-09-18 12:32:28,981 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:32:28,981 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 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:32:29,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:32:29,000 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:32:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:32:29,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:32:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 471 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-18 12:32:30,726 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:32:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 362 proven. 81 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-09-18 12:32:32,205 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:32:32,206 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 5, 5] total 17 [2018-09-18 12:32:32,206 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:32:32,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-18 12:32:32,209 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-18 12:32:32,209 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2018-09-18 12:32:32,210 INFO L87 Difference]: Start difference. First operand 71650 states and 93005 transitions. Second operand 10 states. [2018-09-18 12:33:25,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:33:25,179 INFO L93 Difference]: Finished difference Result 302729 states and 494705 transitions. [2018-09-18 12:33:25,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-18 12:33:25,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 978 [2018-09-18 12:33:25,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:33:27,421 INFO L225 Difference]: With dead ends: 302729 [2018-09-18 12:33:27,422 INFO L226 Difference]: Without dead ends: 231085 [2018-09-18 12:33:27,750 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3937 GetRequests, 3910 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-09-18 12:33:27,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231085 states. Received shutdown request... [2018-09-18 12:33:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231085 to 228663. [2018-09-18 12:33:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228663 states. [2018-09-18 12:33:33,653 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:33:33,659 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:33:33,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:33:33 BoogieIcfgContainer [2018-09-18 12:33:33,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:33:33,660 INFO L168 Benchmark]: Toolchain (without parser) took 235477.53 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -650.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-09-18 12:33:33,662 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-18 12:33:33,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3802.78 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 186.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -111.2 MB). Peak memory consumption was 489.1 MB. Max. memory is 7.1 GB. [2018-09-18 12:33:33,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 308.15 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 7.1 GB. [2018-09-18 12:33:33,664 INFO L168 Benchmark]: Boogie Preprocessor took 1715.06 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 859.8 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -879.8 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. [2018-09-18 12:33:33,665 INFO L168 Benchmark]: RCFGBuilder took 17076.38 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 243.3 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 147.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-18 12:33:33,666 INFO L168 Benchmark]: TraceAbstraction took 212568.91 ms. Allocated memory was 2.8 GB in the beginning and 3.6 GB in the end (delta: 794.8 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 131.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-18 12:33:33,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 3802.78 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 186.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -111.2 MB). Peak memory consumption was 489.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 308.15 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1715.06 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 859.8 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -879.8 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17076.38 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 243.3 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 147.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 212568.91 ms. Allocated memory was 2.8 GB in the beginning and 3.6 GB in the end (delta: 794.8 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 131.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 163]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 163). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 212.4s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 192.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4504 SDtfs, 39468 SDslu, 6866 SDs, 0 SdLazy, 83458 SolverSat, 18972 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 163.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3982 GetRequests, 3924 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71650occurred in iteration=5, 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: 9.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1502 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 3635 NumberOfCodeBlocks, 3635 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 5581 ConstructedInterpolants, 0 QuantifiedInterpolants, 8249762 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2574 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 2564/2811 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_label09_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-33-33-693.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label09_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-33-33-693.csv Completed graceful shutdown